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KEW6305

5.2

5.2 Basic wiring configurations

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Wiring method for single-phase 2-wire (1ch) “1P2W (1ch)”

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Wiring method for single-phase 2-wire (2ch) “1P2W (2ch)”

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Wiring method for single-phase 2-wire (3ch) “1P2W (3ch)”

Load

Source

Load

１

Load

２

Load 3

Source

Load

１

Load

２

Source

www.

GlobalTestSupply

.com

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Содержание 6305-03

Страница 1: ...INSTRUCTION MANUAL DIGITAL POWER METER KEW 6305 www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Страница 2: ...MODEL7148 1 pce 5 Quick manual 1 pce 6 CD ROM 1 pce 7 Battery Alkaline size AA battery LR6 6pcs 8 SD Card 1 pce 9 Carrying case MODEL9125 1 pce Optional parts 10 Clamp sensor Depending on model purchased 11 Instruction manual for Clamp sensor 1 pce 12 SD Card 2GB 13 Carrying case for Main unit MODEL9132 14 Power supply adapter MODEL8312 1 Main unit 2 Voltage test lead 3 Power cord 4 USB cord 5 Qui...

Страница 3: ...A type Φ68 110mm M 8124 KEW8130 3000A type Φ150 170mm KEW8129 8133 13 Carrying case for 14 Power supply adapter main unit with magnet Storage Store the items as shown below after use In case any of the items listed above are found to be damaged or missing or if the printing is unclear please contact your local KYORITSU distributor www GlobalTestSupply com Find Quality Products Online at sales Glob...

Страница 4: ...he manual Read the enclosed Quick manual after reading this instruction manual As to the Clamp sensor use refer to the instruction manual supplied with the sensor It is essential that the above instructions are adhered to Failure to follow the above instructions may cause injury instrument damage and or damage to equipment under test Kyoritsu is by no means liable for any damage resulting from the...

Страница 5: ...r momentary energy than one designed for CAT II O Circuits which are not directly connected to the mains power supply CAT II Electrical circuits of equipment connected to an AC electrical outlet by a power cord CAT III Primary electrical circuits of the equipment connected directly to the distribution panel and feeders from the distribution panel to outlets CAT IV The circuit from the service drop...

Страница 6: ...pplied with this instrument Confirm that the measured voltage rating of the test lead is not exceeded Do not connect a Voltage test lead unless required for measuring the parameters desired Connect Voltage test leads to the instrument first and only then connect them to the circuit under test Never disconnect Voltage test leads while the instrument is in use Connect to the downstream side of a cir...

Страница 7: ...sure that the Power cord Voltage test leads and Clamp sensor are removed from the instrument and that the instrument is switched off when opening the Battery cover for battery replacement Never mix new and old batteries Install batteries in correct polarity as marked inside the Battery compartment area Power cord Do not use the damaged cord Don t put heavy things on step on or pinch the cord moreo...

Страница 8: ...d Clamp sensors from the instrument Remove the batteries if the instrument is to be stored and will not be in use for a long period Remove the SD card when carrying the instrument Never give strong vibrations or drop shocks when carrying the instrument Do not expose the instrument to direct sunlight high temperatures humidity or dew Use a damp cloth with neutral detergent or water for cleaning the...

Страница 9: ...e settings for KEW6305 or for measurements See Setting Section4 forfurtherdetails WIRING CHECK Check the connections and display the results See Wiringcheck Section10 forfurther details www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Страница 10: ...ive energies and record the average max min values of measured instantaneous values See IntegrationvalueMeasurement Section7 forfurther details _DEMAND_ Demand measurement Display record demand values based on the preset target values See DemandMeasurement Section8 forfurtherdetails DATA CHECK Recall and show the saved data on the LCD See Saveddata Section10 forfurtherdetails www GlobalTestSupply ...

Страница 11: ... demand values Saving data KEW6305 is endowed with a logging function with a preset recording interval Data can be saved by manual operation or at pre set time date Dual power supply system KEW6305 operates either with an AC power supply or with batteries Both dry cell batteries alkaline and rechargeable batteries Ni MH can be used In the event of an interruption while operating with an AC power s...

Страница 12: ...surement Save Settings See Section 4 Setting Wiring See Section 5 Wiring Measuring instantaneous values Section 6 Instantaneous value Measurement Measuring integration values Section 7 Integration value Measurement Measuring demand values Section 8 Demand Measurement www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Страница 13: ...ays If a year later on February 1st the recorded maximum demand is 300kW then the new applicable rates will be changed to 300kW year rate i e 2 for the subsequent 365 days However if during this period the max demand goes up again and say 600kW is recorded on 15th March the applicable rates change again to the 600kW year rate i e 5 for the subsequent 365 days Benefits of maximum demand control It ...

Страница 14: ...ts up Recording measuring Green blinks Stand by mode lights up when preset rec start time comes Red blinks Charging batteries 2 Instrument Layout 2 1 Front view Display LCD Keys www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Страница 15: ...r change values or digits ENTER Key Confirm entries ESC Key Cancel setting changes Clear integration demand values DATA HOLD Key Data hold Key lock A long press 2 sec or longer locks Keys and another long press 2 sec or longer unlocks the locked Keys SAVE Key Save the measured instantaneous values LED status indicator Solid green light Recording measuring Blinking green light Stand by mode Solid r...

Страница 16: ...W6305 2 2 LCD indications All symbols to be displayed on the LCD Unit Phase number Wiring system Current range Voltage range www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Страница 17: ... displayed on the LCD Blinks while integration values are being displayed on the LCD Blinks while demand values are being displayed on the LCD When the capacity of SD card or internal memory is exceeded Lights up when selecting DATACHECK Range Lights up while data can be saved in the SD card and blinks while saving data Lights up while a USB cord is connected to the terminal and blinks during data...

Страница 18: ... 2 Single phase 2 wire 3ch 1P2W 3ch VN 1 A1 2 3 Single phase 3 wire 1P3W VN 1 2 A1 2 Three phase 3 wire 3P3W VN 1 2 A1 2 Three phase 3 wire 3A 3P3W3A V1 2 3 A1 2 3 Three phase 4 wire 3P4W VN 1 2 3 A1 2 3 Voltage Input Terminal VN V1 V2 V3 Power Connector Current Input Terminal A1 A2 A3 Terminal Cover www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Страница 19: ...over USB Port Cover SD Card Slot USB Port 2 4 Side face Descriptions When the Connector cover is closed When the Connector cover is opened www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Страница 20: ...Power cord Voltage test leads and Clamp sensor are removed from the instrument and that the instrument is switched off when opening the Battery cover for battery replacement CAUTION Never mix new and old batteries Install batteries in correct polarity as marked inside the Battery compartment area Batteries are not in the instrument at the time of purchase Please insert the supplied batteries befor...

Страница 21: ...ending on the states of measurement instrument operates as follows automatically while saving instantaneous value data Files are opened Close the open files Data will be saved while measuring integration demand values Force quit measurements Data will be saved Inserting dry cell batteries 1 Loosen two Battery Cover fixing screws and remove the Cover 2 Take out all the batteries 3 Insert batteries ...

Страница 22: ...onditions are noted such as a broken Cover and exposed metal parts When the instrument is not in use disconnect the Power cord from the outlet When unplugging the cord from the mains socket outlet do so by removing the plug first and not by pulling the cord Power cord connection Follow the procedure below and connect the Power cord 1 Confirm that the instrument is powered off 2 Connect the Power c...

Страница 23: ...arts Stop using the test lead if the outer jacket is damaged and the inner metal or color jacket is exposed Voltage test leads and Clamp sensor connection Follow the procedure below and connect the Voltage test leads and Clamp sensors 1 Confirm that the instrument is powered off 2 Connect the appropriate Voltage test leads to the Voltage input terminal on the instrument 3 Connect the appropriate C...

Страница 24: ... Then the Start up screen will be displayed 1 All the segments will be displayed for about 1 sec and then MODEL VERSION info will be displayed for about 1 sec 2 A screen corresponded to the selected range will be displayed All segments to be displayed Model name Version info www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Страница 25: ...ut 2 sec prior to the start up screen In case that following screen appears stop using the instrument immediately and refer to Section12 When defect or breakdown is suspected in this manual CAUTION Measurement can be done if the error screen appeared when powering on the instrument However the accuracy of the measured value may out of the specification Error No www GlobalTestSupply com Find Qualit...

Страница 26: ... 500A 10 50 100 250 500A AUTO 1000A 20 100 200 500 1000A AUTO 04 Current range 3000A 300 1000 3000A 05 VT ratio 0 01 9999 99 can be set by 0 01 06 CT ratio 0 01 9999 99 can be set by 0 01 07 Date and time Year Month Day Hour Minute Second 08 Buzzer ON OFF 09 Recording interval 1 2 5 10 15 20 30 sec 1 2 5 10 15 20 30 min 1 hour 10 Specific time period rec or endless rec ON Specifying start stop tim...

Страница 27: ...0 min 18 Available space in SD card Show the available space in the installed SD card in percentage 19 SD card Format ON Format OFF Not format 20 Available space in Internal memory Show the available space in the internal memory in percentage 21 Internal memory Format ON Format OFF Not format 22 System reset ON Reset OFF Not reset 23 ID number Designate ID no 00 001 99 999 24 Setting read Save no ...

Страница 28: ...e Default value or after system reset 3P3W Two wattmeter method should be used for measuring 3P3W that requires using two Clamp sensors For measuring recording the voltage and current on each phase select 3P3W3A and use three Clamp sensors 1 Use the Cursor key on the selection screen and select Setting 01 2 Press the ENTER key to get the instrument into setting change mode 3 Present setting or def...

Страница 29: ... and 600V range for 400 440V Setting item 150V 300V 600V Default value or after system reset 300V 1 Use the Cursor key on the selection screen and select Setting 02 2 Press the ENTER key to get the instrument into setting change mode 3 Present setting or default value 300V blinks Select the appropriate voltage range with the Cursor key and then press the ENTER key after making necessary change www...

Страница 30: ...000A Default value or after system reset 500A 1 Use the Cursor key on the selection screen and select Setting 03 2 Press the ENTER key to get the instrument into setting change mode 3 Present setting or default value 500A blinks Select the appropriate clamp sensor with the Cursor key and then press the ENTER key after making necessary change NOTE Accurate results may not be obtained if the Clamp s...

Страница 31: ...tion screen and select Setting 04 2 Press the ENTER key to get the instrument into setting change mode 3 Present setting or default value AUTO blinks Select the appropriate current range with the Cursor key and then press the ENTER key after making necessary change NOTE When a type of clamp sensor Setting 04 is changed current range may be changed to the corresponding range automatically Accurate ...

Страница 32: ...g 05 2 Press the ENTER key to get the instrument into setting change mode 3 The rightmost digit of previous setting or default value 1 00 blinks Change number with the Cursor key and then press the ENTER key after making necessary change Function of Cursor keys To select the digit subject to change To change the value of selected digit When VT ratio is set to other than 1 mark appears on the LCD N...

Страница 33: ...g 06 2 Press the ENTER key to get the instrument into setting change mode 3 The rightmost digit of previous setting or default value 1 00 blinks Change number with the Cursor key and then press the ENTER key after making necessary change Function of Cursor keys To select the digit subject to change To change the value of selected digit When CT ratio is set to other than 1 mark appears on the LCD N...

Страница 34: ...o be changed with Left Right Cursor key and change it with Up Down Cursor Key 4 Then press the ENTER key after making necessary change Time Setting range second 00 59 minute 00 59 hour 00 23 day 01 31 month 01 12 year 00 50 For the year please set last 2 digits e g 2004 04 Function of Cursor keys To select a time parameter subject to change To change the value of selected time parameter Year Month...

Страница 35: ...ent setting or default value on blinks Press the Cursor key to select on sound or oFF not sound then press the ENTER key after making necessary change 150V 300V 600V 1P2W 1P3W 3P3W 3P4W 5A 10A 20A 50A 100A 200A 500A 1000A 150V 300V 600V 1P2W 1P3W 3P3W 3P4W 5A 10A 20A 50A 100A 200A 500A 1000A any of www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Страница 36: ...creen and select Setting 09 2 Press the ENTER key to get the instrument into setting change mode 3 Previous setting or default value 30 min blinks Press the Cursor key to select any desired time and then press the ENTER key after making necessary change NOTE Selectable interval is limited by the setting done at Setting 16 Demand measurement cycle An interval greater than the value set at Setting 1...

Страница 37: ...F Record the data continuously 4 Press the ENTER key after making necessary change NOTE Setting screens for Setting 11 to 14 may not be displayed according to the setting done at Setting 10 When Setting 10 has been set to ON setting screens for Setting 11 and 12 will be displayed but for Setting 13 and 14 will not be displayed When Setting 10 has been set to OFF setting screens for Setting 13 and ...

Страница 38: ...ting change mode 3 Then second for recording stop time will blink 4 Select the time parameter to be changed and change it with Cursor Key 5 Then press the ENTER key after making necessary change Start time is displayed on the upper line and stop time is on the lower line NOTE This setting item will not be displayed if Setting 10 has been set to OFF www GlobalTestSupply com Find Quality Products On...

Страница 39: ...d stop date is on the lower line Example When recording start stop time and date have been set as follows Setting 11 time 8 00 00 18 00 00 Setting 12 date 12 08 01 12 08 07 the instrument automatically performs recording at the following time and date 1 8 00 to 18 00 on August 1 2012 2 8 00 to 18 00 on August 2 2012 3 8 00 to 18 00 on August 3 2012 4 8 00 to 18 00 on August 4 2012 5 8 00 to 18 00 ...

Страница 40: ... min put forward on is displayed and second will blink 3 Change the time and date with Cursor Key 4 Then press the ENTER key after making necessary change Function of Cursor keys To select a time parameter subject to change To change the value of selected time parameter Month Hour Minute Second Year Day Second Year Hour Day Minute Month www GlobalTestSupply com Find Quality Products Online at sale...

Страница 41: ... 00 Setting 14 stop 12 08 07 18 00 00 the instrument automatically performs measurement during the following period From 8 00 on August 1 2012 to 18 00 on August 7 2012 NOTE The stop time and date Setting 14 should be set after the start time Setting 13 in such a way to give enough time to the user to complete all settings before the measurement starts Otherwise an error message will be displayed ...

Страница 42: ...t into setting change mode 3 Present setting or default value 100 0kW blinks Change the value and unit with the Cursor key 4 Press the ENTER key after making necessary change Function of Cursor keys To select the digit or unit parameter subject to change To change the value of selected digit and unit parameter Either W or VA can be set as a unit The instrument can display and record the demand val...

Страница 43: ...ll not be performed when NO has been selected 1 Use the Cursor key on the selection screen and select Setting 16 2 Press the ENTER key to get the instrument into setting change mode 3 Present setting or default value 30 min blinks Press the Cursor key and set any desired time 4 Press the ENTER key after making necessary change www GlobalTestSupply com Find Quality Products Online at sales GlobalTe...

Страница 44: ... as follows Demand measurement cycle Setting 16 Warning cycle 10 15 min 1 2 5 min 30 min 1 2 5 10 15 min Default value or after system reset 10 min 1 Use the Cursor key on the selection screen and select Setting 17 2 Press the ENTER key to get the instrument into setting change mode 3 Previous setting or default value 10 min blinks Press the Cursor key to select any desired time and then press the...

Страница 45: ...ble space in the SD card in KEW6305 will be displayed 0 100 displayed by 1 Bars will be displayed if SD card is not inserted NOTE When using a 2GB SD card 511 files max can be saved in KEW6305 cannot perform any recording if the number of saved file exceeds the limit although there is available space in the SD card www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...

Страница 46: ... get the instrument in setting change mode 5 The message OFF not format will blink Change it to ON format with Cursor key In case that no CF card is placed in the instrument you cannot set it to ON 6 When pressing the ENTER key format will start Formatting takes a few seconds 7 After formatting a message FINISH is displayed on the LCD NOTE Please use SD card supplied with this instrument or suppli...

Страница 47: ...ion screen and select Setting 20 2 Then the available space in the internal memory of KEW6305 will be displayed 0 100 displayed by 25 NOTE The max number of files that can be saved in the internal memory is four If any of file size exceeds 2 25MB no more file can be saved in the memory www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Страница 48: ... mode 3 The message OFF not format will blink Change it to ON format with Cursor key 4 When pressing the ENTER key format will start Formatting takes a few seconds 5 After formatting a message FINISH is displayed on the LCD NOTE All the data in the internal memory will be deleted after formatting www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Страница 49: ...is manual 1 Use the Cursor key on the selection screen and select Setting 22 2 Then press the ENTER key to get the instrument in setting change mode 3 The message OFF not reset will blink Change it to ON reset with Cursor key 4 When pressing the ENTER key system reset will start The setting will return to OFF when system reset is done www GlobalTestSupply com Find Quality Products Online at sales ...

Страница 50: ...t of present setting or default value 1 00 blinks Change number with the Cursor key and then press the ENTER key after making necessary change Function of Cursor keys To select the digit subject to change To change the value of selected digit Any desirable number aside from the serial number can be assigned as an ID number and will be saved together with the recorded data file www GlobalTestSupply...

Страница 51: ...strument into setting change mode 3 Chose the Setting save number from 01 to 20 with the Cursor key and then press the ENTER key after making necessary change NOTE When loading the Setting save number on which no setting has not been made default setting at each setting 7 items becomes effective 150V 300V 600V 1P2W 1P3W 3P3W 3P4W 5A 10A 20A 50A 100A 200A 500A 1000A Setting save number www GlobalTe...

Страница 52: ...d Please refer to each setting procedure 2 Select Setting 25 with the Cursor key on the selection screen 3 Press the ENTER key to get the instrument into setting change mode 4 Select the Setting save number 01 20 with the Cursor key 5 Press ENTER key after making necessary settings NOTE When new settings are made on the setting save number on which settings already have done the previous setting w...

Страница 53: ...nt setting or default value OFF blinks Press the Cursor key to select ON or OFF and then press the ENTER key after making necessary change NOTE z To conserve battery life it is recommended to turn off the Bluetooth function when you are not using it z The LED blue lights up when ON is selected www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Страница 54: ...ction screen and select Setting 27 4 Press the ENTER key to get the instrument into setting change mode 5 Press the Cursor key to select ON and then press the ENTER key When a message Err appears on the LCD please check the connections of Clamp sensors NOTE If the instrument fails to detect the connected sensor properly the default setting 8125 500A Type will become effective For Current range AUT...

Страница 55: ... energized because of the high voltage generated at the secondary side terminals Be careful to avoid short circuiting the power line with the un insulated part of the voltage test probes during the setting up of the instrument Transformer jaw tips are designed in such a way to avoid short circuiting If the circuit under test has exposed conductive parts extra care should be taken to minimize the p...

Страница 56: ...ch Wiring method for single phase 2 wire 2ch 1P2W 2ch Wiring method for single phase 2 wire 3ch 1P2W 3ch VN V1 A1 N L Load Source VN V1 A3 A2 N L Load１ Load２ Load 3 A1 Source VN V1 A2 A1 N L Load１ Load２ Source www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Страница 57: ...for three phase 3 wire 3P3W3A Wiring method for three phase 4 wire 3P4W VN V1 A2 A1 N L2 Load Source V2 L1 VN V1 A2 A1 L2 L3 Load Source V2 L1 VN V1 A3 A2 L2 L3 V2 L1 Source N V3 A1 Load VN V1 A3 A2 L2 L3 V2 L1 Source V3 A1 Load www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Страница 58: ...a VT or CT is used the measurement accuracy is not guaranteed due to several factors namely phase characteristics and VT CT accuracies The use of supplementary VT CT s may be required if the voltage current values of the circuit under test fall outside the instrument measuring range In this case the value at the primary side of circuit can be obtained directly by measuring the secondary side with ...

Страница 59: ...o WIRING CHECK position Ensure that necessary Voltage test leads Clamp sensors are connected to the instrument circuit under test 2 Press the ENTER Key Check will start 3 Check result will be displayed about 5 sec later _ Everything is OK _ _ Error is found _ Top Frequency f Middle Voltage Bottom Current A www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Страница 60: ... 1 Screen 2 Screen 3 Screen 4 Screen 5 Screen 6 3P4W 3P3W3A Top f V1 A1 P1 PF1 DEG V1 Middle V avg V2 A2 P2 PF2 DEG V2 Bottom A avg V3 A3 P3 PF3 DEG V3 3P3W 1P3W Top f V1 A1 P1 PF1 DEG V1 Middle V avg V2 A2 P2 PF2 DEG V2 Bottom A avg 1P2W 3ch Top f V1 A1 P1 PF1 Middle V1 A2 P2 PF2 Bottom A avg A3 P3 PF3 1P2W 2ch Top f V1 A1 P1 PF1 Middle V1 A2 P2 PF2 Bottom A avg 1P2W 1ch Top f V1 A1 P1 PF1 Middle...

Страница 61: ...Should within 20 against V1 V2 V3 V2 Err bL_V Current input Should be 10 or more of A range x CT ratio One range low if auto ranging has been selected A1 A2 A3 A1 A2 A1 A2 A3 A1 A2 A1 Err Lo_A Should be 110 or less of A range x CT ratio One range high if auto ranging has been selected Err Hi_A Current phase PFi absolute value should be 0 5 or more for 3P3W3A 0 PFi PF1 PF2 PF3 PF1 PF2 PF1 PF2 PF3 P...

Страница 62: ...connected to the DUT Voltage test leads are firmly connected to the Voltage input terminals on the instrument Voltage phase Voltage test leads are properly connected Connected to proper channels Current input Clamp sensors are firmly connected to the Power input terminals on the instrument Setting for Current Range is appropriate for input levels Current phase Arrow mark on the Clamp sensor and th...

Страница 63: ...t power Si Apparent power per phase VA Power factor cos φ PF Power factor of whole system Pfi Power factor per phase Polarity no mark phase lag minus phase lead PF Frequency f Frequency of V1 Hz Neutral current In neutral current only at three phase 4 wire An i 1 2 3 Displayed parameters can be changed according to needs Refer to 6 3 Customizing display in this manual NOTE Above parameters vary de...

Страница 64: ...asic settings See Section 4 Settings Wiring See Section 5 Wiring Instantaneous value measurement Basic settings Setting 01 Wiring Setting 02 Voltage range Setting 03 Current range Setting 04 Clamp sensor Setting 05 VT ratio if necessary Setting 06 CT ratio if necessary www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Страница 65: ... Enters custom display mode Confirms the deletion of a file in the internal memory ESC key Cancels a setting in custom display mode Holds the indicated value on the LCD DATA HOLD key Pressing this key for at least 2 sec disables all key operations to prevent operation mistake during a measurement SAVE key Saves the measured data Indication at no input When no voltage and current are input indicati...

Страница 66: ...creen H Upper V V1 V2 V3 Middle A A1 A2 A3 Screen 1 Lower P P1 P2 P3 Upper P P1 P2 P3 Middle S S1 S2 S3 Screen 2 Lower PF PF1 PF2 PF3 Upper V1 A1 P1 PF1 S1 Q1 f VL12 Middle V2 A2 P2 PF2 S2 Q2 In VL23 Screen 3 Lower V3 A3 P3 PF3 S3 Q3 VL31 Three phase 3 wire 3 clamp sensor 3P3W3A 15 screens Screen A Screen B Screen C Screen D Screen E Screen F Screen G Upper V V1 V2 V3 Middle A A1 A2 A3 Screen 1 Lo...

Страница 67: ... A1 P1 PF1 S1 Q1 f Middle A2 P2 PF2 S2 Q2 Screen 3 Lower A3 P3 PF3 S3 Q3 Single phase 2 wire 2ch 1P2W 2ch 13 screens Screen A Screen B Screen C Screen D Screen E Screen F Screen G Upper V V V Middle A A1 A2 Screen 1 Lower P P1 P2 Upper P P1 P2 Middle S S1 S2 Screen 2 Lower PF PF1 PF2 Upper V A1 P1 PF1 S1 Q1 f Middle A2 P2 PF2 S2 Q2 Screen 3 Lower Single phase 2 wire 1ch 1P2W 1ch 9 screens Screen A...

Страница 68: ...G In case of single phase 2 wire 1ch the following screens do not appear 1 B 1 C 1 D 2 B 2 C 2 D In case of single phase 2 wire 2ch single phase 3 wire and three phase 3 wire the following screens do not appear 1 D and 2 D Selecting the display screens Upon turning the Function Switch from OFF to W range Screen 1 A is displayed Use the Cursor keys to select other screens Selects from Screen A to G...

Страница 69: ...en 2 B Screen 2 C Screen 2 D Screen 3 B Screen 3 C Screen 3 F Screen 3 G Screen 1 A Screen 2 A Screen 3 A Screen 1 A Screen3 A Screen 1 A Screen 2 D Screen 3 G Screen 2 A Screen 3 A Screen 1 D www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Страница 70: ...ollowing are examples of displays with three phase 4 wire configuration _１Ａ_ _１Ｂ_ _１Ｃ_ A V P 1ch 2ch _２Ａ_ _２Ｂ_ _２Ｃ_ S P PF _３Ａ_ _３Ｂ_ _３Ｃ_ V A P www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Страница 71: ...dle A Current PF Power factor Lower P Active power A Current Screen 1 Example Screen 2 Upper P Active power f Frequency Middle S Apparent power A Current Lower PF Power factor P Active power It is the start up screen or the previously customized screen that is displayed here After system reset the start up screen is displayed The above illustrations show the start up screen www GlobalTestSupply co...

Страница 72: ...ecting parameters NOTE f can be customized only at the upper row and In can be displayed only at the middle row when wiring configuration is three phase 4 wire On pressing the ENTER key whilst on Screen 3 the instrument will display Screen 1 A custom mode Customizing cannot be done during an integration demand measurement whilst a survey is underway This applies also for integration demand stand b...

Страница 73: ... internal memory 6 4 1 Saving Procedure 1 Press the SAVE key whilst on the W range 2 The File number screen appears and the instantaneous measured data is saved A file number is assigned automatically 3 On the measurement screen it can be seen that a file is open SD card lights up Internal memory lights up File number screen Measurement screen 4 Subsequent measured data can be saved by pressing th...

Страница 74: ...me file no exists the old one will be overwritten 6 4 2 Limitations of saving Data cannot be saved by pressing the SAVE key during a measurement when using SD card when number of files opened has exceeded 511 when the SD card memory capacity has been exceeded appears and further data cannot be saved To save further data previously saved files should be deleted via PC or by deleting all the data in...

Страница 75: ...power per phase Apparent power S Total apparent power Si Apparent power per phase Power factor PF Power factor of whole system PFi Power factor per phase Frequency f Frequency of V1 Neutral current In Neutral Current i 1 2 3 File format and name Data is saved in KEW format and the file name is assigned automatically as follows File name 5 O 0 0 1 KEW 1 Manual saving 2 Auto saving using Timer funct...

Страница 76: ... 03 CURRENT RANGE 500A Setting 04 CT RATIO 1 00 Setting 06 INTERVAL No START No DEMAND TARGET No DEMAND INTERVAL No DATE TIME V1 V2 V3 A1 A2 A3 P P1 P2 P3 2012 01 10 12 34 56 2012 01 10 12 35 00 PF PF1 PF2 PF3 S S1 S2 S3 Q Q1 Q2 Q3 f In 1 this is the data saved when SAVE key is pressed for the first time 2 this is the second data point saved when the SAVE key is pressed again whilst the file is st...

Страница 77: ... 999 9 kV 999 9 kV 1 000M 7 200 MV 7 200 MV Current A A average of each phase A1 A2 A3 each phase max 4 digits 50AClamp sensor 1 5 10 25 50A range 100AClamp sensor 2 10 20 50 100A range 200AClamp sensor 4 20 40 100 200A range 500AClamp sensor 10 50 100 250 500A range 1000AClamp sensor 50 100 200 500 1000A range 3000AClamp sensor 300 1000 3000A range Current range x CT ratio x 120 Digit Decimal poi...

Страница 78: ...A 4 000A 5 000A 10 00A 20 00A 25 00A 40 00A 150 0V 150 0 300 0 600 0 750 0 1 500k 3 000k 3 750k 6 000k 300 0V 300 0 600 0 1 200k 1 500k 3 000k 6 000k 7 500k 12 00k 600 0V 600 0 1 200k 2 400k 3 000k 6 000k 12 00k 15 00k 24 00k 50 00A 100 0A 200 0A 250 0A 300 0A 500 0A 1000A 3000A 150 0V 7 500k 15 00k 30 00k 37 50k 45 00k 75 00k 150 0k 450 0k 300 0V 15 00k 30 00k 60 00k 75 00k 90 00k 150 0k 300 0k 9...

Страница 79: ...ge selected x VT ratio x 130 e g when voltage range is 300V and VT ratio is 1 390 0V Current A A Current range x CT ratio x 130 e g when current range selected is 200A and CT ratio is 2 520 0A Active power P W Reactive power Q Var Apparent power S VA Power x VT ratio x CT ratio x 130 e g when power is 60kW VT ratio is 1 and CT ratio is 2 156 0kW indication When any of the above conditions are met ...

Страница 80: ... or if the frequency is not within 20 70Hz all the parameters except for current cannot be computed and thus displayed In such a case the numerical digits will be replaced by a bar indication as shown NOTE or mark is displayed every measurement screen while a measurement is performed on Wh or DEMAND range www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Страница 81: ... electrical energy WP1 WP2 WP3 Active electrical energy per phase Wh Apparent electrical energy consumption WS Total apparent electrical energy WS1 WS2 WS3 Apparent electrical energy per phase VAh Elapsed time of integration TIME Hour Min Sec Hour Min Hour NOTE The above parameters vary depending on each wiring configuration If V1 is out of measuring range other parameters may not be measured or c...

Страница 82: ...urement See Section 4 Setting Integration value measurement Settings for integration measurement Apart from basic settings the following settings are required for integration measurement Setting 09 Recording interval Setting 10 Specific time period rec or endless rec Setting 11 Time period setting Time setting Setting 12 Time period setting Date setting Setting 13 Start of continuous measurement S...

Страница 83: ...ts ENTER key Resets the integration value Confirms the deletion of a file in the internal memory ESC key Resets the integration value Holds the indicated value on the LCD DATA HOLD key Pressing this key for at least 2 sec disables all key operations to prevent operation mistake during a measurement SAVE key No use NOTE Data hold function is disabled while the instrument is in stand by mode for int...

Страница 84: ...n Wh range The instrument goes into stand by mode and the measurement starts at the preset time and date Manual measurement 1 Press the START STOP key on Wh range for 2 secs or more 2 The file number screen is displayed for about 1 sec followed by the measurement screen The survey then starts At this time LED status indicator is on File number screen displayed for about 1 sec Measurement screen LE...

Страница 85: ...The start time and date should be set after the current time in such a way to give enough time to the user to complete all settings before the survey starts When the start time and date are set before the current time measurement starts immediately upon pressing the START STOP key If the preset start time and date come after the preset stop time and date the survey cannot be done Even if the start...

Страница 86: ...ers a preset stop time and date ineffective The survey has to be closed manually in this case If the survey duration is shorter than the integration interval Setting 09 the measured data will not be saved If the preset start time and date come after the preset stop time and date the survey cannot be done Pressing the START STOP key 2 sec or more releases the stand by mode LED status indicator goes...

Страница 87: ...ulated parameter although not displayed on the screen is actually being computed Changing the display Three phase 4 wire configuration Screen1 Screen2 Screen3 Screen4 Upper TIME Middle WP Lower WS Upper TIME Middle WP1 Lower WS1 Upper TIME Middle WP2 Lower WS2 Upper TIME Middle WP3 Lower WS3 www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Страница 88: ... or demand measurement starts the measured data will be saved automatically There are two locations where data can be saved SD card Max 511 files can be saved Internal memory Max 4 files can be saved Data is saved to a SD card automatically when a SD card has been inserted before turning on the instrument If the SD card has not been inserted data is saved automatically to internal memory 7 5 1 Sav...

Страница 89: ... PC otherwise all the saved files in the SD card can be deleted using Setting 19 of Section 4 in this manual In case the data is saved to internal memory When 4 files have been saved to the internal memory mark appears and further data cannot be saved Limitations of saving during a survey When the capacity of SD card or internal memory has been exceeded during a survey measurement continues but ma...

Страница 90: ...ax max PF value PFi max max PFi values PF min min PF value PFi min min PFi values PF avg avg PF value PFi avg avg PFi values Frequency f frequency of V1 f max max f value f min min f value f avg avg f value Neutral current In current on neutral line In max max In value In min min In value In avg avg In value Active energy consumption regenerating overall WP total active energy consumption WPi acti...

Страница 91: ... format and the file name is assigned automatically File name 5 O 0 0 1 KEW 1 Manual saving 2 Auto saving using Timer function Fixed no SD SD card ME Internal memory File no 001 999 www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Страница 92: ...Setting 09 START yyy mm dd hh mm ss Setting 11 or 13 DEMAND TARGET 100 0kW Setting 15 DEMAND INTERVAL 30M Setting 16 Setting 15 and 16 are unrelated to integration measurement DATE TIME ELAPSED TIME V1 V2 V3 Q3 f In 2012 01 10 09 00 00 00000 30 00 2004 03 22 09 30 00 00001 00 00 V1 max V2 max V3 max Q3 max f max In max V1 avg V2 avg V3 avg Q3 avg f avg In avg WP WP1 WP2 WP3 WP WP1 WP2 WP3 WS WS2 W...

Страница 93: ...0 0 k 99999 9 k 100000 k 999999 k 1000 00 M 9999 99 M 10000 0 M 99999 9 M 100000 M 999999 M 1000 00 G 9999 99 G 10000 0 G 99999 9 G 100000 G 999999 G Elapsed time TIME Displayed time changes with time as follows Elapsed time 00 00 00 99 59 59 hour minute second 100 999999 hour Over range indication others When the input voltage and the current exceeds the max display counts or mark is displayed on...

Страница 94: ...ent Wh range The instantaneous values are displayed see Section 7 Integration value measurement SET UP range The settings are displayed see Section 4 Settings Indications Measurement Calculation items Unit Target demand value W Predicted demand value W Present demand value W Load factor Remaining time for demand interval elapse Max demand value recorded so far W Date and time when max demand value...

Страница 95: ...ue measurement Settings only for demand measurement Basic setting and following settings are required for demand measurement Setting 09 Recording interval Setting 10 Specific time period rec or endless rec Setting 11 Time period setting Time setting Setting 12 Time period setting Date setting Setting 13 Start of continuous measurement Setting 14 End of continuous measurement Setting 15 Target dema...

Страница 96: ...isplay contents ENTER key Resets the demand value Confirms the deletion of a file in the internal memory ESC key Resets the demand value Holds the indicated values on the LCD DATA HOLD key Pressing this key for at least 2 sec locks all key operations to prevent measurement interruption SAVE key No use NOTE Data hold function is disabled while the instrument is in stand by mode for demand measureme...

Страница 97: ...g the first 15 min the inspection cycle of Interval 2 is 600kW The average power during Interval 2 can be maintained at 500kW same as Interval 1 by reducing the power of the last 15 min to 400kW kW 600kW 500kW 500kW 400kW 0 15 30 15 30 min If say the average power during the first 15 min is 1000kW then the average power during the second 15min should be 0kW to maintain an average power of 500kW Av...

Страница 98: ...gure below describes the relationship between Target demand value Predicted value Present demand value interval and inspection cycle kW 600kW 400kW 600 500 Demand value 0 15 30 min In this case the demand value at the end of the interval is 500kW The demand values calculated at each interval are useful for power measurement per day month or year NOTE The readings of the demand meter installed by t...

Страница 99: ...ther with the time and date information The following is an example of the saving status of a demand value survey where the demand interval is 10 min demand cycle is 30 min and the survey duration is about 3 hours Demand value kW Demand measure ment cycle Start of demand End of demand Demand value Present demand value Max demand value displayed on LCD Data saving point Demand determined point 0 0 ...

Страница 100: ...Target demand value Lower row Present demand value Middle row Load factor Upper row Remaining time for demand interval elapse Lower row Present demand value Middle row Time when the max demand measured hour minute second Upper row Date when the max demand was recorded year month day Screen 2 Screen 3 Lower row Max demand value recorded so far Screen 1 www GlobalTestSupply com Find Quality Products...

Страница 101: ... row Screen 2 Lower row Present demand value W This is the Present Demand Value see definitions Screen 2 Upper row Remaining time This is the count down in 1 sec decrements to the end of the interval Screen 2 Middle row Load factor This is the load factor See definitions Screen 3 Upper row Middle row Date and time These are the time and when the max demand recorded so far from the start of the sur...

Страница 102: ...goes into stand by mode and the measurement starts at the preset time and date To start measurement manually 1 Press the START STOP key on DEMAND range at least 2 sec 2 File number screen is displayed for about 1 sec a file is opened and then the measurement screen is displayed After that measurement starts At this time LED status indicator is on GREEN File number screen displayed for about 1 sec ...

Страница 103: ...he start time and date should be set after the current time in such a way to give enough time to the user to complete all settings before the survey starts When the start time and date are set before the current time measurement starts immediately upon pressing the START STOP key When the preset start time and date come after the preset stop time and date measurement stops right after the start of...

Страница 104: ...vey is then closed NOTE Turning off the instrument by setting the Function switch to OFF position will stop the survey however the measured data may be lost It is recommended that a survey be stopped manually START STOP key or by presetting the stop time and date Manually starting a survey renders a preset stop time and date ineffective The survey has to be closed manually in this case If the pres...

Страница 105: ...pened Data is saved at the end of each integration interval Setting 09 Elapsed time Demand interval 1 2 3 n 1 n Start of demand Data saving point End of demand manually or preset time date manually or preset time date When the survey is closed manually or automatically the file is closed All the recorded parameters at each data saving point are saved to one file NOTE Never set the Function switch ...

Страница 106: ...internal memory When 4 files have been saved to the internal memory mark appears and further data cannot be saved Limitations of saving during a survey When the capacity of SD card or internal memory has been exceeded during a survey measurement continues but mark appears on the display screen and further data will not be saved Press the START STOP key 2 sec or more and stop the survey once Refer ...

Страница 107: ... min min PF value PFi min min PFi values PF avg avg PF value PFi avg avg PFi values Frequency f frequency of V1 f max max f value f min min f value f avg avg f value Neutral current In current on neutral line In max max In value In min min In value In avg avg In value Active energy consumption regenerating overall WP total active energy consumption WPi active energy consumption of each phase WP to...

Страница 108: ...1 00 Setting 06 INTERVAL 30M Setting 09 START yyy mm dd hh mm ss Setting 11 or 13 DEMAND TARGET 100 0kW Setting 15 DEMAND INTERVAL 30M Setting 16 DATE TIME ELAPSED TIME V1 V2 V3 Q3 f In 2012 01 10 09 00 00 00000 30 00 2004 03 22 09 30 00 00001 00 00 V1 max V2 max V3 max Q3 max f max In max V1 avg V2 avg V3 avg Q3 avg f avg In avg WP WP1 WP2 WP3 WP WP1 WP2 WP3 WS WS2 WS3 WQ DEM 2 DEM 3 Taeg et Data...

Страница 109: ...GW GVA 0 0 99999 9 GW GVA Load factor max 6 digits 9999 99 Over range indication others When the predicted demand value present demand value max demand value and load factor exceed 99999 9 segment becomes When the input voltage and the current exceeds the max display counts or mark is displayed on the LCD In this case accurate measurement cannot be made On the W range when the P active power is sh...

Страница 110: ...s 1 sec approx 8 days approx 17 days approx 33 min 1 min approx 16 months approx 33 months approx 33 hours Auto saving at preset interval 30 min 3 years or more approx 42 days Max number of file 511 4 In case that no file has been contained in SD card File name File name is assigned automatically File name 5 O 0 0 1 KEW 1 Manual saving 2 Auto saving using Timer function Fixed no SD SD card ME Inte...

Страница 111: ... without any problem make sure to delete the files other than the data measured with this instrument from the SD card 2 BLUETOOTH Measuring data can be checked on android devices in real time via Bluetooth communication It is neccesary to enable Bluetooth function prior to using Bluetooth communication Setting No 26 Bluetooth Before starting to use this function download the special application KE...

Страница 112: ...e lost or the instrument may be damaged Inserting SD card 1 Loosen the screw for SD card cover and open the SD card cover 2 Insert an SD card into SD card slot with the topside turned up 3 Then close the cover and tighten up the screw Removing SD card 1 Loosen the screw for SD card cover and open the SD card cover 2 Gently push the SD card towards inside and then the card comes out Remove the card...

Страница 113: ...real time and also saving the measured data at the same time System Requirements OS Operation System Please refer to the version label on the supplied CD case for supported OS CPU Pentium 4 1 6GHz or more Memory 512Mbyteormore forWindowsXP 1Gbyteormore forWindows7 Vista Display 1024 768 dots 65536 colors or more HDD Hard disk space required 1Gbyte or more including Framework NET Framework 3 5 or m...

Страница 114: ...pter to VN and V1 terminals on KEW6305 and Power Plug to the Power connector respectively 3 Connect the Voltage test leads to VN and V1 terminals of the Adapter 4 Connect the Alligator clips of the Voltage test leads to the circuit under test 5 Power on the Adapter 6 Power on KEW6305 Reversed procedure is applied to remove the Adapter from KEW6305 Fuse rating AC500mA 600V Fast acting Φ6 3 x 32mm F...

Страница 115: ...an interruption Operation after interruption recording restarts with preset settings if a power is interrupted during recording In this case occurrence of interruption is recorded with time and date information STOP Restoration is also recorded as well START Instrument doesn t power on again automatically when a power interruption occurs and restores other than recording period Files in CF card or...

Страница 116: ...2W 2ch Top YY MM DD V1 A1 P1 TIME Target value Middle hh mm ss A2 P2 WP Bottom WS Present value 1P2W 1ch Top YY MM DD V A P TIME Target value Middle hh mm ss WP Bottom WS Present value STEP1 After connections are complete set the Function switch to the DATA CHECK Range Then RECALL symbol appears and the latest data No 01 is displayed on the LCD Select the DATA CHECK Range STEP2 Use the Keys and se...

Страница 117: ...In case that NG Err 001 is found only on RTC item it means internal coin battery for backup is exhausted Date and time may be wrong every time when powering off the instrument Contact your local Kyoritsu distributor Backup battery life is approx 5 years 3 Any key doesn t work Key lock function is inactivated Check the effective Keys on each Range 4 Readings are not stable or inaccurate Confirm tha...

Страница 118: ... operation of SD card to be used is checked Verify the proper operation of SD card on other hardware 7 Download and setting cannot be done via USB communication Confirm that instrument and PC are connected with USB cord correctly SET UP Range is selected and device is recognized on KEW Windows for KEW6305 If not a USB driver may not have been installed correctly See Section 13 in this manual www G...

Страница 119: ... degree 2 IEC 61010 031 IEC61326 EN50581 Dimension 175 L x 120 W x 65 D mm Weight Approx 900g including batteries Accessories Voltage test leads M 7141B red green black blue w alligator clip x 1 set Power cord M 7170 x 1 pce Alkaline size AA battery LR6 x 6 pcs CD ROM x 1 pce Communication software KEW Windows for KEW6305 Instruction manual PDF file USB cable M 7148 with Filter x 1 pce Carrying ca...

Страница 120: ...able input 10 to 110 of each range Display range 1 to 130 of each range Crest factor 3 0 or less max1 4Vpeak Accuracy 0 2 rdg 0 2 f s accuracy of clamp sensor sine wave 45 65Hz 1 f s at the lowest range Input impedance approx 100kΩ 3 Active power P i W Range Voltage range x Current range Displayed digit 4 digits Accuracy 0 3 rdg 0 2 f s accuracy of clamp sensor power factor 1 sine wave 45 65Hz 1 f...

Страница 121: ... Ai Vi Si 2 1 2 3 S S S 3P3W3A 3 2 1 i Ai Vi Si 3 2 1 S S S S 3P4W 3 2 1 i Ai Vi Si 3 2 1 S S S S Reactive power Q Var Displayed digit Same as active power Polarity indication minus leading phase no sign lagging phase Equation 1P2W 1 2 2 P S Q 2 2 1 _ _ _ 2 2 i i P i S i Q 2 1 Q Q Q 3 3 2 1 _ _ _ 2 2 i i P i S i Q 3 _ 2 _ 1 _ Q Q Q Q 1P3W 2 1 2 2 i Pi Si Qi 2 1 Q Q Q 3P3W 2 1 2 2 i Pi Si Qi 2 1 Q ...

Страница 122: ... cos 3 cos 2 1 θ θ A A A An θ2 Phase difference between A1and A2 θ3 Phase difference between A1and A3 13 3 Integration measurement Wh Range Active energy WP Wh Displayed item Consumption Overall WP each phase WPi Display range 0 00Wh to 999999GWh digit and unit will be adjusted according to WS Equation Consumption WP Each phase h Pi WPi Overall WPi WP Regeneration WP Each phase h Pi WPi Overall WP...

Страница 123: ...0 00varh 999999Gvarh Equation Consumption WQ Overall 2 2 WP WS WQ Duration of integration Displayed item 00 00 00 hour minute second Display range 00 00 00 0 sec 99 59 59 99 hour 59 min 59 sec to 000100 999999 999999 hour Display changes as above 13 4 Demand measurement DEMAND Range 1 Target value TDEM Display range Preset value will be displayed and not vary 0 1W 999 9GW 2 Predicted value GDEM Di...

Страница 124: ...aline battery x 6 pcs Rated voltage DC9V 1 5V 6 Current consumption 110mA typ 9V Battery life approx 15 hours moderate use Bluetooth OFF Backlight OFF 4 Battery check function Power supply Mark Battery voltage V 0 2V AC power supply DC power supply battery Effective range 10 7 5 7V Warning blink 5 7V or less KEW6305 operates with an AC power supply if it is connected to 5 Recording data Internal m...

Страница 125: ... USB Ver2 0 USB identification no Vendor ID 12EC Hex Product ID 6305 Hex Serial no 0 7 digit individual no Communication speed Baud rate 12Mbps Full speed Daisy chain of multiple units of KEW6305 10pcs max using HUB makes individual recognition possible Data transfer to PC can be done one unit each USB cable length 2m max 7 External communication function Bluetooth Communication method BluetoothVe...

Страница 126: ...0 Hz AC 200 Arms 50 60 Hz Output impedance Approx 20 Ω Approx 10 Ω Approx 5 Ω Location for use Indoor use altitude 2000m or less Applicable standard IEC 61010 1 IEC 61010 2 032 Measurement CAT III 300 V Pollution degree 2 IEC61326 IEC 61010 1 IEC 61010 2 032 Measurement CAT III 600 V Pollution degree 2 IEC61326 Withstand voltage AC 3540 V 5 sec between Jaws enclosure enclosure output terminal Jaws...

Страница 127: ...umidity 85 or less no condensation Allowable input AC 500 Arms 50 60Hz AC 1000 Arms 50 60 Hz Output impedance Approx 2 Ω Approx 1 Ω Location for use indoor use altitude 2000m or less Applicable standard IEC 61010 1 IEC 61010 2 032 Measurement CAT III 600 V Pollution degree 2 IEC61326 Withstand voltage AC 5350 V 5 sec between Jaws enclosure enclosure output terminal Jaws output terminal Insulation ...

Страница 128: ...ndensation 0 50 C relative humidity 85 or less no condensation 10 to 50 C relative humidity 85 or less no condensation 20 to 60 C relative humidity 85 or less no condensation AC 3600 Arms 50 60 Hz AC 1300Arms 50 60 Hz AC 3900Arms 50 60 Hz Approx 100 Ω or less Indoor use altitude 2000m or less IEC 61010 1 IEC 61010 2 032 Measurement CAT III 600 V Pollution degree 2 IEC61326 IEC 61010 1 IEC 61010 2 ...

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