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Model UT232: OPERATING MANUAL

39

I. Active Energy (kWh)

Range
1~9999kWh

Accuracy

(3%+2)

Resolution
0.001kWh

Remarks:

Allowable maximum overload protection voltage:

600V RMS

Allowable maximum overload protection current:

1000A RMS

MAINTENANCE

This section provides basic maintenance information
including battery replacement instruction.

Do not attempt to repair or service your Meter unless
you are qualified to do so and have the relevant
calibration, performance test, and service
information.

To avoid electrical shock or damage to the Meter,
do not get water inside the case.

Warning

A. General Service

Periodically wipe the case with a damp cloth and mild
detergent. Do not use abrasives or solvents.
To clean the terminals with cotton bar with detergent,
as dirt or moisture in the terminals can affect readings.
Turn the Meter power off when it is not in use.
Take out the battery when it is not using for a long
time.
Do not use or store the Meter in a place of humidity,

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Содержание UT232

Страница 1: ...Model UT232 OPERATING MANUAL ...

Страница 2: ...er Back and Bottom Structure Functional Buttons Display Symbols Measurement Operation A AC Voltage Frequency Measurement B AC Current AC Voltage Measurement C Active Power Phase Angle Measurement D Apparent Power Reactive Power Measurement E Power Factor Phase Angle Measurement F Active Energy Time Measurement True RMS Measurement and Average Value Measurement Specifications 3 3 4 4 6 7 7 8 9 12 1...

Страница 3: ...F CONTENTS TITLE PAGE A General Specifications B Environmental Requirements Accuracy Specifications A AC Voltage B Frequency C AC Current D Active Power E Apparent Power F Reactive Power G Power Factor H Phase Angle I Active Energy Maintenance A General Service B Replacing the Battery ...

Страница 4: ...eter can measure Voltage Current Active Power Apparent Power Reactive Power Power Factor Phase Angle Frequency Active Energy and etc Open the package case and take out the Meter Check the following items carefully to see any missing or damaged part Item 1 2 3 4 5 6 7 8 9 10 11 12 13 Description English Operating Manual Red Test Lead Black Test Lead Blue Test Lead Yellow Test Lead Red Alligator Cli...

Страница 5: ... to International electrical symbols used on the Meter and l l l l in this Operating Manual are explained on page 6 Rules For Safe Operation Warning To avoid possible electric shock or personal injury and to avoid possible damage to the Meter or to the equipment under test adhere to the following rules Before using the Meter inspect the case Do not use the Meter if it is damaged or the case or par...

Страница 6: ...n as the battery indicator appears With a low battery the Meter might produce false readings that can lead to electric shock and personal injury l l l l l l l When opening the battery door must make sure the Meter is power off When servicing the Meter use only the same model number or identical electrical specifications replacement parts The internal circuit of the Meter shall not be altered at wi...

Страница 7: ...G MANUAL International Electrical Symbols AC Alternating Current Grounding Double Insulated Warning Refer to the Operating Manual Deficiency of Built In Battery Danger of High Voltage Conforms to Standards of European Union ...

Страница 8: ...ds to protect userís hand from touching the dangerous area Power button Max button MENU button LOAD button recall data SELECT button press to select alternate function and sum of Watts measurement MIN button V3 Input Terminal Third phase measurement V2 Input Terminal Second phase measurement V1 Input Terminal First phase measurement COM Input Terminal CLEAR button maximum and minimum Black Red Blu...

Страница 9: ...Interface Cable Figure 2 14 15 16 17 18 19 20 button Sum SAVE button data store button USB button LIGHT button auto display backlight button HOLD button LCD Display Testing Leads Red Black Blue and Yellow B The Meter Back and Bottom Structure see figure 2 ...

Страница 10: ...ically after 30 seconds Press MENU to display the following functions in sequence AC Voltage main display Frequency Button MENU MAX Operation Performed secondary display AC Current main display AC Voltage secondary display Active power main display Phase angle secondary display Apparent power main display Reactive power secondary display Power factor main display Phase angle secondary display Acti...

Страница 11: ...y the stored data quickly At Active power main display Phase angle secondary display mode press once button to sum up the current Button Operation Performed first phase of 3 phase measurement result Then carry out second phase power measurement Press again to sum up the second phase power measurement result then carry out third phase power measurement Press again to sum up the third phase power me...

Страница 12: ...Meter displays the previous stored reading the left secondary display showing the index decrease one Press once at mode CAL icon shown SELECT MIN Button the Meter steps through sum of active power main display sum of reactive power secondary display and sum of power factor main display sum of apparent power CLEAR Operation Performed to exit The maximum number of data store is 99 when it achieves 9...

Страница 13: ... phase symbol Unit for hour Unit for minute Watt Sum of Watt The battery is low Warning To avoid false readings which could lead to possible electric shock or personal injury replace the battery as soon as the battery indicator appears Unit for second Symbol of Unit Hz Hertz The unit of frequency PG The unit of phase angle KVAr The unit of reactive power Symbol USB DC 1 2 3 h mm W s Hz PG KVAr Num...

Страница 14: ... Ruler Maximum reading Indicator for clear the stored reading Ruler negative symbol High voltage symbol Indicates negative reading Indicator for AC voltage or current Indicator for recall the stored reading Frequency symbol Indicator for data store Indicator for data stored is full Data hold is active Symbol MIN MAX CLR AC MR FREQ MEM FUL ...

Страница 15: ...on Press and hold POWER for one second to turn the Meter on The default range is the last measurement range when you turned off the Meter Replace the battery as soon as the battery indicator ì î appears on the display A AC Voltage main display Frequency secondary display Measurement see figure 4 ...

Страница 16: ...nding three phases loaded neutral wire Press SELECT to select phase location the display shows the corresponding phase symbol V1 means the first phase 1 V2 means the first phase 2 V3 means the first phase 3 5 6 7 8 The display shows the corresponding True RMS voltage value and frequency value of each phase Press MAX the LCD displays MAX it starts recording the maximum AC voltage True RMS value Pre...

Страница 17: ...open the transformer jaw Center the conductor within the transformer jaw then release the Meter slowly until the trasnformer jaw is completely closed Make sure the conductor to be tested is placed at the center of the transformer jaw otherwise it will casue deviation The Meter can only measure one conductor at a time to meausre more than one condutor at a time will cause deviation The double displ...

Страница 18: ... present AC current True RMS value The display shows OL when the current of the tested conductor is higher than 1000A rms 17 Model UT232 OPERATING MANUAL Note When the measurement has been completed disconnect the connection between the conductor under test and the jaw and remove the conductor away from the transformer jaw of the Meter ...

Страница 19: ...re higher than AC voltage 600 v r s and AC current 1000A v r s To measure active power phase angle connect the Meter as follows 1 2 Press the MENU to select Active power main display Phase angle secondary display range Press the lever to open the transformer jaw and clamp them to the corrresponding phase of tested conductor If user needs to mesaure any phase of the 3 phase then clamp them to that ...

Страница 20: ...st leads to V2 input terminal Insert yellow test leads to V3 input terminal and connecting it to every live wire of the 3 phase Insert black test leads to COM input terminal and connect it to the neutrual wire of the 3 phase You must specify that this connection is used only when the main transformer have STAR connection ...

Страница 21: ...UT232 OPERATING MANUAL 20 Insert red test leads to V1 input terminal Insert blue test leads to V2 input terminal Insert yellow test leads to V3 input terminal and connect it to every live wire of the 3 phase Red Blue ...

Страница 22: ...TING MANUAL Figure 8 Insert red test lead to V1 V2 or V3 input terminal corresponding to one of 1 2 or 3 phase Insert black test leads to COM input terminal Connecting the two test leads to live and neutual wires Black Red ...

Страница 23: ...ee figure 9 The double displays show the acitve power kW value and also the PG value of 1 If necessary press to get the sum of watts as figure 10 After sum up the current power measurement value of the first phase then press SELECT to choose the second phase 2 as figure 11 The double display shows the value of acitve power kW and PG of 2 If ncessary press to get the sum of watts as figure 12 ...

Страница 24: ...itve power KW and PG of 3 If ncessary press to get the sum of watts as figure 14 After sum up the current power measurement value of the third phase finally press SELECT again to display the 3 phase sum of acitve power value and reactive power value Press MAX or MIN as figure 15 to step through in sequence three phase sum of active power three phase sum of reacitve power and three phase sum of pow...

Страница 25: ...m power is 600kW of single phase OL will be displayed when it is over than that The maximum range is 1800kW of three phase sum of 5 When there is no input or single phase the Meter displays OL button is not valid It can only sum up the current measurement value The maximum and minimum value cannot be summed up Only at this range can carry out sum of watts measurement other ranges cannot carry out ...

Страница 26: ...ay Reactive power secondary display range Press the lever to open the transformer jaw and clamp them to the corrresponding phase of tested conductor If user needs to mesaure any phase of the 3 phase then clamp them to that phaseís conductor The connecting method of 3 phases 4 wires 3 phases 3 wires or single phase 2 wires see figure 6 7 a nd 8 4 When measuring 3 phase 4 wires see figure 17 18 19 P...

Страница 27: ...ase measurement The maximum measuring range is 600kW when measuring single phase apparent power kVA and reactive power Kvar OL wil be displayed when it is over than that Press MAX the display shows MAX it starts recording the maximum apparent power value Press again to display the current apparent power value Press MIN the display shows MIN it starts recording the minimum apparent power value Pres...

Страница 28: ...se angle secondary display range Press the lever to open the transformer jaw and clamp them to the corrresponding phase of tested conductor If user needs to mesaure any phase of the 3 phase then clamp them to that phaseís conductor The connecting method of 3 phases 4 wires 3 phases 3 wires or single phase 2 wires see figure 6 7 and 8 When measuring 3 phase 4 wires see figure 20 21 22 1 2 3 4 Press...

Страница 29: ... phase value of power factor PF and phase angle PG 5 When measuring 3 phase 3 wires The first phase and second phase operating method is same as three phase 4 wires Jump over the third phase measurement 6 MAX and MIN are not valid when measuring power factor When testing has been completed disconnect the connection between the testing leads and the circuit under test and remove testing leads from ...

Страница 30: ...hat phaseís conductor The connecting method of 3 phase 4 wires 3 phases 3 wires or single phase 2 wires see figure 6 7 and 8 Press SELECT to choose one of the three phases 1 2 3 see figure 23 The double display shows the value of tested objectís active engergy kWh value and the measuring time of the corresponding phase The measuring reading gets increasing along with the time increases Press HOLD ...

Страница 31: ...suring active energy 6 Press CLEAR to reset the time Note When there is no input signal it cannot carry out active energy measurement When there is input signal the maximum waiting time is around 10s before timing When testing has been completed disconnect the connection between the testing leads and the circuit under test and remove testing leads from the input terminals ...

Страница 32: ... the total distortion Below table 1 shows the waveform coefficient and the relationship and the requested changing factor of sine wave square wave pulse rectangle wave sawtooth triangle wave RMS value and average value Input Wave PK PK 0 PK RMS AVG Sine PK 0 PK PK sine commute whole wave PK 0 PK PK sine commute half wave PK 0 PK PK square wave PK 0 PK PK commuted square wave PK 0 PK PK pulse recta...

Страница 33: ...um 99 Single or Continuous records Data Recall Maximum and Minimum value display Voltage Current Active Power and Apparent Power ranges Display Backlight White colour Computer connection USB Calibration Feature Sleep Mode To preserve battery life the Meter automatically turns off if you do not turn press any button for around 15 minutes except at active factor range Sampling 3 times per second Max...

Страница 34: ...le for indoor use Altitude Operating 2000m Storage 10000m Temperature and humidity Operating 0 30 85 R H 30 40 75 R H 40 50 45 R H Storage 10 60 85 R H Safety Compliances IEC 61010 CAT III 600V CAT IV 300V overvoltage and double insulation standard pollution degree 2 Certification ...

Страница 35: ...uarantee for 1 year Operating temperature 23 5 Operating humidity 45 75 R H A AC Voltage True RMS Range 15V 100V 300V 600V Resolution 0 1V Accuracy 1 2 5 Allowable Maximum overload protection voltage 600 RMS Input Impedance 10M B Frequency Range 20Hz 500Hz Resolution 1Hz Accuracy 0 5 5 ...

Страница 36: ...2 00kW 30 00kW 120 0kW 300 0kW 600V 24 00kW 60 00kW 240 0kW 600 0kW Voltages Range Accuracy Resolution 3 5 1000kW 0 01kW 100kW 0 1kW Remarks Allowable maximum overload protection voltage 600V RMS Allowable maximum overload protection current 1000A RMS C AC Current True RMS Range 40A 100A 400A 1000A Resolution 0 1A 1A Accuracy 2 5 Allowable Maximum overload protection current 1000A RMS ...

Страница 37: ...A 6 00kVA 15 00kVA 100V 4 00kVA 10 00kVA 40 00kVA 100 0kVA 300V 12 00kVA 30 00kVA 120 0kVA 300 0kVA 600V 24 00kVA 60 00kVA 240 0kVA 600 0kVA Voltages Range Accuracy Resolution 3 5 1000kVA 0 01kVA 100kVA 0 1kVA Remarks Allowable maximum overload protection voltage 600V RMS Allowable maximum overload protection current 1000A RMS ...

Страница 38: ...00V 4 00kVar 10 00kVar 40 00kVar 100 0kVar 300V 12 00kVar 30 00kVar 120 0kVar 300 0kVar 600V 24 00kVar 60 00kVar 240 0kVar 600 0kVar Voltages Range Accuracy Resolution 15V 1000A Range 4 10 Other Ranges 4 5 1000kVar 0 01kVar 100kVar 0 1kVar Remarks Allowable maximum overload protection voltage 600V RMS Allowable maximum overload protection current 1000A RMS ...

Страница 39: ...easuring current less than 10A OR Measuring voltage less than 45V For reference only H Phase Angle PG acos PF Range 0 360 0 360 Accuracy 1 Resolution 1 Measuring Condition The minimum measuring current 10A The minimum measuring voltage 45V Measuring current less than 10A OR Measuring voltage less than 45V For reference only Remarks Allowable maximum overload protection voltage 600V RMS Allowable m...

Страница 40: ...ss you are qualified to do so and have the relevant calibration performance test and service information To avoid electrical shock or damage to the Meter do not get water inside the case Warning A General Service Periodically wipe the case with a damp cloth and mild detergent Do not use abrasives or solvents To clean the terminals with cotton bar with detergent as dirt or moisture in the terminals...

Страница 41: ...the transformer jaw and the tests leads are disconected from the circuit being tested before opening the case bottom Warning To replace the battery 1 2 3 4 5 Press POWER to turn the Meter off and remove all the connections from the input terminals Turn the Meterís front case down Remove the screw from the battery door and separate the battery door from the case bottom Take out the old battery and ...

Страница 42: ...Model UT232 OPERATING MANUAL 41 This operating manual is subject to change without notice END ...

Страница 43: ...Limited Dong Fang Da Dao Bei Shan Dong Fang Industrial Development District Hu Men Town Dongguan City Guang Dong Province China Postal Code 523 925 Headquarters Uni Trend Group Limited Rm901 9 F Nanyang Plaza 57 Hung To Road Kwun Tong Kowloon Hong Kong Tel 852 2950 9168 Fax 852 2950 9303 Email info uni trend com http www uni trend com ...

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