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72-9490: OPERATING MANUAL

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This Meter complies with the Safety/ Compliances: IEC 61010 CAT. III 600V, CAT. IV 300V overvoltage and double

insulation standard, pollution degree 2.

CAT. III: Distribution level, fixed installation, with smaller transient overvoltages than CAT. IV

CAT.IV: Primary supply level, overhead lines, cable systems etc.

Use the Meter only as specified in this operating manual to avoid personal injury or damage to your Meter or device under

test.

In this manual, a Warning identifies conditions and actions that pose hazards to the user, or may damage the Meter

or device under test.

International electrical symbols used on the Meter and in this Operating Manual are explained.

Safety Information

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Содержание 72-9490

Страница 1: ...72 9490 ...

Страница 2: ...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 4 5 6 8 9 9 11 12 15 17...

Страница 3: ...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: ...p meter hereafter referred to as the Meter which has both the features of digital current meter and also power measurement meter Warning This Operating Manual covers information on safety and cautions Please read the relevant information carefully and observe all the Warnings and Notes strictly Overview To avoid electric shock or personal injury read the Safety Information and Rules for Safe Opera...

Страница 5: ...B Interface Cable Software Tool Box 1 5V Battery LR6 Qty 1 piece 1 piece 1 piece 1 piece 1 piece 1 piece 1 piece 1 piece 1 piece 1 piece 1 piece 1 piece 4 pieces In the event you find any items are missing or damaged please contact your dealer immediately Open the carton and remove the Meter Check the following items carefully to see if any items are missing or damaged Unpacking Inspection 4 72 94...

Страница 6: ...ages than CAT IV CAT IV Primary supply level overhead lines cable systems etc Use the Meter only as specified in this operating manual to avoid personal injury or damage to your Meter or device under test In this manual a Warning identifies conditions and actions that pose hazards to the user or may damage the Meter or device under test International electrical symbols used on the Meter and in thi...

Страница 7: ...en the Meter s back case and or battery door is opened to avoid electric shock When the Meter is operating at an effective voltage over 30V in AC special care should be taken Use the proper terminals and function for your measurements Do not use or store the Meter in an environment of high temperature humidity explosive flammable and strong magnetic field The performance of the Meter may deteriora...

Страница 8: ... be used to clean the surface of the Meter when servicing No abrasive and solvent should be used to protect the surface of the Meter from corrosion damage and accident The Meter is suitable for indoor use only Turn the Meter off when it is not in use and take out the battery when not using for a long time Periodically check the battery as it may leak when it has not been in use for some time repla...

Страница 9: ...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 10: ... 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 Figure 1 Black Red Blue Yellow A The Meter Front Structure see figure 1...

Страница 11: ...9490 OPERATING MANUAL 14 15 16 17 18 19 20 Sigma 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 ...

Страница 12: ...72 9490 OPERATING MANUAL 11 1 Infrared slot 2 USB Interface Cable Figure 2 B The Meter Back and Bottom Structure see figure 2 ...

Страница 13: ...he Meter beeps Press HOLD again to exit the Hold mode to return to measurement mode the Meter beeps and disappears Press and hold POWER for 1 second to turn the Meter on Press POWER again to turn the Meter off Button POWER HOLD LIGHT MENU Operation Performed The table below describes the function of the main button operations Functional Buttons Press to start recording of maximum value it valid at...

Страница 14: ...display shows the 3 phase sum of the watts value 72 9490 OPERATING MANUAL 13 SELECT LOAD Press USB once to turn the USB interface on USB appears and the Meter beeps Press USB again to turn the USB interface off USB disappears and the Meter beeps Press once to enter LOAD mode MR appears and the Meter beeps Press again to exit LOAD mode MR disappears and the Meter beeps Press and hold LOAD for 1 sec...

Страница 15: ...tage current active power and apparent power ranges only Press once at LOAD mode MR icon shown the Meter displays the next stored reading the left secondary display showing the index decrease one Press once at mode CAL icon shown 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 Button Operati...

Страница 16: ...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 Numb...

Страница 17: ...ler 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 18: ... Meter 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 appears on the display A AC Voltage main display Frequency secondary display Measurement see figure 4 ...

Страница 19: ...irst phase 1 V2 means the first phase 2 V3 means the first phase 3 5 The display shows the corresponding True RMS voltage value and frequency value of each phase 6 Press MAX the LCD displays MAX it starts recording the maximum AC voltage True RMS value Press MAX again to show the current AC voltage True RMS value 7 Press MAX the LCD displays MAX it starts recording the minimum AC voltage True RMS ...

Страница 20: ...he Meter can only measure one conductor at a time to meausre more than one condutor at a time will cause deviation 4 The double display shows the AC current True RMS value and AC voltage True RMS value 5 Press MAX the LCD displays MAX it starts recording the maximum AC current True RMS value Press MAX again to show the present AC True RMS value B AC Current main display AC Voltage secondary displa...

Страница 21: ... and clamp the corresponding lead to the proper conductor to be tested If user needs to measure any phase of the 3 phase then only clamp them to that phase s conductor 3 Connecting method see figure 6 7 8 20 72 9490 OPERATING MANUAL 6 Press MIN the LCD displays MAX it starts recording the minimum AC current True RMS value Press MIN again to show the present AC current True RMS value 7 The display ...

Страница 22: ... Red Blue Yellow 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 each lead to the corresponding live wire of the 3 phase Insert black test leads to COM input terminal and connect it to the neutral wire of the 3 phase ...

Страница 23: ...22 72 9490 OPERATING MANUAL phase s 2 yellow Red Blue Yellow 1 When measuring 3 phase 3 wires connect the Meter as shown in figure 7 ...

Страница 24: ...72 9490 OPERATING MANUAL 23 3 ...

Страница 25: ...24 72 9490 OPERATING MANUAL neutral as shown in figure 8 ...

Страница 26: ...n figure 9 The display show the active power kW value and also the PG value of 1 If necessary press to get the sum of the power measurement as shown in figure 10 After summing up the current power measurement valueof the first phase then press SELECT to choose phase The display shows the value of active power kW and PG of 2 If ncessary press to get the sum of the power measurement as shown in figu...

Страница 27: ...cessary press to get the sum of the power measurement as shown in figure 14 After summing up the current power measurement value of the third phase finally press SELECT again to display the three phase sum of active power value and reactive power value Press MAX or MIN as shown in figure 15 to step through in sequence three phase sum of active power and three phase sum of reactive power and three ...

Страница 28: ... can only sum up and save the current measurement value The maximum and minimum value cannot sum up and save Only at this range can carry out sum of watts measurement other ranges cannot carry out this measurement 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 The first and second phas...

Страница 29: ...ver 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 phase s conductor 3 The connecting method of 3 phases 4 wires 3 phases 3 wires or single phase 2 wires see figure 6 7 and 8 4 When measuring 3 phase 4 wires see figure 17 18 19 Warning D Apparent Power main display Reactive Power s...

Страница 30: ...tive power Kvar 6 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 7 Press MAX the display shows MAX it starts recording the maximum apparent power value Press again to display the current apparent power value 8 Press MIN the display shows MIN it starts recording the minimum apparent power valu...

Страница 31: ...ed conductor If user needs to mesaure any phase of the 3 phase then clamp them to that phase s conductor 3 The connecting method of 3 phases 4 wires 3 phases 3 wires or single phase 2 wires see figure 6 7 and 8 4 When measuring 3 phase 4 wires see figure 20 21 22 Press SELECT to choose the first phase 1 see figure 20 To avoid damage to the Meter or personal injury do not exceed AC voltages of 600V...

Страница 32: ... again to choose the third phase 3 see figure 22 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 Note When testing has been completed disconnect the connection between the testing leads and the circuit under test and remove testing leads fr...

Страница 33: ...e phase 2 wires see figure 6 7 and 8 4 Press SELECT to choose one of the three phases 1 2 3 see figure 23 F Active Energy main display Time secondary display Measurement Warning Figure 23 The double display shows the value of tested object s active engergy kWh value and the measuring time of the corresponding phase The measuring reading gets increasing along with the time increases Press HOLD to r...

Страница 34: ... 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 5 MAX and MIN are not valid when measuring active energy 6 Press CLEAR to reset the time The maximum reading of acitve energy is 9999kWh OL will be displayed when the reading is over than that When the input waveform has distortion...

Страница 35: ...wine waveform PK 0 PK PK square waveform PK 0 PK PK commutate square waveform PK 0 PK PK X 0 PK PK Y Rectangle pulse waveform D X Y triangle waveform PK 0 PK PK 2 828 1 414 2 828 1 800 1 800 0 9 D 3 600 1 414 1 414 2 828 0 900 1 800 0 9 D 1 800 1 000 1 000 1 414 0 900 1 272 0 9 D 1 038 0 900 0 900 0 900 0 900 0 900 0 9 D 0 900 ...

Страница 36: ...ttery Deficiency Display Data Holding Display Data Logging Maximum 99 Single or Continuous records Data Recall Maximum and Minimum value display Voltage Current Active Power and Apparent Power ranges Display Backlight White color 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 approximately 15...

Страница 37: ... 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 38: ...nt 1000A RMS Accurate Specifications Accuracy a reading b digits guaranteed 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 39: ...W 1 50kW 6 00kW 15 00kW 100V 4 00kW 10 00kW 40 00kW 100 0kW 300V 12 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 ...

Страница 40: ...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 41: ...ection voltage 600V RMS Allowable maximum overload protection current 1000A RMS F Reactive Power Var V x A x SIN Current Voltage Current Range 40A 100A 400A 1000A 15V 0 60kVar 1 50kVar 6 00kVar 15 00kVar 100V 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 20 Other ...

Страница 42: ...uring current less than 10A OR Measuring voltage less than 45V For reference only Remarks Allowable maximum overload protection voltage 600V RMS Allowable maximum overload protection current 1000A RMS Remarks Allowable maximum overload protection voltage 600V RMS Allowable maximum overload protection current 1000A RMS I Active Energy kWh Range 1 9999kWh Accuracy 3 2 Resolution 0 001kWh ...

Страница 43: ...uction 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 Turn the Meter off when not in u...

Страница 44: ...ds are disconnected 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 Meter s front case face down Remove the screw from the battery door and separate the battery door from the case bottom Take out the old battery and replace with 4 x 1 5V batteries...

Страница 45: ...9490 OPERATING MANUAL C This operating manual is subject to change without notice Copyright 2012 All rights reserved Manufacturer Tenma Test Equipment 405 S Pioneer Blvd Springboro OH 45066 http www tenma com ...

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