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ennoLogic eM870M Insulation Multimeter

Table of Contents

5. Maintenance .....................................................................................................................................................42

5.1 General Maintenance ................................................................................................................................................ 42

5.1 Battery Replacement ................................................................................................................................................. 42

5.2 Fuse Replacement ..................................................................................................................................................... 43

6. Accessories........................................................................................................................................................44

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Summary of Contents for eM870M

Page 1: ...eM870M Insulation Multimeter User Manual...

Page 2: ...ennoLogic eM870M Insulation Multimeter Made in China User Manual Version 1 1 Revised 1 5 2018 2018 ennoLogic All rights reserved https ennologic com...

Page 3: ...1 2 Meter Safety Standards 1 1 3 Warnings 2 2 Instrument Description 4 2 1 Features Overview 4 2 2 Main User Elements 5 2 3 LCD Display 10 3 Function Descriptions 13 3 1 General Functions 13 3 1 1 TRU...

Page 4: ...e Measurement 18 3 2 3 DC mV AC mV Measurement 20 3 2 4 Frequency Duty Cycle of Digital Signals and Temperature Measurements 22 3 2 5 Diode and Continuity Tests 24 3 2 6 Resistance Measurement 26 3 2...

Page 5: ...Measurement Specifications 38 4 2 1 AC Voltage 38 4 2 2 DC Voltage 38 4 2 3 AC Current 39 4 2 4 DC Current 39 4 2 5 Resistance 39 4 2 6 Capacitance 40 4 2 7 Diode 40 4 2 8 Frequency of Square Waveform...

Page 6: ...ennoLogic eM870M Insulation Multimeter Table of Contents 5 Maintenance 42 5 1 General Maintenance 42 5 1 Battery Replacement 42 5 2 Fuse Replacement 43 6 Accessories 44...

Page 7: ...scadia Innovations harmless for any and all consequences of the use of this product or application of data from the use of this instrument 1 2 Meter Safety Standards The insulation multimeter eM870M w...

Page 8: ...ause damage to the meter or other equipment Do not use the meter or test leads if they appear to be damaged Do not operate the meter around explosive gas steam vapor or dust Caution when working with...

Page 9: ...ors from any circuit under test turn the meter off and remove test leads from the input terminals Use AAA batteries and make sure to insert them with the proper polarity When measuring voltage or curr...

Page 10: ...w as 0 1 High resolution resistance 0 1 voltage 10 V Digital frequency and sinusoidal frequency measurement as well as duty cycle Capacitance measurements range 0 1nF to 1000 F AC True RMS measurement...

Page 11: ...front panel is shown in Figure 2 1 and its user elements are described below Figure 2 1 1 15 2 3 4 5 6 12 11 7 8 9 10 14 13 uA mA V mV Hz Insulation DMM V INS 50V 1000V Insulation ON OFF INS mA uA COM...

Page 12: ...except for insulation resistance measurement 3 mA A Terminal Connection terminal for the red positive test lead during mA or A current measurements It is also the connection terminal for the black tes...

Page 13: ...mode or temperature mode When the rotary switch is set to position Diode Continuity press the SELECT key to select either diode or continuity mode For all other measurement functions pressing this key...

Page 14: ...Hz DUTY key will turn on the frequency measurement mode In this mode the meter will measure and display the frequency of the signal instead of its voltage or current Press this key again to exit frequ...

Page 15: ...y will have no effect When performing insulation resistance measurement use the RANGE key to manually select a test voltage range There is no auto range mode available when measuring insulation resist...

Page 16: ...ennoLogic eM870M Insulation Multimeter Instrument Description 10 2 3 LCD Display Figure 2 2 1 17 5 4 6 7 8 9 10 12 3 13 14 15 16 11 18 19 2...

Page 17: ...current or V and mV for voltage KHz Indicates the measurement unit being either kHz or Hz for frequency MKG Indicates the measurement unit being M k G or for resistance 2 The meter is in Diode Test m...

Page 18: ...ange mode in which the user manually selects the appropriate measurement range 14 2500V 1000V Indicates the applied test voltage when performing insulation resistance measurements either 50V 100V 250V...

Page 19: ...auto range options It defaults to auto range mode when turned on In auto range mode the meter selects the best range for the input detected This allows you to switch test points without having to res...

Page 20: ...erage Value Measurements Press the MAX MIN key to enter the maximum minimum average value mode The meter will continuously track and update the maximum minimum or average values based on which of the...

Page 21: ...h if the meter remains idle for a long time otherwise it will drain the batteries 3 1 5 Low Battery Voltage Detection When the meter detects that its battery voltage drops below 6 8V the LCD will disp...

Page 22: ...n auto range mode and the test probes should be disconnected from the measured circuit immediately 5 By pressing the RANGE key it is possible to select a desired range manually The display will show w...

Page 23: ...tions 17 AC Voltage Measurement Warning Do not attempt to measure voltages above 1000V uA mA V mV Hz Insulation DMM V INS 50V 1000V Insulation ON OFF INS mA uA COM V Hz CAT II 1000V CAT III 600V 500mA...

Page 24: ...eds the meter s range 1000V in auto range mode and the test probes should be disconnected from the measured circuit immediately 5 By pressing the RANGE key it is possible to select a desired range man...

Page 25: ...19 DC Voltage Measurement Figure 3 2 Warning Do not attempt to measure voltages above 1000V uA mA V mV Hz Insulation DMM V INS 50V 1000V Insulation ON OFF INS mA uA COM V Hz CAT II 1000V CAT III 600V...

Page 26: ...displays OL it indicates that the measured voltage exceeds the meter s range in this mode and the test probes should be disconnected from the measured circuit immediately 6 By pressing the RANGE key...

Page 27: ...eter Function Descriptions 21 DC mV AC mV Measurement Figure 3 3 uA mA V mV Hz Insulation DMM V INS 50V 1000V Insulation ON OFF INS mA uA COM V Hz CAT II 1000V CAT III 600V 500mA MAX INSULATION mV MAX...

Page 28: ...e black plug to the COM terminal 3 Press the Hz Duty key to select frequency Hz or duty cycle measurement mode 4 For frequency and duty cycle measurements connect the test leads probes to the circuit...

Page 29: ...tions 23 Frequency Duty Cycle of Digital Signals and Temperature Measurements Figure 3 4 uA mA V mV Hz Insulation DMM V INS 50V 1000V Insulation ON OFF INS mA uA COM V Hz CAT II 1000V CAT III 600V 500...

Page 30: ...to the anode of the diode and the red probe to its cathode OL appearing on the display will indicate normal diode function If the display doesn t show OL the diode has a high reverse leakage current 5...

Page 31: ...eter Function Descriptions 25 Diode and Continuity Tests Figure 3 5 uA mA V mV Hz Insulation DMM V INS 50V 1000V Insulation ON OFF INS mA uA COM V Hz CAT II 1000V CAT III 600V 500mA MAX INSULATION MAX...

Page 32: ...ect a desired range manually The display will show what range is currently active keep pressing the RANGE key to cycle through the available ranges If the meter displays OL while in manual range mode...

Page 33: ...imeter Function Descriptions 27 Resistance Measurement Figure 3 6 uA mA V mV Hz Insulation DMM V INS 50V 1000V Insulation ON OFF INS mA uA COM V Hz CAT II 1000V CAT III 600V 500mA MAX INSULATION MAX M...

Page 34: ...d the displayed capacitance value The capacitance measurement range is 0 1nF 1000 F If the capacitance value is 1000 F the meter will display OL and if it s 0 1nF it will display zero 6 By pressing th...

Page 35: ...OFF INS mA uA COM V Hz CAT II 1000V CAT III 600V 500mA MAX INSULATION MAX MIN LIGHT Hz Duty BEEP RANGE HOLD Warning To avoid electrical shock and or damage to the instrument disconnect the circuit po...

Page 36: ...t path to be tested 6 Connect or touch the black probe to the negative side of the break and connect or touch the red probe to the positive side of the break Reversing the leads will give a negative r...

Page 37: ...ultimeter Function Descriptions 31 DC A AC A Measurement Figure 3 8 uA mA V mV Hz Insulation DMM V INS 50V 1000V Insulation ON OFF INS mA uA COM V Hz CAT II 1000V CAT III 600V INSULATION i i MAX MIN L...

Page 38: ...circuit path to be tested 6 Connect or touch the black probe to the negative side of the break and connect or touch the red probe to the positive side of the break Reversing the leads will give a neg...

Page 39: ...ltimeter Function Descriptions 33 DC mA AC mA Measurement Figure 3 9 uA mA V mV Hz Insulation DMM V INS 50V 1000V Insulation ON OFF INS mA uA COM V Hz CAT II 1000V CAT III 600V INSULATION i i MAX MIN...

Page 40: ...G Note There is no auto ranging when performing insulation resistance measurements Warning After pressing the TEST key the meter will generate a high voltage of up to 1000V Do not touch the leads or p...

Page 41: ...z Insulation DMM V INS 50V 1000V Insulation ON OFF INS mA uA COM V Hz CAT II 1000V CAT III 600V 500mA MAX INSUL uA mA MAX MIN LIGHT Hz Duty BEEP RANGE HOLD Warning When using this function the meter g...

Page 42: ...ing the Hz Duty key However the signal must meet certain requirements regarding amplitude depending on the selected measurement range See Table 3 1 for detailed specifications 2 If the rotary switch i...

Page 43: ...diode resistance or capacitance the maximum overload protection voltage will be 250V effective value When set to A or mA the overload protection current will be 0 64A Over range indication OL Fuse Pro...

Page 44: ...ity of less than 80 The accuracy is stated as xx of reading x number of lower digits 4 2 1 AC Voltage Notes above accuracies can be guaranteed within 10 100 of the full range 4 2 2 DC Voltage Range Re...

Page 45: ...ies can be guaranteed within 10 100 of the full range 4 2 4 DC Current Range Resolution Accuracy Voltage Drop 500 A 0 1 A 0 2 2 102 V A 5000 A 1 A 0 2 2 50mA 10 A 0 2 2 1 5mV mA 500mA 0 1mA 0 2 2 Note...

Page 46: ...capacitors of better quality 4 2 7 Diode Range Resolution Accuracy 2 5V 1mV 1 5 Notes the test current is approximately 0 7mA 4 2 8 Frequency of Square Waveforms Frequency Range Sensitivity Resolutio...

Page 47: ...or low frequency 4 2 11 Duty Cycle Frequency Range Duty Cycle Range Resolution Accuracy 5Hz 500KHz 5 95 0 01 0 02 4 2 12 Insulation Resistance Test Voltage Resistance Range Resolution Accuracy 50V 50K...

Page 48: ...the case Periodically wipe the case with a damp cloth and mild detergent Do not use abrasives or solvents Dirt or moisture in the terminals can affect readings Stop using this instrument if you find a...

Page 49: ...ry replace the fuse only with a fuse of the correct ratings Use a screwdriver to unlock the four screws on the rear cover Remove the rear cover from the meter 1 Remove the fuse by gently prying it out...

Page 50: ...Multimeter Accessories 44 6 Accessories Package Contents Insulation Multimeter eM870M 1x Pair of test leads with probes 1x Pair of test leads with alligator clips 1x Thermocouple Probe 6x AAA Batterie...

Page 51: ......

Page 52: ...ennoLogic com PO Box 25207 Eugene OR 97402...

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