Martindale MARCM87 Clamp Meter, Max Current 1.5kA ac, 2kA dc CAT II 1000 V; 10 A, CAT III 1000 V; 10 A, CAT IV 600 V

  • RS Stock No. 865-4743
  • Mfr. Part No. MARCM87
  • Manufacturer Martindale
Technical data sheets
Legislation and Compliance
RoHS Status: Not Applicable
COO (Country of Origin): TW
Product Details

Martindale CM87 High Current AC/DC True RMS

The CM87 can measure AC / DC current and can also measure AC / DC voltage plus testing procedures for resistance, capacitance, frequency, duty cycle, type K thermocouple temperature, continuity and diode.

Large size clamp meter with 57mm jaws
True RMS technology ensures accuracy on irregular waveforms
Tests AC current to 1500A and DC current to 2000A
AC voltage measurements to 750V and DC current measurements to 1000V
Tests resistance levels to 66MΩ
Capacitance measurements to 6.6mF
Frequency testing to 1MHz
Duty cycle from 5 to 95%
Temperature measurement using type K thermocouple (included) up to 1000°C (1832°F)
660Ω continuity test
Diode testing
6600 count LCD display with bargraph


CAT IV 600V and CAT III 1000V rated (or CAT II 1000V rated with probe tip caps removed)

Supplied with

CM87 Clamp Meter, carrying Case, TL16 test leads, type K Thermocouple, 9V PP3 Battery (installed), instructions.

Attribute Value
Absolute Maximum AC Current Measurement 1.5kA ac
Absolute Maximum DC Current Measurement 2kA dc
Absolute Maximum AC Voltage Measurement 750V ac
Absolute Maximum DC Voltage Measurement 1000V dc
Absolute Maximum Resistance Measurement 66MΩ
Model Number MARCM87
AC Current Measurement Resolution 100mA
DC Current Measurement Resolution 100mA
Best DC Current Accuracy ±(2% rdg + 5dgts)
Clamp Meter Type Multifunction Clamp
Best AC Current Accuracy ±(2% rdg + 10dgts)
Best AC Voltage Accuracy ±(1.5% rdg + 8dgts)
Best DC Voltage Accuracy ±(0.5% rdg + 2dgts)
Functions Measured AC Current, AC Voltage, Capacitance, DC Current, DC Voltage, Frequency, Resistance, Temperature
Safety Category Voltage 600 (CAT IV) V, 1000 (CAT II & CAT III) V
Weight 585g
Maximum Operating Temperature +40°C
Safety Category CAT II 1000 V; 10 A, CAT III 1000 V; 10 A, CAT IV 600 V
Jaw Capacity Busbars 57mm
Height 281mm
Best Resistance Measurement Accuracy ±1.0% + 5 Digits
Resistance Measurement Resolution 100mΩ
Dimensions 108 x 53 x 281mm
Safety Category Level CAT II, CAT III, CAT IV
Temperature Measurement Resolution 1°C
DC Voltage Measurement Resolution 1mV
Battery Life 75 h
Absolute Maximum Temperature Measurement +1000°C
Maximum Conductor Size 57mm
Length 108mm
Display Type Bar Graphs, LCD
Power Source Battery
True RMS Yes
Width 53mm
Best Temperature Measurement Accuracy ±1.0% + 2 Digits
AC Voltage Measurement Resolution 1mV
Minimum Operating Temperature 0°C
Battery Type 9V
1 In stock for delivery within 5 working day(s)
Price (ex. GST) Each
$ 684.71
(exc. GST)
$ 787.42
(inc. GST)
Per unit
1 +
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