Specifications Overview:
The document provides detailed specifications for the CM82 and CM84 digital clamp meters. All specified accuracies are valid at 23°C ± 5°C and less than 70% relative humidity for one year. The temperature coefficient is 0.1 times the specified accuracy per °C within the range of 0°C to 18°C and 28°C to 50°C.

DC Voltage:
- Range: 400mV to 1000V
- Resolution: 0.1mV to 1V
- Input Impedance: >100M to 9.1M
- Accuracy: 0.5% + 2 digits
- Overload Protection: 1000V DC or 750V AC rms

AC Voltage:
- Range: 400mV to 750V
- Resolution: 0.1mV to 1V
- Input Impedance: >100M to 9.1M
- Accuracy: 1.5% + 5 digits
- Overload Protection: 1000V DC or 750V AC rms

AC Current:
- Range: 40A to 1000A
- Resolution: 0.01A to 1A
- Accuracy varies with frequency and current range
- Overload Protection: 1000A AC rms

DC Current (CM84 only):
- Range: 400A to 1000A
- Resolution: 0.1A to 1A
- Accuracy: 2.0% + 5 digits
- Overload Protection: 1000A DC

Resistance:
- Range: 400Ω to 40MΩ
- Resolution: 0.1Ω to 0.01MΩ
- Accuracy: 1.0% + 5 to 3.5% + 5 digits
- Overload Protection: 600V DC or AC rms

Capacitance (CM82 only):
- Range: 4nF to 4mF
- Resolution: 0.001nF to 0.001mF
- Accuracy: 3.0% + 15 to 5.0% + 10 digits
- Overload Protection: 600V DC or AC rms

Frequency:
- Range: 4kHz to 1MHz
- Resolution: 0.001kHz to 0.001MHz
- Accuracy: 0.1% + 3 digits
- Overload Protection: 600V DC or AC rms

Continuity and Diode Test:
- Continuity: Audible indication with a response time of approx. 500ms
- Diode Test: Test current of 0.8mA with an accuracy of 1.5% + 5 digits
- Overload Protection: 600V DC or AC rms

General Features:
- Display: 4000 count LCD, updates 2/sec
- Power: 9V battery, with auto power off after 10 minutes
- Dimensions and Weight: CM82 - 279 x 103 x 53mm, 515g; CM84 - 281 x 108 x 53mm, 570g
- Includes carrying case, test leads, and battery

Environmental and Safety:
- Operating Temperature: 0°C to 50°C
- Storage Temperature: -20°C to 60°C
- Altitude: Up to 2000m
- Safety Standards: Conforms to BS EN 61010-1 & 61010-2-032, CAT IV 600V, CAT III 1000V
- EMC: Conforms to BS EN 61326-1

Test Leads (TL16):
- Maximum Voltage: 1000V AC/DC
- Maximum Current: 10A continuous
- Safety: Conforms to BS EN 61010-031

Additional Products:
Martindale offers a range of other testing equipment including 17th Edition Testers, Calibration Equipment, and more.