Clamp Meter: Martindale CM54 AC0 pages
Specication
CM54 Clamp Meter
Display: 3½ digit 21mm large LCD, maximum reading 1999
with function and units sign annunciators.
Polarity: Automatic, positive implied, negative indicated.
Over Range Indication: (OL) is displayed.
Low Battery Indication: The “” is displayed when the battery
voltage drops below accurate operating level.
Display Update Rate: 2.5 per second, nominal
Operating Environment: 0°C to 50°C at <70% Relative
Humidity.
Storage Environment: -20°C to 60°C at <80% Relative
Humidity with battery removed from meter.
Temperature Coefcient: 0.1 X (specied accuracy) / °C
(<18°C or >28°C)
Altitude: 2000M max
Power: Standard 9-volt battery, NEDA 1604, IEC 6F22, JIS
006P, PP3
Battery Life: 300 hours typical with alkaline battery.
Audible Threshold
Open Circuit Volts
Response Time
Jaw Opening Capability: 57mm conductor, 70 X 18mm bus
bar.
Less than 75
3.0Vdc typical
~500msec
Size (H x W x D): 189 x 87 x 37mm
Continuity Test
Overload Protection: 500v DC or AC rms
Weight: Approx. 540grams (including battery)
DC Volts
* Accuracy is given as ± ([% of reading]+[number of least
signicant digits]) at 18°C to 28°C with relative humidity up
to 70%.
Range
Resolution
Accuracy
Input Impedance
1000V
1V
±(0.5% rdg +1d)
10M
Overload protection: 1000VDC / 750V AC RMS
AC Volts (Average sensing RMS indicating)
Range
Resolution
Accuracy
Input Impedance
750V
1V
±(1.5% rdg +4d)
4.5M
AC Current (Average sensing RMS indicating)
Range
Resolution
200A
100mA
1000A
1A
Accuracy
0-600A±(1.5% rdg+5d)50-60Hz
>600A±(2.0% rdg+5d)50-60Hz
0-600A±(3.0%rdg+5d)61-400Hz
>600A±(3.5%rdg+5d)61-400Hz
Overload Protection: 1200A for 60 seconds Maximum
Resistance
Range
Resolution
Accuracy
Open Circuit Volts
200
20k
20M
2000M
0.1
10
10k
1000k
±(1.2% rdg+4d)
±(1.0% rdg+3d)
±(2.0% rdg+5d)
±(5% rdg+10d)
3.0Vdc
0.3Vdc
0.3Vdc
3.0Vdc
Overload Protection: 500v DC or AC RMS
Due to policy of continuous development, Martindale Electric reserves the right to alter equipment specication and description outlined in this document without prior notice. No part of this
document shall be deemed to be part of any contract for the equipment unless specically referred to as an inclusion within such contract. © Martindale Electric Co. Ltd. 2010
Martindale Electric Company Ltd.
Metrohm House, Penfold Trading Estate, Imperial Way, Watford, WD24 4YY. Tel: 01923 441717 Fax: 01923 446900
sales@martindale-electric.co.uk www.martindale-electric.co.uk Rev 4