MA640 Datasheet, PDF (12/12 Pages) Extech Instruments Corporation. – 600Amp AC/DC True RMS Clamp Meter

General Specifications
Clamp jaw opening
Display
Continuity check
Diode test
Low Battery indication
Over-range indication
Measurement rate
Thermocouple sensor
Input Impedance
AC current bandwidth
AC voltage bandwidth
AC response
Crest Factor
Operating Temperature
Storage Temperature
Operating Humidity
Storage Humidity
Operating Altitude
Battery
Auto power OFF
Dimensions & Weight
Safety
Approvals
1.5" (40mm) approx.
6000 count backlit LCD
Threshold 60Ω; Test current < 0.35mA
Test current of 0.9mA typical;
Open circuit voltage [ 2.8VDC typical
Battery symbol is displayed
‘OL’ display
2 readings per second, nominal
Type K thermocouple required
10MΩ (VDC and VAC)
50/60Hz
50 to 400Hz
True rms (AAC and VAC)
3.0 in 60A and 600A ranges, (50/60Hz and 5% to 100% of
range)
41°F to 104°F (5°C to 40°C)
-4°F to 140°F (-20°C to 60°C)
Max 80% up to 87°F (31°C) decreasing linearly to 50% at
104°F(40°C)
<80%
7000ft. (2000meters) maximum.
One (1) 9V Battery (NEDA 1604)
After approx. 15 minutes, with disable
9.2x3x1.53” (232x77x39mm); 9.56 oz. (271g)
For indoor use and in accordance with the requirements for
double insulation to IEC1010-1 (2001): EN61010-1 (2001)
Overvoltage Category III 600V and Category II 1000V,
Pollution Degree 2.
CE,
Support line [phone]
Technical support: Extension 200; E-mail: [e-mail]
Repair & Returns: Extension 210; E-mail: [e-mail]
Product specifications subject to change without notice
For the latest version of this User’s Guide, Software updates, and other
up-to-the-minute product information, visit our website: www.extech.com
Copyright © 2008 Extech Instruments Corporation (a FLIR company)
All rights reserved including the right of reproduction in whole or in part in any form.
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MA640 V2.1 07/08