User Manual

MA640 V2.1 07/08

Genera

l Specifications

Clamp jaw opening 1.5" (40mm) approx.

Display 6000 count backlit LCD

Continuity check Threshold 60Ω; Test current < 0.35mA

Diode test Test current of 0.9mA typical;

Open circuit voltage [ 2.8VDC typical

Low Battery indication Battery symbol is displayed

Over-range indication ‘OL’ display

Measurement rate 2 readings per second, nominal

Thermocouple sensor Type K thermocouple required

Input Impedance 10MΩ (VDC and VAC)

AC current bandwidth 50/60Hz

AC voltage bandwidth 50 to 400Hz

AC response True rms (AAC and VAC)

Crest Factor 3.0 in 60A and 600A ranges, (50/60Hz and 5% to 100% of

range)

Operating Temperature 41°F to 104°F (5°C to 40°C)

Storage Temperature -4°F to 140°F (-20°C to 60°C)

Operating Humidity Max 80% up to 87°F (31°C) decreasing linearly to 50% at

104°F(40°C)

Storage Humidity <80%

Operating Altitude 7000ft. (2000meters) maximum.

Battery One (1) 9V Battery (NEDA 1604)

Auto power OFF After approx. 15 minutes, with disable

Dimensions & Weight 9.2x3x1.53” (232x77x39mm); 9.56 oz. (271g)

Safety 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.

Approvals CE,

Cop