Extech Instruments EX612 User Manual page 14

General Specifications
Clamp jaw opening
Display
Non-Contact Voltage
Continuity check
Diode test
Low Battery indication
Over-range indication
Measurement rate
Peak detector
Thermocouple sensor
Fuse
Input Impedance
AC bandwidth
AC response
Crest Factor
Operating Temperature
Storage Temperature
Operating Humidity
Storage Humidity
Operating Altitude
Battery
Auto power OFF
Dimensions & Weight
Safety
Approvals
Patent notice
All rights reserved including the right of reproduction in whole or in part in any form
32mm (1.25") approx.
Dual 40,000/4,000 count backlit LCD
100 to 600VAC
Threshold 50; Test current < 0.5mA
Test current of 0.3mA typical;
Open circuit voltage  2.8VDC typical
Battery symbol is displayed
'OL' display
2 readings per second, nominal
>1ms
Type K thermocouple required
200mA/660V, ceramic
10M (VDC and VAC)
50 to 400Hz (AAC and VAC)
True rms (AAC and VAC)
3.0 in 40A and 400A ranges, 1.4 in 1000A range (50/60Hz and 5% to
100% of range)
5C to 40C (41F to 104F)
-20C to 60C (-4F to 140F)
Max 80% up to 31C (87F) decreasing linearly to 50% at 40C
(104F)
<80%
2000meters (7000ft) maximum.
One (1) 9V Battery (NEDA 1604)
After approx. 30 minutes, with disable
241x96x44.5mm (9.5x3.8x1.75"); 386g (13.6 oz)
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
U.S. Patent 7163336
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