EX830 datasheet(6/13 Pages) EXTECH

Part #	EX830

Description	1000 Amp Clamp Meters with IR Thermometer

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Manufacturer	EXTECH [Extech Instruments Corporation.]

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EX800 Series Version 3.2 8/07

6

Accuracy (% of reading + digits)

Function

Range and

Resolution

EX810

EX820

EX830

-4 to 1400

oF

NA

± (3%rdg + 9

oF)

± (3%rdg + 9

oF)

Temperature

(type-K)

-20 to 760

oC

NA

± (3%rdg + 5

oC)

± (3%rdg + 5

oC)

-58 to -4

°F

± 9 °F

-4 to 518

°F

±2.0% reading or

± 4°F

whichever is >

±2.0% reading or

± 4°F

whichever is >

±2.0% reading or

± 4°F

whichever is >

-50 to -20

°C

±5°C

Temp

(IR)

-20 to 270

°C

±2.0% reading or

±2°C

whichever is >

±2.0% reading or

±2°C

whichever is >

±2.0% reading or

±2°C

whichever is >

General Specifications

Clamp jaw opening

1.7" (43mm) approx.

Display

3-3/4 digits (4000 counts) backlit LCD

Continuity check

Threshold 40

Ω; Test current < 0.5mA

Diode test

Test current of 0.3mA typical;

Open circuit voltage < 3VDC typical

Low Battery indication

Battery symbol is displayed

Over-range indication

‘OL’ display

Measurement rate

2 readings per second, nominal

PEAK

Captures peaks >1ms

Thermocouple sensor

Type K thermocouple required

IR Spectral response

6 to 16µm

IR Emissivity

0.95 fixed

IR distance ratio

8:1

Input Impedance

10M

Ω (VDC and VAC)

AC bandwidth

50 to 400Hz (AAC and VAC)

AC response

True rms (AAC and VAC) on EX820 & EX830

Crest Factor

3.0 in 40A and 400A ranges, 1.4 in 1000A range (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. 25 minutes

Dimensions & Weight

10.6x4.3x2” (270x110x50mm); 13.6 oz. (386g)

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.

Patent notice

U.S. Patent 7163336

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