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EX830 Datasheet(PDF) 6 Page - Extech Instruments Corporation. |
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EX830 Datasheet(HTML) 6 Page - Extech Instruments Corporation. |
6 / 13 page 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 ± 9 °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 ±5°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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