Extech Instruments 42582, User Manual

Page: 10 / 14

Model 42582 Version 6.0 Sept 2007 10
Specifications
General Specifications
Display Backlit Multi-function LCD
Over range indication "-------" appears on the LCD
Printer 38mm Printer
PC Interface RS-232C (TTL level)
Datalogger memory 12,000 readings
Low battery indication Battery symbol appears on the LCD
Power supply Four (4) 1.5V ‘AA” batteries or optional 9V (1000mA) adapter
Operating current 500mA (printing), 6mA (IR active), 2mA (IR standby)
Auto Power OFF Adjustable from 1 to 20 minutes
Operating Temperature 32 to 122
o
F (0 to 50
o
C)
Operating Humidity 90% Relative Humidity maximum
Dimensions/Weight 8.2 x 2.8 x 2.1” (208 x 70 x 53mm) / 9.2 oz. (260g) with battery
IR Measurement Specifications
IR Measurement ranges -40 to 932
o
F (-40 to 500
o
C)
Accuracy: -4 to 749ºF (-20 to 399
o
C); ±(2% of r 2 digit) or
±4ºF/2ºC (whichever is greater)
-40 to -3ºF (-40 to -19
o
C); ±6ºF/3ºC
750ºF to 932ºF (400 to 500
o
C); ±(4% of r 2 digit)
Resolution 0.1
o
for displays <212
o
, otherwise 1
o
Repeatability ±1
o
IR distance ratio 8:1
Response time 0.2 seconds
Emissivity Adjustable from 0.3 to 1.0
External Probe Measurement Specifications
Probe Measurement range -4 to 302
o
F (-20 to 150
o
C)
Accuracy: -4 to 32ºF (-20 to 0
o
C); ±2.2ºF (1.2ºC)
33 to 122ºF (1 to 50
o
C); ±1.4ºF (0.8ºC)
123 to 212ºF (51 to 100
o
C); ±2.8ºF (1.6ºC)
213 to 302ºF (101 to 150
o
C); ±5.4ºF (3ºC)
Resolution 0.1
o
for displays <212
o
, otherwise 1
o
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