Model 42580 Version 2.2 11/03
2
Introduction
Congratulations on your purchase of the Extech 42580 IR Thermometer Printer-
Datalogger. This device measures temperature using a non-contact IR sensor. The
Datalogger feature stores up to 100 readings in each set (4 sets total) for a total of 400
readings. The Printer provides a hard copy of individual readings or entire data sets. PC
software permits downloading of data for further analysis. Careful use of this meter will
provide years of reliable service.
Specifications
Display Backlit Multi-function LCD
IR Measurement ranges -40 to 932
o
F (-40 to 500
o
C)
Accuracy: -4 to 932ºF (-20 to 500
o
C); ±2% of reading or ±4ºF/2ºC
(whichever is greater)
-40 to -4ºF (-40 to 20
o
C); ±6ºF/3ºC
Resolution 0.1
o
for displays <100
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
Datalogger memory 400 readings (0-99 readings in each of 4 sets)
Over range indication "-------" appears on the LCD
Printer 38mm Printer
PC Interface RS-232C (TTL level)
Low battery indication Battery symbol appears on the LCD
Power supply Four (4) 1.5V ‘AA” batteries or optional 6V (1000mA) adapter
Operating current 500mA (printing), 6mA (IR active), 2mA (IR standby)
Auto Power OFF After 10 seconds
Operating Temperature 32 to 122
o
F (0 to 50
o
C)
Operating Humidity 90% Relative Humidity max.
Dimensions/Weight 8.2 x 2.8 x 2.1” (208 x 70 x 53mm) / 9.2 oz. (260g) with battery
