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