Infrared Thermometer ST-640 / ST-642

Model	ST-640	ST-642
Measuring range	-32°C-535°C(-25-999°F)
Accuracy	± 3.0°C(± 5°F) from -32- -20°C (-25 - 4°F), ± 2.0°C(± 3°F) from  -20 - 100°C (-4 - 211°F), ± 2% from 100-760 °C (212-1400°F)
thermopile	5-14µm
Repetition rate	± 1°C or 2°F
Analyzing degree	0.1°C/ 0.1°F
Response	500ms
Emissivity	0.95 fixed	0.1 - 1.0 adjustable
Distance coefficient	12:1
Working environmont	0-50°C (32-122°F), 10-90%RH
Auto power off	Auto power off after 6 seconds of no operation
℃/℉ change	YES
Back light	YES
CIS color recognition system	YES
Lasier cutting	YES
Max./Min./Average/Changes	YES
10 groups of measurment	NO
Alart	YES
Auto measuring	YES
Thermcouple (K-type)	NO	YES
E-smart	NO	YES
Dual display	YES
Tripod keyhole	YES
Dimension	180×65×40 mm
Weight	185 g	190 g