Model AT-520
Insulation resistance
Display 3 1/ 2 Digital , ( 1999 count) LCD with backlight
Temperature range - 50 ° C to 550 ° C ( - 58 ° F to 1.022 ° F )
Accuracy ± 2 ° C
Polarity Automatic ( no indication for positive polarity) , Minus( -) sign for negative polarity
Emissivity 0.95 fixed value
Field of view D/ S = approx 8: 1 ( D= Distance, S = Spot )
Diode Laser Output < mW, Wavelength 630 ~ 670 nm, Class2 ( II) Laser product
Spectral response 6 ~ 670 um
Power Off Automatic shut off after 7 seconds, approx
Operating Temperature 0 ° C to 50 ° C ( 32 ° F to 122 ° F )
Storage Temperature -20 ° C to 60 ° C ( -4 ° F to 140 ° F )
Relative Humidity 10% to 90% RH Operating < 80% RH storage
Power Supply 9 V Battery
Weight 130 g
Size 86 x 46 x 160 mm
Accessories Carrying Case