Fluke 574 精密红外测温仪

 -30 to 900°C

 (-25 to 1600 °F)

 0.1°C of reading up to 900°C

 0.2°F of reading up to 999.8°F

 60:1 Standard focus

 50:1 Close focus

 19mm (0.76 in) Standard focus

 6mm (0.24 in) Close focus

 Three point coaxial laser

 Digitally adjustable from 0.10 to 1.0 by 0.01

 ±0.75% of reading

 ±1% of reading or ±0.75°C (±1.5°F), whichever is greater

 250 mSec (95% of reading)

 ±0.5% of reading or ±1°C (±2°F), whichever is greater

 8 µm to 14 µm

 Laser turns off above ambient temperature of 40°C (104°F)

 Class 2(II) operation; Output <1mW, wavelength 630-670 nm

 10% to 90% RH non-condensing, at <30°C (86°F)

 ¼ in. 20 UNC threading

 2 AA batteries/ AC adapter

 13 hours with laser and backlight on 50%

 7 seconds

 Yes

 2 years

 0°C to 50°C

 32°F to 120°F

 -20°C to 50°C

 -25°F to 120°F

 Yes

 Yes

 High and low

 Yes

Data only

Data only