Alpha AIG-331 (Horiba IG-331) Specifications
Optical system
60° measurement: Incident angle 60°, Reception angle 60°. 20° measurement: Incident angle 20°, Reception angle 20°.
Measuring area
60° measurement 3*6mm oval 20° measurement 3*4mm oval
Light source
LED (wavelength: 890 nm)
Detector
SPD (silicone photodiode)
Measuring range
0-100
Display range
0-199 (resolution: 1)
Repeatability
±5% F.S. ±1 digit
Power Source
A3 dry cell battery *4
Battery life
50 hours or more continued operation
Operating temperature
10 ~ 40°C
Dimensions
Main body: 140 (W) * 75 (H) * 34 (D) mm 5.5 (W) * 3.0 (H) * 1.3 (D) in
Optical sensor: 88 (W) * 30 (H) * 45 (D) mm 3.5 (W) * 1.2 (H) * 1.8 (D) in
Weight
Approx. 350g (with batteries)
Additional functions
Automatic calibration Automatic power off Display hold Overrange display Battery status