48
6. APPENDIX
SPECIFICATIONS AND PERFORMANCE
■
IM-600/IM-600M Specifications and performance
IM-600
IM-600M
Measurement range
0.005
～
999000lx
(0.005
～
92807fc)
Auto/manual 6-step range
Display
4-digit LCD Read
Linearity
± 2% of rdg.; ± 1 digit (Auto range)
Cosine Response f
2
±3% or less
±3% or less
V(
λ
) Mismatch f
1
’
(Deviation from spectral
luminous efficacy)
6% or less
UV Response u
2% or less
IR Response r
2% or less
Fatigue f
F
±1% or less
Temperature Dependence f
6
Within ±3% (-10 to 40
C; against 23
C)
Humidity Test f
H
Within ±3%
Characteristics for intermittent
light : f
C
±2% or less
Analog signal output
0
– 1998mVmax
Interface
USB (Virtual COM port)
Power supply
AA battery
2
Operating conditions
Temperature: -10 to +40
C
Humidity: 85% RH or less
Dimensions
Approx. 188
65
34 mm
(without protruding portion)
Approx. 188
65
34 mm
(without protruding portion)
Sensor: φ16
21mm
Cable
：
1m
Weight
Approx. 200 g (excluding
batteries)
Approx. 230g (including sensor
unit, excluding batteries)
Reference plane
Surface of the front case
The tip of detector window
Responsivity uniformity of the
detector
The responsivity of the detector are not even whole area of the
surface.
Effective distance for range
Inverse square law
50cm or longer from the reference plane
Detection element
Silicon photodiode
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