LIGHT METER
MODEL: 230
Customer Approved By: Prepared By:
CHY FIREMATE CO., LTD.
NO.3 SHENG-LI 1ST STREET, HSIN-TIEN VILLAGE,
JEN-TE HSIANG, TAINAN HSIEN, TAIWAN R.O.C.
TEL: 886-6-2794811 FAX: 886-6-2700227
E-Mail:
chy@ksts.seed.net.tw
Ver. 1.2 091310
Bruce Hsieh
Engineer Manager
CHY
FEATURES
MAX/MIN/AVG and HOLD functions.
Auto-power off.
Backlight function.
Protective cap for safe storage.
Attached with carrying strap.
Storage temperature:
-20°C to 50°C, 0 to 80% R.H. with battery removed from
meter.
Low battery indication:
The “
” is displayed when the battery voltage drops
below the operating level.
Battery:
1.5Vx2pcs AAA size.
Dimensions:
24.7mm(T) x 50.9mm(W) x 132.9mm(H).
Weight:
Approx. 116g including batteries.
SPECIFICATIONS
Operating environment:
0°C to 50°C at <70% R.H.
Range:
0 to 200000 lux, 0 to 18580 fc
Units:
lux, fc
Resolutions:
1 lux(0 to 19999), 10 lux(20000 to 200000)
1 fc (0 to 18580)
Spectral response:
CIE photopic.
Total accuracy for CIE standard illuminant A (2856K):
±(3%rdg + 10dgts)
Spectral angle:
ƒ′
1
< 8%.
Acceptance angle:
ƒ′
2
<2% cosine corrected (150°)
Lu
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Wavelength in Nanometers
C
IE Photop
i
c
C
urv
e
0
0
20
136.6
40
273.2
60
409.8
80
546.4
100
683
(%)
380 420 460 500 540 580 620 660 700 (nm)
BLUE
GREEN
IR
UV
RED
Accuracy:
Stated accuracy at 23°
C±5°C, <70% R.H.
Temperature Coefficient:
0.1 times the applicable
accuracy specification per °C
out of 18°C to 28°C(64°F
to 82°F).
Measurement rate:
1 time/second.
