Product Description

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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E

f

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Lu

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/W

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tt Co

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rsio

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F

a

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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.