Digital illuminance meter Beijing Normal University illuminance testing instrument

ST-80C digital illuminance meter

Features:

*LCD digital display.

*Silicon photodetectors have undergone strict calibration for their spectral and angular characteristics.

*Wide measurement range and high accuracy.

*There is a numerical retention function.

*Micro metering probe.

*Easy to operate and convenient to use.
ST-80C digital illuminance meterTechnical Indicators:

*Measurement range: (0.1)～199.9×103）lx

*Relative indication error: ± 4% ± 1 word

*V (λ) matching error: f1≤6 %

*Cosine characteristic error: f2≤4 %

*Response time: 1 second

*Errors in nonlinearity, gear shifting, fatigue characteristics, etc.:

All comply with the first level illuminance meter standard

*Usage environment:

Temperature (0～40）℃； Humidity<85% RH

*Size and weight:

180mm×80mm×36mm； 0.2kg

*Power supply:

One 6F22 type 9V laminated battery

ST-86LA screen brightness meter (automatic)type）

The ST-86LA screen brightness meter is a portable automatic range testing instrument. It adopts SMT surface mount technology, selects high-precision and low-power digital chips, has a streamlined design for the instrument housing, and the detector has undergone strict spectral and angular characteristic correction, with stable performance and strong applicability. It is designed to measure the brightness of various fluorescent screens and transmission screens, and has a wide range of applications in television, medical X-ray, CRT, electroluminescence, fluorescent substance measurement, and other fields.

Main Features：

*Spectral and angular characteristics have been rigorously calibrated

*Digital LCD display with backlight

*Manual/automatic range switching

*Digital output interface (optional function)

*Low battery reminder

*Automatic delayed shutdown

*There are numbers to keep

*Tap the button to operate, beep for prompt

Main technical indicators：

*Zui small resolution: 10-2 cd/m2

*Measurement upper limit: 19990 cd/m2

*Relative indication error: ± 5%

*V (λ) matching error: f1≤ 6%

*Response time:<1 second

*Errors in nonlinearity, gear shifting, fatigue characteristics, etc.:

All meet the standards of a first level brightness meter

*Usage environment:

Temperature (0~40) ℃; Humidity<85% RH

*Size and weight:

160mm×78mm×43mm； 0.2kg

*Power supply:

One 6F22 type 9V laminated battery

The overall power consumption is less than 0.1VA

Shanghai Tongbei Testing Technology Co., LtdWelcome:

Electricity Words:

Mobile phone:

Business: 1470210137

Website:www.sh-tongbei。。 ｃｎ

net Address:www.tongbeijc。。 ｃｏｍ

ST-86LA screen brightness meter (manual)Type brightness tester）

The ST-86LA screen brightness meter is designed to measure the brightness of various fluorescent and transmissive screens. It has a wide range of applications in television, medical X-ray, CRT, electroluminescence, fluorescent substance measurement, and other fields.

Features:

*LCD digital display.

*Silicon photodetectors have undergone strict calibration for their spectral and angular characteristics.

*Wide measurement range and high accuracy.

*There is a numerical retention function.

*Micro metering probe.

*Easy to operate and convenient to use.

Technical Indicators:

*Measurement range:

（0.01～19.99×103） cd/m2；

*Relative indication error:

± 5% ± 1 word

*V (λ) matching error:

f1≤6 %

*Response time:

1 second

*Errors in nonlinearity, gear shifting, fatigue characteristics, etc.:

All comply with the first level illuminance meter standard

*Usage environment:

Temperature (0～40）℃； Humidity<85% RH

*Size and weight:

180mm×80mm×36mm； 0.2kg

*Power supply:

One 6F22 type 9V laminated battery