This product is a hand-held, easy-to-use, 3 1/2-digit (1999 reading), solidly designed digital lux meter designed for one-handed operation. The illuminance unit of this product is measured in two units of lux (lux) and fc (foot candle), and it is equipped with a display backlight reading function and a peak lock function (PEAK-HOLD, the peak pulse width can only be locked if the peak pulse width is more than 50ms) ) and reading lock function (DATA-HOLD).

Display: 3 1/2 digit liquid crystal display (LCD) display, the maximum reading value is 1999.
Overload indication: "OL" display.
Low battery indication: When the battery voltage is lower than the normal operating voltage , the "
" symbol will be displayed.
Measurement rate: 2.5 times/second.
Battery: one standard 9V battery.
(NEDA 1604, IEC 6F22 006P)
Battery Life: The carbon-zinc battery can be used for about 200 hours. (when the display backlight is not in use)
Operating environment: temperature 0°C to 50°C, relative humidity <70%RH.
Storage environment: temperature -20°C to 60°C, relative humidity <80% RH. (Battery must be removed from the lux meter)
Accuracy environment: temperature 23°C±5°C, relative humidity <70%RH.
Dimensions: 19 cm (height) x 6.5 cm (width) x 3.5 cm (thickness).
Teans TASI631 digital illuminance meter weight: about 210 grams (including battery).
Photometric illuminance formula:
1 lux (lux)=1 lumens/m 2 (lumen/meter 2 ) =0.0929 foot-candles (foot-candles)
1 foot-candles (foot-candles)=1 lumens/ft 2 (lumen/foot 2 )=10.764 lux (lux)
Gears: 20lux, 200lux, 2000lux, 20klux, 20fc, 200fc , 2000fc, 20kfc

1. Select the function switch to the required lux (lux) or fc (foot candle)
light) gear (use the "RANGE" switch to select 20lux(fc),
200lux(fc), 2000lux(fc), 20000lux(fc) gears).
2. Take off the protective cover of the illuminance sensor head and put it away.
3. Hold the illuminance sensor head firmly, and make sure that the light source can completely cover the
Cover the cosine correction diffuser plate.
4. Do avoid shadows covering the diffusion plate, the illuminance sensor head has 1.5
The length of the test line in meters can be used for the distance between the observer and the test area
available for application.
5. The reading on the display is the illuminance value to be measured. If you don't know
To measure the illuminance value, you can press the "RANGE" gear key to
the highest gear, and then gradually reduce the gear to get the maximum effective
You can get a very good reading value by changing the number of effective digits.
6. After the measurement, please put the protective cover on the illuminance sensor head to
Prolong the life of the sensor and reduce the aging phenomenon.
