Measuring function

Illumination and temperature, difference value,

max value, min value of illumination

Main parts of photometer

head

Photodiode+cosines corrector+correction filter

Temperature probe

NTC thermistor

Illuminance

measuring range

Total measuring range:0~200,000 Lux,into

four ranges

×1：0 ~ 199.9 Lux

×10：200 ~ 1999.9Lux

×100：2000 ~ 19999.9Lux

×1000：20000 ~200000Lux

Temperature

measuring range

-9.9℃ ~ 49.9℃

Illuminance

accuracy

±3%rdg (below 10000 Lux);

±4%rdg (above 10000 Lux)

Temperature accuracy

±1.0 ℃

Units of illuminance

and temperature

Four combinations of units are available.

Lux/℃

Lux/℉

FC/℃

FC/℉

Storage of

illumination data

Automatic

storage

Max number of data groups is
1000, and storage cycle is set by
APP.

Manual

storage

Max number of data groups is 67,

and whether to store data is

deceived by manual operation.

Operating temperature/

humidity

0 ~ 40℃，10 ~ 90%RH

Storage temperature/

humidity

-10 ~ 50℃，10 ~ 90%RH

LCD screen update

2 times/s

Power source

3* 1.5V AAA batteries

Battery life

About 200 hours(consecutive working time

without turning on Bluetooth and backlight)