$1071.00
SE
DUBAN DB22-UVA/B/C/UVV UV Irradiometer, Multi-band Peak 315-420nm
Peak UV multi-band (315-400) (280-315) (200-280) (340-420), LCD display, Power Measurement range 2.000mW/20.00mW/200.0mW/cm ², Measurement accuracy +/- 5%, resolution 0.1 mW/cm ², standard line length 1 meter.

$515.00
SE
DUBAN DB22-LX261R Optometry luminometer candle range 0~2000FC
X1 gear range 0.01~ 50.00 Lux, X10 gear range 50.00~500.0 Lux, X100 gear range 500.0~20000 Lux, ruler candle range 0~2000 FC, Precision +/- (4% n + 5d).

$293.00
SE
DUBAN DB22-LX262 luminometer Integrated Sensors
X1 gear range 0~4,999 Lux, X1 gear resolution 1Lux, X10 gear range 5,000~49,999 Lux, X10 gear resolution 10Lux, X100 gear range 50,000~500,000 Lux, X100 gear resolution 100Lux, ruler candlelight range 0~20,000 FC, ruler candlelight resolution 1FC

$515.00
SE
DUBAN DB22-LX261L luminometer candle range 0~2000FC
Display LCD, X1 gear range 0.01~ 50.00 Lux, X10 gear range 50.00~500.0 Lux, X100 gear range 500.0~20000 Lux, ruler candle range 0~2000 FC, Precision +/- (4% n + 5d).

$471.00
SE
DUBAN DB22-LX261 luminometer candle range 0~20000FC
Display: LCD, X1 gear range 0.1~ 500.0Lux, X10 gear range 500.0~5000Lux, X100 gear range 5000~200000Lux, ruler candle range 0~20000FC, Precision +/- (4% n + 5d).

If you don't know how to choose "Luminometer", please consult customer service.