Method of radiation detection
Twin silicon photodiodes connected to microprocessor.
400-700nM (CIE response). No correction required for different
light sources.
0.1 - 200,000 Lux (0.1 – 20,000 Foot-candles)
Lux: 0.1 up to 100 then 1
Foot-candles: 0.1 up to 100 then 1
UV: 0.1 up to 100 then 1
Proportion of UV: 1 W/Lumen
Temperature: 0.1C or F
RH: 0.1%
Light: 5% 1 displayed digit
UV: 15% 1 displayed digit
Temperature: 0.5C (0.9F)
RH: 3.5% 10%-90%, otherwise 5%
128x64 OLED Display with automatic brightness control
Data logging time intervals
(Time till full)
10 seconds (8 days), 1 minute (50 days) , 10 minutes (500 days),
1 hour (8 years)
Data logging storage capacity
Over 73,000 readings of all 4 parameters
4 off AAA NiMh rechargeable
30 hours of normal use or 120,000 log readings
170 x 60 x 15mm 6.7 x 2.4 x 0.6 inches Including
RH/Temperature probe
240g (8.5 oz) with batteries.