Lux meter MS6612 Digital Lux Meter Maximum, Minimum function Data hold Peak hold Lux meterMS6612 Digital Lux MeterPatented product Environment conditionOperation temp & humidity: 0 ... : 3 1/2 bit LCD display, maximum reading is 1999.And with analog bar display.Over load range tips; When ... the measured value exceeds the current range, the display will appear “1”/“FF”Photo range: 20,200,2000, ...