Delta OHM DO 9721 - Instrument Technical Data; Instrument Precision

INSTRUMENT TECHNICAL DATA
Inputs/type of measurement 2: photometric/radiometric or temperature
Connector DIN 45326 8-pole
Measuring range:
Photometric measurements: 0 ... 200,000 lux
0 ... 20,000 fcd
Radiometric measurements: 0 ... 2000 W/m
2
0 ... 200,000 µW/cm
2
0 ... 200,000 µmol/m
2
s
0 ... 2,000,000 cd/m
2
Q energy depends on the active measurements unit
Integration time 19 hours, 59 minutes, 59 seconds
No. conversions per second 2
Working temperature -5...+50°C
Working relative humidity 0...90% R.H. (no condensation)
Serial output RS232C 300...19200 baud (galvanically insulated)
Display Double LCD 12.5 mm
Functions Auto Power Off, Autorange, Hold, Record, Maximum, Minimum,
Mean, Relative, A-B (differential), Energy
Memory 512kB (FLASH) corr. to 30000 measurements
Power supply 9Vdc alkaline battery
Autonomy Approx. 30 hours (continuous duty)
Weight / dimensions 320 gr. / 215x73x38 mm
112
ENGLISH
INSTRUMENT PRECISION
at 25°C from -5°C to 50°C Measuring range
+/- +/- +/-
Basic precision, instrument alone 0.1% + 1 digit 0.2% + 1 digit
Temperature measurements with TP 870 0.6°C 0.6°C + 0.01°C/°C
(measures -200...-50°C)
0.4°C 0.4°C + 0.01°C/°C (measures -50...+200°C)
2°C 2°C + 0.01°C/°C (measures +200...+650°C)