TECHNICAL CHARACTERISTICS
Measurements and measuring ranges.
- Photometer: spectral range 400÷760 nm, automatic change of scale,
measuring ranges from 0 to 200,000 lux. For measuring ILLUMINANCE.
- Radiometer: spectral range 450÷950 nm, automatic change of scale,
measuring ranges from 10 microWatt/cm
suring IRRADIANCE.
- Luminance: spectral range 450÷760 nm, automatic change of scale, mea-
suring range from 0 to 2000 x 10
- Conversion frequency: 2 per second.
- Instrument precision: ±0.15% r.d.g. ±1 digit with a reference temperature
of 25°C ±5°C.
- Probe precision: radiometric ±4%, photometric ±5%.
- Linearity: ±1%.
- Resolution: ≤ 200 = 0.1; ≥ 200 = 1.
- Stability: 0.15% F.S.
- Zero drift: ±0.06%/°C of the reading.
- Working temperature 0...50°C.
- Storage temperature: -20...+60°C.
- Relative humidity: 10...85% R.H.
- Display: LCD 8 mm, plus indications.
- Functions: Probe recognition, automatic change of scale, low battery indi-
cation, auto power off.
- Degree of instrument protection: IP 64.
- Power supply: 9V battery IEC 6LF22.
- Battery life: 200 hours with zinc/carbon battery.
- Instrument container: ABS Bayer NOVODUR, grey 7553CF, ABS and
Anticorodal probes.
- Dimensions of the instrument: 42 x 185 x 23 mm, weight 130 grams.
- Dimensions of the kit: 370 x 140 x 60 mm, weight 600 grams.
ORDER CODE
HD 9221:
LP 9221/PHOT: Photometric probe for measuring light flow in lux. ILLU-
LP 9221/RAD: Radiometric probe for measuring light power in Watt/m
LP 9221/LUM 6: Photometric probe for measuring the light emitted by a
LP BL:
3
Instrument complete with zinc/carbon battery, instructions
manual, LP 9221/PHOT probe for measuring illuminance
of light (lux), carrying case.
MINANCE.
IRRADIANCE.
source for the solid angle unit, in candles/m
Base with levelling device.
2
to 200 milliWatt/cm
2
candles/m
. For measuring LUMINANCE.
– 36 –
ENGLISH
2
. For mea-
2
.
2
, LUMINANCE.