Quantum HD 9021 manual Lx/fcd, Ding in C or F, Count of the time elapsed

Page 5

Key

Symbols lit besides

 

the numbers

All the symbols are lit for a few seconds after switching on.

ENGLISH

Description

Key for switching the instrument on and off. The instrument switches off automatically about 8 minutes after this key has been pressed, as it has

abuilt-in switch-off device. If any key other than the ON/OFF key is pressed, the instrument switches off 8 minutes after the last key was pressed.

 

 

 

lx/fcd

For measuring ILLUMINANCE;

 

 

 

 

when this key is pressed the rea-

 

 

 

 

ding may be in the photometric unit

 

 

 

 

lux or foot candle if a photometric

 

 

 

 

probe is fitted in the instrument.

 

 

 

°C/°F

If a temperature probe of the TP870

 

 

 

 

 

 

 

series is fitted in the instrument, this

 

 

 

 

indicates the temperature measu-

 

 

 

 

red by the probe. The key may be

 

 

 

 

pressed alternately to give a rea-

 

 

 

 

ding in °C or °F.

 

 

 

 

When the key is pressed it erases

 

 

 

 

 

 

 

 

from the memory and resets the

 

 

 

 

maximum, minimum and integrated

 

 

 

 

Q energy values, then resets the

 

 

 

 

count of the time elapsed.

 

 

 

RCD K

When the key is pressed the instru-

 

 

 

 

 

 

 

ment stores and updates the maxi-

 

 

 

 

mum, minimum and integrated Q

 

 

 

 

energy values for the time elapsed,

 

 

 

 

recorded by the measurement pro-

 

 

 

 

be fitted. The battery symbol fla-

– 27 –

Image 5
Contents Instructions Manual 22 23 24 Quantum Photo Radiometer MAN key for choosing the working scale manually Input B socket, DIN 8-pole connectorKey for activating the display of input a Key for activating the display of input BCount of the time elapsed Lx/fcdDing in C or F Automatic ShesData Is being taken Seconds, minutes or hoursIf a high value is to be set DisabledThreshold this key is used to Decrease the set valueErr HOW to MeasureOFL Probe ConnectionMethod of USE LOW Battery Warning Serial Output MaintenanceData bit length Start bit Stop bit no parityAD RS 232C Analog OutputBlock Diagram Layout of Components Series HD 9021 Probe Calibration Calibrating the Instrument HDMeasurements and measuring ranges CharacteristicsTechnical Features Over ±0.3% ± 1C ±1 digit Display LCD 12 mm, function and photo-radiometric symbolsStart bit Stop bit No parity Ser for cosine correction Order CodeCorrection Typical response curve of the probe is as follows ProbesHD 9021 RAD/PAR HD 9021 RAD/CTypical response curve of the probe is as follows Black light in the field Producing erythematous action in the fieldHD 9021 UVA Producing bactericide germicide action in the fieldHD 9021 UVC HD 9021 UVBLight flux HD 9021/CdLux lx Nit nitVoltage variations SafetyEN61000-4-2, EN61010-1 level