8
GOSSEN-METRAWATT GMBH
Power Supply
Battery
1.5 V mignon alkaline-
manganese cell per IEC LR 6
Service Life
approx. 75 hours continuous
operation, equivalent to
approx. 2500 measurements
Battery Test
Automatic display of “
”
symbol when battery voltage
drops to below approx. 1.0 V
Electromagnetic Compatibility (EMC)
Interf. Emission
EN 50 081-1: 1992
Interf. Immunity
EN 50 082-1: 1992
Mechanical Design
Housing
Plastic
Dimensions
Meter:
65 x 120 x 19 mm
(without ever-ready case)
Sensor:
31 x 105 x 30 mm
Weight
Meter and sensor:
approx. 200 gr. w/o battery
Light Detector
Light collector surface
at diffuser: approx. 20 mm dia.
Cable from Meter
to Sensor
Permanently attached coil cord
Cable Length
approx. 1.5 m
Technical Data, Accessories
Luminance Attachment (meas. angle
ε
1
/
10
= 20° )
5
Maintenance and Calibration
No special maintenance is required if the instrument
is handled correctly. Keep outside surfaces clean.
Use a slightly dampened cloth for cleaning. Avoid
the use of cleansers, abrasives or solvents.
Should the instrument nevertheless not work to your
complete satisfaction, please send it to our Service
Division who will speedily carry thorough the neces-
sary repairs. The equipment will be calibrated while
using a standard light source of 2856 K correspond-
ing to the PTB Standard Specifications.
Recalibration Schedule
We recommend re-calibration every 1 to 3 years
depending upon how the instrument is used. Please
contact our calibration service, whose address is
included on page 13.