User manual

GMC-I Gossen-Metrawatt GmbH 29
Data Interface
Typ e Optical via infrared light through the housing
Data transmission Serial, bidirectional (not IrDa compatible)
Protocol Device specific
Baud rate 38,400 baud
Functions Set/query calibration functions and parameters.
The USB X-
TRA plug-in interface adapter (see
accessories) is used for adaptation to the PC’s
USB port.
Ambient Conditions
Accuracy range 0 °C ... +40 °C
Operating temp. range −10 °C ... +50 °C
Storage temp. range −25 °C ... +70 °C (without batteries)
Relative humidity 40% ... 75%,
no condensation allowed
Elevation To 2000 m
Mechanical Design
Housing Impact resistant plastic (ABS)
Dimensions 200 x 87 x 45 mm
(without protective rubber cover)
Weight Approx. 0.35 kg with batteries
Protection Housing: IP 54
(pressure equalization via the housing)
Table Excerpt Regarding Significance of IP Codes
IP XY
(1
st
char. X)
Protection against pene-
tration by solid particles
IP XY
(2
nd
char. Y)
Protection against
penetration by water
5 Dust protected 4 Splashing water