User Manual
60 GMC-I Gossen-Metrawatt GmbH
Technical Data
Electromagnetic Compatibility (EMC)
Interference
emission EN 61326: May 2004, class B
Interference
immunity EN 61326: May 2004, appendix E
IEC 61000-4-2: Dec. 2001 
Feature B
8 kV atmospheric discharge 
4 kV contact discharge 
IEC 61000-4-3: Dec. 2001
Feature A
3V/m
Ambient Conditions
Operating 
temp. range T
A
−10 °C ... +50 °C
Storage 
temp. range −25 °C ... +70 °C (without batteries)
Relative humidity Max.75%, no condensation allowed
Elevation to 2000 m
Deployment
Indoors; outdoors only within specified
ambient conditions
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 52
Extra for 
METRA
HIT
⏐OUTDOOR
:
Housing: IP 65
Table Excerpt Regarding Significance of the IP Code 
IP XY 
(1st digit X)
Protection against pene-
tration of solid particles
IP XY 
(2nd digit Y)
Protection against 
penetration by water
5 Dust protected 2 Dripping (15° inclination)
6 Dust-proof 5 Jet-water










