Operation Manual
68 GMC-I Messtechnik GmbH
Technical Data
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 by means of the 
housing) 
Table Excerpt Regarding Significance of the IP Code 
IP XY 
(1
st
 digit X)
Protection against 
foreign object entry
IP XY 
(2
nd
 digit Y)
Protection against the
penetration of water
0 Not protected 0 Not protected
1 ≥ 50.0 mm dia. 1 Vertically falling drops
2 ≥ 12.5 mm dia. 2
vertically falling drops with 
enclosure tilted 15°
3 ≥ 2.5 mm dia. 3 Spraying water
4 ≥ 1.0 mm dia. 4 Splashing water
5 Dust protected 5 Water jets










