wtw pH 3110 - Technical Data; General Data

pH 3110 Technical data
43
ba75791e02 11/2008
7 Technical data
7.1 General data
Dimensions approx. 240 x 190 x 80 mm
Weight approx. 0.4 kg
Mechanical structure Type of protection IP 67
Electrical safety Protective class III
Test certificates CE
Ambient
conditions
Storage - 25 °C ... + 65 °C
Operation -10 °C ... + 55 °C
Climatic class 2
Power
supply
Batteries 4 x 1.5 V alkali-manganese batteries,
type AA
Rechargeable
batteries
4 x 1,2 V NiMH rechargeable batteries,
type AA
(no charging function)
Operational life Approx. 2500 h operating hours (batteries)
Sensor input Input resistance > 5 * 10
12
ohm
Input current < 1 * 10
-12
A
Guidelines
and norms used
EMC EC directive 2004/108/EC
EN 61326-1
EN 61000-3-2
EN 61000-3-3
FCC Class A
Meter safety EC directive 2006/95/EC
EN 61010-1
Climatic class VDI/VDE 3540
IP protection EN 60529