Owner's manual

WQL-Cond Technical data
189
ba75822e01 03/2011
14.4 Electrical data
Material Metal parts coming into
contact with the sample:
– Shaft
–Sleeve
– Coupling ring
– Protective hood
–Cap
Stainless steel 1.4571*
Battery compartment Brass, gold-plated
Screws Stainless steel V2A
Housing of the control panel Brass, gold-plated
Key button Silicone
Seals FPM (Viton)
Shackle Stainless steel V4A *
Shaft of the measuring cell Epoxy
Conductivity electrodes Graphite
Thermistor enclosure Graphite
* Stainless steel can be susceptible to corrosion at chloride concentrations
of
≥ 500 mg/l and more.
Guidelines
and norms used
EMC EC directive 2004/108/EC
EN 61326
FCC Class A
Meter safety EC directive 2006/95/EC
EN 61010-1
Climatic class VDI/VDE 3540
Pressure resistance EC directive 97/23/EC
IP protection class EN 60529
Power
supply
Battery Lithium thionyl chloride battery 3.6 V,
size AA, 2600 mAh
Operational life At least 1 month, depending on measuring
interval
Electrical safety Protective class III
USB interface Type USB 1.1, galvanically isolated
Baud rate 38.400 (921.600 when reading in data)
Socket type Mini USB
Cable length max. 3 m