Installation in a protective
housing
A protective housing, degree of protection IP 55, can be supplied
for installation in dusty or moist areas. Two units can be mounted
inside, see Fig. 5:
•
Set up the protective housing in a shady spot where the ambient
temperature does not exceed 50 °C, for two units 40 °C, or drop
below -20 °C.
•
Screw the cover and cable ducts tightly so that the housing does
not loose any of its protective properties.
Electrical connection
Make the following connections:
•
to the electronic insert,
•
to the output circuit.
•
to the power supply,
The fail-safe mode and compensation for conductive build-up on
probes are selected by means of wire bridges at the Nivotester
terminals and electronic insert respectively.
Power supply
The instrument is set for the voltage selected when ordered.
•
Check the operating voltage on the front panel or sticker
•
Measure the on-site voltage supply
•
Should the operating and supply voltage differ, do not connect
up: check with E Hauser.
5 x PG 16
ABS
Stainless steel
Transparent, impact resistant PMMA
Fig. 5
Dimensions of the protective
housing
Nivotester FTC 420/421
Installation
26
