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WIKA operating instructions, models CTH63I0 and CTH65I0
EN
14120692.02 01/2019 EN/DE
6. Commissioning, operation
6. Commissioning, operation
Personnel:
Skilled personnel
Only use original parts (see chapter 11 “Accessories”).
DANGER!
Danger to life from explosion!
Through working in flammable atmospheres, there is a risk of explosion
which can cause death.
▶
Only use the Pt100 temperature probes supplied for hazardous areas!
▶
In case of any defects, the measuring instruments must not be operated in
hazardous areas!
▶
Do not use the intrinsically safe hand-held thermometer in damaged
condition. Before using the instrument, check that there are no cracks or
missing plastic parts on the case. Pay particular attention to the insulation
of the connectors.
▶
Do not use the instrument if it is not working properly. The instrument
protection might be compromised. If in doubt, have the instrument
checked.
▶
The battery compartment must not be opened in hazardous areas!
▶
Only replace the batteries outside the hazardous area, see chapter
8.2 “Battery replacement”!
▶
Using the USB interface is not allowed in hazardous areas!
6.1 Commissioning
Before switching the instrument on, connect the temperture probe,
otherwise it may not be correctly identified by the instrument, see chapter
4.5 “Temperature probe”.
Before switching on connect the temperature probe(s) to the intended female connector
of the hand-held and make sure that a fully charged 9 V battery is inserted. The probe
connection sockets are marked on the instrument case with 1 or 2 correspondingly. The
USB interface is marked next to them.
6.2 Operation
Switching on/Switching off
To switch the measuring instrument on and off, press the
[ON/OFF]
key. After switching
the instrument on all segments are indicated on the display for approx. 1.5 seconds (full
segment indication). For the next approx. 1.5 seconds the instrument indicates the set
probe calibration code as well as the set measurement parameter for channel 1 (e.g.
CoFF
for DIN characteristic curve and
P
for Pt100). After that the calibration data for the
2nd channel are displayed.