WIKA CPH6300 - Handbuch (Seite 28)

7 Maintenance, cleaning and servicing
28 WIKA Operating Instruction, Model CPH6300
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7 Maintenance, cleaning and servicing
7.1 Maintenance
The Hand-Held Pressure Indicator model CPH6300 and the belonged reference-pressure sensors
model CPT6200 are maintenance-free.
Repairs must only be carried out by the manufacturer.
7.2 Replacing Batteries
If “bAt” is flashing in the display the battery will be exhausted soon. Further
measurements are possible for short time. If “bAt” is displayed continuously the battery
is ultimately exhausted and has to be replaced. Further measurements aren’t possible
any more.
CAUTION!
Before changing batteries, please read the following instruction and follow it step by
step. Not following the instruction may cause harm to the
instrument or the protection against ingress of water and
dust may be lost!
Avoid unnecessary opening of the instrument!
1. Open the three screws at the backside of the instrument.
2. Lay down the still closed instrument, so that the display side
points upwards.
The lower half of the housing incl. the electronics should be
kept lying down during battery change.
This avoids loss of the sealing rings of the screw holes.Obere
3. Lift upper half of housing. Keep an eye on the six function keys,
to be sure not to damage them
4. Change carefully the two batteries (Type: AAA).
Ensure correct polarity of the batteries.
5. Close the housing, taking care that it is positioned correctly,
otherwise the sealing may be damaged. Afterwards press the
two halves together, lay the instrument with display pointing
downwards and screw it together again, beginning with the
single lower screw.
7.3
Cleaning
CAUTION!
■ Before cleaning, correctly disconnect the Hand-Held Pressure Indicator model
CPH6300 from the pressure supply, and switch it off.
■ Clean the Hand-Held Pressure Indicator model CPH6300 with a moist cloth.
■ Electrical connections must not come into contact with moisture.
■ Residual media in dismounted CPH6300 and CPT6200 can result in a risk
to persons, the environment and equipment. Take sufficient precautionary
measures.
For information on returning the instrument see chapter “9.2 Return”
batteries
2* AAA
do not
touch
circuit!
GB