WIKA CPH62I0 - Manual (Page 7)

7 WIKA operating instructions, model CPH62I0
11221801.02 02/2011 GB/D/F/E
GB
2. Safety
Special operating conditions require further appropriate knowledge, e.g. of aggressive
media.
2.3 Additional safety instructions for instruments with ATEX approval
WARNING!
Non-observance of these instructions and their contents may result in
the loss of explosion protection.
The CPH62I0 hand-held pressure indicator is used for measuring
absolute and/or gauge pressures. In addition, the 2-channel version
can be used to measure differential pressure. The measurement is
carried out by an external pressure sensor.
■ Battery operation:
Only the usage of approved 9 V batteries allowed!
Batteries may only be changed outside of the hazardous area!
Approved batteries are:
Battery type Manufacturer Battery name
6F22
GB GREENCELL, 9 V (1604G)
6LF22
or
6LR61
GP SUPER Alkaline, 9 V (1604A)
Duracell DURACELL PLUS, Alkaline, 9 V
Varta powerone alkaline, 9 V (No. 4122)
Varta INDUSTRIAL, Alkaline, 9V (No. 4022)
■ Ex-Zone operation:
Within Ex-Zones the accompanying leather case must be used!
■ Serial interface:
The serial interface may not be used within hazardous areas.
Connection and operation are only permitted to be used outside of
hazardous areas!
Only the WIKA interface converter may be used!
■ Pressure sensor:
You must only use model CPT62I0 pressure sensors! Usage of
other sensors may result in damage to the sensor and instrument.
When operating with two model CPT62I0 pressure sensors, be
careful that the sensors are not screwed into, nor are in contact
with, surfaces with differing electrical potentials.