INSTRUCTION MANUAL
NI-205WE
Rev. 3 12/16
ABSOLUTE PRESSURE
SWITCHES
All data, statements and recommendations supplied with this manual are based on information believed by us to be reliable. As the conditions of
effective use are beyond our control, our products are sold under the condition that the user himself evaluates such conditions before following our
recommendations for the purpose or use foreseen by him.
The present document is the property of
ALEXANDER WIEGAND SE &Co
and may not be reproduced in any form, nor used for any pur-pose
other than that for which it is supplied.
WEATHERPROOF AND INTRINSICALLY SAFE: MODEL APW
FLAMEPROOF: MODEL APA
Versions APWH, APWL
Versions APAH, APAL
A pressure attachment
B cable entry
WEIGHT 5,5 kg
(dimensions in mm)
A vacuum attachment
B cable entry
WEIGHT 6,5 kg
(dimensions in mm)
Versions APW10
Versions APA10
A pressure attachment
B cable entry
WEIGHT 8,2 kg
(dimensions in mm)
A vacuum attachment
B cable entry
WEIGHT 10 kg
(dimensions in mm)
For surface mounting use four screws M6.
NOTE
: dimensions and weights are not binding unless released on certified drawings.
CAUTION
Before installing, using or carrying out maintenance on the instrument it is necessary to
read
and
understand
the
indications given in the attached Instruction Manual.
The instrument must only be installed and maintained by
qualified personnel
.
INSTALLATION IS TO BE CARRIED OUT ONLY AFTER
CHECKING
THAT INSTRUMENT
CHARACTERISTICS
ARE
CONSISTENT WITH PROCESS AND PLANT REQUIREMENTS
The functional
features
of the instrument and its degree of protection are shown on the identification plate fixed to the
case.
SAFETY INSTRUCTIONS FOR USE IN HAZARDOUS ATMOSPHERES.
RECOMMENDATIONS FOR PRESSURE SWITCH SAFE USE.
RELATED DOCUMENT
To authentified document with certificate
N° IECEx PRE 16.0068X
N° IECEx PRE 16.0074X