FISCHER Mess- und Regeltechnik GmbH
Assembly | 3
BA_EN_DE80
9/28
3 Assembly
3.1 General
The device is intended for mounting on level walls and mounting plates. For this
purpose, the device has two mounting holes on the side.
Locking srew
T10
Unlocking
Mounting hole 1
Mounting hole 2
Latch
Fig. 7:
Protection class IP65
(a) Opening the housing
To open the housing, first remove the screw plug (if present). Then the housing
can then be unlocked. To do this, use a suitable slotted screwdriver to press the
locking lug at the designated point.
(b) Closing the housing
Close the cover until the latch clicks into place. Protection class IP54 is
achieved with the snap-in connection alone.
NOTICE! The screw plug included must be used to achieve IP65.
Please contact the manufacturer if the screw is missing. It is a special screw for
thermoplastics. Protection class IP65 cannot be achieved with another screw as
a replacement.
3.2 Process connection
• By authorized and qualified specialized personnel only.
• The pipes need to be depressurized when the instrument is being connec-
ted.
• Appropriate steps must be taken to protect the device from pressure surges.
• Check that the device is suitable for the medium being measured.
• Maximum pressures must be observed (cf. Tech. data)
7.2
7.5
Ø4 mm
Ø6 mm
Fig. 8:
Plug nipple
The process connection is designed for soft hoses with an inner diameter of 4
or 6 mm. The plug nipple is designed for both hose sizes.
For assembly, proceed as follows:
1. Cut the hose as straight as possible.
2. Push the hose onto the plug nipple as far as it will go.
3. Protect the hose line against mechanical or thermal effects.
