Heinrichs Messtechnik GmbH
OPERATING MANUAL TMU-W / UMC4
Page 23 of 118
4.5
Operating conditions
Installation conditions and cable glands
The integral mount version of the UMC4 transmitter shall be installed in accordance with the sensor
installation requirements stated in section 3.
When selecting the position of installation, especially for the remote-mounted UMC4, ensure a vibration-
free mounting.
Warning:
Cable glands are not contained in the
basic
scope of supply. The operator is
responsible for
ensuring that cable glands
or
plugs
according to the enclosures type of
EX-protection and the provided threads
are used. The
enclosures
thread
type is stated
on the
transmitters
rating plate.
Caution:
Where applicable,
metalized cable gland must be used
for the
sensor
/
trans
mitter
cable to ensure a sufficient conductive
connection
for the cable shield
.
(See section 5.1.3, “Sensor connection” on page 36)
NPT cable glands
The transmitter housing is designed for use with M20x1.5 threaded cable glands. For NPT threaded cable
glands the manufacturer adds certified NPT adapters. These NPT adapters are mechanically fixed to the
thread of the transmitter housing.
Warning:
NPT adapters mounted by the manufacturer may never be removed by the customer! In
the event of a removal of these adapters, the protection class Ex-d can no longer be
guaranteed.
