SensoGate WA131MH
6
1.3 Safeguards
1
2
Dismount Guard for the Solid-Electrolyte Sensor
When using SensoGate WA131MH versions for solid-electrolyte
sensors, sensors can only be removed in the SERVICE position.
When in the SERVICE position, the sensor is located in the protec-
tion sleeve
(1)
or the extension
(2)
and is not accessible.
Immersion Lock Without a Mounted Solid-Electrolyte Sensor
A mechanical lock prevents a SensoGate WA131MH without a
mounted solid-electrolyte sensor from being moved into the
PROCESS position.
The safety lock button cannot be depressed. The rotating collar is
mechanically locked and cannot be rotated.
Information on the immersion lock is provided on a safety label.
The safety label is attached to the strain relief bracket of the
SensoGate WA131MH.
1
2
Immersion Lock Without a Mounted Liquid-Electrolyte Sensor
The safeguard is only available with special version V.
The immersion lock can be seen at the yellow indicator ring
(2)
above the bellows
(1)
. If the yellow indicator ring
(2)
is missing, the
safeguard function is not available.
A mechanical lock prevents a SensoGate WA131MH without a
mounted liquid-electrolyte sensor from being moved into the
PROCESS position.
The safety lock button cannot be depressed. The rotating collar is
mechanically locked and cannot be rotated.
1
2
Leakage Bores
The calibration chamber
(1)
is provided with three radial leakage
bores
(2)
.
Process medium escaping from the leakage bores
(2)
is indicative
of damage to the calibration chamber’s O-rings. This damage can
be detected and repaired.
