Sensor Failure Indicator; Start With Auto/ Manual Reset Mode -12; Manual Reset Mode Inspection; Auto Reset Mode Inspection - Sentry ST314A Instruction Manual

Hydrogen leak detector
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Sensor Failure Indicator

5-1-3
The sensor failure icon
slow beep alarm when sensor was misplaced or
failure.
Please replace a new sensor by section 6-2 or
contact your dealer.
Start with Auto/Manual Reset Mode
5-2

Manual Reset Mode Inspection

5-2-1
Reset manually to the background level in clear
air, and then inspect the possible leak point for
at least 0.5 sec. The detection tone will become
more rapid, when getting close to the exact leak
point.
Under Manual REST mode, please press
button to rest the detector manually, when the
environment(background level) changes
dramatically. (For example: Move the detector
from indoor to outdoor.)

Auto Reset Mode Inspection

5-2-2
Turn on the detector and wait until the warm-
1.
up is finished. After the warm-up, toggle to high
sensitivity level.
Slowly move the probe tip to pass each
2.
possible point of leak at a rate of no faster
than 2 inches (5cm) per second.
Note: It is important to continually move the
probe tip.
If held on a leak, the auto reset feature will
reset this leak signal to the background level.
When the detector discovers a leak source, the
3.
Leak Level Indicator will be lit corresponding to
blinks and gives
12

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