ADS Environmental Services IETG FlowHawk QR 775012 A4 - Manual (Page 113)

3-54 IETG FlowHawk Manual
Warning: Do not over-tighten the cable ties or kink the
sensor cables! The depth cable sheathes two components:
the electrical cables that operate the sensor and an air tube
that ventilates the sensor (when applicable). Over-
tightening the ties or kinking the cable can damage or
restrict the air tube, causing incorrect pressure depth
readings.
2. Secure the cables with a cable tie and plastic anchor every
457 to 610 mm along the pipe crown (when necessary) from
the ring to the manhole. If plastic anchors will not serve as
adequate anchors based on the structure of the pipe, install
M6 x 55-mm anchor bolts instead.
3. Secure the cables every 457 to 610 mm up the side of the
manhole to the monitor location. Loose cables could present
a manhole safety hazard or increase the potential for sensor or
monitor damage to occur. If plastic anchors will not serve as
adequate anchors based on the structure of the manhole wall,
install M6 x 55-mm anchor bolts instead.
Warning: Make sure the connector-end of the sensor is
not kinked, does not contain moisture, and includes an
attached dryer tube filled with active blue desiccant.