Mtg Probe Length; Riser Pipe For Mtg Probe - Omntec OEL8000II Installation Manual

Equipment
♦ Sensor Alarm – occurs when a leak has been detected or there is no
communication with sensor.
♦ Sudden Loss Alarm – occurs during VLD testing indicating a large loss that is not
consistent with a leak (e.g., pumping gas while test is in progress).
When wired in accordance with Control Drawing No. CDOEL8000II (see
Appendix D – OEL8000II Controller), each OEL8000II controller can monitor up to
eight magnetostrictive probes (KOEL8000II kits monitor up to four magnetostrictive
probes). The probes are rated for Class I, Group D, Hazardous locations.
2.3.1
Before installing the MTG probe, measure and record the Probe Shaft Length. This
information will be required when programming the controller. Measure from the
bottom of the lower spacer bracket to the bottom of the shaft (see Figure 2-3).
Do not approximate length. Extreme accuracy is required to ensure proper
operation.
CAUTION
2.3.2
1. Install a riser as close as possible to the center of the tank. This location is
2. The riser pipe must be:
Installation of probes and sensors often requires that a riser be installed first. It is
necessary that the installer be familiar with and adheres to applicable federal, state
and local codes pertaining to riser installation.
The following procedures are used for determining the minimum and maximum
length requirements for the riser.
2-8

MTG Probe Length

Incorrect measurements will results in
improper system operation.

Riser Pipe for MTG Probe

necessary in order to minimize the effect of the tank tilt.
♦ 4 inch NPT
♦ made of ANSI schedule 40 pipe
♦ threaded on both sides
Note: For 2 and 3- inch openings or flanged applications consult OMNTEC
Mfg., Inc.
®
OMNTEC Mfg., Inc.