Hanna Instruments HI7640-58, Instruction Manual

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Installation 8
Typical installation examples with mounting accessories
Accessories are sold separately.
User-assembled, top thread immersion installation
I
II
1
2
4
3
5
6
To install the probe:
A. Wrap Teflon™ tape around upper 3/4 ” NPT threads of the probe (6).
B. Attach a user-supplied reducer bushing (5) to the probe (6) upper threads, step I .
C. Feed probe cable through length of NPT externally threaded, user supplied pipe (4), matched to bushing.
D. Thread the pipe into the upper threads of the reducing bushing (5) attached to the probe.
E. The upper portion of the pipe should be sealed, step II , to prevent ingress of water if installed outdoor.
F. Attach the pipe to a handrail.
Low thread immersion installation
The HI60501 (PVC submersible holder) together with HI60501-2 (protective end cap), and HI605011 (mounting
flange) provide a sturdy, protective housing designed for low-thread immersion installation.
1 Cable gland
2 Pipe cap (socket connect or threaded)
3 Van Stone flange (one size smaller than the pipe)
4 2”, or similar, PVC pipe (schedule 80 PVC)
5
Reducer bushing
• internal thread to fit probe’s
3/4 ” NPT threads
• external thread to fit pipe’s threads or
socket-connect type
6 Optical dissolved oxygen probe