Onicon System-10 BTU Instrukcja Użytkownika Pobierz pdf (Strona 41)

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System-10 BTU Meter Manual 03/15 - 0651-16 / 18323 Page A-7

HEAVY DUTY THERMOWELL ASSEMBLY

FOR HIGH TEMPERATURE / PRESSURE

In Welded Pipe

For Process Temperatures Over 300F

Connection Head 1/2” Fitting

1/2” Coupling 1/2” Extension Nipple Heavy-Duty Thermowell with

1/2” NPT process thread

(Length varies with pipe size.)

When installing, apply wrench

here to tighten.

The thermowell, extension nipple, coupling and tting were made to a

specic length. DO NOT attempt to change the length of this assembly.

Retainer Springs

SS Spacer Sleeve

(Length varies with thermowell length.)

Platinum RTD

Transmitter

Step 1:

Drill 7/8” hole in pipe. Install thermowell using ttings supplied by ONICON.

Complete steps 2 - 4 only after all welding, brazing & soldering are complete.

NOTE:

Each RTD and transmitter pair are matched at the

factory and calibrated for a specic BTU meter. Do not

separate the RTD from the transmitter and use care

to ensure that the serial number on the transmitter

matches the serial number of the BTU meter.

Step 2:

Remove lid and insert RTD assembly into thermowell,

ensuring that it bottoms out. Thermal compound may

be used; apply only a pea-sized amount to the tip of

the RTD prior to insertion.

Thread retaining nut onto tting inside the bottom of connection head. Hand tighten the retainer nut.

DO NOT OVERTIGHTEN.

Retainer Nut

(Finger Tighten Only)

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Onicon System-10 BTU Instrukcja Użytkownika Strona 41