Vaisala HMP230 User Manual

Page 19

HMP230 SERIES

M210225en-B User's Guide

PROBE UP

PROBE

PUSHED

DOWN

cable length
2, 5 or 10 m

ш5.5

178

ш13.5

adjustment

range120 mm

R1/2 ISO 7/1

non leaking screw (A)
(factory setting)
or leak screw (B)
(included in the package)

149

clasp nut

fitting body

Figure 11

HMP238 Probe dimensions (in mm)

NOTE

Take care not to damage the pipe of the probe. If the
pipe is damaged, the probe head is less tight and it will
not go through the clasp nut.

3.2.7.1. Mounting;

overview

>10.5mm

fitting body
hex = 24mm
tapered thread
R1/2 ISO 7/1

ø19mm drilling

sealing with:
1. LOCTITE® No 542 + activ. No 7649 (t=-55...+150 °C)
2. MEGA-PIPE EXTRA No 7188 (t=-55...+170 °C)
3. PTFE tape (t=-60...+210 °C) NOTE: the tape does not lock
the parts together. Therefore, use two fork spanners (hex 24 and
27 mm) for tightening and opening the clasp nut of the probe

parallel thread
G1/2 ISO 228/1
(BS 2779, JIS B0202)

>40mm

Process or pipe wall

Figure 12

Sealing and thread cutting for the fitting body

(provided with
the probe)

Thread for the
fitting body:

Examples of
sealings: