Vaisala HMP240 - Manual (Page 14)

HMP240
User's Guide
M210300en
12
Pressure tight installation with Vaisala's supportive thread bar
set HMP247TBS (cable gland HMP247CG included)
Example of pressure tight temperature probe installation
(cable gland example: AGRO Nr. 1100.12.91.065, EN50262,
version A)
Figure 3.5 HMP247 pressure tight installations with supporting bars.
1. Make a hole with M20x1.5 to a wall or weld a pipe fitting
(
∅
30/M20x1.5x12mm) to a wall.
2. Install the cable gland's fitting body on the hole in the wall.
3. Thread the sensor head through the nut and press the cable
through the cutting line of the sealing.
4. Turn the supporting bars into the sensor head's threaded holes.
5. Turn the sleeve on the opposite end of the supporting bar and
trim to the right length.
6. Cut away the overage supporting bar with saw.
7. Press the sleeves together (with cable inside) and install the
sensor head to a process through the fitting body.
8. Tighten the cable gland nut.
For processes up to 120
°
C (248
°
F). More detailed
instructions are included in the set.
Cable gland
HMP247CG
Recommended support to
keep the probe in
horizontal position
∅ 6.5 mm
Silicon glue between the PTFE
fitting and the cable.
Process pressure < 7 bar,
temperature according to the cable
sealing