Through-Wall Installation Kit for HPP271 and HPP272
The optional through-wall installation kits for HPP271 (HPP271MOUNTINGSET1) and HPP272
(HPP272MOUNTINGSET1) allow installing the Vaisala HPP270 series H
2
O
2
probes into the monitored
process through the process wall.
The figure below shows an example installation for HPP272. The HPP271 installation kit is otherwise the
same, but does not include the HPP272-specific temperature probe lead-through.
60 ... 100 mm
≤ 6 mm
Ø 40 mm
Ø 8 mm
1
2
40 mm
(recommended)
Ø 8 mm
Ø 40 mm
Ø 50 mm
31 mm
14
mm
12 mm
Metal parts: AISI 316L
Seals and O-rings: FPM
Figure 1 Through-Wall Installation Example for HPP272
1
Nut for tightening the probe in place (temperature probe gland for HPP272 only)
2 Nut for mounting the gland (temperature probe gland for HPP272 only)
Seal the lead-throughs on the metal body of the probes.
HPP272 only: Install the main probe body and the temperature probe 60 … 100 mm (2.36 … 3.93 in)
apart from each other. The temperature probe must be far enough to prevent heat from the main probe
body from aecting the temperature measurement, but close enough so that the two probes measure
the same environment. When installing the probes horizontally, place the temperature probe
downstream of the warmed main probe body.
M212195EN-B
Quick Guide
Mounting Accessory
HPP271MOUNTINGSET1 / HPP272MOUNTINGSET1
PUBLISHED BY
Vanha Nurmijärventie 21
FI-01670 Vantaa, Finland
© Vaisala 2019
All rights reserved. Any logos and/or product names are trademarks of Vaisala or its individual partners.
Any reproduction, transfer, distribution or storage of information contained in this document is strictly
prohibited. All specifications — technical included — are subject to change without notice.
HPP271MOUNTINGSET1/HPP272MOUNTINGSET1
Dimensions
Figure 2 (page 2) shows the dimensions of the gland through-wall installation accessory
HPP271MOUNTINGSET1/HPP272MOUNTINGSET1 in millimeters and [inches].
Ø 12 [0.47]
mm
[in]
24 [0.94]
14 [0.55]
Ø 12
[0.47]
Ø 8 [0.31]
Ø 5 [0.196]
Ø 50 [1.97]
50 [1.97]
44 [1.73]
Ø 30 [1.18]
Ø 40 [1.57]
31 [1.22]
Figure 2 HPP271MOUNTINGSET1/HPP272MOUNTINGSET1 Dimensions
Quick Guide
M212195EN-B
2
-
1
-
2
Vaisala HPP27XMOUNTINGSET1 User manual
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