Shaw SDH-PSS User manual

Portable Sample System
For SDHmini Dewpoint Meters
Instrucon Manual
Issue 1

Contents
1
2
3
4
5
6
7
8
9
10
11
12
13
Introducon ................................................................................ 3
1.1 Unpacking Your Shaw Moisture Meters SDH-PSS ............................. 3

1.3 General Arrangement Example ........................................................ 4
Safety Informaon ...................................................................... 5


Quick Start Guide - Normal Operaon ......................................... 6


Purging the Instrument Before Taking a Sample .......................... 8
Disconnecon - Follow This Procedure Exactly .......................... 10
Filter Replacement (if ed) ..................................................... 11
Sampling Very Dry Gasses and/or at Very Low Pressure ............ 11
Cleaning the SDHmini Portable Sample System ......................... 11
Gases to Avoid .......................................................................... 12
Guarantee ................................................................................. 12
Instrument Schemac ............................................................... 13
Dimensions ............................................................................... 14
Specicaons ............................................................................ 14

1 Introducon
1.1 Unpacking Your Shaw Moisture Meters SDHmini Portable
Sample System (SDH-PSS)
















1.2 General Descripon












3

4





manual.



1.3 General Arrangement Example*


SDHmini-Ex Dewpoint Meter

Instrument





Stainless Steel Chassis






Pressure
Regulator or





Stainless Steel Hose


2 Safety Informaon


2.1 Explanaon of Prohibion, Warning and Note Symbols Used


2.2 Pressure Exposure




DO NOT

WARNING

NOTE

!
i


3 Quick Start Guide - Normal Operaon





3.1 Installing the SDHmini into the Portable Sample System



Fig. 1




Fig. 2







Fig. 3

Fig. 4
Fig. 1
Fig. 2
Fig. 3
Fig. 4


3.2 Connecng a Sample Line







Fig. 5







Fig. 6

Fig. 7Fig. 8
Fig. 5
Fig. 6
Fig. 7
Sample line to
inlet connecon.
Fig. 8
Quick connect
shown.

8
4 Purging the Instrument Before Taking a Sample






Fig. 9

pressure regulator
Fig. 10

litres per minute

Fig.
11




Fig. 12
Fig. 11


Switch on the
Fig. 13





Fig. 9
Fig. 10
Fig. 12
Fig. 11
Fig. 13







Fig. 14

Fig. 15



the sample gas.

Fig. 16






Fig. 17

Fig.
18
Fig. 14
Fig. 15
WARNING




Fig. 16
Fig. 17
Fig. 18
!


5 Disconnecon - Follow This Procedure Exactly

Fig. 19

Fig. 20




See secon 2.1 Fig. 3 and Fig. 4.
DO NOT
isolaon valve at the


DO NOT
pressure regulator or needle valve at this stage.
Doing so will retain pressure in the sample line.
Fig. 19
Fig. 20