Crowcon Gas-Tec, User Manual, Page: 3 / 40

Contents
Standards information and hydrogen
safety . . . . . . . . . . . . . . . . . . . . . . . . . 4
1 .1 Standards . . . . . . . . . . . . . . . . . . . . . . 4
1 .2 Safety: . . . . . . . . . . . . . . . . . . . . . . . . . 4
1 .3 Battery change . . . . . . . . . . . . . . . . . . 4
1 .4 Charging . . . . . . . . . . . . . . . . . . . . . . . 4
1 .5 Zeroing . . . . . . . . . . . . . . . . . . . . . . . . 4
1 .6 Avoid contamination . . . . . . . . . . . . . . 4
1 .7 What's in the box . . . . . . . . . . . . . . . . 5
1 .8 Unit orientation . . . . . . . . . . . . . . . . . . 6
Control and monitor the Gas-Tec with the
LCD display . . . . . . . . . . . . . . . . . . . . 8
II. Gas-Tec Introduction 9
2 .1 Product description . . . . . . . . . . . . . . . 9
2 .2 Flame Ionisation Detection (FID) . . . . 9
2 .3 Hydrogen Safety . . . . . . . . . . . . . . . . . 9
2 .4 What Gas-Tec detects . . . . . . . . . . . 10
III Operation 11
Prior to SWITCH ON . . . . . . . . . . . . . . . . . 11
3 .1 Getting ready . . . . . . . . . . . . . . . . . . 11
3 .2 Start Up . . . . . . . . . . . . . . . . . . . . . . . 12
3 .3 Detecting gas . . . . . . . . . . . . . . . . . . 14
3 .4 Shutting down . . . . . . . . . . . . . . . . . . 15
IV Function overview 16
4 .2 Menu structure (including range) . . . 17
V Set-up 18
5 .1 Choosing how to display the gas
reading . . . . . . . . . . . . . . . . . . . . . . . 18
5 .2 Setting time and date . . . . . . . . . . . . 19
VI What the Gas-Tec shows 20
6 .1 Overview . . . . . . . . . . . . . . . . . . . . . . 20
6 .2 Special events in the record . . . . . . . 21
6 .3 GPS . . . . . . . . . . . . . . . . . . . . . . . . . 21
6 .4 Acquiring and using data from the
Gas-Tec . . . . . . . . . . . . . . . . . . . . . . 23
VII Managing the Gas-Tec 24
7 .2 Set up the detector . . . . . . . . . . . . . . 24
7 .3 Service Timer . . . . . . . . . . . . . . . . . . 25
7 .4 Change PIN . . . . . . . . . . . . . . . . . . . 25
7 .5 Service functions . . . . . . . . . . . . . . . . 25
VIII Alternative probes 26
8 .1 Alternative probes . . . . . . . . . . . . . . . 26
8 .2 Using Gas-Tec in a moving vehicle . 26
IX Specification 27
X Looking after Gas-Tec 28
10 .1 Gas cylinder . . . . . . . . . . . . . . . . . . 28
10 .2 Filters . . . . . . . . . . . . . . . . . . . . . . . 28
10 .3 Probes and tubes . . . . . . . . . . . . . . 28
10 .4 Rechargeable battery . . . . . . . . . . . 29
10 .5 Servicing . . . . . . . . . . . . . . . . . . . . . 29
XI Spares and accessories 30
XII Hydrogen Safety 32
Safe use of hydrogen cylinders . . . . . . . 32
12 .1 General guidelines . . . . . . . . . . . . . 32
12 .2 Using Hydrogen Gas Cylinders . . . 32
12 .3 Filling the hydrogen cylinder . . . . . . 32
XIII Troubleshooting 33
13 .1 Troubleshooting guide . . . . . . . . . . . 33
13 .2 Warnings list . . . . . . . . . . . . . . . . . . 33
XIV Warranty 35