RMG USM GT400 Operating Manual page 7

Notes ................................................................................................................ 175
12.3
Troubleshooting ............................................................................................ 175
12.4
13 TECHNICAL SPECIFICATIONS ...................................................... 177
Performance data.......................................................................................... 178
13.1
Approved gas types ..................................................................................... 180
13.2
13.2.1 Suitability and safety for natural gas containing H2 ........................................ 180
Approved measuring range according to MID ....................................... 181
13.3
Type plate ....................................................................................................... 182
13.4
13.4.1 Type plate ATEX / IECEx ................................................................................ 183
13.4.2 Type plate NEC (CSA) .................................................................................... 184
Weights and dimensions ............................................................................ 184
13.5
13.5.1 NEC (CSA) ...................................................................................................... 185
13.5.2 ATEX / IECEx .................................................................................................. 186
Inner diameter of connecting spool pieces ............................................ 189
13.6
Official seal diagram .................................................................................... 192
13.7
13.7.1 Type plate ........................................................................................................ 192
13.7.2 Ultrasonic electronics ...................................................................................... 193
13.7.3 Ultrasonic gas meter ....................................................................................... 195
Transducer types .......................................................................................... 197
13.8
14 SPARE PARTS AND ACCESSORIES ........................................... 199
15 LISTS OF PARAMETERS AND MEASURED VALUES .............. 201
16 USM GT400 APPROVAL .................................................................. 246
Metrological approvals ................................................................................ 246
16.1
Pressure devices approval ......................................................................... 246
16.2
Electromagnetic compatibility ................................................................... 246
16.3
Explosion protection approval .................................................................. 246
16.4
Standards, directives and guidelines ...................................................... 247
16.5
17 USM GT400 GLOSSARY .................................................................. 249
18 USM GT400 ATTACHMENT ............................................................. 250
Contents
Manual USM GT400 · EN10 · May 2021
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