KROHNE GFM 700 EN - Manual (Page 4)

4
Content
1 GFM 700 Ultrasonic gas flowmeter 5
2 Size, flow velocity, flowrate 5
3 Measuring principle 6
4 Technical data 7 – 10
4.1 Versions, full-scale ranges, accuracies 7
4.2 GFS 700 Primary head 7
4.3 GFC 700 Signal converter 8 – 9
4.4 Environmental conditions 9
4.5 Dimensions and weights 10
5 Installation notes 11
6 Electrical 11
6.1 Electrical connections 11
6.2 Electrical installation to the main supply voltage 11
7 Operation of the signal converter 12 – 20
7.1 Table of settable functions 12 – 18
7.2 Error messages 19 – 20
8 Addition for the GFM 700 F-EEx ATEX and
GFM 700 HT EEx-ATEX 20 – 30
8.1 General 21
8.2 System components 21 – 22
8.3 Electrical connection 23 – 28
8.4 Connecting cables 29
8.5 Connection diagram 30
9 ATEX approvals 31 – 36
9.1 GFC 700 F - EEx Signal converter 31 – 33
9.2 GFS 700 F - EEx Primary head (flowmeter) 34 – 36