Ashcroft GC52 - Rangeable wet/wet Differential Pressure Transmitter - Manual (Page 3)

3
CONTENTS
CAUTION ................................................................................................ 4-5
1. PREFACE .............................................................................................. 5
2. OVERVIEW .......................................................................................... 5
3. FEATURES ............................................................................................ 5
4. SPECIFICATIONS .................................................................................. 6
5. MOUNTING .......................................................................................... 8
5.1 Mounting Location ........................................................................ 8
5.2 Mounting Options ........................................................................ 8
5.3 Pressure Connection.................................................................... 8
6. PIPING ................................................................................................ 9
7. WIRING ................................................................................................ 10
7.1 Cable / Wiring Specifications........................................................ 10
7.2 Wiring Instructions........................................................................ 10
8. DISPLAY FUNCTIONS ............................................................................ 13
9. MODE CHANGES .................................................................................. 14
10. POWER-ON MESSAGE .......................................................................... 14
11. MEASUREMENT MODE .......................................................................... 15
11.1 Filter (Damping) .......................................................................... 15
11.2 Pressure Display Mode (Re-scaling in “inH
2
O” units) .................. 15
11.3 Linear Display Mode
(Re-scaling in arbitrary user defined units) .................................. 16
11.4 Flow Measurement/Square Root Extraction Mode ...................... 19
11.5 Min/Max Display .......................................................................... 26
12. ZERO ADJUSTMENT MODE .................................................................... 27
13. KEY LOCK ............................................................................................ 28
14. SETTING MODE .................................................................................... 20
14.1 Setting Items for Pressure Display Mode
(Re-scaling in “inH
2
O” units) ........................................................ 28
14.2 Setting Items for Linear Display Mode
(Re-scaling in arbitrary user defined units) .................................. 29
14.3 Setting Items for Square Root Extraction (Flow Measurement) .. 31
14.4 Setting Procedure ........................................................................ 32
14.5 Loop Check .................................................................................. 34
15. DIMENSIONAL DRAWINGS .................................................................... 35
16. MAINTENANCE ...................................................................................... 36