User manual

H61.0.01.6C-03
GREISINGER electronic GmbH
D - 93128 Regenstauf, Hans-Sachs-Straße 26
User’s Manual
Handheld Double-Pressure-Meter
GMH3156
as of Version 6.4
for 2 GMSD or GMXD – Pressure Sensors
CONTENTS
1 GENERAL ................................................................................................................................................ 2
1.1 S
AFETY REQUIREMENTS....................................................................................................................... 2
1.2 O
PERATION AND MAINTENANCE ADVICE ................................................................................................ 2
1.3 C
ONNECTIONS .....................................................................................................................................3
1.4 D
ISPLAY .............................................................................................................................................. 3
1.5 B
ASIC OPERATION................................................................................................................................3
2 CONFIGURATION.................................................................................................................................... 4
2.1 D
IFFERENT KINDS OF MEASURING: „RATE-SLO, -P.DET, -FAST“ ...........................................................5
2.1.1 rAtE-Slo: Standard Measuring...................................................................................................... 5
2.1.2 rAtE-P.dEt: Peak detection .......................................................................................................... 5
2.1.3 rAtE-FASt: Fast filtered measuring .............................................................................................. 5
2.2 M
EASURING OF WATER LEVEL – DISPLAY UNIT [M]................................................................................ 5
2.3 S
EA LEVEL CORRECTION FOR ABSOLUTE PRESSURE SENSORS.............................................................. 6
2.4 A
VERAGING FUNCTION ......................................................................................................................... 6
2.5 Z
ERO DISPLACEMENT SENSOR 1 ('OFS.1') AND SENSOR 2 ('OFS.2')......................................................6
2.6 S
CALE CORRECTION SENSOR 1 ('SCL.1') AND SENSOR 2 ('SCL.2')........................................................ 6
2.7 P
OWER OFF TIME ................................................................................................................................6
2.8 O
UTPUT...............................................................................................................................................6
2.8.1 Interface - Base Address ('Adr.') .................................................................................................. 6
2.8.2 Analogue Output – Scaling with DAC.0 and DAC.1 ..................................................................... 7
2.9 A
LARM................................................................................................................................................. 7
2.10 R
EAL TIME CLOCK................................................................................................................................7
3 OPERATION OF LOGGER ...................................................................................................................... 7
3.1 „F
UNC-STOR“: STORING SINGLE MEASUREMENTS.................................................................................. 8
3.2 „F
UNC-CYCL“: AUTOMATIC RECORDING WITH SELECTABLE LOGGER-CYCLE-TIME.................................. 8
4 THE SERIAL INTERFACE ..................................................................................................................... 10
5 PRESSURE CONNECTION TO THE SENSORS ................................................................................... 11
6 ERROR AND SYSTEM MESSAGES......................................................................................................11
7 CALIBRATION SERVICES .................................................................................................................... 12
8 SPECIFICATION .................................................................................................................................... 12
9 DISPOSAL NOTES ................................................................................................................................ 12