H31.0.11.6C-11
User’s Manual GMH3110
page 2
_______________________________________________________________________________________________________________________
CONTENTS
1
GENERAL................................................................................................................................................ 2
1.1
S
AFETY
R
EQUIREMENTS
....................................................................................................................... 2
1.2
O
PERATION
A
ND
M
AINTAINANCE
A
DVICE
............................................................................................... 2
1.3
C
ONNECTIONS
..................................................................................................................................... 3
1.4
D
ISPLAY
.............................................................................................................................................. 3
1.5
B
ASIC
O
PERATION
............................................................................................................................... 3
2
CONFIGURATION ................................................................................................................................... 4
2.1
U
NIT
: C
HOICE
O
F
T
HE
D
ISPLAY
U
NIT
.................................................................................................... 4
2.2
S
EA
L
EVEL
C
ORRECTION
F
OR
A
BSOLUTE
P
RESSURE
S
ENSORS
............................................................. 4
2.3
P.
O
FF: A
UTO
P
OWER
O
FF
T
IME
........................................................................................................... 4
2.4
A
DR
: B
ASE
A
DDRESS OF
I
NTERFACE
..................................................................................................... 4
3
MEASURING OF WATER LEVEL – DISPLAY UNIT [M]......................................................................... 4
4
CALIBRATION SERVICES ...................................................................................................................... 4
5
PRESSURE CONNECTION TO THE SENSORS..................................................................................... 5
6
THE SERIAL INTERFACE ....................................................................................................................... 5
7
ERROR AND SYSTEM MESSAGES ....................................................................................................... 6
8
SPECIFICATION...................................................................................................................................... 7
9
SENSORS
(03/2005)
............................................................................................................................... 8
10
ACCESSORIES .................................................................................................................................... 8
1 General
1.1 Safety Requirements
This device has been designed and tested in accordance with the safety regulations for electronic devices.
However, its trouble-free operation and reliability cannot be guaranteed unless the standard safety measures
and special safety advises given in this manual will be adhered to when using the device.
1. Trouble-free operation and reliability of the device can only be guaranteed if the device is not subjected
to any other climatic conditions than those stated under "Specification".
2. Device and sensors have to be handled with care (don’t throw, hit, etc.). Protect plugs and sockets from
soiling.
3. If the device is transported from a cold to a warm environment condensation may cause in a failure of the
function. In such a case make sure the device temperature has adjusted to the ambient temperature
before trying a new start-up.
4. If device is to be connected to other devices (e.g. via serial interface) the circuitry has to be designed
most carefully. Internal connection in third party devices (e.g. connection GND and earth) may result in
not-permissible voltages impairing or destroying the device or another device connected.
Warning:
If device is operated with a defective mains power supply (e.g. short circuit from mains voltage
to output voltage) this may result in hazardous voltages at the device (e.g. at sensor socket or interface).
5. If there is a risk whatsoever involved in running it, the device has to be switched off immediately and to
be marked accordingly to avoid re-starting.
Operator safety may be a risk if:
- there is visible damage to the device
- the device is not working as specified
- the device has been stored under unsuitable conditions for a longer period of time.
In case of doubt, please return device to manufacturer for repair or maintenance.
1.2 Operation And Maintenance Advice
•
Battery Operation
If
and ´bAt´ are shown in the secondary display the battery has been used up and needs to be
replaced. The device will, however, operate correctly for a certain amount of time. If ´bAt´ is shown in the
upper display the voltage is too low to operate the device; the battery has been completely used up.
The battery has to be taken out, when storing device above 50°C.
Please note: We recommend to take out battery if device is not used for a longer period of time!
!!
