WYLER Levelmeter 2000 User manual

WYLER AG
Im Hölderli
CH-8405 WINTERTHUR
Switzerland
Tel. [phone]
Fax. [phone]
Homepage: http://www.wylerag.com
E-Mail: [email protected]
MANUAL
LEVELMETER2000
THE CONVENIENT INSTRUMENT
TO
ZEROTRONIC-SENSORS
AND
MINILEVEL / LEVELTRONIC NT

Page 2 of 31 Pages
Content
1. INTRODUCTION 5
1.1. Principal description of the LEVELMETER 2000 5
1.2. Starting 5
1.3. Possible configurations (instruments and sensors connections) 6
2. STARTING/ELEMENTS OF PANEL 7
2.1. Short description of panel functions 7
2.2. Panel/Functions 9
3. HOW TO USE THE LEVELMETER 2000 12
3.0. Functions of Levelmeter 2000 used with ZEROTRONIC sensors,
MINILEVEL and LEVELTRONIC NT with/without radio transmission 12
3.1. Checking the functions 13
3.2. ZERO-Setting / ZERO absolute and ZERO virtual 14
3.3. Selection of the measuring unit 18
3.4. HOLD-Function 19
3.5. Function SEND (Print-Function) 20
3.6. Terminating a measurement or a set up 23
3.7. Selecting a sensor or an instrument 23
3.8. Selecting correct filter type for various applications 23
3.9. Absolute measurement/Relative measurement 24
3.10. Measuring by setting LIMITS 26
4. TECHNICAL DATA 27
4.1. Power supply 27
4.2. Power consumption 27
4.3. Battery lifetime 27
4.4. Measuring range 27
4.5. Resolution 27
4.6. Various 27
4.7. PIN definition / Connector 28
5. ERROR MESSAGES 28
6. SERVICE 28
6.1. General 28
6.2. Storage / Care and handling of the batteries 28
6.3. Spare parts 29
6.4. Changing of sensor address 29
6.5. Calibrating of ZEROTRONIC sensors 30
7. REPAIR OF MEASURING INSTRUMENTS 31
Modifications / Änderungen:
Date Modified by Description of modifications
2.5.2000 HEH 2.2.1 / automatic shut off is disabled
27.3.2001 HEH Data collection using ENTER key
29.4.2002 HEH Start up time ZEROTRONIC
10.1.2003 HEH/MO Index included
2.4.2003 HEH New:Express Repair Service
25.4.2003 HEH Modification: Function - 2 -/ mode „A B“
27.1.2011 HEH/MUE Quick-Calibration has removed to a separate manual

Page 3 of 31 Pages
INDEX
Key word A Chapter Page
Absolute measurement 3.9.1 24
Absolute measurement/Relative measurement 3.9 24
Address sensor 2.1.1 7
Angular position and direction of connector 2.1.2.2 8
B
Battery / Care and handling of the batteries 6.2 28
Battery display "BATT" 2.2.2 11
Battery lifetime 4.3 26
Battery powered 4.1 27
Battery-Display 2.1.1 7
C
Calibrating of ZEROTRONIC sensors 6.5 30
Changing of sensor address 6.4 29
Checking the functions 3.1 13
CLINOTRONIC PLUS 1.3 6
Configurations(instruments and sensors) 1.3 6
Connections with sensors and instruments 1.3 6
Correct horizontal position 2.1.2.1 8
D
Data format OUT-Port 3.5 20
Default values, basic standards 3.1 13
Description of panel functions 2.1 7
Description of the CLINO 2000 1.1 5
Description of the panel 2.2.2 11
Direction of the inclination 2.2.2 11
Disabling the automatic shut-off of the LEVELMETER 2000 2.1.2.2 8
Display and panel 2.1.1 7
E
ENTER key 2.1.1 7
ENTER key 2.2.1 9
Error messages 3.1 13
Error messages 5 28
Express Repair Service, ERS 7 31
External power supply 4.1 27
F
Filter 3.8 23
Format of transmission 3.5 20
Functions of Levelmeter 2000 used with ZEROTRONIC sensors, 3.0 12
H
HOLD key 2.1.1 7
HOLD key 2.2.1 10
HOLD-Function 3.4 19
How to use the LEVELMETER “=== 3 13
I
Introduction 1. 5
K
Key functions, description 2.2.1 9
L
LEVELTRONIC NT 1.3 6
LIMITS 3.10 26
M
Main display 2.1.1 7
Measurement with relative base length 3.3 18
Measurements with ZEROTRONIC sensors 2.1.2.2 8
Measuring by setting LIMITS 3.10 26

Page 4 of 31 Pages
Measuring range 4.4 27
Measuring unit 2.1.1 7
Measuring units 2.2.2 11
Measuring units 3.3 18
MINILEVEL NT 1.3 6
Mounting of the sensors / codes 2.1.2 8
O
ON/MODE key 2.1.1 7
ON/MODE key 2.2.1 9
P
Panel and display 2.1.1 7
Panel/Functions 2.2 9
PIN definition / Connector 4.7 28
Port for power supply 2.1.1 7
Port for RS232 or for power supply 2.1.1 7
Ports for sensors/instruments 2.1.1 7
Possible configurations 1.3 6
Power consumption 4.2 27
Power supply 4.1 27
R
Relative measurement 3.9.2 24
Repair of Measuring Instruments 7 31
RESET 3.1 13
Resolution 4.5 27
S
Selecting correct filter type for various applications (to be used only with
ZEROTRONIC sensors) 3.8 23
Selection of measuring units 3.3 18
Selection pointer 2.2.2 11
Selection pointer / Mode 2.1.1 7
SEND Function (Print-Function) 3.5 20
SEND/ESC key 2.1.1 7
SEND/ESC key 2.2.1 9
Sensor address 2.2.2 11
Sensor/port A-B 2.2.2 11
Service 6 28
Short description of panel functions 2.1 7
Spare parts 6.3 29
Starting 1.2 5
Starting/Elements of panel 2 7
T
Technical data 4 27
Terminating a measurement or a set up 3.6 23
V
Virtual ZERO 3.2.2 15
Virtual ZERO, automatic set-up 3.2.2 16
Virtual ZERO, manual set-up 3.2.2 15
Z
ZERO absolute (with reversal measurement) 3.2.1 14
ZERO/SELECT key 2.1.1 7
ZERO/SELECT key 2.2.1 10
ZERO-Setting / ZERO absolute and ZERO virtual 3.2 14
ZEROTRONIC sensors 1.3 6

Page 5 of 31 Pages
1. INTRODUCTION
1.1. Principal description of the LEVELMETER 2000
The LEVELMETER 2000 was designed by WYLER AG, Switzerland as an intelligent display and measuring unit
in connection with the digitized sensor family ZEROTRONIC. It is also used as a display device for the electronic
inclinometers MINILEVEL and LEVELTRONIC "NT". Besides the excellent measuring performance the specialty
of the ZEROTRONIC as well as the "NT" family instruments is the use of the digital technology. This allows
transmitting the measuring signals over long distances without any loss of accuracy.
With the LEVELMETER 2000 all the sensors and instruments of the ZEROTRONIC and the "NT" family
instruments may be used. (See point 1.3. Possible configurations (instruments and sensors connections)
The LEVELMETER 2000 is a
- Display unit
- Interface between Measuring instrument and PC
- Control unit for calibrating (ZEROTRONIC sensors only) and identifying/addressing the
connected sensors and instruments
On the LEVELMETER 2000 the following parameters may be set or changed:
- Measuring unit
- Sensor address/port
- Type of damping filter
- Base length relative and many more
The LEVELMETER 2000 is fully interchangeable with the other ZEROTRONIC components. This means that the
LEVELMETER can be exchanged if necessary by any other family type instrument. All the relevant data, such as
- Calibration data
- Sensor address
- ZERO point etc.
are stored at the respective sensor heads. Through the RS 232 port the measuring data may be transmitted to a
PC/Laptop or to an other outlet as well as to the Measuring software LEVELSOFT of WYLER’s.
The measuring principle of the ZEROTRONIC family is based on a changing of the capacity of a condenser built
of two electrodes and a pendulum in form of a shield installed in between. The measured change of capacity is
directly influenced by the change of the inclination of the pendulum. This capacity change is the primarily used
signal for the angle to be measured. The measuring system is designed to be completely antimagnetic. The basic
signal received in the LEVELMETER 2000 will be computed into an angle by comparing the signal with a
reference curve stored and then displayed in the required unit.
1.2. Starting
Before working with the LEVELMETER 2000 it is strongly recommended to carefully read this manual
first.
This will avoid malfunctioning by making unsuitable manipulations like e.g. deleting the calibration date in the
sensor heads etc.

Page 6 of 31 Pages
1.3. Possible configurations (instruments and sensors connections)
Possible connections of sensors and instruments:
ZEROTRONIC sensors
Inclination measuring instrument + CLINOTRONIC PLUS +
Inclination measuring instrument MINILEVEL NT Inclination measuring instrument LEVELTRONIC NT
All the displayed configurations are possible. For individual specifications see the respective data sheets.
On both of the ports ( A & B) up to 31 sensors/instruments may be connected.
This manual covers mainly the combination of the LEVELMETER 2000 with ZEROTRONIC sensors. For
other possible combinations such as together with the instruments MINILEVEL and LEVELTRONIC NT
please refer to the respective manuals.

Page 7 of 31 Pages
2. STARTING/ELEMENTS OF PANEL
2.1. Short description of panel functions
2.1.1. Panel and display
Ports
Sensor address
Battery-Display
Key ZERO/SELECT
Key HOLD
Main display
Measuring unit
Selection pointer / Mode
Key ON/MODE
Key ENTER
Key SEND/ESC
2 Ports for sensors/instruments Serial port RS232
or external power supply

Page 8 of 31 Pages
2.1.2. Mounting of the sensors / codes
The following points must be observed:
2.1.2.1. Correct horizontal position
Sensor-Type
Codes:
XA-XXX Sensor type 1 Arcdeg.
XB-XXX Sensor type 5 Arcdeg.
XC-XXX Sensor type 10 Arcdeg.
XD-XXX Sensor type 30 Arcdeg.
XE-XXX Sensor type 60 Arcdeg.
The sensors are to be mounted so that the reading at the flange horizontally correct. The meaning of the coding is
the following.
The sensor measuring range is marked with the letters A to E. The other numbers are part of the identification
code
2.1.2.2. Angular position
The positive or negative inclination is according to the following definition (Looking at the sensor with the cable
connector to the right):
Inclination: positive
Inclination: horizontal (0 Degree)
Inclination: negative
ATTENTION / IMPORTANT for measurements with ZEROTRONIC sensors
For precise measurements it is important that the sensors have been in operation for at least 15 minutes (start
up time) before the first measurement with a LEVELMETER 2000.
After putting it in function the sensor is slightly heated up by some of the built-in electronic components. After the
start-up time mentioned above the system is stabilised and ready for measurements.
Disabling the automatic shut-off of the LEVELMETER 2000
When pressing the ON/MODE key for more than 3 seconds the display starts flashing and the automatic shut
off is disabled. In the standard mode the instrument shut off after about 10 minutes.
Exeption: In case the LEVELMETER 2000 is powered by a connection to a mains adapter, the instrument is
never shutting off automatically.

Page 9 of 31 Pages
2.2. Panel/Functions
2.2.1. Description of the key functions
ON/MODE - Key
Function - 1 - Pressing the ON/MODE key starts the LEVELMETER 2000. When keeping the key
pressed all the LCD elements are lighted. After releasing the key the instrument
switches to the measuring mode if a sensor is connected and the calibration data of this
sensor has been collected. After a short period of time the actual angle will be displayed
in the last used measuring unit. In case of trouble an error message will be displayed.
(See point 5)
Disabling the automatic shut-off of the LEVELMETER 2000
When pressing the ON/MODE key for more than 3 seconds the display
starts flashing and the automatic shut off is disabled. In the standard mode the
instrument shut off after about 10 minutes.
Exeption: In case the LEVELMETER 2000 is powered by a connection to a
mains adapter, the instrument is never shutting off automatically.
Function - 2 - The ON/MODE is also used for moving the selection pointer on the lower display
area. By pressing this key the selection pointer moves from one position to the next.
Function - 3 - For shutting off the LEVELMETER 2000; the ON/MODE key needs to be pressed for
a few seconds until the displayed figures disappear. If the key is pressed min.
15 seconds a date and a 4 digit number appears. This is the status of the software
release of the Levelmeter.
Function - 4 - Used for „ZERO-Setting“ of saved (memory) values in the functions „REL ZERO“ and
„ZERO“ To set the memory in these two functions to ZERO press the ON/MODE
key, the displayed values will become ZERO. This has to be confirmed by pressing
ENTER
ENTER – Key
The key ENTER is used to save an entered value or to accept a selected function.
When using the Software LEVELSOFT the key <ENTER> has the identical function
as the push button of the connecting cable (Dongle cable) or the push button of the
infrared sender unit for data collection.
SEND/ESC- Key
Function - 1 - The key SEND is used for the transmission of a measuring value through the RS232
port or to send the value to a printer or another connected system. Through the same
port the values may also be transmitted to a PC or Laptop for further treatment of the
data.
Function - 2 - Also used for canceling any „HOLD“ function and return to the measuring mode.
Function - 3 - Canceling any task not yet finished.

Page 10 of 31 Pages
ZERO/SELECT "+/-" - Key
Function - 1 - The key ZERO/SELECT "+/-" can be used to change a number of possible
parameters like e.g.
- Measuring units
- Measuring units, respectively ports ( „A“ / „B“ / „A+B“ / „A B“ )
- Changing of the measuring range
- Changing of the instruments address
- Set up the relative base length
- Set up of the „Zero-Offset“
- Set up of the „REL Zero-Offset“ etc.
Function - 2 - In the mode „A B“ the measured value of the instruments connected on Port “A” and
Port “B” are displayed alternatively. The changing speed is depending on the Baud rate
of the connected instrument.
(MINILEVEL / LEVELTRONIC change time is approx 8 seconds, ZEROTRONIC
sensors change time is approx 4-5 seconds)
The alternating display can be stopped and the instrument’s value connected to port “B”
is constantly seen when the key ZERO/SELECT "+" is pressed.
to change to the value of the instrument connected to port “A” the key
ZERO/SELECT "-" must be applied.
By pressing both keys ZERO/SELECT "+/-" simultaneously for approx
5 seconds the alternating display mode is activated again.
HOLD - Key
Function - 1 - With the HOLD key a measured value may „frozen“. This value will be displayed
until by pressing the key SEND the LEVELMETER 2000 will return to the measuring
mode.
Function - 2 - When using the mode REL ZERO and ZERO the actual measuring value can be
accepted by pressing the HOLD key

Page 11 of 31 Pages
2.2.2. Description of the panel
Main display
The actual measuring values of an active sensor/instrument are displayed. By using the
mode SENSOR the other connected sensors/instruments may be chosen for display.
Indicator of
inclination
direction
The pictograph indicates the direction of the inclination
declining to the right (negative angle)
inclining to the right (positive angle)
Selection pointer
With the selection pointer the intended function can be chosen:
SENSOR
ABSOLUTE
REL ZERO
UNIT
ZERO
LIMITS
FILTER
ADDRESS
CALIB
ONLINE
Select the active sensor/port
Absolute measuring mode
Relative measuring mode
Selection of measuring units
Set absolute zero
Output of control signals
Adjustment of filter type (ZEROTRONIC
only)
Display and changing of sensor addresses
Calibration of sensors
Display of active communication through
port
Battery display
"BATT"
When the battery power is low, the sign "BATT" is flashing
During the process of charging, the sign "BATT" is constantly on
Measuring units
The actual measuring unit is displayed. 10 basic units are
available and most of them can in addition be changed into
subunits.
Sensor/port A-B
Function - 1 - The connection/port is displayed for
information concerning:
- the displayed measuring value
- active sensor/instrument for calibration
purposes
Function - 2 - Shows the measuring mode e.g. individual
measuring or differential measuring (A-B)
Sensor address
The active sensor address is displayed

Page 12 of 31 Pages
3. HOW TO USE THE LEVELMETER 2000
3.0. Functions of Levelmeter 2000 used with ZEROTRONIC sensors,
MINILEVEL and LEVELTRONIC NT with/without radio transmission

Page 13 of 31 Pages
3.1. Checking the functions
After connecting a sensor or another measuring instrument according to the point 1.3. Possible configurations
to the LEVELMETER 2000 the key ON/MODE can be pressed. As long as this key is pressed all elements of
the LCD display will show up. After releasing the key the mode is switched to the measuring mode. The active
signal is displayed in the last used measuring unit, e.g. XXX° XX’ . This will be the case when the calibration data
of the connected sensor have been red before. (During the reading of the calibration data six small „o“ will be
displayed)
The following display variations are correct:
When now the connected instrument or sensor is tilted, the displayed value must change accordingly. If no sensor
is connected, the displayed sign "SENSOR" is flashing and the message "ERROR 2" is displayed.
The following error messages are possible:
ERROR 0 Instrument is defect, to be sent to the service center
ERROR 1 Previously defined measurement configuration not correct anymore.
Possible cause: Sensors not connected anymore, other sensors connected or
communication disrupted.
ERROR 2 No measurement has been done so far with the connected sensor. The sensor must be
addressed correctly (See point 3.7. Selecting a sensor or an instrument)
ERROR 3 Calibration data not available. The display shows the malfunctioning item (port and
address)
For other error messages see point 5.
To reinstall the basic set up a RESET may be done at any time. The procedure is as follows:
Both keys ON/MODE and ENTER must be pressed simultaneously for at least one second. All the
manually installed data is lost and the LEVELMETER 2000 will be set to the following basic standards:
Basic standards (Default values):
Measuring mode: absolute
Measuring unit: the next possible and useful unit
Relative Base: 1000 mm
ZERO-OFFSET absolute: remains intact
Sensor: PORT A, no Sensor (ERROR 2)
Filter No5
Immediately after RESET the error message 2 is displayed. This means the connected sensor must be
addressed correctly from new. (See point 3.7. Selecting a sensor or an instrument)

Page 14 of 31 Pages
3.2. ZERO-Setting / ZERO absolute and ZERO virtual
Remarks:
Using ZERO SETTING two different tasks can be realized:
a) ZERO ABSOLUTE / The instrument shows "0" when the angle of the mounting surface is exactly
positioned in the direction of the center of the earth.
b) ZERO VIRTUAL / The instrument shows "0" at any predefined angle.
3.2.1. ZERO absolute (with reversal measurement)
The ZERO absolute is the basis for all the inclination measurements in the absolute mode. For such a
measurement if high precision is required, it is of utmost importance that the object to be measured and the
respective sensor are both at the same temperature level. The LEVELMETER 2000 should have been turned on
a few minutes before the measurement procedure. For this procedure a suitable surface must be chosen (rigid,
flat and as horizontal as possible). On this surface the inclination sensor must be placed; the exact position of the
sensor is to be marked on the surface.
Remarks:
Defining the absolute ZERO by means of reversal measurement the
sensor must be
properly mounted on a suitable base.
The ZERO absolute will automatically be set by applying the reversal
measurement. (Taking two measurements on the same spot but in the 180°
opposite direction) For this procedure a suitable surface must be chosen (rigid,
flat and as horizontal as possible). On this surface the inclination sensor must
be placed, the exact position of the sensor is to be marked on the surface.
The „ZERO-OFFSET“ is stored in the sensor head.
EXAMPLE:
The selection pointer of the LEVELMETER 2000 must now be placed
below the marking ZERO by pressing the ON/MODE key several
times. If the required position is reached, it must be confirmed by pressing
ENTER. On the display the last set „Zero-Offset“ (Basic offset) will be
displayed. The direction indicator (+/-) is flashing.
The sensor must now sit at position one and after a few seconds settling
time allowed, by pressing the key HOLD, the first reading is collected.
This first value is displayed and the selection pointer below ZERO is
flashing which means the second reading is expected.
The sensor must now be rotated horizontally by 180° and placed exactly
on the same spot. After a few seconds settling time the key HOLD
must be pressed again for collecting the second reading.
The computed „Zero-Offset“ (Basic offset) is now displayed on the
LEVELMETER 2000.
(The displayed „Zero-Offset“ is calculated by adding the two readings and
dividing the result by two.)

Page 15 of 31 Pages
If this „Zero-Offset“ (Basic offset) must now be saved, the key ENTER
must be pressed. Immediately after this, the selection pointer jumps to the
measuring mode absolute and the measuring result under consideration
of the „Zero-Offset“ (Basic offset) will be displayed.
The „Zero-Offset“ (Basic offset) computed by applying the reversal method is the deviation of the sensor’s ZERO
to the absolute ZERO. The display on the LEVELMETER 2000 therefore is the :
Displayed value =
Value of the sensor minus „Zero-Offset“.
The reversal measurement to establish the exact „Zero-Offset“ (Basic offset) should be done periodically if high
quality measurements are required. Especially after longer intervals the method is useful.
3.2.2. ZERO virtual
I) Manual set-up of the virtual ZERO
One possibility of using ZERO virtual means to establish an artificial plane, respectively angle, to be chosen as
absolute zero.
Another possibility is to change the existing „Zero-Offset“ (Basic offset) of a sensor e.g. established by means of
using the reversal method.
Only well skilled and trained user should make use of this feature!!!
Example:
Initial position:
The display shows the measured value on the
Levelmeter 2000 : +0°07‘20‘‘. This value is the
true inclination of the sensor.
Only one sensor at a time can be set to ZERO virtual. This sensor must be selected first.
The selection pointer must be moved below the marking ZERO in the display of the LEVELMETER 2000 by
pressing the key ON/MODE several times. If reached the selection must be confirmed by pressing ENTER.
The last computed or manually entered value „Zero-Offset“ (Basic offset)
is displayed. In our example 00° 00‘ 00‘‘
The direction indicator is flashing
This displayed value may now be changed manually by applying the keys
ZERO/SELECT „+/-“ to the desired value.
e.g. from +0° 00’ 00’’ to new +0°07‘20‘‘
The direction indicator is flashing
The value is now the new „Zero-Offset“

Page 16 of 31 Pages
If this so manually established „Zero-Offset“ must now be saved the key
ENTER must be pressed. The new „Zero-Offset“ is now saved in the
sensor head. Immediately after this, the selection pointer jumps to the
measuring mode absolute and the measuring result under consideration
of the new „Zero-Offset“ will be displayed. The following new value will
now be displayed in the absolute mode:
„ZERO-OFFSET“ is stored in the sensor head
Displayed value =
Value of the sensor minus „Zero-Offset“.
Remarks: Until the input is confirmed by using the ENTER key, every manipulation can be
stopped any time by pressing SEND/ESC
Result:
Despite the fact that the sensor is still mounted
at the same angle the display of the
Levelmeter 2000 now shows the value
0°00‘00‘‘ This is the so called virtual ZERO
This new virtual ZERO is the reference for all
the future measurements based on this angle
(originally 0°07‘20‘‘)
II) Automatic set-up of the virtual ZERO
Practically quite often a measuring surface is not absolutely horizontal but should be the reference plane for other
measurements. In these cases it is useful to set the basic value for this surface to: 0°00’00‘‘
This can be done by manually setting the virtual zero as described before or by automatically define the value
with the Levelmeter 2000 set-up. (It is done by using a reversal measurement mode without turning the sensor
180 deg.)
Procedure
Initial position:
The display shows the measured value on the
Levelmeter 2000 : +0°09‘16‘‘. This value is the
true inclination of the sensor.
The selection pointer must be moved below the marking ZERO in the
display of the LEVELMETER 2000 by pressing the key ON/MODE
several times. If reached the selection must be confirmed by pressing
ENTER.
The last computed or manually entered value „Zero-Offset“
The direction indicator is flashing
The sensor must now sit at position one and after a few seconds settling
time allowed, by pressing the key HOLD, the first reading is collected.
This first value is displayed and the selection pointer below ZERO is
flashing which means the second reading is expected.

Page 17 of 31 Pages
After a few seconds settling time the key HOLD must be pressed again for collecting the second reading. The
instrument/sensor remains at the same position without turning 180°.
The newly computed „Zero-Offset“ is now displayed on the LEVELMETER
(The displayed „Zero-Offset“ is calculated by adding the two readings and
dividing the result by two.)
If this „Zero-Offset“ must now be saved, the key ENTER must be
pressed. Immediately after this, the selection pointer jumps to the
measuring mode absolute and the measuring result under consideration
of the „Zero-Offset“ (Basic offset) will be displayed.
The „ZERO-OFFSET“ is stored in the sensor head
Displayed value =
Value of the sensor minus „Zero-Offset“.
Remarks: Until the input is confirmed by using the ENTER key, every manipulation can
be stopped at any time by pressing SEND/ESC
Result:
Despite the fact that the sensor is still mounted
at the same angle the display of the
Levelmeter 2000 now shows the value
0°00‘00‘‘ This is the so called virtual ZERO
This new virtual ZERO is the reference for all
the future measurements based on this angle
(originally 0°09‘16‘‘)
Remarks: Please see also "Relative measurement" Chapter 3.9.2

Page 18 of 31 Pages
3.3. Selection of the measuring unit
The desired measuring unit can be selected by repeatedly pressing the key ON/MODE until the selection
pointer is below the function UNIT and then the ENTER is pressed.
The possible formats may now be chosen by pressing the key ZERO/SELECT "+/-" until the desired unit
is displayed. This selection must be confirmed by pressing ENTER. The selection remains valid until changed
in the same manner as described above.
The following measuring units can be chosen:
XX°XX'XX" DEG Deg., Min., Sec.
XXX.XXX GON New degree, 3 decimal
XX.XXXX GON New degree, 4 decimal
XXXX.XX mm/m mm per m, 2 decimal
XXX,XXX mm/m mm per m, 3 decimal
XX.XXXX "/10" Inch per 10 Inch, 4 decimal
XX.XXXX "/12" Inch per 12 Inch, 4 decimal
XXXX.XX mRad Milliradian, 2 decimal
XXX.XXX mRad Milliradian, 3 decimal
XX.XX mm/REL mm per relative base, 2 decimal
XX.XXX mm/REL mm per relative base, 3 decimal
XX.XXXX "/REL mm per relative base, 4 decimal
XXXX.XX A %omm per relative base, 2 decimal
XXXX.XX %o‰, 2 decimal
XXX.XXX DEG Degree, 3 decimal
XXX°XX' DEG Deg., Min.
XX'XX" DEG Min., Sec.
XXXXX" DEG Sec.
XXXXX.X" DEG Sec. 1 decimal
For a measurement with relative base length the selection pointer must
be moved by repeatedly pressing the ON/MODE key to the position
UNIT. Confirm with ENTER.
By using the keys ZERO/SELECT "+/-" the desired unit can
now be chosen (mm/REL or inch/REL) The selection must be
confirmed with the key ENTER.
On the display the direction indicator is flashing alternatively plus or
minus; the existing base length is shown (Standard length is 1000 mm
or 10")
By pressing ENTER this value may be accepted or with
ZERO/SELECT „+/-“ the relative base length may be adjusted
as required and then finally confirmed with ENTER.
In the relative mode the angle is related to the height "X" as the
elevation over the set relative base length in the chosen unit. (in mm,
or Inch).
Exception: RESET (see point 3.1)

Page 19 of 31 Pages
3.4. HOLD-Function
This function is available in all measuring modes.
Place the sensor on a flat stable surface. Use the key HOLD. While
the LEVELMETER 2000 waits for a valid measurement (two identical
values in succession) the display will show "oooooo". As it is
practically impossible for two successive values to be identical while
the instrument is handled, the sensor may be positioned after the key
is depressed.
As soon as the condition for a valid measurement is fulfilled, the
measuring value is displayed, the direction indicator flashing. To read
the measurement value, the LEVELMETER 2000 may be removed
from its located position. The display value is "frozen".
Use the key SEND/ESC. If a printer is connected, the measured
value will be transmitted and the LEVELMETER 2000 will be ready for
use in the normal mode If you just want to read the value, pressing
SEND/ESC again will return to the standard mode.
If HOLD is required for the next measurement, it is possible
without canceling; directly to recall HOLD again.
Remarks:
The level of vibration at the measuring location considerably influences the time necessary to
collect a valid measurement. Severe vibration may even completely prevent the condition (two
identical values in succession), necessary to register a true measurement.
In order to regain measuring capability under this condition, take the sensor to an object with a
lower vibration level and complete the operation in process. By key using SEND/ESC the further
procedure may be cancelled immediately. The displayed value may now be accepted or the
process must be repeated.
If after 60 seconds no value was accepted, the „ERROR 7“ message is displayed.
HOLD function has not been successfully completed within 60 seconds. The procedure needs to
be repeated.
By using the function RESET the LEVELMETER 2000 will return to the standard settings. With the
exception of the calibration data all previous adjustments are lost!!
RESET
After the new software is loaded an instrument’s reset must be done.
(Press the key ON/MODE, keep it pressed and simultaneously press the key ENTER until on the screen a
number of dots appear. At the end of the reset the instrument switches in the last used mode.)

Page 20 of 31 Pages
3.5. Function SEND (Print-Function)
Using the key SEND/ESC will send the displayed value through the port "OUT" to a connected PC, or Laptop
via the RS232 port. This function can also be used in combination with HOLD in order to transmit the „frozen“
value.
The function SEND may be activated from a connected PC/Laptop by transmitting a letter „P“ (as letter) through
the serial port RS 232
Data format OUT-Port
Measurement active
MessMode_A [sss Aaaa sn.nnnnnn<cr>]
MessMode_B [sss Baaa sn.nnnnnn<cr>]
MessMode_A_minusB [sss Aaaa-Baaa sn.nnnnnn<cr>]
MessMode_A_B [sss Aaaa sn.nnnnnn Baaa sn.nnnnnn<cr>]
sss = 0 .. 255 - Continuous no.
aaa = Sensor Address 1..255 (e.g. 004) / ML/LT NT 1-32
sn.nnnnnn = +9.999999 - Positive Overrange
-9.999999 - Negative Overrange
other value - Angle in rad e.g. +0.226349
Menue aktive or error ( -0.000000 means no data available)
MessMode_A [9xy Aaaa -0.000000<cr>]
MessMode_B [9xy Baaa -0.000000<cr>]
MessMode_A_minusB [9xy Aaaa-Baaa -0.000000<cr>]
MessMode_A_B [9xy Aaaa -0.000000 Baaa -0.000000<cr>]
aaa = Sensor Address 1..255 resp. 0 when address undefined
x = 0 - General error
1 - Port A error
2 - Port B error
y = 0 - Menu active (no error)
>0 - Error codes (According to manual)
Format of transmission
asynchrony, 7Bit, 2 Stopbits, no parity