WYLER LEVELTRONIC NT Manuel utilisateur

WYLER AG

Im Hölderli

CH-8405 WINTERTHUR

Switzerland

Tel. 0041 (0) 52 233 66 66

Fax. 0041 (0) 52 233 20 53

Homepage: http://www.wylerag.com

E-Mail:wyler@wylerag.com

OPERATOR'SMANUAL

LEVELTRONIC NT and MINILEVEL NT

with

Radio transmission

and

LEVELMETER 2000

File: „nt_funke.doc“ April 24/.2000

Seite 2 von 53 Seiten

Content

Subject Page

1. BASICS 3

1.1. Instrument's overview 3

1.2. Measuring instruments / External display instruments 4

1.3. Measuring procedure / general use 6

1.4. Zero setting by reversal measurement (Absolute ZERO) 11

1.5. Applications 11

1.6. WYLER software LEVEL SOFT 16

2. DETAILED INFORMATION to the various instruments 18

2.1. MINILEVEL / LEVELTRONIC „classic“ 18

2.2. MINILEVEL / LEVELTRONIC „NT“ 32

3. TECHNICAL DATA 45

3.1. LEVELTRONIC NT 45

3.2. MINILEVEL NT 45

3.3. RADIO MODULE 46

4. UPGRADE OF MINILEVEL NT AND LEVELTRONIC NT TO RADIO TRANSMISSION UNITS 47

5. MAINTENANCE / easy to cure malfunctions 49

6. ACCESSORIES / SPARE PARTS 51

7. STORING 51

8. DECLARATION OF CONFORMITY 52

Änderungen / Modifications:

Datum / Date Geändert durch

Modified by Beschreibung der Änderung

Description of modifications

The following manuals are ready for download on the internet homepage http://www.wylerag.com:

• DYNAM, the software for measuring and monitoring for use with ZEROTRONIC-

sensors

• LEVELSOFT WIN99, the software for inclination and flatness measurement with

WYLER inclination measuring instruments

• LEVELMETER 2000

• LEVELMETER „light“

• +CLINO PLUS+, the handy inclination measuring instrument

• CLINO 2000, the instrument with a number of features

• MINILEVEL / LEVELTRONIC „classic“ and „NT“

• Remote Display, the simple display unit

• COMPENDIUM, the informative brochure for our agents with an overview on our

products, technologies and applications

• Interface description RS485

These manuals can also be received against a nominal fee on a CD „ALL-IN-ONE“ if ordered at WYLER AG.

On this CD the manuals are available in different languages

Seite 3 von 53 Seiten

1. BASICS

The family of electronic inclination measuring instruments is very well suited for all kind of precision

measurement.

Two configurations are possible

I. Communication from the measuring instrument to the external display unit via cable

Using this conventional configuration the data transmission between the measuring instruments

(MINILEVEL NT und LEVELTRONIC NT) are connected to the external display unit (LEVELMETER 2000

or Levelmeter C25 (analogue model)) with cables

II. Communication from the measuring instrument to the external display unit via radio module

Using the configuration „wireless transmission“ the data will be transmitted via radio transmission to the

external display unit (possible with LEVELMETER 2000 only)

IMPORTANT: The MINILEVEL NT still can be used as stand alone instruments as well

Depending on the country in which the units are used the respective available free to use frequencies are

433MHz or 902 MHz.

(Technical data see Point 3)

1.1 INSTRUMENT’S OVERVIEW

MINILEVEL NT with integrated display and radio

transmission unit installed 2LEVELTRONIC NT with

LEVELMETER 2000 and cable connection

2MINILEVEL NT with LEVELMETER 2000 and

radio transmission module as an engineer set

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1.2 MEASURING INSTRUMENTS / EXTERNAL DISPLAY UNITS

Differences between MINILEVEL / LEVELTRONIC concerning display.

The MINILEVEL is equipped with an integrated

display and can be used as a stand-alone

instrument. It is however possible to connect it to

a Levelmeter (E.g. LEVELMETER 2000) to

receive remote display or to use it together with

another instrument for differential measurement.

Picture right:

MINILEVEL NT with integrated radio transmission

module

MINILEVEL NT with integrated radio transmission module

The LEVELTRONIC instruments are not

equipped with an internal display and require

therefore the connection to an external display

unit.

Picture rights:

LEVELTRONIC with integrated radio transmission

module

LEVELTRONIC NT with integrated radio transmission

module

2LEVELTRONIC NT with

LEVELMETER 2000

(Cable connection)

2LEVELTRONIC NT with

LEVELMETER 2000 and radio transmission box

Seite 5 von 53 Seiten

Differences between LEVELMETER 25, C25 and LEVELMETER 2000

LEVELMETER C25/DC

Measured values in analogue form possible via cables

only

The LEVELMETER C25 is very simple in using

Possible connections are:

• LEVELTRONIC NT

• MINILEVEL NT

• MINILEVEL „classic“

LEVELMETER 2000

Digital data transmission possible via cables or via

wireless transmission

The LEVELMETER 2000 has a number of built-in

sophisticated options, which can be used by the skilled user.

The Version „RADIO TRANSMISSION“ is only possible

with the LEVELMETER 2000

The LEVELMETER C25 and LEVELMETER 2000 are especially well suited for use with the above-mentioned

instruments, especially when differential measurement is applied in precision measurements. (Engineer set)

All the mentioned instruments are optimally used together with the flatness measurement software of

WYLER AG (LEVELSOFT WIN99)

Seite 6 von 53 Seiten

1.3 MEASURING PROCEDURE / GENERAL USE

1.3.1. TYPICAL CONFIGURATION WITH AND WITHOUT RADIO TRANSMISSION

Analogue data transmission

Two LEVELTRONIC NT or MINILEVEL NT are

connected to a LEVELMETER C25

Digital data transmission via cables

Two LEVELTRONIC NT or MINILEVEL NT connected

with a LEVELMETER 2000

Digital data transfer via radio transmission

Two LEVELTRONIC NT or MINILEVEL NT wireless

connected via a transmission box to a LEVELMETER

2000

Digital data transfer via radio transmission as well

as with cable

Generally it is also possible to connect one of the

instruments via cable to the LEVELMETER 2000 and

receive the data of the second, further away

instrument, via radio transmission to the

LEVELMETER 2000.

Additional information to the configuration can be seen under Point 2 „Detailed information to the various

instruments”

Seite 7 von 53 Seiten

1.3.2. BASIC SET-UP OF THE INCLINATION MEASURING INSTRUMENTS /PLUS -MINUS RULE

The instrument should always be placed in a way that the cable output is on the right hand side.

Inclined to the right: positive

Declined to the right: negative

(Practical remark: positive values

indicate that some material may be

removed on the measured piece)

Before starting the measurement enough acclimatization time must be allowed for the instruments.

Place the instrument (LEVELTRONIC or MINILEVEL) carefully to the required measuring spot. (Surface) and

read the value on the LEVELMETER or on the integrated display.

It is important to measure always in the direction of the cable connector, respectively the cable.

Example: Flatness measurement of a measuring and setting plate of granite

IMPORTANT:

• Touch the instruments only at the

handle (Temperature!!!)

• Measuring from left to right and from

closetofar.

• Cable respectively cable connector in

measuring

direction

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1.3.3 ABSOLUTE MEASUREMENT /RELATIVE MEASUREMENT /DIFFERENTIAL MEASUREMENT

Absolute measurement

(Absolute ZERO) Condition for the absolute measurement is the performing of a reversal measurement

for determining the absolute zero (to the center of the earth)

After this procedure the instrument will display the effective deviation from the center

of gravity. This means the value is an absolute angle of the measured surface.

Example: if the object to be measured is absolutely level, the display is "0"

Relative measurement

(Relative ZERO) A number of measurements do not require the absolute ZERO as described above.

Example: Angular deviation between two objects. (Lines, surfaces, guide ways)

The measurement instrument is placed on an object and the displayed value is

changed to "0". Then the instrument is relocated to a second object and the displayed

value of the angle is the angular difference between the two surfaces. If the display is

also "0", then both surfaces are parallel.

Most important is that always the instrument is placed on both positions in the same

direction.

Differential measurement

A differential measurement is a measurement with two instruments Measuring

instrument (A) and Reference instrument (B), measuring the angular difference

between the two. This means e.g. if the angular change in both instruments is the

same the displayed value (Difference A - B) does not change. In principle this is a

special relative measurement.

I the following measuring tasks the differential measurement is especially used

• Measurement on object with vibrations imposed.

• Measurements on unstable systems or objects

Example: Measuring the flatness of a machine bed. The reference instrument is

placed on a stable part of the machine where the measurement is not

interfered. With the measuring instrument the measurement is taking place

without removing the reference instrument.

Seite 9 von 53 Seiten

1.3.4 GENERAL REMARKS ABOUT "ANGLES"

Every angle may be defined in different

ways. The most popular way is a definition

in Degrees / Minutes / Seconds.

This is shown in the graph.

Such a definition is especially useful for

larger angles.

With an angular measuring instrument not only an

angle may be measured but also the height of a

certain point over a defined base length can be

calculated. for a profile of a line or a surface) Due to

this simple and reliable method a number of tasks

are possible, especially for measuring guide ways

and surface plates definition. Angle α

αα

α= Height of the measuring point related to a

defined base.

Height of the measuring point = tan α

αα

αx length of base

Example:

Angle = Height related to a defined base.

e.g.. 22 µm/m

Example:

Because the relation µm/m is 1/1'000'000 the same

relation can also be applied to micro inch/inch

Angle = Height related to a defined base.

e.g. 22 µm/m are equal to 22 micro inch/inch or

0,000022 Inch / Inch

Seite 10 von 53 Seiten

1.3.5 HEIGHT RELATED TO THE STEP LENGTH

Height Hx in [µm] related to

step length Height Hx [µm] = ]mm[LLength ]mm[LxSteplength]µm[HHeight ×

Height Hx in [micro Inch] related

to step length

1 micro Inch = 0,000001 Inch

Height Hx [micro Inch] = ]Inch[LLength ]Inch[LxSteplength]mikroINCH[HHeight ×

Height Hx in [µm] related to

step length Height Hx [µm] = ]mm[LxLength

3600

sec]arc[

tan ×

Height Hx in [micro Inch] related

to step length

1 micro Inch = 0,000001 Inch

Height Hx [micro Inch] = = 000'000'1]Inch[LxLength

3600

sec]arc[

tan ××

Ce manuel convient aux modèles suivants

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