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Web tension sensor 136.2 AMG
Handheld web tension measurement - fast and flexible
   adjustable measuring geometry for flexible measurements
    on web materials like paper, fabrics, foils etc.
  for machine speeds up to 1000m/min
  minimum friction through ball bearing mounted rollers
  available in 6 rated load ranges:
    0 to 5kN/m ... 0 to 20kN/m
    0 to 30pli ... 0 to 100pli
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Description
The web tension sensor 136.2 AMG is an advancement of the well-proven sensor 136.2.
Its field of application ranges over various web materials such as paper, foils etc.
Tension is measured at several sections of the web material.
The resulting relative measuring values give information on
  the web tension profile across the total width
  the web tension on user-defined positions.

Adjustable Measuring Geometry - AMG
The measuring geometry is precisely adjustable in a wide range by means of a micrometer screw.
For this reason the application range is extended enormously.
Now it is possible to measure tension on planar material with different physical characteristics,
e.g. concerning elasticity and stiffness.


Adjustment by micrometer screw





The special engineering design makes it possible to measure not only static and dynamic line tension, but also to analyze the tension curves across the length and breadth of the web.


cross profile of a felt tension


longitudinal profile of a felt tension

The "handling constanter" facilitates - also for untrained users - to realise exact measuring results, in a high degree independent of the natural rigidity of the material.
The shiftable hand grip of the sensor is pre-stressed to a defined force by means of springs.
For measurement the sensor is pressed down against the material until the hand grip moves to a position between the upper and the lower stop.
The pressing force - necessary for measurement - is reached now.

Achievable measurement accuracy
mobile web tension measurement with sensors series 136.2-AMG
Overall, it is important to understand that this is a very complex measurement task.
With the mobile web tension measurement, the tension is tapped of a planar formation by means of delimited geometry.
The resulting force vectors to be evaluated lie in three-dimensional space!
The properties of the material to be measured influence the measurement result individually parasitically with an indefinite amount.
Our 136.2-AMG sensor enables the user to carry out relative value measurements with very good repeatability, but no usable absolute value measurements.
On closer inspection, absolute value measurement results are "nice to have".
In most cases you can work very well with the relative value measurement results.
In the case of comparative measurements based on relative measured values, the repeatability that can be achieved is typically in the range of 1%.
Resume
The sensor 136.2-AMG does not meet all metrological wishes ....
But it is the only sensor worldwide that offers usable results for this complex measuring task.
Over the years this sensor has reached a large number of customers and all of them are very satisfied.
A large number of customers around the world are now using this sensor.
We have received very positive feedback regarding its suitability and utility.
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Special features
  adjustable measuring geometry, maximum flexibility for the various measuring tasks
  minimum friction through ball bearing mounted rollers
  no influence to the measurement by material or line speed
  helical grooving of the rollers stabilize the head even at high speeds
  sensor is pressed slightly on the material
  handling-constanter for defined pressing force - independent of the user
  high signal resolution even at low web tension
  no tendency to resonate even at high speeds
  splashproof and stainless design
  robust and durable, effective overload protection
  quickly delivers reproducible information about the line tension
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Rated measuring ranges
Type Nominal force [kN/m] 
   Standard  

136.2 AMG

5

10

20

 

 

 

 


Type Nominal force [pli] 
   Standard  

136.2 AMG

30

50

100

 

 

 

 


The measuring range of the sensor begins at force’s zero point.
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PreView
... with one click to more information at the InfoGallery
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Options

InfoZoom
One-hand design
  special version as one-hand instrument:
  amplifier DIGITENS fixed on the sensor
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Measuring amplifiers

to product page
Digitens® 485
  hand-held
  for capacitive meas. cells
  digital display
  auto-zero / hold / peak

to product page
TM 353
  hand-held
  for capacitive meas. cells
  analog display
  switchable meas. ranges
... more measuring amplifiers for this sensor in Summary
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Data Acquisition Software

to product page
HCC-Easy
•  measuring
•  storing
  analysing
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Accessories

InfoZoom
Carrying case
  rugged design
 
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Downloads


K661431 - Dimensions 136.2 AMG
PDF-File  |  45k
 
Note:
Viewing of PDF-documents requires Adobe® Reader® - download
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PRODUCTS
Type 136.2 AMG
Achievable measurement accuracy
 
Special features
 
Rated measuring ranges
 
PreView
InfoGallery
Options
 
Measuring amplifiers
Summary
Data Acquisition Software
 
Accessories
Downloads
product page
print
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