background image

 

 

Operating Manual 

Tensio 140 

Version: 18/06/19

 

 

 
 
 

Laboratory Tensiometer

 

Umwelt-Geräte-Technik GmbH  

Eberswalder Str. 58  |  D-15374 Müncheberg  

phone: +49 (0) 33 43 2 - 89 575 |  fax: +49 (0) 33 43 2 - 89 573  

e-Mail: [email protected] |  www.ugt-online.de 

Summary of Contents for 104000

Page 1: ...ual Tensio 140 Version 18 06 19 Laboratory Tensiometer Umwelt Ger te Technik GmbH Eberswalder Str 58 D 15374 M ncheberg phone 49 0 33 43 2 89 575 fax 49 0 33 43 2 89 573 e Mail info ugt online de www...

Page 2: ...ters What Is Tension 5 2 2 What Are Tensiometers Used For 6 2 3 How Does a Tensiometer Work 6 2 4 Under Which Conditions Can a Tensiometer Be Used 7 3 Set Up and Technical Parameters 9 3 1 Set Up 9 3...

Page 3: ...and robust shaft An additional service to this manual is our tutorial on how to refill the Tensio 100 which can be found at the following link https www ugt online de en products soil science tensiom...

Page 4: ...gh pressure may lead to permanent damage of the pressure transducer Avoid compression of trapped media during installation or when putting on protective caps Protect from high pressure CAUTION Sudden...

Page 5: ...also called the matrix potential or simply pressure head The tension is defined as a negative pressure and therefore is signed positive if the applied pressure is negative A pressure of 50 kPa in the...

Page 6: ...comprehensive analysis of the water balance of a region or an ecosystem 2 3 How Does a Tensiometer Work A Tensiometer consists of an air tight sealed water filled measurement volume a unit where the p...

Page 7: ...tional water filled tensiometers is physically limited by boiling of the water The boiling point of water according to standard 99 6 C at 1013 25 hPa 1 bar is pressure and temperature dependent The bo...

Page 8: ...connect the pore system of the soil and the porous material Tensiometers should be installed in moist soil if possible When using an auger for the installation the diameter of the borehole must be sl...

Page 9: ...arameters Tension range 30 100 kPa Operating temperature 0 40 C Response time 1 s Power supply Power consumption 9 30 VDC 3 mA Output signal 0 1 VDC Linearity error 0 5 FSO Temperature coefficient 0 0...

Page 10: ...GmbH Eberswalder Str 58 D 15374 M ncheberg phone 49 0 33 43 2 89 575 www ugt online de Page 10 of 12 3 3 Pin Assignment Color Signal name 1 brown Vs 9 30VDC 2 white Signal output 0 1VDC 3 blue Case s...

Page 11: ...Hold the tensiometer with the ceramic cup pointing to the floor Tap gently against the shaft to loosen possible air bubbles from the inner tensiometer walls Turn the tensiometer slowly about 90 Existi...

Page 12: ...ter to dry out Repair possible damages repairs are best executed by qualified technicians of our company and remove air bubbles by refilling distilled water through the safety screw Protect the tensio...

Reviews: