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Summary of Contents for UGT Tensio 100
- Page 1 Operating Manual Tensio 100 Version: 29/05/18 Mobile Field 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: info@ugt-online.de | www.ugt-online.de...
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Page 2: Table Of Contents
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. Types of the Tensio 100 ......................... 9 4. Setup and Technical Specifications ...................... 10 4.1. Setup ..............................10 4.2. -
Page 3: Introduction
Prevent jolting or hard hitting as well as Protect from partial pressure on the ceramic by rocks in the soil. mechanical forces Umwelt-Geräte-Technik GmbH | Eberswalder Str. 58 | D-15374 Müncheberg | phone: +49 (0) 33 43 2 - 89 575 | www.ugt-online.de Page 3 of 23... -
Page 4: Scope Of Delivery
Tensio 100. 1.2. Scope of Delivery • Tensiometer Tensio 100, Tensio 100 RFID or Tensio 100 RFIDplus according to order, ready to use, filled and calibrated • RFID handheld device for Tensio 100 RFID or RFID/USB reading cable for Tensio 100 RFIDplus including software •... -
Page 5: General Information
Abbildung 1: Exemplary retention curves of different soil types Umwelt-Geräte-Technik GmbH | Eberswalder Str. 58 | D-15374 Müncheberg | phone: +49 (0) 33 43 2 - 89 575 | www.ugt-online.de Page 5 of 23... -
Page 6: What Are Tensiometers Used For
Tensiometers are calibrated in a way that the measured pressure is zero when the porous cup is right at the level of the groundwater surface. For the Tensio 100 tensiometers this calibration only applies for vertical installation. The water-filled volume in the standpipe acts as a hanging water column and applies an additional negative pressure on the pressure transducer. -
Page 7: Under Which Conditions Can A Tensiometer Be Used
Some systems, such as the Full Range Tensiometer of UGT GmbH, are not bound to these limits and cannot fall dry due to innovative operating principles. - Page 8 The ceramics of the UGT tensiometers have by default an air entry point of at least 85 kPa. This value slightly varies for every ceramic and depends next to the maximum pore size also on the state of the ceramic and on substances dissolved in the water. Therefore, a common minimum values is stated as upper limit of the measurement range.
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Page 9: Types Of The Tensio 100
3. Types of the Tensio 100 The Tensio 100 product line offers a range of tensiometers for the fast and easy in-situ determination of the tension. Their design in combination with the auger included in the set allow for a rapid installation of the tensiometers without any additional tools or great installation effort. -
Page 10: Setup And Technical Specifications
Ceramic cup Tensio 100 RFIDplus Pressure Transducer Tensiometer tip Abbildung 4 Setup of the Tensio 100 tensiometer Umwelt-Geräte-Technik GmbH | Eberswalder Str. 58 | D-15374 Müncheberg | phone: +49 (0) 33 43 2 - 89 575 | www.ugt-online.de Page 10 of 23... - Page 11 The ceramic of the Tensio 100 is placed at the lower end of the standpipe on an internal core. Two rubber O-rings seal the ceramic against the stainless steel. The lower end of the standpipe is closed by a stainless steel tip. This tensiometer tip is connected to the standpipe with a screw thread and can be screwed off to exchange the ceramic cup and/or the O-rings.
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Page 12: Technichal Specification
4.2. Technichal Specification Tensio 100 Tensio 100 RFID Tensio 100 RFIDplus Pressure measurement Precision Electronic pressure Electronic pressure vacuum-meter transducer transducer Measurement range 0 … -85 kPa 0 … -85 kPa 0 … -85 kPa Output unit Accuracy 0,01 bar ±0,0045 bar... -
Page 13: Accessories
; ø 10 mm, length 24 mm 6. Initial Operation The Tensio 100 is delivered water-filled and ready to use. A specific initial operation is therefore not necessary. Before every application the following points should be checked to ensure accurate measurement results. -
Page 14: Measurement
However, make sure to dry the tensiometer immediately after contact with water to prevent water entering the manometer. There must be no water accumulated on the glass of the manometer. The Tensio 100 is not suitable to remain in the field. Permanent moisture can cause irreparable damage to the manometer. -
Page 15: How To Read Out Data
Abbildung 5: RFID Handheld device for reading the data of the Tensio 100 RFID Pushing the -button toggles between the pressure value and the temperature value. The pair of values is automatically stored on the handheld device when reading. -
Page 16: Tensio 100 Rfidplus
.csv file and can easily be processed in spreadsheet programs. The Tensio 100 RFIDplus can remain in the field for several months. The data can be read at any time. However, directly after installation the response time until equilibrium must be considered. -
Page 17: Profile Measurements
7.3.2. Profile Measurements The Tensio 100 can also be used to determine tension profiles by successive measurements at different depths. Start at the measurement point closest to the soil surface and successively proceed to the deeper measurement points up to the deepest profile point. -
Page 18: Filling And Degassing Of The Tensiometer
The screw must be turned out maximum that far the sealing ring does not touch the thread. Umwelt-Geräte-Technik GmbH | Eberswalder Str. 58 | D-15374 Müncheberg | phone: +49 (0) 33 43 2 - 89 575 | www.ugt-online.de Page 18 of 23... - Page 19 - To fill several tensiometers at once they can be put in one vessel together. Umwelt-Geräte-Technik GmbH | Eberswalder Str. 58 | D-15374 Müncheberg | phone: +49 (0) 33 43 2 - 89 575 | www.ugt-online.de Page 19 of 23...
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Page 20: Replacing The Ceramic And The O-Rings
Spigot Umwelt-Geräte-Technik GmbH | Eberswalder Str. 58 | D-15374 Müncheberg | phone: +49 (0) 33 43 2 - 89 575 | www.ugt-online.de Page 20 of 23... - Page 21 Umwelt-Geräte-Technik GmbH | Eberswalder Str. 58 | D-15374 Müncheberg | phone: +49 (0) 33 43 2 - 89 575 | www.ugt-online.de Page 21 of 23...
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Page 22: Troubleshooting
8.3 Offset on the manometer / Improper handling Exchanging manometer wrong zero point (only by trained UGT staff) Pointer of the manometer Broken manometer Exchanging manometer is fixed (only by trained UGT staff) Umwelt-Geräte-Technik GmbH | Eberswalder Str. 58 | D-15374 Müncheberg | phone: +49 (0) 33 43 2 - 89 575 | www.ugt-online.de... -
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Umwelt-Geräte-Technik GmbH | Eberswalder Str. 58 | D-15374 Müncheberg | phone: +49 (0) 33 43 2 - 89 575 | www.ugt-online.de Page 23 of 23...
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