Related Manuals for Hukseflux FTN02
Summary of Contents for Hukseflux FTN02
- Page 1 Hukseflux Thermal Sensors USER MANUAL FTN02 Field Thermal Needle System for Thermal Resistivity / Conductivity Measurement Copyright by Hukseflux | manual v1717 | www.hukseflux.com | info@hukseflux.com...
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Page 2: Warning Statements
The input voltage for charging should not exceed 5 VDC as it may lead to overheating of the CRU02. FTN02 is generally operated from its own 3.7 VDC battery. This low voltage makes FTN02 safe to use in any environment. -
Page 3: Table Of Contents
Performing Measurements Calibration Menu Structure Software Data Transfer, Archiving and Review Connecting CRU02 and PC, downloading data to a PC Reviewing Data in the Hukseflux CRU02 Manager Reviewing Data in Excel Maintenance and Storage Delivery and Spare Parts Appendices 11.1 Appendix on modelling TP09 behaviour 11.2... -
Page 4: List Of Symbols
Power Power per meter Subscripts Property of Pt 1000 sensor Property of the heating wire heat Property of the needle needle Property, at t = 0, at t = 180, t =h seconds 0, 180, h FTN02 manual v1717 4/49... -
Page 5: Introduction
(NSSP), TP09, which is mounted at the tip of a lance (LN02). The system is operated using a hand-held Control and Readout Unit (CRU02). Figure 0.1 Key components of FTN02 system: from left to right thermal properties sensor TP09, lance LN02 and Control and Readout Unit CRU02. - Page 6 Determination of Thermal Conductivity of Soil and Soft Rock. The main application of FTN02 is route surveying for high voltage electric power cables and for heated pipelines. In general an NSSP consists of a heating wire, representing a perfect line source, and a temperature sensor capable of measuring the temperature at this source.
- Page 7 1.57 m 1.5 m max. Figure 0.3 FTN02 in operation. The Non-Steady-State Probe TP09 (1), mounted at the tip of the Lance, LN02 (2), is inserted into the soil. The user performs control and readout of the experiment from the CRU02 (3), using its keyboard and LCD. The CRU02 also contains a rechargeable battery for powering the TP09.
- Page 8 3 gives general directions for performing a measurement. After chapter 4, the instrument specifications, the remaining chapters contain information about testing the instrument on arrival, operation in the field, operation of the software, calibration and maintenance. FTN02 manual v1717 8/49...
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Page 9: Ordering And Checking At Delivery
Delivery does NOT include glycerol fluid. This has to be locally obtained by the customer. FTN02 software can be updated by the customer. New software versions are available on a regular basis. For available software / firmware updates, please check: http://www.hukseflux.com/page/downloads... -
Page 10: Theory
The sample size is not critical, as long as a radius around needle is covered that is roughly 50 times the needle radius, in case of TP09 (the needle of FTN02), which has a 3.175 mm radius: 160 mm. (please note that with low conductivity media like dry sand,... -
Page 11: Data Analysis In The Cru02
∆T high λ Figure 1.1.1 The signal of FTN02 as a function of the natural logarithm of time. After a transient period the graphs show linear behaviour. In this phase the slope of the graph is inversely proportional to the thermal conductivity λ... -
Page 12: Data Review On Pc
The Excel program can automatically calculate the best linear fit. The end result for the thermal conductivity's is 1/3.608 and 1/1.559, which is 0.27 and 0.64 W/(m·K) respectively. FTN02 manual v1717 12/49... -
Page 13: Ftn02 Design Considerations
To be suitable for field surveys for electric cable trajectories and trajectories of heated oil pipelines. FTN02's primary focus has been on the capability to perform field measurements. This implies that it is able to perform measurements without external power source and that the system is sufficiently robust to survive manual insertion into most common soils. -
Page 14: General Directions For Performing A Measurement
3. Set up the correct power level. The heating voltage of FTN02 can be adapted. In badly conducting soils, like dry soil, there is less need for heating than in well conducting soils. If possible, do not heat more than necessary. -
Page 15: Ftn02 Specifications
It consists of a LN02 (Lance), which serves to support the TP09 (Non-Steady- State Probe), CRU02 (Control and Readout Unit), WSA02 and CA02 adapters. FTN02 is supplied with CRU02 Manager Software for the collection, archiving and review of data. - Page 16 Windows XP or higher, one free USB port, 30 MB hard disk space CALIBRATION Calibration Pt1000 according to IEC 751:1983 traceability Recalibration Every 6 months using glycerol reference fluid or CRC cylinders interval Recalibration Every 2 years by sending CRU02 to the factory for recalibration interval CRU02 (recommended) FTN02 manual v1717 16/49...
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Page 17: Arrival Of A New Ftn02
Arrival of a New FTN02 5.1 Preparation before Arrival As a preparation, preferably the operator should read the chapters 1 to 4. Table 5.1.1 List of items that the operator should have available ITEM REMARKS Glycerol Fluid Consumer quality of at lease 96 % purity, 1 litre... -
Page 18: Quick System Test
DECREASING values ESCAPING, cancelling or going back The FTN02 is shipped ready for use. In case the battery is empty one should recharge. For recharging see the appendix (11.9) on recharging. Table 6.2 Delivery of CRU02. Essentially it is shipped ready for use. - Page 19 13 Press ARROW V to store data 14 The CRU shows in which slot the data will be stored. Press ENTER to store the data, press ESC to discard the data 15 The system is ready for the next measurement FTN02 manual v1717 19/49...
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Page 20: User Guide
The general rules for performing a correct measurement are already laid down in an earlier chapter. For FTN02 one might add the following: 1 In case the measurement appears to have a standard deviation larger that 0.1 repeatedly, probably the heating level is too low. The problem can be solved by going to menu “Setup measurement”... -
Page 21: Calibration
Ohm/m by the same percentage. For information on factory recalibration of CRU02, see the chapter on maintenance and storage. FTN02 manual v1717 21/49... -
Page 22: Menu Structure
Remark 2 Additional field for information Remark 3 Additional field for information Store data ENTER Store data Discard data Data access Browse through data 01 - 50 Stored measurements Clear all data Power off Power off FTN02 manual v1717 22/49... -
Page 23: Software
3. Run the software and install additional drivers 4. A shortcut will be placed on the desktop 5. The software is now installed and can be run from the computer For available software / firmware updates, please check: http://www.hukseflux.com/page/downloads FTN02 manual v1717 23/49... -
Page 24: Data Transfer, Archiving And Review
PC, and reviewed using the CRU02 software (1). The CRU02 (2) can be connected to the PC by removing a cover (4) and connecting the USB cable on both sides (3). Visual data review is required by ASTM. FTN02 manual v1717 24/49... -
Page 25: Reviewing Data In The Hukseflux Cru02 Manager
8.2 Reviewing Data in the Hukseflux CRU02 Manager For reviewing data and troubleshooting possible problems the Hukseflux CRU02 Manager can be used. Connect the CRU02 to the computer using a USB cable. Press “Read memory”. The menu consists of four windows:... - Page 26 Figure 8.2.2 Leader window in the CRU02 program, showing the temperature during one minute before the measurement FTN02 manual v1717 26/49...
- Page 27 Figure 8.2.3 Measurement is the main review window in the CRU02 program. It shows the temperature versus the logarithm of time. The last half of this line should be straight FTN02 manual v1717 27/49...
- Page 28 Heater current should be constant; deviation <1 mA. When heater current is not constant, the battery has problems or need to be charged. Figure 8.2.4 Heater current window, showing the value of the current going to the heater of the needle FTN02 manual v1717 28/49...
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Page 29: Reviewing Data In Excel
8.3 Reviewing Data in Excel Hukseflux has an Excel template which can be used for detailed analysis of the measurement data. This template offers the possibility to select different time intervals for the thermal conductivity calculations. It also has the option to change the Re value of the probe used for data analysis. - Page 30 Figure 8.3.2 Measurement graph with data interval ln(t_begin)=4.0 and ln(t_begin)=5.7. 5. The measurement results, used parameters, measurement details and remarks regarding the measurement are shown in the results tab. FTN02 manual v1717 30/49...
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Page 31: Maintenance And Storage
CRC05. This procedure is explained in section 7.4. The advice is to send CRU02 to Hukseflux for recalibration every 2 years. The date of the last factory calibration is displayed for several seconds on the LCD screen of CRU02 after starting up. -
Page 32: Delivery And Spare Parts
Connector (chassis part) for LN02 Connector for CRU02 Delivery does NOT include glycerol fluid. This has to be locally obtained by the customer. FTN02 software can be updated by the customer. New software versions are available on a regular basis. FTN02 manual v1717... -
Page 33: Appendices
Theoretically, it would be best to take the measurement time of more than 10 minutes. This is not possible because of three reasons: FTN02 manual v1717 33/49... -
Page 34: Appendix On Astm And Ieee Standards
1.2 can be used. Regarding the accuracy of the measurement; the estimate of ± (6 % + 0.04) W/(m·K) for FTN02 is derived from various literature sources. For more details, see the list of references. 11.2 Appendix on ASTM and IEEE standards With FTN02 it is possible to perform measurements in accordance with the ASTM and IEEE standards. -
Page 35: Appendix On Insertion Of The Needle Into Hard Soils
This is to make sure that the heat from the usual 300 with the square of the generated by the TP09 extends well diameter to a maximum of approximately beyond the diameter of the hole 600 s. FTN02 manual v1717 35/49... -
Page 36: Appendix On Typical Soil Thermal Properties
During calibration the glycerol is supposed to be static, in other words, not to flow. This is why at Hukseflux the glycerol is mixed with polyester fibres. This suppresses convection. At the same time, the fraction of polyester fibres is so low (less than 1% by mass) that the thermal conductivity of the glycerol is not affected. -
Page 37: Appendix On Electrical Connection Of Tp-Cru02
The input voltage for charging should not exceed 5 VDC as it may lead to damage of the CRU02 battery. In case the user chooses to replace a TP needle or makes other adjustments to FTN02, the following wire colours need to correspond in order for the system to function properly: Table 11.6.1 Connection and colour codes of CRU02, cable, connector and needle wires... -
Page 38: Appendix On Trouble Shooting
The voltage of the batteries Recharge the batteries. "battery voltage too low, is too low. connect adapter" appears The results of my The FTN02 is not properly Recalibrate the FTN02 see measurements are calibrated. chapter 7.4. consistently too high or too... -
Page 39: Appendix On Battery Charging
Software can be downloaded from a PC to the CRU02. This can be done using the “CRU02 Service” software. Go to ‘Tools’ and press ‘Flash firmware…’. The new firmware can be selected and will be uploaded to the CRU02. FTN02 manual v1717 39/49... -
Page 40: Appendix On Literature References
Standard Test Method for Determination of Thermal Conductivity of Soil and Soft Rock by Thermal Needle Probe Procedure, American Society for Testing and Materials, D5334-14, 2014. IEEE Guide for Soil Thermal Resistivity Measurements, The Institute of Electrical and Electronics Engineers Inc, IEEE Std 442-1981(03), 2003. FTN02 manual v1717 40/49... -
Page 41: Glycerol Material Safety Data Sheet (93 / 112 Ec)
Requirements to be met by storerooms and receptacles: No special requirements • Information about storage in one common storage facility: Not required • Further information about storage conditions: None • • Storage class: - Class according to regulation an flammable liquids: void • FTN02 manual v1717 41/49... - Page 42 The substance is not subject to classification according to the latest Version of the EU lists. 12 Ecological information Ecotoxical effects: • • Aquatic toxicity: 56-81-5 glycerol LC50/24 h: > 5000 ppm (fish) • General notes: generally not hazardous for water FTN02 manual v1717 42/49...
- Page 43 This information is based on present knowledge. However, this shall not constitute a guarantee for any specific product features and shall not establish a legally valid contractual relationship. Department issuing MSDS: Environmentally Department • Contact: P. van Pelt • FTN02 manual v1717 43/49...
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Page 44: International Chemical Safety Card For Glycerol
(remove EYES contact lenses if easily possible), then take to a doctor. Nausea. Vomiting. Do not eat, drink, or Rinse mouth. Give smoke during work. plenty of water to INGESTION drink. Rest. Refer for medical attention. FTN02 manual v1717 44/49... - Page 45 Vapour pressure, Pa at 20°C: <0.1 Explosive limits, vol% in air: 0.9-? Octanol/water partition coefficient as log Pow: -1.76 ENVIRON- MENTAL DATA N O T E S Also consult ICSC # 0090, acrolein. NFPA Code: H1; F1; R0 FTN02 manual v1717 45/49...
- Page 46 Review Committee and may not reflect in all cases all the detailed NOTICE: requirements included in national legislation on the subject. The user should verify compliance of the cards with the relevant legislation in the country of use. FTN02 manual v1717 46/49...
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Page 47: Ec Declaration Of Conformity
11.14 EC Declaration of Conformity Hukseflux Thermal Sensors B.V. Delftechpark 31 2628 XJ Delft The Netherlands in accordance with the requirements of the following directive: 2004/108/EC The Electromagnetic Compatibility Directive hereby declare under our sole responsibility that: Product model: FTN02... - Page 49 © 2017, Hukseflux Thermal Sensors B.V. www.hukseflux.com Hukseflux Thermal Sensors B.V. reserves the right to change specifications without notice.
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