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Related Manuals for Geosense TP-1
Summary of Contents for Geosense TP-1
- Page 1 V1.0 Oct 2020 THERMISTOR PROBE & STRING...
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Page 2: Table Of Contents
V1.0 Oct 2020 CONTENTS Page 1.0 INTRODUCTION 1.1 General Description 1.2 Theory of operation 2.0 CONFORMITY 3.0 MARKINGS 4.0 DELIVERY 4.1 Packaging 4.2 Handling 4.3 Inspection 4.4 Storage 5.0 INSTALLATION 6.0 DATA HANDLING 6.1 Taking readings 6.1.1 Portable Readouts 6.1.2 Data loggers 6.2 Data reduction 7.0 TROUBLESHOOTING 8.0 SPECIFICATION... -
Page 3: Introduction
Applications such as, but not limited to measuring temperature in the following :- Concrete (particularly RCC dams) Soil Tundra Rock Ice caps Glaciers Landfills ® Particular features of Geosense Thermistors are:- Fast response High accuracy Reliable long term performance Suitable for demanding environments Waterproof to IP68 (10 bar) (Continued on page 4) -
Page 4: Theory Of Operation
V1.0 Oct 2020 (Continued from page 3) 1.2 Theory of Operation The NTC (negative temperature coefficient ) 3K thermistor sensor has a resistance that decreases with increasing temperature and with a coefficient >4%/ºC allows it to detect very small changes in temperature. They have a non-linear output that is represented by the Steinhart–Hart equation. -
Page 5: Conformity
Declaration of Conformity ® ® We Geosense Ltd at above address declare under our sole responsibility that the Geosense products detailed below to which this declaration relates complies with protection requirements of the following harmonized EU Directives:- The Electromagnetic Compatibility Directive 2014/30/EU Restriction on the use of certain Hazardous Substances RoHS2 2017/2102/EU Waste electrical &... -
Page 6: Markings
V1.0 Oct 2020 3.0 MARKINGS ® Markings on Geosense Thermistors varies depending on whether it is a Probe Type or a Thermistor String. The Probe Type only has a label on the end of the able identifying its reference S/N - Label A... -
Page 7: Delivery
The packaging should be carefully inspected upon delivery and any damage MUST be ® reported to both the transportation company and Geosense 4.2 Handling Whilst they are a robust devices, Thermistors piezometers are precision measuring instruments. -
Page 8: Installation
V1.0 Oct 2020 5.0 INSTALLATION Geosense Thermistor Strings are manufactured to specific customer requirements with the following variables:- • Length of cable to the first Thermistor • Number of Thermistors • Spacing between each Thermistor They should be installed in accordance with the specific project requirement. -
Page 9: Data Handling
Thermistors. Specific operation manuals are supplied with each readout device. Below is a brief, step-by-step procedure for use with ® the Geosense VWR1 portable readout. Connect signal cables from the Thermistor to the GREEN & WHITE terminals Press the ‘On/Off’... -
Page 10: Data Reduction
V1.0 Oct 2020 Data Reduction Where a readout such as the VWR-1 is used the data is obtained directly as degrees Celsius together with the corresponding resistance reading in Ohms. If another type of readout such as a Multi Meter is used the reading will only be in Ohms and therefore to convert to degrees Celsius the Steinhart &... -
Page 11: Troubleshooting
V1.0 Oct 2020 7.0 TROUBLESHOOTING RESISTANCE DIAGNOSTICS Where damage to a sensor or cable is suspected this guide illustrates the way in which simple resistance checks can be taken to identify the possible cause of the problem. Resistance checks can be made with most types of multi-meter which are readily available in the market. -
Page 12: Specification
V1.0 Oct 2020 8.0 SPECIFICATION PROBE Model TP-1 TP-2 Temperature range* -50 to +150 ºC -50 to +150 ºC Accuracy ± 0.2 ºC ± 0.2 ºC Resolution** 0.1 ºC 0.1 ºC Housing Stainless steel Housing diameter (mm) Housing length (mm) -
Page 13: Return Of Goods
10.4 Packaging and Carriage All used goods shipped to the factory must be sealed inside a clean plastic bag and ® packed in a suitable carton. If the original packaging is not available, Geosense should ® be contacted for advice. Geosense will not be responsible for damage resulting from inadequate returns packaging or contamination under any circumstances. -
Page 14: Limited Warranty
V1.0 Oct 2020 11.0 LIMITED WARRANTY The manufacturer, (Geosense Ltd), warrants the THermistors manufactured by it, under normal use and service, to be free from defects in material and workmanship under the following terms and conditions:- ® Sufficient site data has been provided to Geosense by the purchaser as regards the ®... - Page 15 V1.0 Oct 2020 NOTES...
- Page 16 V1.0 Oct 2020...
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