The TSM1 Temperature Sensor Meter is a stand-alone logging instrument for the measurement of leaf, canopy, soil or surface temperature.
The TSM1 can support up to 5 Apogee Instruments or Everest Interscience Infrared Thermometers. For all sensors temperature is recorded as degrees Celsius.
|Analogue Channels||5 differential or 10 single ended|
|Minimum Logging Interval||1 second|
|Delayed Start||Suspend Logging, Customised Intervals|
|Communications||USB, Wireless Radio Frequency 2.4 GHz|
|Data Storage||MicroSD Card, SD, SDHC & SDXC Compatible (FAT32 format)|
|Software Compatibility||Windows 7, 8, 8.1 and 10; Mac OS X|
|Data Compatibility||FAT32 format for direct exchange of SD card with any PC|
|Data File Format||Comma Separated Values (CSV) for compatibility with all software programs|
|Memory Capacity||Up to 16GB, 4GB microSD card included.|
|Temperature Range||-40°C to +80°C|
|Upgradable||User Upgradeable firmware using USB boot strap loader function|
|Internal Battery Specifications|
|960mAh Lithium Polymer, 4.20 Volts fully charged|
|External Power Requirements|
|Bus Power||8-30 Volts DC, non-polarised, current draw is 200mA maximum at 17 volts per logger|
|USB Power||5 Volts DC|
|Internal Charge Rate|
|Bus Power||60mA – 200mA Variable internal charge rate, maximum charge rate of 200mA active when the external voltage rises above 16 Volts DC|
|USB Power||100mA fixed charge rate|
|Internal Power Management|
|Fully Charged Battery||4.20 Volts|
|Low Power Mode||3.60 Volts – Instrument ceases to take measurements|
|Discharged Battery||2.90 Volts – Instrument automatically switches off at and below this voltage when no external power connected.|
|Battery Life varies|
Ajayi, A.E. and Olufayo, A.A. 2004, ‘Evaluation of Two Temperature Stress Indices to Estimate Grain Sorghum Yield and Evapotranspiration‘, Agronomy Journal, vol. 96, pp. 1282-1287.
American Society for Testing and Materials 2001, ‘Standard Test Methods for Radiation Thermometers (Single Waveband Type). Designation: E 1256 – 95 (Reapproved 2001)‘, in 2001 Annual Book of ASTM Standards, American Society for Testing and Materials, West Conshohocken.
Bugbee, B., M. Droter, O. Monje and B. Tanner 1998. ‘Evaluation and Modification of Commercial Infra-red Transducers for Leaf Temperature Measurement‘, Advances in Space Research, vol. 22, no. 10, pp. 1425-1434.
Bugbee, B., O. Monje and B. Tanner 1996. ‘Quantifying Energy and Mass Transfer in Crop Canopies: Sensors for Measurement of Temperature and Air Velocity‘, Advances in Space Research, vol. 18, no. 4-5, pp. 149-156.
Diaz, R. A., A. D. Matthias and R. J. Hanks 1983. ‘Evapotranspiration and Yield Estimation of Spring Wheat from Canopy Temperature‘, Agronomy Journal, vol. 75, no., pp. 805-810.
Fuchs, M. (1990). ‘Canopy Thermal Infrared Observations’, in Instrumentaiton for Studying Vegetation Canopies for Remote Sensing in Optical and Thermal Infrared Regions. eds. S. G. Narendra and J. M. Norman. London, Harwood Academic Publishers. 5: 323-333.
Fuchs, M. and C. B. Tanner 1966. ‘Infrared Thermometry of Vegetation‘, Agronomy Journal, vol. 58, no., pp. 597-601.
Garrot, D.J., Gibson Jr., R.D. and Kilby, M.W. 1998, ‘The Response of Table Grape Growth, Production, and Ripening to Water Stress‘, in 1998 Citrus and Deciduous Fruit and Nut Research Report, eds. G. Wright and M. Kilby, University of Arizona, Tuscon.
Garrot Jr, D. J., M. J. Ottman, D. D. Fangmeier and S. H. Husman 1994. ‘Quantifying Wheat Water Stress with the Crop Water Stress Index to Schedule Irrigations‘, Agronomy Journal, vol. 86, no., pp. 195-199.
Hattendorf, M.J., Carlson, R.E., Halim, R.A. and Buxton, D.R. 1988, ‘Crop Water Stress Index and Yield of Water-Deficit-Stressed Alfalfa‘, Agronomy Journal, vol. 80, pp. 871-875.
Irmak, S., Haman, D.Z. and Bastug, R. 2000, ‘Determination of Crop Water Stress Index for Irrigation Timing and Yield Estimation of Corn‘, Agronomy Journal, vol. 92, pp. 1221-1227.
Jackson, R. D. (1982). Canopy Temperature and Crop Water Stress. In Advances in Irrigation. G. S. Campbell and M. D. Campbell. New York, Academic Press. 1: 43-85.
Jackson, R. D., S. B. Idso, R. J. Reginato and P. J. Pinter Jr. 1981. ‘Canopy Temperature as a Crop Water Stress Indicator‘, Water Resources Research, vol. 17, no. 4, pp. 1133-1138.
Kirkham, M. B. (2005). ‘Chapter 24: Measurement of Canopy Temperature with Infrared Thermometers.’ Principles of Soil and Plant Water Relations. Burlington, Elsevier: 425-435.
Sadler, E.J., Bauer, P.J., Busscher, W.J. and Millen, J.A. 2000, ‘Site-Specific Analysis of a Droughted Corn Crop: II. Water Use and Stress‘, Agronomy Journal, vol. 92, pp. 403-410.
Schaamfsma, A. W., G. H. Whitfield, T. J. Gillespie and C. R. Ellis 1993. ‘Evaluation of Infrared Thermometry as a Non-destructive Method to Detect Feeding on Corn Roots by the Western Corn Rootworm (Coleoptera: Chrysomelidae)‘, The Canadian Entomologist, vol. 125, no., pp. 643-655.