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Pico Technology supplies a range of easy to use PC based temperature and humidity logging products. The units simply plug into the serial (or USB via the adapter) port of a PC (desktop or laptop) and require no power supply.

US Prices
CDN Prices

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Used with PicoLog data logging software, they replace costly chart recorders and complicated ‘plug in’ data acquisition boards. These PC based temperature data loggers allow your computer to display and record temperatures. PicoLog can collect data at rates from one sample per second to once per hour and upto 1 million samples can be recorded. Data can be displayed in graphical or spreadsheet format, both during and after data collection.

The TC-08, TH-03 and PT-104 all measure temperatures using external sensors. The RH-02 uses internal sensors to measure humidity and also temperature.
  • Easy to install and use - up and running in minutes
  • Supplied with PicoLog data logging software
  • Low cost data acquisition systems
  • Multiple data loggers (in any mix) can be used on a single PC

TH-03 Temperature to PC Data Logger Return to top of page

Screen Image of TH-03 Software


  • High accuracy at low cost
  • Connects to computer serial port
  • No power supply required
  • Supplied with PicoLog and drivers
  • Works with EnviroMon sensors (temperature, light, door switch)

The TH-03 allows up to 3 channels of temperature to be recorded onto your PC. It uses precision resistive sensors to give an accuracy that was previously only obtainable using expensive platinum PT100 sensors.

The TH-03 is very easy to use - just plug into the serial port on your computer, connect up to three sensors and you are ready to start collecting data. It accepts the EnviroMon range of sensors, and so can measure temperatures from -55°C to 300°C, check light levels or record the position of a door... or anything else to which you can connect a magnet or micro-switch.



Image of TH-03

Resolution 0.003°C
No of channels 3
Conversion time 2 sec for calibration
1 sec per active channel
Range -30°C to 70°C.
(Using standard sensor)
Accuracy ±0.3°C
(Over -40 to 30°C range)
Size 125 x 60 x 30 mm
Output connector D9 to serial port (cable and D25 adaptor supplied)
Supplied Software PicoLog for Windows (3.x, 95/98/ME, NT/2000)
Drivers & examples C, pascal, Delphi, Visual Basic, HP VEE and LabVIEW. A macro is also provided to collect data directly into an Excel spreadsheet


USA Office

Address: 1480 Gulf Road, Suite 837,
PO Box 1280
Point Roberts, WA 98281

Western Canada - Vancouver BC

Tel:1.800.663.6001 or 1.604.925.6150
Address: 2454 Haywood Ave
West Vancouver, BC V7V 1Y1

Eastern Canada - Markham, Ontario

Tel:1.800.465.0164 or 1.905.513.7027