Tinytag Plus2 Temperature and Humidity

We can supply from stock at a price no other data loggers can offer in terms of size (so tiny) or price (so small). These data loggers are the perfect solution to monitoring the environment in Museums, Archives and Libraries in repositories, display cases, shipping and storage. Units have been used for a number of years, proving that they are reliable and easy to use.

  • You can program the units to log in seconds, minutes, hours or days.
  • Delay start overlay up to 9 graphs (great for looking at number of loggers in a single or trigger start. Facility to add grid lines and "fine tick marks". Ability to graph).
  • User title and notes field, independent axis zoom and zoom step option.
  • Alarm facilities (two) can be set high or low.
  • Each data logger comes with instructions and is battery fitted.
  • Battery life expectancy is 2 years.
Preservation Equipment is proud to be the official distributor appointed by Gemini to supply the leading technology offered by tinytag data loggers to Museums, Archives and Libraries. Temperature and humidity logger.
  • This unit records temperature and humidity using self-contained sensors. It can record temperatures between -25 and +85°C and relative humidity between 0 to 100%. The unit is waterproof, so it can be used outside.
External Probe
  • Now also available with an external probe unit (9903-1555), has a temperature and relative humidity probe with a 1.5m cable length. This unit features a coated RH sensor that has good resistance to moisture and condensation, ensuring measurement reliability.

    Accessories required (See 'Recommended' tab below to purchase):

  • Windows Software and USB Cable - 9903-0010
  • (or purchase separately Windows Software - 9903-0009, and USB cable 9903-USBC)
  • PC Cable RS232 (not USB) - 9903-0007

See specification tab for more details.

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Tinytag Plus RH/Temp Data Logger 0-100% & -40 to +85C
Pack Size: Each Price: £150.00 ex VAT Low Stock
Tinytag Plus 2 RH/Temp Data Logger with external probe
Pack Size: Each Price: £165.00 ex VAT In Stock 48hr

  • Total Reading Capacity 32,000 readings
  • Memory type Non Volatile
  • Trigger Start Magnetic Switch
  • Delayed Start Relative / Absolute(up to 45 days)
  • Stop Options When full, After n Readings, Never (overwrite oldest data)
  • Reading Types Actual, Min, Max
  • Logging Interval 1 sec to 10 days
  • Alarms 2 fully programmable; latchable


  • Reading Range -25°C to +85°C (-13°F to +185°F)
  • Reading Resolution 0.01°C or better

    Relative Humidity

  • Reading Range 0% to 100% RH
  • Accuracy ±3.0% at 25°C / 77°F
  • Reading Resolution Better than 0.3% RH

  • IP Rating IP68 water-proof (see notes)
  • Operational Range* -40°C to +85°C (-40°F to +185°F)
  • Case Dimensions
  • Height 34mm / 1.34”
  • Width 57mm / 2.25”
  • Depth 80mm / 3.15”
  • Weight 110g / 3.9oz

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