Add to wishlist

By buying this product you can collect up to 6 loyalty points. Your cart will total 6 points that can be converted into a voucher of $1.20.

ST172 is used to monitor temperature and humidity values efficiently and conveniently for long periods of time by using the datalogger functionality. The dataloggers are saved in the logger and simply read out by your PC with USB interface. The LCD shows current readings, MAX, MIN and signof alarm.


  • Memory for 32,000 readings
  • Free selectable measurement cycle from 2 sec. to 24hr.
  • Battery life: more than 3 years
  • Display all status information through two LEDs
  • Download collected data through USB interface
  • Alarm display if user-defined maximum/minimum values exceed
  • Analysis software used to view graph for logging data


Measurement range 0 to 100%RH
-40 to 70°C
Accuracy ±2%RH
Resolution 0.1%RH
Memory 32,000 samples
(16,000 for each temperature and humidity)
Measuring rate 2 sec. to 24 hrs
Battery life 3 years (typical)
Software Requirements Windows 98 / 2000 / XP / Vista
Dimensions 94mm(H) × 50mm(W) × 32mm(D)
Weight 91g


  • Durable case to lock unit while datalogging
  • Combination pad lock
  • 3.6V 1/2AA Lithium battery
  • USB A to USB mini B lead
  • Datalogging software CD


Includes durable case with lock mechanism, padlock, and software CD

Set up various datalogging options via the included software

Download and export the logged data in Excel format

Please note: The default PIN for the padlock is 000. To change the default PIN, while the padlock is unlocked, just push the button underneath and change to your desired combination.
30 other products in the same category: