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Tinytag Ultra 2 - Thermocouple Data Logger

US Prices 
CDN Prices

Privacy and Security Policy

Thermocouple data logger

-40 to 85°C/-270 to 1370°C

Includes probe

The TGU-4550 supports four types of thermocouple sensor - K, J, T and N - offering cost-effective and fast response monitoring from -200°C to 1370°C, depending on the type used. It also has a built-in temperature sensor (-40 to 85°C) allowing simultaneous monitoring of process and ambient temperatures. The connector supports standard and miniature thermocouple plugs.

This unit is supplied with a Type K Thermocouple (-100 to 250°C).

This logger requires Tinytag Explorer software and a USB cable (CAB-0007-USB).



  • Thermocouple data logger
  • Burn out response
  • Automatic cold junction compensation
  • Type K thermocouple supplied
  • 28,000 reading capacity
  • High reading resolution
  • Fast data offload
  • User-programmable alarms


tgp-4017 sheet download Product Datasheet


Tinytag Explorer Software  

This is the easy to use Windows program needed to configure the logger and present the data. The Tinytag Explorer software licence allows unlimited users on one site.

Find out more about the Tinytag Explorer software

Calibration Certificates

You have the option of purchasing calibration certificates with our loggers. Standard measurement points are 0 and 30°C for temperature, 20 and 80 % RH (at 25°C) unless specified otherwise. If you don't order calibration, we guarantee the accuracy figures on our datasheets at the point of purchase.

Find out more about Tinytag calibration

Buy Online: Buy TGU-4550 Logger Kit
(Includes Explorer Software and Download Cable) 


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
Address: 3075 14th Ave, Unit 219,
Markham, Ontario L3R 0G9