Data Loggers

Tinytag Aquatic 2 — TG-4100

Submersible temperature data logger with a built-in sensor


  • Industrial


  • -40 to +70°C

Key Features:

  • Inductive
  • Submersible

Product description

The TG-4100 temperature logger can be submerged at depths up to 500 metres for long periods. It monitors from -40 to +70°C. Its robust, high visibility bright yellow case has an attachment point allowing it to be securely positioned. It is ideal for fishery, river and ocean monitoring.

This logger requires Tinytag Explorer software and an inductive pad (ACS-3030).


  • Submersible temperature logger
  • Highly robust and waterproof
  • 32,000 reading capacity
  • 2 user-programmable alarms
  • Inductive pad download
  • User programmable logging intervals
  • Delayed and trigger start
  • User-replaceable battery
  • Low battery monitor

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

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

Help & Support

Technical support information including FAQs, manuals and documentation for this data logger

View More

Service Calibration

Calibration certificate from

Includes calibration, plus replacement of batteries and seals/desiccant packs (if present)

Book it now