The TG-4100 is a submersible temperature data logger with a built-in sensor. It can be submerged at depths up to 500 m 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 :

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