Features, Functions and Benefits
50% larger (AA versus 2/3 AA) Lithium Battery
Widest choice of sensors on the market
Large display
50 Event datalogging
Smart sensors
Solid stainless-steel alligator clip
Durable housing
UL Classification Class I, II, III, Groups ABCDEFG

Regarding calibration:
Every year the gas detector must be calibrated.
We will send you a message when it's time.
You send the Hydrogen sulphide detector back to Unitron.
Price DKK 900 excl. freight.