HP75 CO2 Surveyor - Panel Mount Multifan A bag of 50 nail

A bag of 50 nail on insulators for use on wooden posts

Note - For a complete new unit you also need a battery pack - code H025B

Please note that the connection kit

The upper pickup unit fits directly to any industry standard silo outlet of 450mm diameter and is manufactured from tough injection moulded plastic and comes complete with an integrated cut off slide

HP75 CO2 Surveyor - Panel Mount Multifan A bag of 50 nailHP75 CO2 Surveyor Keep control on the CO2 ambient value and record the min max daily value up to 99 days cycle (and hourly values of the last 60 hours) Afterwards the oldest daily and hourly records are automatically deleted by the new ones. A CO2 alarm value can be set so an output contact is activated. Built in 48 hour min & max. CO2 memory Built in 90 day min. & max. CO2 memory Built in power supply for CO2 Sensor Single relay output for max. CO2