28 July 1995

Easy to keep pigs and poultry in pink

ENVIRONMENTAL control becomes user friendly with a new range of "Alter" controllers for pig and poultry units, claims Alter Electronic Controls, Suffolk.

The range consists of fan and lighting control panels, humidi- stats and pressure controllers. Fan panels can be variable drive two- or three-wire, sequential output or a combination of both rated up to 28kW as standard.

All allow auto vent control. A 9kW variable drive fan controller costs £783. (01502-675233.)