The DFHV-200 Digital Flow Meter Series air samplers are high volume air samplers with a two stage, thermally protected electric motor driven vacuum blower and a 7-foot long electrical cord. The motor driven blower is contained in a very durable lightweight plastic polycarbonate housing with a sturdy stable base, having non-skid rubber feet. The flow rate is adjustable by use of a motor speed controller.
The DFHV-200 series has a bright LED display for flowrate, elapsed time and accumulated volume and a four button keypad.
