Met One Instruments 81755

Met One Instruments,81755, Flow Meter for BT-620 Bench-TopParticle Counter
The flow rate test verifies the sample flow rate is within tolerance. Thereference flow meter must be non-loading because the vacuum pump canbe loaded down by external restrictions. Met One Instruments using asuitable flow meter (P/N 81755).
The flow rate test follows: Connect a ±3% reference flow meter to the sample inlet nozzle, Start a 5 minute sample, The flow meter reading after ~3 minutes should be 1 CFM (28.3LPM)+5%, The flow rate can be adjusted using the front panel.