F&J Model DFRV-30L-12Li is a lightweight, small footprint, brushless DC motor powered air sampling system operable from (1) on-board 5Ah Lithium FePO4 batteries (2) line power, or (3) an external 12 VDC source such as a 12 VDC battery system.
The DFRV-30L-12Li is well suited for indoor air sampling from line power or for remote area air sampling activities where users do have line power available.
The automatic flow control feature with the F&J Digital Flowmeter technology provides maximum flexibility for emergency response or remote and unattended sampling responsibilities. The set flowrate is maintained automatically in case of dust loading and does not require operator attention.
Typical flow range is 5 – 35 SLPM. This flow rate varies by the filter media utilized. If pressure drop across the filter media is not significant lower flow will not be achievable without bypass valve option.
