Flow alarm

Dwyer Instruments HFO-23210 | In-line flow alarm | Range 1-10 GPM (3.8-38 LPM) water | 1/2" female NPT

Dwyer Instruments HFO-23202 | In-line flow alarm | Range 0.2-2.0 GPM (0.75-7.5 LPM) water | 1/2" female NPT

Dwyer Instruments HFO-22550 | In-line flow alarm | Range 5-50 GPM (19-189 LPM) water | 1-1/2" female NPT

Dwyer Instruments HFO-22440 | In-line flow alarm | Range 4-40 GPM (15-151 LPM) water | 1" female NPT

Dwyer Instruments HFO-22320 | In-line flow alarm | Range 2-20 GPM (7.5-75 LPM) water | 3/4" female NPT

Dwyer Instruments HFO-22315 | In-line flow alarm | Range 1-15 GPM (3.8-55 LPM) water | 3/4" female NPT

Dwyer Instruments HFO-22205 | In-line flow alarm | Range 0.5-5.0 GPM (1-19 LPM) water | 1/2" female NPT

Dwyer Instruments HFO-21123 | In-line flow alarm | Range 4-23 SCFM air | 1/4" female NPT

Dwyer Instruments HFO-21112 | In-line flow alarm | Range 1.5-12 SCFM air | 1/4" female NPT