​​​​ HFM-305​ Meter HFC-307 Controller
​Range
(User Selectable)
0 - 1000 slm to 0 - 2500 slm (N2) 0 - 1000 slm to 0 - 2500 slm (N2)
Accuracy 1.0% of full scale
1.0% of full scale
​Repeatability + 0.07% of full scale + 0.07% of full scale
Maximum Working Pressure 500 PSIG
​​500 PSIG
Analog I/O (Standard) ​​0 - 5 VDC ​​0 - 5 VDC
Analog I/O (Optional) 4​ - 20 mA I.O, 0 - 20 mA,
0 - 5 VDC / 4 - 20 mA I/O
4​ - 20 mA I.O, 0 - 20 mA,
0 - 5 VDC / 4 - 20 mA I/O
Fitting Options VCR®, VCO®, Swagelok®, Straight Thread, NPT VCR®, VCO®, Swagelok®, Straight Thread, NPT
Seal Options
Viton®, Kalrez, Buna-N, Neoprene
Viton®, Kalrez, Buna-N, Neoprene
​Connector
​15-pin subminiature D ​15-pin subminiature D
Power Requirements
​​​​+15VDC @ 150 mA ​​​​+​​15VDC @ 150 mA
Wetted Materials ​302 SS, 316 SS, Nickel 200 ​302 SS, 316 SS, Nickel 200, Viton®, Kalrez® (Valve Seat)