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301/303/305/306/307 Flowmeters and Controllers Instruction Manual
EAR99 Technology Subject to Restrictions Contained on the Cover Page
Page 8 of 32
Weight:
HFM-301 = 3.5 lbs. [1.6 kg]
HFC-303 = 5.3 lbs. [2.4 kg]
HFM-305 = 8.1 lbs. [3.7 kg]
HFM-306 = 28.8 lbs. [13.1 kg]
HFC-301 = 15.2 lbs. [6.9 kg]
Electrical Connector:
15 pin subminiature “D”
Fitting Options:
HFM-301/HFC-303: ½”, ¾” tube, 10, 12, 20 mm tube, 3/8”, ½” Male
NPT, ½” and ¾” VCR
®
and VCO
®
, ¾-16 and 1-1/16 MS straight female,
Surface Mount (301 small base only)
HFM-305/HFC-307: ¾”, 1” tube, 25 mm tube, ¾”, 1” Male NPT, 1”
Female NPT, 1” VCR
®
and VCO
®
, 1 5/16-12 SAE/MS Female thread
HFM-306: 1”, 1 ½”, 2” tube, 25 mm tube