yamatake gass flowmeter1, 11/ 2, 2

Compatible gases Butane* 2, propane* 3 ( depending on model No.) . Gas must be dry and without corrosive components ( chlorine, sulfur, acid, etc.) . It must also be clean, without dust or oil mist. Measurement range Propane 0.20 to 2.00 0.40 to 4.00 1.0 to 10.00 2.5 to 25.0 5.0 to 50.0 2.5 to 25.0 5.0 to 50.0 ( m3/ h ( normal) ) * 1 Butane 0.10 to 1.00 0.30 to 3.00 0.80 to 8.00 2.0 to 20.0 4.0 to 40.0 2.0 to 20.0 4.0 to 40.0 Display range Propane 0.00 to 3.00 0.00 to 6.00 0.00 to 12.00 0.0 to 30.0 0.0 to 55.0 0.0 to 30.0 0.0 to 55.0 ( m3/ h ( normal) ) Butane 0.00 to 1.50 0.00 to 4.50 0.00 to 10.00 0.0 to 25.0 0.0 to 45.0 0.0 to 25.0 0.0 to 45.0 Power 100/ 200Vac or 24Vdc Power consumption AC model: 2W or less. DC model: 5.5W or less. Instantaneous flow rate ± 6% rdg. ± 1 digit ( 10 to 40° C) display accuracy* 1 Instantaneous flow rate 1– 5Vdc – output 4– 20mA Event output 1 1a contact ( closes when alarm occurs) Event output 2 NPN open collector output Operating pressure 100kPa max. Straight pipe length* 4 Not required 15cm min. 10cm min. 40cm min. 10cm min. 40cm min. Protective structure IP54 ( JIS C 0920) Mask color Yellow Mass Approx. 850g Approx. 800g Approx. 2.1kg Approx. 2kg