yamatake gass flowmeter1' , 11/ 2' , 2'
Specification
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
