Full Scale Flow Ranges for Inline Flowmeters:
Size
SCFM
NM3/hr
0.25"
0-20
0-32
0.5"
0-90
0-140
0.75"
0-180
0-280
1"
0-320
0-500
1.25"
0-580
0-910
1.5"
0-840
0-1,320
2"
0-1,400
0-2,200
2.5"
0-2,000
0-3,150
3"
0-3,080
0-4,860
4"
0-5,300
0-8,360
6"
0-12,000
0-18,900
Note: Standard conditions of air at 70°F and one atmosphere. Consult factory for other gases and for flow
ranges above those listed. Inline meters above 5,000 SCFM (7,900 NM3/H) air may require third party
Calibration. Contact Spirax Sarco.
Gas Pressure (maximum):
Insertion: 500 psig (34.5 barg)
Inline (1/4" through 6"): NPT 500 psig (34.5 barg); 150# flange 230 psig (16 barg)
Check with factory for higher pressure options.
Note: Pressure ratings stated for temperature of 100°F (38°C).
Relative Humidity: 90% RH maximum; non-condensing
Maximum Altitude: 6,562ft (2,000m) max.
Temperature:
ST sensor: -40 to 250°F (-40 to 121°C)
HT Sensor: -40 to 650°F (-40 to 343°C)
Enclosure:
Without display or AC power supply: -40 to 158°F (-40 to 70°C)
With display and/or AC power supply: -4 to 158°F, (-20 to 70°C)
Remote sensor junction box: -40 to 212°F (-40 to 100°C).
Input Power:
24 VDC (± 10%), 0.7 Amps (standard DC power)
100 to 240VAC~(+10%/-15%), 50-60Hz, 0.2 Amps (with AC power option)
Note: Fluctuations of AC and DC power supply are not to exceed ± 10% of rating.
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Appendices: Specifications