Installation and Operation Manual
X-CM-QmB-eng
Part Number: 541B029AAG
July, 2018
QmB Series IP40, IP66, IP66XP
100
1,000
10,000
100,000
50
100
200
500
1000
1500
Fl
ow
ra
te
(sc
cm
)
Inlet Pressure (psig)
Size 2 Controller
Size 3 Controller
Size 4 Controller
Size 2 Meter
Size 3 Meter
Size 4 Meter
Accuracy
(6)
+
measurement accuracy % of rate or [(zero stability/flowrate) x 100] % of rate, which ever is greater
Measurement Accuracy
Zero Stabilities
Standard Measurement Accuracy vs Flow Rate Chart, Tube Size 2
Gas Flow Limits
Air, 70
o
F (21
o
C), 14.5 psi (1 bar) pressure drop
Sensor Tube
Material
Steel
Hastelloy
Fluid Type
Standard Flow
Measurement
Accuracy (% of rate)
Optional Flow
Measurement
Accuracy (% of rate)
Liquid
Gas
Liquid
Gas
0.2%
0.5%
0.5%
0.5%
0.5%
1.0%
1.0%
1.0%
Sensor Tube
Material
Stainless Steel
Hastelloy
Tube Size
Zero Stability
(Kg/hr)
Zero Stability
(Lb/hr)
2
3
4
2
3
4
0.00013
0.0010
0.0040
0.0002
0.0015
0.00120
0.0003
0.0022
0.0088
0.0004
0.0033
0.0265
1-3
