Performance characteristics of the cmb sensor, Reference conditions, Cmb flow ranges – Fluid Components International CMB User Manual
Page 15

3.4
Performance characteristics of the CMB sensor
3.4.1 Reference
conditions
•
Established flow profile
•
Inlet section has to correspond to mounting length
•
Operation is to be realized in the presence of downstream control valves
•
Measurement is to be realized in the absence of any gas bubbles
•
Flow tubes are to be kept clean at all times
•
Process temperature is to be regulated as specified in Section 3.6.1 Process temperature on
page 23
•
Process pressure is to be regulated as specified in Section 3.6.6 Process pressure range on
page 23
•
Ambient temperature is to range from + 10 °C to + 30 °C (50 °F to 86 °F)
•
Warm-up period: 15 minutes
•
Standard calibration is to be realized at 20 %, 50 % and 100 % (three times each)
•
High-frequency interference is to be regulated as specified in Section 17.2 Electromagnetic
compatibility on page 104
3.4.2
CMB flow ranges
Model
kg/h [lbs/min]
kg/h [lbs/min]
kg/h [lbs/min]
kg/h [lbs/min]
CMB-B
20 [0.7]
200 [7.3]
96 [3.5]
0.02 [0.001]
CMB-C
35 [1.3]
350 [12.9]
282 [10.4]
0.035 [0.00]
CMB-D
120 [4.4]
1,200 [44.1]
1,030 [37.8]
0.12 [0.00]
CMB-E
300 [11.0]
3,000 [110.2]
3,000 [110.2]
0.3 [0.0]
CMB-F
600 [22.0]
6,000 [220.5]
5,750 [211.3]
0.6 [0.0]
CMB-G
2,000 [73.5]
20,000 [734.9]
13,000 [477.7]
2 [0.1]
CMB-J
4,000 [147.0]
40,000 [1,469.7]
34,000 [1,249.3]
4 [0.1]
CMB-K
6,000 [220.5]
60,000 [2,204.6]
57,000 [2,094.4]
6 [0.2]
Zero point stability
(of range)
Max.
measuring range
Nominal
( p=1bar)
Min.
measuring range
Reference conditions: in conformity with IEC 770:
Temperature: 20 °C, relative humidity: 65 %, air pressure: 101.3 kPa
Fluid: water
CMB & CT OPERATING MANUAL
Part No 06EN003384 rev. 1.6
Page 15 of 106