Filter
Top Products
70 LF-Series Flowmeters: Sensor/Transmitter Installation
Dimensions and Specifications
Table A-2 Gas flow rates
(1)
(1) Flow rates that produce approximately 14.5 psid (1.0 bar) pressure drop on air at 70 °F (21.1 °C) and 500 psi (35 bar)
Mass Volume
lb/hr kg/hr SCFH SCCM
Typical flow rate LF2M 0.225 0,102 2.99 1408,0
LF3M 0.881 0,400 11.7 5521,8
LF4M 8.343 3,78 110.82 52300
Table A-3 Liquid and gas performance
Mass flow accuracy
(1)
(1) Stated flow accuracy includes the combined effects of repeatability, linearity, and hysteresis. All specifications for liquids are based
on reference conditions of water at 70 °F (21.1 °C).
Standard ±1.0% of rate or % of rate, whichever is greater
Optional ±0.5% of rate or % of rate, whichever is greater
Mass flow repeatability ±0.05% of rate or % of rate, whichever is greater
Mass flow
reproducibility
±0.05% of rate or % of rate, whichever is greater
Zero stability lb/hr kg/hr
LF2M 0.0004 0,0002
LF3M 0.0022 0,001
LF4M 0.1264 0,012
Liquid density Range
(2)
(2) Contact factory for applications with fluid density between 0.3 and 0.5 g/cm
3
.
0 to 0.3 g/cm
3
and 0.5 to 2.0 g/cm
3
Accuracy
(3)
(3) At temperatures other than 70 °F (21.1 °C), you can expect an additional density error of approximately 0.0005 g/cm
3
per °C.
±0.005 g/cm
3
Repeatability ±0.002 g/cm
3
Temperature Ambient and process 0 to 65 °C (32 to 149 °F)
Accuracy ±0.5 °C (±1.0 °F)
Maximum operating
pressure
Standard 35 bar (500 psi)
Optional 100 bar (1500 psi)
±
zero stability
flow rate
---------------------------------
⎝⎠
⎛⎞
100×
±
zero stability
flow rate
---------------------------------
⎝⎠
⎛⎞
100×
1
2
---
±
zero stability
flow rate
---------------------------------
⎝⎠
⎛⎞
100
×
1
2
---
±
zero stability
flow rate
---------------------------------
⎝⎠
⎛⎞
100×