Siemens SITRANS FUS1020, Manual, Page: 104 / 251

4-10
1020NFM-1D Section 4
Size 1 Size 2
Liquid
Must be compatible with 316SS Must be compatible with 316SS under
under operating conditions and free operating conditions and free of sus-
of suspended gasses or solids. pended gasses or solids.
Pressure Drop
0.21 psi @ 1.6 GPM (6.0 LPM) 0.20 psi @ 4.5 GPM (17.0 LPM)
flowing water at 68°F flowing water at 68°F
Sensitivity
0.0005 GPM (0.002 LPM) 0.0015 GPM (0.0057 LPM)
Linearity
1% of flow for rates above 0.1 GPM 1% of flow for rates above 0.3 GPM
(0.38 LPM) (1.1 LPM)
Repeatability
±0.2% of flow for rates above 0.5 ±0.2% of flow for rates above 1.5
GPM (1.9 LPM) GPM (5.7 LPM)
Zero Stability
±0.001 GPM (0.0038 LPM) ±0.004 GPM (0.015 LPM)
Accuracy,
±1% of flow over 0.13 GPM (0.57 ±1% of flow over 0.4 GPM (1.5
Intrinsic
LPM) to 10 GPM (40 LPM) LPM) to 30 GPM (114 LPM)
Accuracy, Flow
±0.5% of flow over 0.13 GPM (0.5 ±0.5% of flow over 0.4 GPM (1.5
Calibrated LPM) to 10 GPM (38 LPM) LPM) to 30(114 LPM)
Connection
5 /
8
” Swagelok Tube Fitting 1” Swagelok Tube Fitting
4.7 SPECIFICATIONS – 316 STAINLESS STEEL FLOW TUBE
*Typical values, subject to change without notice
4.6 SPECIFICATIONS – TEFLON PFA FLOW TUBE
*Typical values, subject to change without notice
Liquid
Must be compatible with PFA under Must be compatible with PFA under
operating conditions and free of sus- operating conditions and free of
pended gasses or solids. suspended gasses or solids.
Pressure Drop
0.23 psi @ 1.0 GPM (3.8 LPM) 0.23 psi @ 3.0 GPM (11.4 LPM)
flowing water at 68°F flowing water at 68°F
Sensitivity
0.0004 GPM (0.0015 LPM) 0.001 GPM (0.004 LPM)
Linearity
1% of flow for rates above 0.07 GPM 1% of flow for rates above 0.27 GPM
(0.26 LPM) (1.00 LPM)
Repeatability
±0.2% of flow for rates above 0.6 ±0.2% of flow for rates above 1.5 GPM
GPM (2.3 LPM) (5.7 LPM)
Zero Stability
±0.001 GPM (0.0038 LPM) ±0.003 GPM (0.012 LPM)
Accuracy,
±1% of flow over 0.15 GPM (0.57 ±1% of flow over 0.5 GPM (1.9 LPM) to
Intrinsic
LPM) to 5 GPM (20 LPM) 16 GPM (60 LPM)
Accuracy, Flow
±0.5% of flow over 0.15 GPM (0.57 ±0.5% of flow over 0.5 GPM (1.9 LPM)
Calibrated
LPM) to 5 GPM (20 LPM) to 16 GPM (60 LPM)
Connection 1
/
2
”
Flaretek Ultrapure PFA Tube
3
/
4
” Flaretek Ultrapure PFA Tube
Fitting Fitting
Size 1 Size 2