Dwyer TFM-LP - Manual (Page 22)

F-20-TF-L, pg. 22 of 30
Model TFP-LI Model TFM-LI
Display 3.5 Digit Non Backlit LCD, 0.39” (10mm) high digits
Accuracy (including linearity) ±1.0% Full Scale 1
Repeatability ±0.2% Full Scale 1
Pressure Rating 100 psig
(6.8 bar) 500 psig
(34.5 bar)
Temperature Rating Operating Range: 5 to 55°C
Storage Range: 0 to 70°C
Temperature Sensitivity ±0.2% F.S. 1 or less per °C
Wetted Materials Ryton ®
Epoxy
Glass
Sapphire
316 Stainless*
Ryton ®
Epoxy
Glass
Sapphire
O-Ring Material Viton ®
Fitting Material (Standard) Acetal Stainless Steel
Optional Fitting Materials Acetal, Kynar PVDF, brass, or stainless steel
Recommended Filtration 25 microns or less
Compatible Liquids Low viscosity (ideally <10cS)
Translucent or transparent
Minimum amount of entrapped air or gas
0-5VDC Output Signal Standard
Minimum 2.5 K Ω load
Typical Power Consumption 12 VDC @ 35 mA
(11.5-15 VDC)
Response Time Typically <1 second for 97% of final value
Reliability 100,000 hours MTBF
Certifications CE Approved
89/336/EEC (EN 55011 & EN 50082-1)
73/23/EEC Low Voltage Directive
Ratings IP10 (NEMA 1)
Warranty 1 year limited
1. Specifications from 10-100% of rated flow. Linearity is best fit straight line. All
calibrations performed with deionized water unless otherwise stated on calibration
certificate