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Mass Flow Meter

Mass Flow Meter
Mass Flow Meter
Place of Origin

MOQ: 1

Payment: TT,VISA,Western Union,MasterCard,

Delivery time: 5-15 days

Start Port: Beijing

Certification: N/A

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Technical Data for Sincerity TMF- Series Mass Flow Meters

0.5sccm – 6000 slm Full Scale

Standard Specifications (Contact Beijing Sincerity for available options.)


TMF -Series Mass Flow Meter

Accuracy at calibration conditions after tare

± 1% of Full Scale

High Accuracy at calibration conditions after tare

±0.5% of Full Scale

High Accuracy option not available for units ranged under 5 sccm or over 3000 slm


± 0.2% Full Scale

Zero Shift and Span Shift

0.2% Full Scale / ºCelsius / Atm

Operating Range / Turndown Ratio

1% to 100% Full Scale /100:1 (200:1 optional)

Maximum Measurable Flow Rate

100% Full Scale

Typical Response Time

<500 ms

Leakage Rate

1×10-9 atm ·cc/s He


Operating Conditions

TMF -Series Mass Flow Meter

Mass Reference Conditions (STP)

25ºC & 14.696 psia (standard — others available on request)

Operating Temperature

0 to +50 ºCelsius

Humidity Range (Non–Condensing)

0 to 90%

Maximum Internal Pressure (Static)

145 psi(g)/10bar(g) optional: Max.1450psi(g)/100bar(g)

Pressure Differential (Inlet to Outlet)

145 psi(d)/10bar(d)

Proof Pressure


Mounting Attitude Sensitivity


Ingress Protection




Wetted Materials


316L 417J1 Stainless Steel, Viton, Heat Cured Silicone Rubber, Glass Reinforced Polyphen

ylene Sulfide, Heat Cured Epoxy, Aluminum, Gold, Steel, Silicon, Glass. If your application demands a different material, please contact Grylls.


Communications / Power

TMF -Series Mass Flow Meter

Monochrome LCD or color TFT display Integrated multifunction button

Display Mass Flow, Cumulative Flow, conversion gas coefficient and other functions

Digital Communications Options1

RS-232 Serial / RS-485 Serial / Modbus RTU / PROFIBUS / EtherNet/IP / DeviceNet /


Analog Signal2 Options

0-5 Vdc / 1-5 Vdc / 0-10 Vdc / 4-20 mA

Optional Secondary Output Signal2

0-5 Vdc / 1-5 Vdc / 0-10 Vdc / 4-20 mA

Electrical Connection Options

9-pin D-sub (DB9) / 15-pin D-sub (DB15) / RJ11

Supply Voltage

24 Vdc / ±15Vdc

Supply Current

under 500slm : 0.50 Amp ; above

500slm1 .0Amp

1. The Digital Output Signal communicates Mass Flow, Cumulative Flow.

2. The Analog Output Signal and Optional Secondary Analog Output Signal communicate your choice of Mass Flow, Cumulative Flow.



TMF -Series Mass Flow Meter



Gas conversion coefficient V2.0

Gas conversion coefficient provides 60 Preloaded Gas Calibrations: See the following page for a complete list.

If your application calls for a gas not on this list, please let us know. We can also calibrate to a wide variety of complex gas mixtures.




Range Specific Specifications

Full Scale Flow Mass Meter 1

Mechanical Dimensions 2

Process Connections3

TMF-series 0.5-10 sccm

TMF-series 10-100 sccm

TMF- Standard series and Digital series

4.72”H x 3.15”W x 1.22”D


G1/4” Female Thread

TMF-series 100-500 scmm

TMF-series 500-1000 sccm

TMF-series 1000-2000 sccm

GM-Intelligent series

TMF-series 2-5 slm

4.92”H x 2.76”W x 1.14”D

G3/8” Female Thread

TMF-series 5-20 slm

TMF-series 20-30 slm

TMF-series 30-100 slm


5.12”H x 3.74”W x 1.38”D


G3/8” Female Thread

TMF-series 100-200 slm

TMF-series 200-300 slm

TMF-series 300-500 slm


6.30”H x 6.89”W x 2.91”D


G1/2” Female Thread

TMF-series 500-1000 slm

TMF-series 1000-2000 slm

TMF-series 2000-3000 slm

TMF-series 3000-6000 slm

6.30”H x 6.89”W x 2.91”Dx2

Double G1/2” Female Thread

1. Lower Pressure Drops Available mass flow meters please contact Sincerity.

2. See drawings for metric equvalents.

3. Compatible with tube, face seal, push connect and compression adapter fittings. VCR and SAE connections upon request.

TMF-Standard series and Digital series




TMF-Intelligent series




TMF-Standard series and Digital series 30slm-300slm



TMF-Intelligent series 30slm-300slm


 TMF-Digital series



TMF-Intelligent series



Appendix: Sincerity Gas conversion coefficient V2.0



*For more single gas coefficients or mixed gas coefficients, please provide the specific heat and density of the gas medium and contact Beijing Sincerity for calculation.

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