low cost venturi flow meters manufacturers for fluids measuring

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

Repeatability

± 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

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

1450psi(g)/100bar(g)

Mounting Attitude Sensitivity

None

Ingress Protection

IP40

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.

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 /

Modbus TCP/IP / EtherCAT / PROFIBUS-DP

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

500slm：1 .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.

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.

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.