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FMA3100 Series mass flow sensors
represent a breakthrough in mass
flow sensor technology. State-of-the-art
electronics, a compact mechanical
design, and mass production tooling
concepts are combined into
one high-performance, cost
effective product. The gas
flow sensor is suitable
for many OEM
applications. A 0 to 5 Vdc
linear output is standard.
Using the basic FMA3100 thermal
mass flow sensor, the FMA3200
mass flow controllers offer accurate,
stable control of gas flows in a
compact package. In power-off
mode, the flow control valve is
closed with a minimal leak rate. This
cost-effective controller is ideal for
many OEM applications, with a 0 to
5 Vdc linear output and a 0 to 5 Vdc
control input.
The FMA3300s combine the
features of the FMA3100 with an
adjustable 31.2 digit LCD digital
display meter for viewing flow rate in
engineering units (i.e., mL/min or
L/min). These compact flowmeters
have proved effective in many
laboratory applications. An
NIST-traceable calibration certificate
for air is provided at no extra cost.
GENERAL SPECIFICATIONS
Output: 0 to 5 Vdc (2500 Ω minimum)(4 to 20 mA optional)
Input Setpoint Voltage(FMA3200 Only): 0 to 5 Vdc
Accuracy: ±1.5% FS*
Repeatability: ±0.5% FS
Response Time: 2 seconds (typical)to within ±2% of actual flow rate from 25 to 100% of full scale
Operating Ambient: 10 to 50°C (50 to 122°F), non-condensing atmosphere
Operating Pressure Range:To 150 psi maximum at 25°C (77°F)
Temperature Coefficient: ±0.2% per °C
Pressure Coefficient: ±0.02% per psi
Leak Integrity: 1x10-4 SCCS, He maximum to outside environments
Input Power:
FMA3100 and FMA3300: 12 to 15 Vdc, 100mA (1.5W)
FMA3200: 12 to 15 Vdc, 250 mA (3.75W)
Connections: 1/8" compression fittings, flow ranges up to 1 L/min; ¼" compression fitting for up to 5 L/min; 3/8" compression fitting for 10 L/min
Wetted Materials: Anodized aluminum, FKM O-rings, 304 and 316 SS, epoxy, acetal compression tube fittings standard
Gases: Most clean, dry gases (e.g., air, nitrogen, carbon dioxide, argon, hydrogen, helium, methane, oxygen)
Filtration: Requires 20-micron filter if gas contains any particulate matter
SPECIFICATIONS(FMA3200 Flow Controllers)
Differential Pressure: 5 to 40 psi
Valve Cycle Life: >1 million cycles; valve is normally closed
Leakage Through the Valve: 0.2 SCCM or less than 2% FS, whichever is greater
Control Range: 50:1
Remote Setpoint Voltage: 0 to 5 Vdc
Weight:
FMA3100: 199 g/0.44lb(907 g/2.0lb shipping)
FMA3300: 249 g/0.55lb(1.1 kg/2.5lb shipping)
FMA3200: 386 g/0.85lb(1.4 kg/3lb shipping)
Size Without Fittings (Approx.):
FMA3100: 47 x 26 x 90mm(1.87 x 1.03 x 3.55")
FMA3300: 47 x 26 x 127mm(1.87 x 1.03 x 5.0")
FMA3200: 81 x 26 x 97mm(3.17 x 1.03 x 3.80")
* Stated accuracy under Specifications valid for the following conditions:
1. Temperature between 18 and 25°C (64 and 77°F)
2. Warm-up time: at least 10 min
3. Power input voltage stable (12V ±0.1V) typical
4. Linearity: Add ±0.5% for ranges up to 500 mL/min, ±1.0% over 500 mL/min
5. Accuracy range: 10 to 100%
6. Line pressure of 1 to 30 psi for FMA3100 and FMA3300, and at factory-specified settings for FMA3200
7. Factory gas (specified) is used
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† All dollar amounts on this site are shown in US currency.
Note: Comes complete with operators manual.
Cables: * For use with power supplies which have terminal connections
Order power supply seperately.
*Specify gas, inlet/outlet pressure, temperature
**Flow ranges stated are based upon dry air or Nitrogen as a standard; other gases available add $125).
(OPTIONS SHOWN IN THIS "NOTE" ABOVE ARE PRICED IN US$)
Ordering Example: (1) FMA3306 0-1000 SCCM flow meter with display, (1) FMA3115PW Power Supply/output cable 0 to 5 volts = $640
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Keywords:Economical Mass Flow Controllers and Meters for All Clean Gases, flow meter, flowmeter, flow measurement, gas flow, air flow, leak detection
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