GM1 Series - Nitrogen Mass Flow Meter - Aluminum, Low Flow, With or Without LCD Readout, 1/4 Inch Compression Fittings, 0-5VDC Analog Output

Compact, self-contained Mass Flow Meters are designed to read flow rates of gases. The rugged designed coupled with instrumentation grade accuracy provides versatile and economical means of flow measurement. Available in flow ranges from 10 mL/min to 1000L/min relative to Nitrogen, each model is calibrated on-site with numerous gas selections, including gas mixtures offered. For gases and gas mixtures not shown consult with Dakota. Accuracy +/-1% full scale for models up to 100 Liters per minute. Flow rates are unaffected by temperature and pressure variations within stated limitations.

The mechanical layout of the design includes an optional LCD readout built into the top of the transducer. This readout module is tiltable over 90 degrees to provide optimal reading comfort. It is connected to the transducer by a standard modular plug, and is also readily removable for remote reading installations. Aluminum and stainless steel models with readout options of either engineering units (standard) or 0 to 100 percent displays are available.


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  • Rigid metallic construction
  • Maximum pressure of 1000 psig (70 bars).
  • Leak Integrity 1 x 10-9 of helium.
  • NIST traceable certification.
  • Built-in tiltable LCD readout.
  • 0-5Vdc and 4-20mA signals.
  • Circuit protection
  • Engineering units or 0 to 100% displays.
  • Totalizer option.
Specifications: GM Series Analog Mass Flow Meters
Accuracy: GM1, GM3 and GM4 models (up to 100 standard liters per minute): +/-1.0% of full scale
GM5, GM6 AND GM7 models (up to 1000 standard liters per minute): +/-1.5% of full scale.
Optional Enhanced Accuracy: +/-1.0% of full scale
Calibrations:
Peformed at standard conditions [14.7psia (101.4kPa) and 70°F (21.1°C)] unless otherwise requested.
Repeatability:
+/-0.25 of full scale
Response Time: Generally 2 seconds to within +/-2% of actual flow rate over 25 to 100% of full scale
Temperature Coefficient:
0.15% of full scale/°C
Pressure Coefficient:
0.01% of full scale/ psi (0.07 bar)
Gas and Ambient Temperature:
32°F to 122°F (0°C to 50°C). 14°F to 122°F (-10°C to 50°C) - Dry gases only
Output Signals:
Linear 0-5Vdc. 1000 Ohms min. load impedance and 4-20mA 0-500 Ohms loop resistance.
Transducer Input Power:
Universal +12 to +26VDC, 200mA maximum.
Time Constant:
800ms
Gas Pressure:
1000 psig (70 bars) maximum for models up to 100 standard liters per minute (GM1, GM3 and GM4)
500 psig (34.5 bars) maximum for models up to 1000 standard liters per minute (GM5, GM6 and GM7)
NOTE: 20 psig (1.4 bars) optimum operating pressure for GM1, GM3, GM4, GM5, GM6, GM7 models.
Materials In Fluid Contact:
a. Aluminum models: anodized aluminum, 316 Stainless steel, brass and Viton® O-rings.
b. Stainless steel models: 316 Stainless steel and Viton® O-rings
***Optional O-rings available: Buna®, EPR and Kalrez®
Attitude Sensitivity:
No greater than +15 degree rotation from horizontal to vertical; standard calibration is in horizontal position.
Connections:
GM1: 1/4" compression fittings. Optional: 6mm, 3/8" and 1/8" compression fittings or 1/4" VCR®.
GM3: 1/4" compression fittings. Optional: 6mm, 3/8" compression fittings or 1/4" VCR®.
GM4: 3/8" compression fittings.
GM5: 3/8" compression fittings.
GM6: 1/2" compression fittings.
GM7: 3/4" FNPT fittings or 3/4" compression fittings.
Leak Integrity:
1 x 10-9 smL/sec of helium maximum to the outside environment.
CE Compliant:
EN 55011 class 1, class B; EN50082-1
Usually Ships in 5 to 7 Business Days
Item # Item Description Item Price Subtotal Qty
6AGM1AL5-01NC Aluminum - With LCD Readout, 1/4 Inch Compression Fittings, 0-5VDC Output, 0 - 10 mL/min Nitrogen $562.00 $0.00
6AGM1AL5-02NC Aluminum - With LCD Readout, 1/4 Inch Compression Fittings, 0-5VDC Output, 0 - 20 mL/min Nitrogen $562.00 $0.00
6AGM1AL5-03NC Aluminum - With LCD Readout, 1/4 Inch Compression Fittings, 0-5VDC Output, 0 - 50 mL/min Nitrogen $562.00 $0.00
6AGM1AL5-04NC Aluminum - With LCD Readout, 1/4 Inch Compression Fittings, 0-5VDC Output, 0 - 100 mL/min Nitrogen $562.00 $0.00
6AGM1AL5-05NC Aluminum - With LCD Readout, 1/4 Inch Compression Fittings, 0-5VDC Output, 0 - 200 mL/min Nitrogen $562.00 $0.00
6AGM1AL5-06NC Aluminum - With LCD Readout, 1/4 Inch Compression Fittings, 0-5VDC Output, 0 - 500 mL/min Nitrogen $562.00 $0.00
6AGM1AL5-07NC Aluminum - With LCD Readout, 1/4 Inch Compression Fittings, 0-5VDC Output, 0 - 1 L/min Nitrogen $562.00 $0.00
6AGM1AL5-08NC Aluminum - With LCD Readout, 1/4 Inch Compression Fittings, 0-5VDC Output, 0 - 2 L/min Nitrogen $562.00 $0.00
6AGM1AL5-09NC Aluminum - With LCD Readout, 1/4 Inch Compression Fittings, 0-5VDC Output, 0 - 5 L/min Nitrogen $562.00 $0.00
6AGM1AL5-10NC Aluminum - With LCD Readout, 1/4 Inch Compression Fittings, 0-5VDC Output, 0 - 10 L/min Nitrogen $562.00 $0.00
6AGM1AN5-01NC Aluminum - No LCD Readout, 1/4 Inch Compression Fittings, 0-5VDC Output, 0 - 10 mL/min Nitrogen $474.00 $0.00
6AGM1AN5-02NC Aluminum - No LCD Readout, 1/4 Inch Compression Fittings, 0-5VDC Output, 0 - 20 mL/min Nitrogen $474.00 $0.00
6AGM1AN5-03NC Aluminum - No LCD Readout, 1/4 Inch Compression Fittings, 0-5VDC Output, 0 - 50 mL/min Nitrogen $474.00 $0.00
6AGM1AN5-04NC Aluminum - No LCD Readout, 1/4 Inch Compression Fittings, 0-5VDC Output, 0 - 100 mL/min Nitrogen $474.00 $0.00
6AGM1AN5-05NC Aluminum - No LCD Readout, 1/4 Inch Compression Fittings, 0-5VDC Output, 0 - 200 mL/min Nitrogen $474.00 $0.00
6AGM1AN5-06NC Aluminum - No LCD Readout, 1/4 Inch Compression Fittings, 0-5VDC Output, 0 - 500 mL/min Nitrogen $474.00 $0.00
6AGM1AN5-07NC Aluminum - No LCD Readout, 1/4 Inch Compression Fittings, 0-5VDC Output, 0 - 1 L/min Nitrogen $474.00 $0.00
6AGM1AN5-08NC Aluminum - No LCD Readout, 1/4 Inch Compression Fittings, 0-5VDC Output, 0 - 2 L/min Nitrogen $474.00 $0.00
6AGM1AN5-09NC Aluminum - No LCD Readout, 1/4 Inch Compression Fittings, 0-5VDC Output, 0 - 5 L/min Nitrogen $474.00 $0.00
6AGM1AN5-10NC Aluminum - No LCD Readout, 1/4 Inch Compression Fittings, 0-5VDC Output, 0 - 10 L/min Nitrogen $474.00 $0.00

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Usually Ships in 5 to 7 Business Days
$562.00

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