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Digital Gas Flow Meters


Technical Specifications
Flow Range DFM-01 : 1 ml/min. to 50 ml/min. with least count of 0.1 ml/min.
DFM-02 : 5 ml/min. to 500 ml/min. with least count of 1 ml/min.
DFM-03 : 200 ml/min. to 2000 ml/min. with least count of 0.1 ml/min.
DFM-04 : 1 ml/min. to 500 ml/min. with least count of 0.1 ml/min. (auto range)
DFM-06 : 10 ml/min. to 400 ml/min. with least count of 0.1 ml/min. (auto range)
Accuracy ±2% of reading, ±1 digit
Power Supply 230 V AC, 50 Hz, 10W
Resolution 0.1 ml/min. & 1 ml/min.
Dimensions DFM-01 24 cm (H) x 13 cm (W) x 10 cm (D)
DFM-02 24 cm (H) x 13 cm (W) x 10 cm (D)
DFM-03 24 cm (H) x 13 cm (W) x 10 cm (D)
DFM-04 25 cm (H) x 16 cm (W) x 4 cm (D)
DFM-06 20 cm (H) x 10 cm (W) x 4 cm (D)
Optional Attachment Battery operated rechargeable system
Salient Features
  • Direct Digital Readout
  • Microcontroller Based
  • Digital Display of LED/LCD
  • Highly Accurate & Fast Readout
  • Useful for measuring any gas flow rate specially for G.C. & Analytical instruments
  • Easy to Operate
  • Free of Operational & Human Errors
  • DFM-01, 02, 03 & 04 - Table Mounting (Soap Solution Based)
  • DFM-05, DFM-06 - Portable (Direct Measurement)
Principle

The DIGITAL GAS FLOW METER is based on the classical method viz. Soap Film Method. The instrument is automated by using Microcontroller which provides highly accurate measurement and direct digital read out of gas flow rate. The time required for the soap film to pass through a fixed known volume is measured. The soap film is sensed by IR sensors. When the soap film passes through first sensor, it activates the timer of Microcontroller. Timer is stopped when the film crosses second sensor. The flow rate is then calculated by Microcontroller and instantly displayed in ml/min. Where as DFM-05 & DFM-06 are direct flow measurement based & battery operated.

Rotameter

Rotameter is used to measure flow of different gases

  • Body : Acrylic body or glass body (aluminium encased) with appropriate float as per flow and gas requirement.
  • Size : Standard size available is 6" - 8" length with needle valve.
  • Inlet & Outlet Connection : Back side with 1/4" BSP female connection with panel mounting, table mounting stand are also available.
  • Range : Any range in LPM or ml/min. (cc/min.) or LPH

Digital Gas Flow Meter DFM-05 (ELLUTIA 7000 GC Flowmeter)


Technical Specifications
  • Type of Measurement : Volumetric Flow
  • Accuracy of Measurements : ± 2% of flow reading or ± 0.2 ml/min. whichever is greater
  • Power Requirements : 2 AA alkaline batteries 1.5 V DC each / 3 V DC 200 ma
  • Operating Flow Range : 1 to 500 ml/min.
  • Operating Temperature Range : 0° - 48°C
  • Available Communication : USB data port
  • Warranty : 3 Years
  • Calibration : NIST traceable. Yearly calibration is recommended
  • Certification : CE, Ex
  • Compliance : WEEE, RoHS
Salient Features
  • Flow for gases across a range of 1-500 ml/min.
  • Yearly Calibration
  • Over-range warning indicator
  • Auto shutoff feature
  • Ergonomic design and side grips for comfort
  • Use as a benchtop or handheld unit
  • Measures most gas types
  • Convenient carrying / storage case included
  • Uses 2 AA batteries (included)
  • Data output via USB port