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Monitor Technologies, LLC
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QuantiMass - Mass Flow Measurement Sensor, Inline for Powders and Bulk Solids

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The QuantiMass mass flow / solids flow sensor (meter) measures the flow of quantities in pneumatic conveying & free-falling processes for powders, dust, bulk solids, pellets, and granular up to 0.75 inch (2cm). The solids flow sensor (meter) is based on the latest microwave technology and provides fast, continuous in-line (online) measurements of the powder or bulk solid material. The sturdy, non-intrusive design of the sensor minimizes maintenance. Also, the compact size of the sensor makes for easy installation into existing processes.  Available with a DIN-rail transmitter (PRO Version) or controller (ULTRA Version) to provide output.

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  • Measure flow of quantities in pneumatic conveying & free-falling processes
  • In-line (on-line) measuring without the use of weight scales
  • Latest microwave Doppler effect technology to provide typical accuracies of 1% - 3%
  • Compact size for easy installation into existing processes
  • Sturdy, non-intrusive sensor design minimizes maintenance
  • Fast measuring & adjustable sensitivity
  • Integrator / Totalizer feature, through the Ultra series controller, provides a sum of the mass flow for a period of time
  • Suitable for powders, dust, pellets, and granulars up to 0.75 inch (2cm)

The QuantiMass Mass Flow Measurement Sensor / Meter is designed with the latest microwave technology and is used to continuously quantify the flow of powders & solids being conveyed in metallic pipes. The QuantiMass is based on technology that has been developed and proven over several years. The measurement process of the sensor is centered on the Doppler effect. The mass flow-rate is determined by evaluating the frequency and amplitude changes during the measurement process. Particles at rest, such as deposits, do not influence the measurement. All powders, dust, pellets and granules can be measured reproducibly, up to the size of 0.75 inch (2cm). The QuantiMass sensor is suitable for continuous in-line / on-line measurements in pneumatic conveying or in free-fall pipelines.

Typical Applications include, but are not limited to:

  • Feed and grain industries
  • Food industry
  • Building materials industry
  • Wood dust
  • Coal dust
  • Ceramics production
  • Cement industry
  • Chemical industry
  • Detergent industry
  • Fertilizer industry
  • Glass production
  • Metal production
  • Pharmaceuticals
  • Pigment production
  • Plastic industry
  • Rubber goods
  • Recycling industry
  • Synthetic materials
  • Textiles production
  • Tobacco industry

Ultra Series

A complete QuantiMass Ultra system consists of the controller and the sensor. The controller provides graphic user interface with softkeys and a clearly arranged display of the measured, alarm and MIN/MAX values, combined with easy editing and parameterization for simple operation. In addition, up to 24 different product parameters can be stored in the controller to accommodate product or process changes. The Ultra series controller has an Integrator / Totalizer feature that provides a sum of the mass flow for a period of time.

PRO Series

A complete QuantiMass PRO system consists of the DIN-Rail transmitter and the mass flow measurement sensor. The DIN-Rail transmitter allows for easy integration into an existing control system. Calibration software is provided. In addition, up to 24 different product parameters can be recorded to accommodate product or process changes.

(Optional BCD Product Characterist Switching - Up to 15 Product Char.)

Process Data

  • Pipe diameter: 1” to 12” (25mm to 300mm)
  • Particle size: .001 micron to 0.75” (1nm to 20mm)
  • Moisture: Depending on the product
  • Pressure: Up to 6 bar (Option uo to 30 bar)
  • Temperature: -4 to +194°F (-20 to +90°C) (Higher temperatures on request)

Sensor Data

  • Medium touched parts: 304S S (1.4307) or 316 SS (1.4571) and Polyamide 6.6
  • Process connection: Specialty welding branch
  • Housing material: 304 SS (1.4307) or 316 SS (1.4571)
  • Protection class: IP 65
  • Ambient Temperature: +14 to 158°F (-10 to +70°C)
  • Sensor Dimensions: Approx. 11.42”L x 2.36” Diameter (Approx. 290 x 60mm)
  • Sensor Dimensions (450°C Hi-Temp Version): Approx. 12.33”L x 3.00” Diameter (Approx. 313.2 x 76.2mm)
  • Sensor weight (approx.): 3 lbs. (1.4 kg)
  • Sensor weight (approx.): 4 lbs. (1.8 kg) - 450°C Hi-Temp Version
  • Accuracy: 1 to 3% typical
  • Power: Via transmitter (PRO) or via controller (Ultra)
  • Interconnection: 4 wires, shielded, 3280 ft (1000m) max
  • Welding branch dimensions: 3.94"L x 1.18" Diameter (100 x 30mm)
  • Welding branch dimensions (450°C Hi-Temp Version): 3.94"L x 1.38" Diameter (100 x 35mm)
  • Desktop Controller (for Ultra Series)
  • Response time: Approximately 1 second
  • Averaging time: 0 – 999 seconds
  • Power supply: 115 VAC / 24V AC/DC or 230 VAC / 24V AC/DC
  • Outputs: ¼ VGA-LC Display, relay, analog, RS-485
  • Controller dimensions (Desktop Model): 9.33” x 5.22” x 11.61” (237 x 132.5 x 295mm)
  • Dependent on model selected
  • Transmitter (for PRO Series)
  • Construction: Housing for 35mm DIN-Rail (EN 50022)
  • Input power: 24 V AC/DC (Power supply ordered separately)
  • Ambient temperature: +14 to +140°F (-10 to +60°C)
  • Protection class: IP 30
  • Output signal: 0/4-20 mA (max. 750 Ohm); 0/2-10 Volt
  • Interfaces: RS-232, RS-485
  • Transmitter dimensions: 4.53in L x 0.89in W x 3.94in H (115 x 22.5 x 100mm)
  • Transmitter weight (approx.): 0.33 lbs. (0.15 kg)