CMC Technologies Pty Limited

Engineering & Industrial Instrumentation

EPI ValuMass Series 440 VAL | Insertion Flow Meters

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  • Meter Type: Inline, designed for direct inclusion in pipe systems.
  • Enclosure: NEMA 4X (IP66)
  • Certifications: CE marked, attesting to its quality and compliance with European standards.


ValuMass Series 440 VAL Thermal Mass Insertion Flow Meters

EPI’s ValuMass™ Series 440 flow measurement instrument is a cost-effective and easy-to-install solution for various flow applications. It offers high value. With a standard NEMA 4X Rated (IP66) enclosure, this insertion thermal mass flowmeter is expertly crafted for applications that do not require the hazardous rating; that is, the enclosure is certified for Ordinary Locations.

The two RTD (Resistance Temperature Detector) sensing elements in the ValuMassTM Series 440 are optimised for mass flow metering that is both highly accurate and repeatable. The sensors are precise and highly resistant because they are made of high-quality materials like reference-grade platinum, ceramic, glass, and stainless steel, and they are designed using exclusive temperature compensation techniques. In order to enhance defence and resilience against abrasion and corrosion, we additionally coat our sensors with a stainless-steel

Key Features to highlight in the ValuMass Series 440 include:

  • Meter Type: Insertion, facilitating ease of installation in diverse settings.
  • Enclosure: Equipped with a NEMA 4X Rated (IP66) standard enclosure.
  • Warranty: Reliable with a 1-4 year warranty period.
  • Certifications: Proudly CE certified, ensuring compliance with important international standards.
  • Material Resilience: Built with high-grade materials like platinum, ceramic, glass, and stainless steel, safeguarding against corrosion and abrasion.

Capabilities of the ValuMass Series 440:

  • Advanced RTD sensors for accurate temperature readings, critical for precise flow measurements.
  • Proprietary temperature compensation technology that adjusts readings to account for variances, ensuring reliability under varying operational conditions.
  • Options for different probe lengths (6”, 12”, and 18”), catering to specific measurement needs and installation environments.
  • The ability to withstand the rigors of industrial use, featuring a large, rugged sensor assembly that remains relatively insensitive to dirt build-up.
  • Customizable options such as tube fittings and ball valve retractor assemblies, enhancing adaptability and ease of maintenance.

Accuracy, Including Linearity (Ref.: 21°C)

  • ±(1% of Reading + 0.5% of Full Scale + GTC)


  • ±0.2% of Full Scale

Linear Signal Output

  • Software Controlled 0 – 5 or 0 – 10VDC (Flow and Temperature), 4 – 20 mA (Flow and Temperature), RS485 Modbus RTU (Flow Rate/Total, Temperature), Optional 0 – 1 kHz (proportional to flow for total/counter)

Sensor Response Time

  • 1 second to 63% of final value

Turn Down Ratio

  • 100:1 @ 10 SFPM (.051 NMPS) Minimum Reading

Electronics PCB Temperature Range

  • -40° to 158°F (-40° to +70°C)

Environmental Temperature Range

  • -40° to 140°F (-40° to +60°C)

Gas Temperature Range

  • -40°–392°F (-40°–200°C)

Gas Pressure Effect

  • Negligible over ± 20% of absolute calibration pressure

Insertion Flowmeters

  • 500 PSIG (Stainless Steel ferrule), 25 PSIG (Teflon™ ferrule), 250 PSIG with Locking collar & safety cable

Input Power Requirement

  • 24VDC @ 250mA, 115 VAC 50/60 Hz optional, 230 VAC 50/60 Hz 50mA optional

Transmitter Power Requirements

  • 5 Watts or less

Relay Output Rating

  • 1 Amp @ 30VDC (33W) (2 Relays, 1 if Freq. Out needed)


  • RS-232C, RS485 Modbus RTU


  • Optional 2-lines, 16 characters per line, backlit LCD (No Keypad)

Wetted Materials

  • 316 & 316L Stainless Steel

Standard Temperature & Pressure (STP)

  • 70°F & 29.92″ Hg (Air = 0.075 Lbs. / FT3)

NIST Traceable Calibration

  • Standard

Enclosure Rating

  • NEMA 4X (IP66)

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