EPI ValuMass Series 540 VAL | Insertion Flow Meters

Description

ValuMass Series 540 Thermal Mass Insertion Flow Meters

ValuMass leads the market in offering effective, reliable solutions for measuring the mass of air and gas. With our ValuMass Series 540 Thermal Mass Insertion Flow Meters, your temperature-sensitive applications are in good hands. These carefully engineered instruments offer precise measurement of both hot and cold gas streams. They have been designed with a sort of “battle-proof” construction, ensuring long-term accuracy under the harshest conditions.

The ValuMass Series 540 is designed for industries that demand top-quality, reliable gas flow rate control and monitoring. These thermal mass insertion flow meters go to the heart of the application. They provide unparalleled service at a price that creates real value for the end user.

• Meter Type: Insertion – ideal for retrofit and new applications.
• Enclosure: Completely integrated electronics promote durability and user-friendliness.
• Warranty: Ranging from 1 to 4 years, assuring reliability and performance.
• Certifications: CE marked, attesting to its quality and compliance with European standards.
• Build and Design: Incorporating reference-grade platinum and other high-quality materials, these flow meters are crafted for longevity and resistance to corrosion and abrasion.

Our ValuMass Series 540 is an indispensable tool for operators needing an accurate measure of mass flow in various gas and air applications. Built to provide sustained performance, these meters offer:

• A rugged, cleaned, and easily maintainable sensor.
• Temperature compensation to counterbalance any ambient temperature fluctuations.
• Designed for easy insertion with available lengths ranging from 6” to 60”.
• Advanced RTD technology guarantees consistent and precise measurements.

Specifications

Linear Signal Output

• 0–5 VDC & 4–20 mA (Flow and Temperature)
• 0 – 1 kHz (proportional to flow for total/counter)

Event Relay Rating

• One with Frequency or two, 1 Amp @ 30VDC (33W)

Signal Interface

• RS485 Modbus RTU (standard) & BACnet

Display

• Optional 2-line, 16-character backlit LCD and 4-button keypad (flow rate, flow total, gas temperature, milliwatts)

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

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

Repeatability

• ±0.2% of Full Scale

Gas Temperature Coefficient (GTC)

• 0.02% Full Scale/°C

Dry Gas – Sensor Type CTA

• SSS, CTA (Constant Temperature Anemometer)
  • Sensor Response Time (TC to 63% Final Value): 1 second (sensor skin temperature varies)

Wet Gas – Optional Sensor Type CCA

• SSS, CCA (Constant Current Anemometer)
  • Sensor Response Time (TC to 63% Final Value): 10 seconds (sensor thermal mass temperature varies)

Turn Down Ratio

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

Sensor Temperature Limits

• -40° to 400°F (-40° to 204°C), temperature compensation range determined at time of order

Environmental Temperature Limits

• -40° to 140°F (-40° to 60°C)

Electronics PCB Temperature Limits

• -40° to 158°F (-40° to 70°C)

Gas Pressure Effect

• Negligible over ±20% of absolute calibration pressure

Insertion Flowmeters

• 500 PSIG (Stainless Steel ferrule)
• 25 PSIG (Teflon™ ferrule)

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

Wetted Materials

• 316L Stainless Steel (optional Hastelloy C276)

Standard Temperature & Pressure (STP)

• 70°F & 29.92″ Hg (Air = 0.075 Lbs./FT(^3))

NIST Traceable Calibration

• Standard

Enclosure Marking Only

• Ex; IECEx; CSA, FM – Ex II2G Ex d IIC Gb, Ex IID Ex t IIIC Db
• Classes: 1, Gr. A, B, C, D; II, Gr. E, F, G; III Type 4X
• IP68 (sealed per Mfg. Ins.)
• Zone 1, Zone 2, Zone 21, Zone 22
• Division 1, Division 2