EPI ValuMass Series 500 VAL | Inline Flow Meters

Description

ValuMass Series 500 VAL Inline Thermal Mass Flow Meters

ValuMass is a reliability in flow measurement technology, with our ValuMass Series 500 VAL Inline Flow Meters being reliable for precision and durability in numerous industrial thermal mass flow applications.

The ValuMass Series 500 integrates advanced technology and materials to provide seamless and accurate measurements of gas flows directly within your pipelines. Its design is made for straightforward integration into your existing pipe systems, ensuring minimal installation disruption and maximum operational efficiency.

Key Features of ValuMass Series 500 VAL Inline Flow Meters are:

• Meter Type: Inline, designed for direct inclusion in pipe systems.
• Enclosure: Features integrated electronics for all-in-one functionality.
• Warranty: Offers a warranty ranging from 1 to 4 years.
• Certifications: CE marked, attesting to its quality and compliance with European standards.
• Material Integrity: Manufactured with high-quality platinum and stainless steel, ensuring resistance to corrosion and wear.

Engineered to perform consistently under varied conditions, this meter is an great tool for process plants aiming to maintain control over their gas handling processes. Its features ensure users can depend on:

• Rugged, cleanable, and large sensor components capable of withstanding industrial environments.
• Proprietary RTD technology ensuring precise temperature measurements.
• Integration facilities ranging from 1/4″ to 2″ pipe sizes, with custom options available for larger frameworks.
• Temperature compensation capabilities that stabilize readings against environmental variations.

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

Inline Flowmeters

• 500 PSIG

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