VPFlowScope M Thermal Mass Flow Meter

General

The VPFlowScope M Thermal Mass Flow Meter is a four-in-one flow meter for compressed air and technical gases. It measures bi-directional flow, pressure, temperature and totalized flow, simultaneously.

VPFlowScope M Thermal Mass Flow Meter
VPFlowScope M Thermal Mass Flow Meter

Unlike traditional flow meters, the VPFlowScope M does not require traditional recalibration, where you have to ship the unit back. Instead, the VPFlowScope M Thermal Mass Flow Meter consists of a transmitter and the patented VPSensorCartridgeยฎ which reduces recalibration to a simple exchange.

Features and benefits

  • Four sensors in one instrument
  • For compressed air and technical gases
  • Patented VPSensorCartridgeยฎ: no more recalibration required
  • Ethernet interface: Industry 4.0/IOT ready
  • Ultra-compact size and low weight
  • Ethernet (Modbus/ TCP)
  • RS485 (Modbus RTU)
  • 4 โ€ฆ 20 mA linearized, pulse mode or alarm output
  • USB interface for configuration and downloading of data log files
  • Optional TFT color display
  • Optional data logger with up to 365 days @ 1 second interval + cyclic recording
  • Optional Wi-Fi interface (Web server for configuration, Modbus / TCP)
  • Optional: Bi-directional

Applications

  • Compressed air audits
  • Nitrogen and technical gas flow measurements
  • Cost allocation
  • Leak detection
  • Pipe network optimization
  • Permanent monitoring

Specification

Measuring principleThermabridgeโ„ข Thermal Mass Flow sensor
Flow range0 (0.5) โ€ฆ 150 mn/sec | 0 โ€ฆ 500 sfps
Bi-directional flowModel VPM.R150.351.PN10 only
Accuracy2% of reading under calibration conditions; Please refer to the user manual for details.
Recommended pipe diameter: 25 mm (1โ€ณ) and up.
Reference conditions0 ยฐC, 1013.25 mbar | 32 ยฐF, 14.65 psi
GasesGases Compressed air, Nitrogen and inert, non condensing gases
Gas temperature range0 โ€ฆ +60 ยฐC | 0 โ€ฆ +140 ยฐF
Pressure sensor range0 โ€ฆ 10 bar | 0 โ€ฆ 145 psi gage
Accuracy+/- 1% FSS (total error band)
Temperature compensated
Temperature sensor range0 โ€ฆ +60 ยฐC | 32 โ€ฆ +140 ยฐF
Accuracy> 10 m/sec: +/- 1 ยฐC | 1.8 ยฐF
< 10 m/sec: + 5 ยฐC | 9 ยฐF
Probe lengths340 mm | 13.4โ€ณ
Weight200 grams | 7.05 ounces
Process connectionCompression fitting, 1/2โ€ณ NPT, Tapered
Pressure ratingPN10
Protection gradeIP65 | NEMA 4 when mated to transmitter
Ambient temperature range0 โ€ฆ +60 ยฐC | 32 โ€ฆ 140 ยฐF. Avoid direct sunlight or radiant heat
Wetted materialsAnodized Aluminum, Stainless steel 316, Glass, Epoxy
Corrosion resistanceHighly corrosive or acid environments should be avoided
Connection typeVPSensorCartridgeยฎ proprietary
Power consumption1 Watt (no flow) 3.5 Watt (full flow) +/- 10%
Varies per VPSensorCartridgeยฎ type and transmitter type
CEEN 60950-1, EN 61326-1, EN 61000-3-2, EN 61000-3-3, EN 61326-1

Download Datasheet: VPFlowScope M

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author

Rudy Wiratama

rudywinoto.com/wmablog.com/flowmasonic.com

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