A next-generation 4-in-1 thermal mass flow meter featuring the proprietary VPSensorCartridge® — enabling on-site recalibration in minutes without downtime. Measures bi-directional flow, pressure, temperature, and total flow simultaneously in 1", 1.5", and 2" line sizes. Built for permanent monitoring, energy management, and lowest total cost of ownership.
The VPFlowScope® M Thermal In-line is the ideal flow meter for point-of-use consumption measurements of compressed air and other industrial gases, including nitrogen, oxygen, CO2, helium, argon and more.
Thanks to our proprietary Thermabridge™ technology, you can measure bi-directional flow, pressure, temperature, and total flow simultaneously. The VPFlowScope M Thermal In-line is perfect for smaller diameters, as can be found in the demand side of your air/gas network, at the point of use, as well as in small to medium sized compressed air systems. It provides all the data you need to optimize your consumption. Whether standalone or integrated into an energy management system like VPVision, there is a version to fit your needs.
The power of a complete solution
Measure bi-directional flow, pressure, and temperature simultaneously for a comprehensive overview. For example, identify if pressure drops result from excessive flow or explore ways to reduce air consumption while maintaining the required pressure level. Avoid mis-readings in e.g. overseen branches or a leaking non-return valve with the powerful bi-directional flow measurements. Always with high accuracy backed by an inclusive calibration report. There are no hidden costs.
VPCartridgeSwap+
Swap. Return. Earn.
Keep your VPFlowScope M in top condition with fast, cost-effective, and sustainable maintenance. Unlike traditional flow meters that require off-site recalibration, resulting in removal, shipping delays, and measurement downtime. The VPFlowScope M enables on-site recalibration in just minutes with a simple VPSensorCartridge swap. No downtime. No disruption. Just accurate data.
Modular Transmitter. Many possibilities!
The versatile Transmitter connects seamlessly to traditional 4..20mA networks, RS485, or modern Power over Ethernet. Multiple versions are available for tailored applications.
Ease of Connection
Reduce installation costs by using Modbus daisy chains or the Power over Ethernet output to connect you VPFlowScope flow meters to VPInstruments’ VPVision energy monitoring system or to your BMS. For robust connection possibilities, VPInstruments offers several plug and play junction and I/O boxes.
Highlights
- Proprietary VPSensorCartridge® — one cartridge fits all sizes 1" to 2", field-swappable in minutes for on-site recalibration with zero downtime
- Patented Thermabridge™ technology for dry, clean gas measurements
- 4-in-1: bi-directional flow (standard), pressure, temperature, totalized flow
- Modular transmitter — choose S01 (4–20mA + RS485 Modbus RTU) or S03 (Power over Ethernet / Modbus TCP)
- TFT color display with alarm and status LEDs (optional)
- 1-year circular data logger, 1-second logging interval (optional)
- Available in 1", 1.5", and 2" tubing with BSP and NPT thread variants
- IP65 / NEMA 4 when mated to transmitter
- Connects to VPVision energy monitoring platform or existing BMS via Modbus daisy chain or PoE
- Free VPStudio software for configuration, data readout, and reporting
- VPCartridgeSwap+ program: return used cartridges for refund voucher — 1 returned cartridge = 1 tree planted
- 1 Year Warranty
Technical Specifications
Parameter |
Specification |
FLOW SENSOR |
|
Measuring Principle |
Thermabridge™ Thermal Mass Flow Sensor |
Flow Range 1" |
0 – 250 m³n/hr / 0 – 156 SCFM (cutoff at 1.0 m³n/hr) |
Flow Range 1.5" |
0 – 600 m³n/hr / 0 – 374 SCFM (cutoff at 2.5 m³n/hr) |
Flow Range 2" |
0 – 1000 m³n/hr / 0 – 623 SCFM (cutoff at 4.0 m³n/hr) |
Bi-directional Flow |
Standard |
Accuracy (forward) |
2% of reading + 0.3% full scale |
Accuracy (reverse) |
5% of reading + 0.3% full scale |
Reference Conditions |
0°C / 1013.25 mbar (DIN1343), 20°C / 1000 mbar (ISO1217 FAD), 15°C / 1013.25 mbar (ISO2533) — selectable on display |
Gases |
Compressed air, nitrogen and inert non-condensing gases |
Gas Temperature Range |
0 – 50°C / 32 – 122°F |
PRESSURE SENSOR |
|
Range |
0 – 16 barg / 0 – 234 psi |
Accuracy |
100 mbar / 1.5 psi |
TEMPERATURE SENSOR |
|
Range |
0 – 50°C / 32 – 122°F |
Accuracy |
>10 m/sec: ±1°C / ±1.8°F — <10 m/sec: +5°C / +9°F |
MECHANICAL — CARTRIDGE |
|
Weight |
48g / 1.7 oz |
Process Connection |
Quick Connect bayonet fitting with tubing |
Pressure Rating |
PN16 |
IP Rating |
IP65 / NEMA 4 when mated to transmitter |
Ambient Temperature |
-20 – 60°C / -4 – 140°F |
Wetted Materials |
Chromated aluminum, SS316L, NBR rubber, glass, epoxy, silicon |
TECHNICAL SPECIFICATIONS — Transmitter
Parameter |
S01 (Modbus) |
S03 (PoE) |
Display |
1.8" TFT, optional |
1.8" TFT, optional |
Data Logger |
1-year circular, optional |
1-year circular, optional |
Output |
4–20mA, RS485 Modbus RTU |
Power over Ethernet, Modbus TCP |
USB |
Mini USB (configuration) |
Mini USB (configuration) |
Power Supply |
14–24 VDC ±10%, Class 2 (UL) |
PoE IEEE P802.3af |
Power Consumption |
1W (no flow) / 3.5W (full flow) |
1.5W (no flow) / 4W (full flow) |
Dimensions |
50 × 108 × 36 mm / 1.97 × 4.25 × 1.42" |
same |
Weight |
179g / 6.3 oz |
194g / 6.8 oz |
Housing |
Anodized aluminum, polycarbonate cover, NBR O-ring seals |
same |
IP Rating |
IP53 / NEMA 5 (screen facing upward) |
same |
Certifications |
CE EN60950-1, EN61326-1, EN61000-3-2/3-3; UL 508 |
same |
TUBING DIMENSIONS
Size |
Length |
Weight |
1" |
500 mm / 19.7" |
1.24 kg / 43.7 oz |
1.5" |
600 mm / 23.6" |
2.17 kg / 76.5 oz |
2" |
750 mm / 29.6" |
3.71 kg / 130.9 oz |
Ordering Information
Cartridge
Order Code |
Description |
VPM.R120.PC01.PN16 |
VPSensorCartridge 1"–2" for flow, pressure, temperature, total flow. Bayonet fitting. Includes 10-point calibration certificate. |
Tubing — BSP
Order Code |
Description |
VPA.1201.010 |
Tubing 1" BSP |
VPA.1201.015 |
Tubing 1.5" BSP |
VPA.1201.020 |
Tubing 2" BSP |
Tubing — NPT
Order Code |
Description |
VPA.1201.110 |
Tubing 1" NPT |
VPA.1201.115 |
Tubing 1.5" NPT |
VPA.1201.120 |
Tubing 2" NPT |
Transmitters — S01 (4–20mA + Modbus RTU)
Order Code |
Description |
VPM.T012.D000.S01 |
Transmitter, no display, Modbus RS485 + 4–20mA/Pulse/Alarm |
VPM.T012.D010.S01 |
Transmitter, with display, Modbus RS485 + 4–20mA/Pulse/Alarm |
VPM.T012.D011.S01 |
Transmitter, display + datalogger, Modbus RS485 + 4–20mA/Pulse/Alarm |
Transmitters — S03 (Power over Ethernet / Modbus TCP)
Order Code |
Description |
VPM.T012.D000.S03 |
Transmitter, no display, PoE Modbus TCP |
VPM.T012.D010.S03 |
Transmitter, with display, PoE Modbus TCP |
VPM.T012.D011.S03 |
Transmitter, display + datalogger, PoE Modbus TCP |
Cables & Power
Order Code |
Description |
VPA.5000.005 |
Cable 5m / 16.4ft — M12 5-pin one side, open wires other side (S01) |
VPA.5000.010 |
Cable 10m / 32.8ft — M12 5-pin one side, open wires other side (S01) |
VPA.0000.200 |
Power supply adapter — 110–240 VAC to 24 VDC, M12 5-pin connector |
VPA.5004.0005 |
Ethernet cable 5m / 16.4ft — M12 4-pin to RJ45 (S03) |
VPA.0000.160 |
PoE injector — powers one flow meter, non-PoE Ethernet output, 100–240V input |
Other
Order Code |
Description |
VPA.5014.004 |
Explorer carry case for VPFlowScope M Thermal In-Line & Probe |
VPA.0001.915 |
Special gas calibration (non-helium) — includes calibration certificate |
VPA.0001.912 |
Helium gas calibration — includes calibration certificate |
VPA.0001.913 |
Additional special gas calibration for additional units, same order |
VPA.0001.087* |
Gas correction factor (up to 3 gas types pre-set at production) |
*Available for argon, CO₂, corgon/protegon 18%. Not available in combination with gas calibration. Consult sales for other gases.
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