© 2021 VPInstruments | MAN-VP-VP38-EN | Revision: 2100 | Date: 25-01-2021
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10 Specifications
Please always check the label of your product for the specifications.
Specifications are subject to change as we are continuously improving our products.
Please contact us to obtain the latest specification sheet.
Flow sensor
Measuring principle
Thermabridge™ Thermal Mass Flow sensor
Flow range
2.15 .. 50 ln/min | 0.09 .. 1.77 CFM
Accuracy
5 % of full scale under calibration conditions
Temperature sensitivity
< 1% of measured value per °C
Reference conditions
20 °C, 1000 mbar | 68 °F, 14.50 psi
Gases
Oxygen and compressed air
Gas temperature range
20 .. 32 °C | 68 .. 89.6 °F
Display
Display type
1.8" TFT with auto power save
LED status
LED indicators on all models for power and communication
Outputs
RS485
Modbus RTU
Analogue output
4..20 mA output
Mechanical & Environmental
Dimensions
118 x 42 x 61 mm | 4.6 x 1.7 x 2.4 inch
Weight
400 grams | 14.11 ounces
Material
Brass, polycarbonate
Wetted materials
Brass, Ceramic, Polyurethane, Viton
Protection grade
IP54 | NEMA 3
Ambient temperature
0 .. 50 °C | 32 .. 122 °F
Ambient humidity
0 .. 95 %. Avoid condensation at all times
Pressure rating
PN10
Avoid direct sunlight or radiant heat
Highly corrosive or acid environments should be avoided
Electrical
Supply
14 VDC
(*)
.. 24 VDC +10% CLASS 2 (UL)
Power consumption
1 Watt (no flow) 3.5 Watt (full flow) +/- 10%
Certification
CE
EN 60950-1, EN 61326-1, EN 61000-3-2, EN 61000-3-3, EN 61326-
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