U-GR4
Viewshine U-GR4 is a cutting-edge intelligent ultrasonic gas meter equipped with NB-IoT wireless communication modules and an integrated shutoff valve.
Overview
Viewshine U-GR4 is a cutting-edge intelligent ultrasonic gas meter equipped with NB-IoT wireless communication modules and an integrated shutoff valve. With an extended measuring range from 0.016 to 6m³/h, the U-GR4 boasts remarkable precision thanks to its highly sensitive ultrasonic sensor. No-moving parts, full electronic measurement and temperature compensation drive all combine to give long term stability in this meter service life.
Main Features
High Measurement Stability and Accuracy
Temperature Compensation
Pressure Compensation
Internal Shut-off Valve
Extended Measuring Range
LCD Display
Parameters | Unit | G1.6 | G2.5 | G4 | G4.0+ |
Nominal Measured Flow Qnom | m³/h | 1.6 | 2.5 | 4.0 | 1.6/2.5/4.0 |
Maximum Measured Flow Qmax | m³/h | 2.5 | 4 | 6.0 | 6.0 |
MinimumMeasured Flow Qmin | m³/h | 0.016 | 0.025 | 0.040 | 0.016 |
Lowest Flow Rate Qstart | m³/h | 0.004 | |||
Error - Qmin ≤ Q < 0,1Qmax - 0,1Qmax ≤ Q ≤ Qmax | % | ± 3.0 ± 1.5 | |||
Maximum Working Pressure Pmax | kPa | ≤10 | |||
Pressure Loss at Qmax | Pa | ≤250 | |||
Ambient Temperature tm | °С | -25 to +55 | |||
Storage Temperature | °С | -25 to +55 | |||
Humidity | % | ≤95% | |||
Power Supply | Li Battery | 10 Years Design Life 10 Years Metrological Battery | |||
In- and Outlet Pipe Screw | Inch | M30*2 | |||
Distance Between Inlet and Outlet | mm | 130 | |||
Protection Level | Class | IP54 | |||
Overall Dimensions | mm | 207* 113*142mm | |||
Medium | NG | ||||
Mechanical Environment | Class | M1 | |||
Electronical Environment | Class | E2 | |||
Communication | NB-IoT | ||||
Material of Meter Body | Steel | ||||
English
Chinese