Natural Gas Flow Meter

Specifications

Diameter: 25-300mm

Performance

     Repeatability:   ±0.2%

     Accuracy: Standard: ±1.5% of reading;

               Optional: ±1.5% of reading or ±0.75% of reading

Wetted Components

     Housing: Standard - Tungsten Carbide;

               Optional - 304, 316 Stainless Steel

     Bearings and Shaft: ABS (Corrosion Resist) or Aluminium-Alloy

     Rotor: ABS (Corrosion Resist) or Aluminium-Alloy

     Retaining Rings:  304 Stainless Steel

Output Signal: (Where applicable)

     Sensor: Pulse signal (Low Level: ≤0.8V; High Level: ≥8V)

     Transmitter: 4 to 20 mA DC current signal

Signal Transmission Distance: ≤1,000 m

Electrical Connections:

     Basic Type: Hausman Connector or three-core cable

     Explosion Proof Type:   ISO M20×1.5 Female

Explosion Proof Level:

     Standard:   None

     Optional:   ExdIIBT6

Protection Level: IP65

Operation conditions

Ambient:

     Temperature: -10°C to +55°C

     Pressure: 86 to 106 KPa

     Relative Humidity:   5% to 90%

Power Supply:

     Sensor:   +12V DC (Optional: +24V DC)

     Transmitter:   +24V DC

     Field Display Type B:     Integral 3.2V Lithium Battery

     Field Display Type C:     +24V DC

Fluid Temperature and Pressure:

     Temperature: -30°C to +80°C

     Pressure: Fluid pressure should be limited according to flange rating.

Model

Turbine Flow Sensor/Transmitter

LWQ-N Type Sensor: 12 to 24V DC Power Supply; Pulse Output

LWQ-A Type Transmitter: 24V DC Power Supply; 2-wire 4 to 20 mA Output

Basic Type (Without Explosion Proof) and Explosion Proof Type are optional for LWQ-N and LWQ-A.

LWQ-B Type: powered with 3.2V10AH lithium battery (Battery life > 4 years); no output

LWQ-C Type: 24V DC Power Supply; 2-wire 4 to 20 mA Output (Optional: RS485 or HART)

LWQ-D Type (With temperature and pressure compensation): 24V DC Power Supply