Ultrasonic Open Channel Flow Meter

Key Specifications/Special Features:

• Technical specification:
  • Flow range: 0 to 10,000L/s
  • Accumulative flows: 8 digital display, stored for a long time
  • Flow accuracy: 5% (1 to 3% of the uncertainty from parshall flume slot allocation, 1 to 2% of the instrument error)
  • Measuring range: 0.3 to 1m (blanking distance:0.3m)
  • Ranging accuracy: ±3mm (measuring range is 1m) or ۬mm (optional)
  • Resolution ratio: 1mm
  • Output signal: instantaneous flow rate (one of following 5 outputs)
  • Voltage: 0 to 5 or 1 to 5V
  • Current: 0 to 20 or 4 to 20mA (default 4 to 20mA)
  • Switch: 1 to 4 groups switching signal can be directly used for solid-state relays, digital control or status control two models
  • Relay: 1 or 2 pieces of 220V/2A relay output
  • Interface: RS485 or RS232
  • Operating temperature: 0 to 50°C (default) (customizable: 0 to 60°C or 20 to 70°C)
  • Local display power supply: 24 or 12V DC
  • Remote display power supply: 220V AC or 24V DC
  • Display level height, instantaneous flow rate, total flow rate and temperature
  • Storage temperature: -40 to 85°C
  • Work humidity: ≤80%RH non-condensation
  • Storage humidity: ≤70%RH non-condensation
  • Cable length: 5m standard (only for remote display)
• Parshall flume size and flow:
  • Parshall flume b051: 1 to 40m³/hour
  • Parshall flume b600: 45 to 3,000m³/hour
  • Parshall flume b072: 3 to 120m³/hour
  • Parshall flume b750: 90 to 3,900m³/hour
  • Parshall flume b152: 5 to 500m³/hour
  • Parshall flume b900: 108 to 4,500m³/hour
  • Parshall flume b228: 7 to 900m³/hour
  • Parshall flume b1000: 08 to 5,000m³/hour
  • Parshall flume b250: 109 to 900m³/hour
  • Parshall flume b1200: 126 to 7,200m³/hour
  • Parshall flume b300: 12 to1,400m³/hour
  • Parshall flume b1500: 162 to 9,000m³/hour
  • Parshall flume b450: 16 to 2,000m³/hour
  • Parshall flume b1800: 190 to 108,000m³/hour