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TKWL-1300 Series Guided Wave Radar Level Gauge

The TKWL-1300 Series Guided Wave Radar Level Gauge outputs a 4-20 mA analog signal and can measure up to 30 m. It is designed for complex conditions such as high temperature, heavy steam tanks and solid silos.

Guided wave radar is based on time-of-flight measurement. The probe sends high-frequency pulses along a cable or rod probe. When the pulse reaches the material surface, it is reflected and received by the instrument. The electronics convert the travel time into a level signal corresponding to the 4-20 mA output.

  • Time-of-flight principle, less affected by steam, dust and foam.
  • Advanced microprocessor and Echo Discovery echo processing technology.
  • Contact rod or cable antenna for complex high temperature, high pressure and low dielectric constant applications.
  • Modular design with simple operation and low maintenance cost.
  • Smaller blind zone for small tank measurement.
Model Application Range Accuracy Temperature Pressure Antenna
TKWL-1301 Liquids and solid powders in complex process conditions 0-15 m ±3 mm -40 to 120°C / -40 to 200°C / -40 to 600°C -0.1 to 4.0 MPa / -0.1 to 10 MPa Single-cable antenna
TKWL-1302 Liquids and solid powders in complex process conditions 0-6 m ±3 mm -40 to 120°C / -40 to 200°C / -40 to 600°C -0.1 to 4.0 MPa / -0.1 to 10 MPa Single-rod antenna
TKWL-1303 Low dielectric liquids, cement silo powder and fly ash powder Dual rod 6 m / dual cable 30 m ±3 mm -40 to 120°C / -40 to 200°C -0.1 to 4.0 MPa Dual-rod or dual-cable antenna
TKWL-1305 Ion-free water, deionized water and similar liquids 0-6 m ±3 mm -40 to 120°C / -40 to 200°C -0.1 to 4.0 MPa Coaxial pipe antenna
Item Specification
Frequency 100 MHz to 1.8 GHz
Output signal 4-20 mA / HART
Power supply Two-wire DC24 V; four-wire DC24 V / AC220 V
Field display Standard
Process connection Thread, flange or bracket
Explosion-proof marking ExdbIICT6 Gb, ExiaIICT6 Ga, ExdbIIBT4 Gb, Extb IIICT80°C Db
  • Electrical entry: M20×1.5, 1/2NPT or customized.
  • Enclosure material: cast aluminum or stainless steel.
  • Electronic components: 4-20 mA/HART with 24 VDC two-wire, 24 VDC four-wire or 220 VAC four-wire options.
  • Sealing temperature: -40 to 120°C standard, -40 to 200°C high-temperature with radiator, or -40 to 600°C high-temperature/high-pressure with radiator.
  • Antenna material: 304, 316L, 304+PTFE or 316L+PTFE.
  • Installation method includes G1-1/2 thread and DN50 to DN150 flanges.
  • Measured medium and dielectric condition.
  • Measurement range and antenna type.
  • Process temperature, process pressure and sealing temperature.
  • Output signal, power supply and enclosure material.
  • Process connection and explosion-proof requirement.
  • TKWL-1100 series 26GHz high-frequency radar level gauge.
  • TKWL-1400 series 80GHz radar level gauge.

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