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Tokyo Keiso TGF7200 Guided Wave Radar Transmitter

Made in Japan

Manufacturer: Tokyo Keiso

Model: TGF7200

The TGF7200 is a 2-wire continuous level measuring instrument using TDR technology. The simple and compact design suitable for tank-top installation with no moving parts achieves high cost performance with maintenance-free and low-cost installation. Thanks to a variety of probe types such as coaxial, single, and twin probes, this continuous level meter can measure various measuring objects such as liquids and slurries in applications such as the measurement of the liquid level and the interface between two liquids. The keypad operation on the front display allows easy parameter setting including zero-point adjustment and measurement range. This level meter is suitable for level control of buffer and sump tanks, as well as capacity management of storage tanks.

Features

  • Overall cost reduction achieved by the 2-wire system
  • A wide range of applications enabled by the TDR method
  • A broad operating range from -50°C to -250°C and from vacuum to 10.0 MPa
  • Measurements are not affected by changes in temperature, pressure, or density
  • Possible to measure the liquid level and interface (option)
  • Switch output (option) is available in addition to analog output (4 to 20 mA DC)
  • Japanese display is available in addition to English
  • Remote type housing is available in addition to compact type housing to meet a broad range of installation requirements
  • Possible to check and change the parameters without opening the cover
  • Possible to remove and rotate the converter housing without opening the measurement tank
  • Maintenance free as there are no moving parts

Specifications

Measuring object Measuring material: Liquid, slurry

Measuring principle: Time Domain Reflectometry (TDR)

Output variables: Level, distance, volume, mass, interface

Probe type Single rod probe: ø8 mm, ø10 mm (PTFE coating)
Twin rod probe: ø8 mm × 2
Single cable probe: ø4 mm
Twin cable probe: ø4 mm × 2
Coaxial probe: ø22 mm, ø42 mm
Output 4 to 20 mA DC
Accuracy ±3 mm (less than 10 m), ±0.03% / R.D. (10 m or more)
Process connection temperature -40 to +150°C (sealing material: FPM / FKM)
-40 to +150°C (sealing material: FPM / FKM)
-20 to +150°C (sealing material: Kalrez 6375)
-40 to +200°C (sealing material: FPM / FKM)
-50 to +150°C (sealing material: EPDM)
-20 to +250°C (sealing material: Kalrez 7075)
Pressure PTFE process seal system (standard): 0 kPa (abs) to 4.0 MPa
Ceramic process seal system: 0 kPa (abs) to 10.0 MPa
Measuring conditions Dielectric constant: 1.3 or more (coaxial probe)
1.1 or more: TBF mode
Ambient temperature Without display: -40 to +80°C

With display: -20 to +60°C
(Display turns off automatically when temperature is out of range)

Protection class IEC60529: IP66/IP68
NEMA250: NEMA type 4X/6 (Converter housing), 6P (Probe housing)
Power supply Rated voltage: 24 V DC
Materials Housing: Aluminum alloy (polyester coating), stainless steel (SS316L)
Process connection part: Stainless steel (SS316L), Hastelloy® C-22®
Process connection Thread: G male thread, NPT male thread
Flange: JIS RF flange, ASME RF flange
Display LCD / 4 buttons

 

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