Micropulse level meters

หมวดหมู่ : INSTRUMENTS TOKYO KEISO Level Measurement Level Gauges

แบรนด์ : TOKYO KEISO



  • 2-wire loop powered system with less cable and low installation cost
  • Wide applications by TDR method
  • Elimination of false signals by DPR (Dynamic Parasite Rejection)
  • From -50°C to 300°C and from vacuum to 4.0 MPa
  • No influence from changes in temperature, pressure or density
  • The probe can be used in segment to make it easy to use
  • Measuring Max. 40 m in liquids, powders and granules
  • Horizontal or vertical housing position to make the display easy to read
  • Remote converter allows a free selection of installation
  • Easy checking and changing of parameters without opening the cover
  • Quick coupling system permits removal of the housing and full rotation
  • No moving parts and maintenance free


Short Specifications

Measuring object
Measuring material: 
Liquids, slurries, powders, granules
Measuring principle: 
Time Domain Reflectometry (TDR)
Measuring variables: 
Level, distance, volume, mass
Probe typeSingle rod probe ( Φ 8 mm) with PVDF sheath of Φ 16 mm
Twin rod probe (2×Φ 8 mm)
Single cable probe ( Φ 2 mm, Φ 4 mm, Φ 8 mm)
Twin cable probe (2× Φ 4 mm)
Coaxial probe ( Φ 22 mm)
Outputs4 to 20 mA DC or 3.8 to 20.5 mA DC
Accuracy±10 mm for less than 10m and ±0.1% of the reading for 10m or more
TBF mode: ± 20 mm
Powder and granule measurement: ± 20 mm
Temperature of process connection-50 to +150°C(Standard type)
-50 to +300°C(High temperature type: Φ 2mm Single cable probe)
Pressure0 kPa(abs) to 4.0MPa
Measuring conditions
Dielectric constant: 
Min. 1.4 for coaxial probe
Min. 1.1 for TBF mode
Max. dia. of granules: 
5 mm or less in diameter
Ambient temperature-40 to +80°C(Without display)
-20 to +60°C(With display)
Protection classIP66 / IP67 (IEC60529)
NEMA250: NEMA type 4X (Converter housing, 6P(Probe housing)
Power supply voltage
Rated voltage: 
24 V DC
Allowable range: 
11.5 to 30 V DC for non-explosion proof and intrinsically safe
Allowable range: 
13.5 to 36 V DC for flame proof
Aluminum, Stainless steel 316L
Process connection: 
Stainless steel 316L, Hastelloy® C-22
Stainless steel 316, Stainless steel 316L, Hastelloy® C-22
FKM, FPM, EPDM, Karlez6375
Process connection
G male thread, NPT male thread
JIS RF flange, ASME RF flange
DisplayLCD display / 4 button operation key


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