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HORIBA - Model HE-300C -Two-Wire Transmitter

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Suitable for continuous measurement of pure water or boiler water. Flexible temperature compensation.

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  • Repeatability
    • Electrical conductivity: ±0.5% full-scale or less
    • TDS conversion: ±1.5% full-scale or less
    • Temperature: ±0.1˚C (for equivalent input)
  • Linearity
    • Electrical conductivity: ±0.5% full-scale or less
    • TDS conversion: ±1.5% full-scale or less
    • Temperature: ±0.5˚C (for equivalent input)
  • Transmission output
    • 4 to 20 mA DC  Input/output insulated type
    • Maximum load resistance 600 Ω
  • Contact input
    • One point  Contact format: Non-voltage a contact
    • Contact function: Transmission output is held for closed contact input.
  • Temperature compensation range
    • 0 to 100˚C (but for 0˚C or less, 100˚C or more, extend and perform calculation)
  • Ambient temperature: -20 to 60˚C
  • Temperature compensation element: Pt 1000 (0˚C)
  • Calibration function
    • Electrical conductivity: Based on input of cell constant correction coefficient (parameter input)
    • TDS conversion: Conversion based on specified coefficient (0.30 to 1.00)
    • Temperature: One point calibration compared with reference temperature gauge
  • Self-diagnosis function: Sensor diagnosis error, Transmitter malfunction
  • Power supply
    • 24 V DC (operational voltage range: 21 V to 32 V DC)
    • Power consumption 0.6 W or less
  • Construction
    • Outdoor installation type: IP65 protection level
    • Mounting method: 50A pole or wall mounted
    • Case: Aluminum alloy  Mount fitting/hood: SUS304
  • Compatible sensor: ESH series electrical conductivity sensor (cell constant 0.01/cm, 0.1/cm, 1.0/cm)
  • Weight: Approx. 4 kg
  • Equipment protected: CE marking, FCC rules