HORIBA Europe GmbH

- Model TW-100 - Water Distribution Monitor

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HORIBA’s TW-100 is a process water quality measurement system designed for drinking water and water distribution plants. The TW-100 monitors turbidity, color, free chlorine and pressure. This chemical free method reduces operating costs as it requires minimal maintenance and improves process control.

  • This compact system is equipped with sensors to monitor four water quality parameters. Optional sensors can be added to monitor as many as seven water quality parameters. No reagents are required for the measurement.
  • The instrument is operated with a touch screen panel for easy operation and display of measured values.
  • The compact size allows for more installation location options and space for operation.

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This compact system is equipped with sensors to monitor four water quality parameters. Optional sensors can be added to monitor as many as seven water quality parameters. No reagents are required for the measurement.

  • Standard: Four parameters: Turbidity, color, free chlorine, water pressure
  • Optional: Seven parameters: Turbidity, color, free chlorine, water pressure, pH, electric conductivity, water temperature

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The instrument is operated with a touch screen panel for easy operation and display of measured values.

  • Operation panel specifications
    • 320x240 dots
    • Black and white graphic LCD with backlight

The compact size allows for more installation location options and space for operation.

Features:

  • Automatic cleaning
  • Adjustable measurement frequency
  • Variable sample volume
  • Automatic zero calibration
  • Internal water leak detection and alarm
  • Data storage to compact flash card

  • Product name : Water Distribution Monitor
  • Model name : TW-100
  • Parameters : Turbidity, color, free chlorine, water pressure (standard); pH, conductivity, water temperature (option)
  • Methods : See chart 1.
  • Range : See chart 1.
  • Repeatability : See chart 1.
  • Display :
    • LCD display: 320 x 240 dot B&W graphic LCD with backlight (touch panel type)
    • Standard version simultaneously displays four measurement categories (turbidity, color, free chlorine, and water pressure); Optional version simultaneously displays up to seven parameters (the four parameters plus pH, conductivity, and water temperature)
  • Calibration method: See chart 1.
  • Automatic zero calibration (Turbidity, color, free chlorine):
    • Calibration method: Measurement of filtered sample water
    • Trigger: Internal control (timer) or external control.
    • Interval: 5 to 9999 hours (can be set as desired within that range)
    • Time: About 15 minutes
  • Automatic cleaning (Turbidity, color):
    • Cleaning method: Wiper cleaning
    • Trigger: Internal control (timer) or external control.
    • Interval: 5 to 9999 hours (can be set as desired within that range) (Free chlorine)
    • Continuous cleaning with beads grinder
  • Sample water conditions :
    • Temperature: 0 to 40°C (must not freeze)
    • Pressure: 0.1 to 0.75 Mpa
    • Flow rate: over 100 mL/min
    • Flow rate for measurement: 50 to 100 mL/min
    • * Be sure to flush the sample water before starting the system.
    • * Be sure to install a bypass for the pipe to which the system is attached.
    • * If there is any possibility that the sample water could freeze, please protect the system from cold temperature.
  • Ambient temperature/humidity : Temperature; 0 to 40°C; Humidity: 85% or less
  • Analog output
    • Type: Measurement value: Same number as parameters (4 standard, 7 as maximum)
    • Specifications: DC 4 to 20 mA, insulated output (no insulation between parameters), maximum load resistance 600 Ω
  • Output signal:
    • Type: Power off, batch alerts, maintenance
    • Details: Power off: Output when power is off.
    • Batch alerts: Cell temperature error, compensation temperature error, cell wiper error, internal communication error,water leak, battery error, upper and lower limit of measurement, light source error, zero calibration, span calibration,analyzer error
    • Maintenance: Output when the system is in maintenance or calibration mode.
    • Specifications: Non-voltage contact output, a contacts
    • Contact ratings: AC 125 V, 0.3 A, DC 30 V, 1 A (depends on resistance load), each output COM is independent.
  • Input signal :
    • Type: Cleaning start, zero calibration start, error check sequence start, error water sampling start
    • Details: Cleaning start: Cleaning procedure initiated with closed contact input
    • Zero calibration start: Zero calibration initiated with closed contact input
    • Error discrimination start: Error discrimination initiated with closed contact input
    • Error water sample sampling start: Error water sample sampling initiated with closed contact input
    • Specifications: Non-voltage contact input (open collector contact can be used), insulated input
    • Resistance when ON: Maximum 100 W; Open voltage: DC 26 V; Short-circuit current: Max. 13 mA
  • Communications : Interface: RS-232C compliant (*Remote monitoring system is option)
  • Functions : Estimation of sample water volume (counting type), internal water leak detection, error water sampling
  • Data memory :
    • Measurement values for each parameters are stored in the unit’s data memory. Data can be transferred to a CF card.
    • Memory interval: 1 minute or 1 hour
    • Memory schedule: At the top of the hour
    • Data memory longevity: 1 minute intervals: About 10 days; 1 hour intervals: About 1 year.
    • * The latest data is written to up date a series of data.
  • Wiring contact : Wiring ground: For power source: φ4.5 to φ6; For input/output: φ12.5 to φ14
  • Piping contact : Sample water input: Rc 1/4; Drainage: Rc 1/4; Calibration solution input: Rc 1/8; Error sample sampling aperture: Rc 1/8
  • Construction : Designed for indoor installation. * Housed in a special case (frame) for exterior installation (option).
  • Power : AC 100 V to AC 230 V, ±10%, 50/60 Hz
  • Power consumption : AC 100 V to AC 120 V: 120 VA; AC 100 V to AC 230 V: 150 VA
  • Mass : Approx. 15 kg (Measurement unit only)
  • External dimensions : 350 mm (W) x 160 mm (D) x 420 mm (H) (not including installation fixtures and projecting portions)
  • Paint color/Material : Munsell 5PB8/1; Unit case is made of SUS.
  • Installation environment: Install on a flat surface without vibration shocks. No dust, mist, or corrosive gases in the atmosphere. Lower air pressure. No direct sunlight. Ventilated air. 2,000 m or less above sea level.

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