TW-150

Water distribution monitor

Water quality monitoring has been performed at water treatment facilities, distribution pipelines, and endpoints of water supplies.

The TW-100 automatic water quality monitoring device automatically monitors daily inspection parameters such as turbidity, color, residual chlorine, and water pressure, providing support for the safety and reliability of the water supply. In addition, the reagent-free measurement and easy inspection and maintenance concept of this device makes it an ideal system for automated monitoring.

Water PressureWater Temperature

*Optional measurement items.

Division: Water Pollution
Manufacturing Company: HORIBA Advanced Techno Co., Ltd.

Strength in installation

A wall-mounted unit that allows for space-saving installation. Furthermore, it is possible to use the existing outdoor panels that have already been installed by the customer.

Easy maintenance

Parts can be replaced without the use of tools. No need to call manufacturer maintenance.

Product name

Water Distribution Monitor

Type

TW-150

Measurement items(Standard configuration) turbidity, color, free residual chlorine, water pressure, pH
(Optional items) conductivity, water temperature
Measurement Method

See Table 1.

Measurement  Range

See Table  1.

Repeatability

See Table  1.

Display system

LCD display
320 x 240 dot backlit change to five graphic liquid-crystal display (touch panel type)
Up to seven items including five items from standard configuration (turbidity, color, free residual chlorine, water pressure, pH)
and optional items (conductivity, water temperature) can be displayed at the same time.

Calibration method

See Table 1.

Automatic zero calibration

(Turbidity, color, free residual chlorine)
Calibration method: Filtrate sample water
Calibration start: Interior…started by internal timer
       Exterior...started by external contact input
Calibration cycle: 5 hours to 9999 hours (user setting)
Calibration time: Approx. 15 minutes

Automatic cleaning

(Turbidity, color)
Cleaning method: Cell window cleaning using wiper
Cleaning start: Interior...started by internal timer
       Exterior...started by external contact input
Cleaning interval: 5 to 9999 minutes (user setting)
(Free residual chlorine)
Continuous cleaning by using grinding beads

Automatic drainingDraining start: Interior...started by internal timer
Draining interval: 5 to 9999 minutes (user setting)

Sample water condition

Temperature: 0°C to 40°C (do not freeze)
Pressure: 0.1 MPa to 0.75 MPa
Conductivity: 10 mS/m or higher
Analyzing unit input rate (flow rate): 50 mL/mi to 100 mL/min
● In test operation, flush the meter thoroughly before running water.
● Make sure to set up a bypass for piping to the meter.
● If sample water may freeze, take measures to insulate the unit from cold and to retain heat.
● Sample Water measured with this device cannot be distributed.

Ambient temperature,humidity

Ambient temperature: 0°C to 40°C
Ambient humidity: 85% or lower

Analog output

Type: Measurement values: Number of outputs corresponds to number of measurement values (up to seven values including five values of the standard configuration)
Specifications: 4 mA to 20 mA DC, insulated output (non-insulated between items)
Maximum load resistance: 600 Ω
Contact output Types: Power failure, batch alarm, maintenance
Contents: Power failure…occurs when the power is turned off
     Batch alarm…cell temperature adjustment abnormality, temperature compensation abnormality,
           cell wiper abnormality internal communication abnormality, leak, battery abnormality,
           concentration upper limit concentration lower limit,concentration device upper limit,
           concentration device lower limit, light source abnormality zero calibration, span calibration, analyzer abnormality
     Maintenance…when the system enters maintenance or calibration mode
Specifications: No-voltage contact output, a contact interface
     Contact rating: 125 V AC 0.3 A, 30 V DC 1 A (at resistance load)
     Each output is an independent COM interface.

Contact input

Type: Cleaning start, zero calibration start, alarm check setting, abnormal water sampling
Contents: Cleaning start…started by closed contact input
     Zero calibration start…started by closed contact input
     Alarm check setting…started by closed contact input
     Abnormal water sampling... started by closed contact input
Specifications: No-voltage contact input (open collector connection is possible), insulated input
       ON resistance: maximum 100 Ω
       Open voltage: 24 V DC
       Short-circuit current: maximum 13 mA

Communication

Interface: RS-232C compatible
Communication speed: 19200 bps

Functions

Integrating function for flow rate used in the system (counting type)
Internal leak detecting function

Data memory

Measurement data is stored on system, and can be transferred to a CompactFlash®* (CF Card).
Data saving interval: 1 minute or 1 hour
Data saving frequency: 1 minute: Saves at every 0 second of the minute
          1 hour: Saves at every 0 second of the hour
Data memory time: 1 minute interval…for approx. 10 days
        1 hour interval…for approx. 1 year
The latest data will be stored.
Wiring connectorWiring inlet
Compliant cable: 12.5 mm dia. to 14.5 mm dia.
Power source: 4.5 mm to 6 mm
Pipe connectorSample inlet: Rc1/4
Condensate outlet: Rc1/8
Drain: Rc1/4
Condensate outlet (internal): 6 mm dia. hose nipple
Air inlet: Rc1/8
Condensate outlet (for detection): 6 mm dia. hose nipple (Rc1/8)
Calibration inlet: Rc1/8
InstallationDesigned for indoor installation.
* For outdoor installation, a case is required (option).
Power supply90 V to 264 V AC: 50/60 Hz

Power consumption

100 V to 240 V AC: Maximum 120 VA

Weight

Approx. 18 kg 

Dimensions

350 (W) x 160 (D) x 420 (H) (unit: mm)

Paint color

Munsell 5PB 8/1

Installation environment

● Flat and stable location with minimum vibrations or shocks
● No dust, mist or corrosive gas in the air
● Under atmospheric pressure
● No direct sunlight
● Good ventilation
● Altitude 2000 m or lower

* CompactFlash® is a registered trademark or trademark of SanDisc Corporation in the United States and other countries.


[Table 1]
■Standard type

Measurement itemsMeasurement methodMeasurement rangeRepeatabilityCalibration method
Turbidity90 degree light scattering method0 to 2, 0 to 5, 0 to 10 NTU±2.5% of full scaleFormazin standard solution
ColorTransmitted light absorption method0 to 10, 0 to 20 TCU±5.0% of full scaleStandard color solution
Free residual chlorinePolarographic method0 to 5 mg/L±2.5% of full scaleDPD colorimetric method
Water pressureSemiconductor detection method0 to 1 MPa, 0 to 10 Bar±1.0% of full scaleStandard pressure gauge
pHGlass electrode method2 to 12 pH±0.1 pHpH standard solution


■Option (each parameter can be added to the standard type)

Measurement itemsMeasurement methodMeasurement RangeRepeatabilityCalibration method
ConductivityAC 2 pole method0 to 500, 0 to 1000 μS/cm±2.0% of full scaleKCI standard solution
Water temperatureThermistor methodO to 50°C±0.5°CStandard thermometer

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