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RC400G Residual Chlorine Analyzer

Brand: Yokogawa Electric Corporation

The RC400G residual chlorine analyzer employs a polarographic system that uses rotating platinum electrodes to provide continuous online measurement of residual chlorine concentration. 

By appropriate use of reagents, it is possible to separate residual chlorine (free chlorine + combined-chlorine) from free chlorine for measurement.

The RC400G is an intelligent residual chlorine analyzer that makes extensive use of microprocessors. Its design is based on the know-how gained through Yokogawa's many years of experience with residual chlorine analysis.
Features
  • Simple, one-touch calibration. Automatic sensor self-diagnostics (zero point, slope, response) during calibration.
  • Output range can be set in the field in case when the span is 1 mg/l or more. Remote switching 2-range capability is available.
  • Line-segment function available for output signal.
  • Simple verification of applied voltage/current characteristics (Plateau characteristic) between electrodes. Allows detailed knowledge of sensor characteristics for the target application to be obtained.
  • Improvements to rotating electrodes and glass bead cleaning have been added for even more effective automatic continuous cleaning.
  • Waterjet cleaning can be applied for the purpose of particularly dirty applications.
  • Easily maintained (easy-to-clean) cell construction.
  • Available for special version (for free chlorine measurement) designed to cope with very high concentrations of combined chlorine.

Specifications

Ambient Temperature Range

  • -5° to 55° C (23° to 131° F)

Applications

  • Factory Cooling Water
  • Factory Drinking Water
  • Factory Wastewater
  • Sewage secondary Treatment
  • Water Purification: Raw Water, Mains Water, Mixed Water, Sedimentation Water & Sea Water

Approvals & Certifications

  • EMC EN 55011 Class A, Group 1
  • RCM EN 55011 Class A, Group 1

BSP Connection

  • 1/4” BSPT Female

Cable Length

  • 16.40 feet (5 metres)

Cable Material

  • PVC Sheathed Cable - Power Cord

Compensated Temperature

  • 0° to 40° C (32° to 104° F)

Consumption

  • 1.5 mL/min ± 10 %
  • 65-210 VA - Power Consumption
  • Approximately 5 L/minute - Air Consumption

Current

  • 100 mA - Closed Circuit Current

Display

  • 4-Digit LED Display
  • Digital Display

Electrical Contacts

  • Normally Closed & Normally Open

Electrical Rating

  • 125 VA, Max.
  • 2 A at 220 Vdc, 60 W (Resistive Load) - Max.
  • 2 A at 250 Vac, Max.

Enclosure Finish

  • Baked Polyurethane Resin Coating - Stand
  • Munsell 0.6 GY3.1/2.0, 2.5Y8.4/1.2 - for Mounting Stand & Other Parts

Filter

  • Charcoal

Flow Rate

  • 0.264 to 1.056 gpm (1 to 4 LPM), for Pure Water or Municipal Water
  • 0.53 to 0.79 gpm (2 to 3 LPM) - Water Jet Cleaning Flow
  • 1.32 to 2.64 gpm (5 to 10 LPM), for Raw Water or Sea Water
  • 1.5 mL/min ± 10 % - Reagent Flow
  • 2.11 to 2.38 gpm (8 to 9 LPM) - Backwash Water Flow
  • 2.64 to 3.17 gpm (10 to 12 LPM)
  • 2.64 to 5.28 gpm (10 to 20 LPM), for secondary Sewage Treatment
  • 3.69 to 9.24 gpm (14 to 35 LPM) - Discharge Flow Rate for Seal-less Pump
  • 50 mL/min ± 10 % - Sample Flow
  • Approximately 500 mL/min (Per Cyclinder) - Filtering Flow

Humidity

  • 5 to 95 % Relative Humidity, Non-Condensing - Ambient Humidity

Input

  • 10 V - Open Circuit Voltage

Linearity

  • ± 3 %

Materials of Construction

  • Carbon Steel - Stand Materials
  • Platinum - Counter Electrode
  • Rigid PVC - Tank Materials
  • Rotating Gold Alloy - Indicator Electrode
  • Stainless Steel - Stand Materials

Maximum System Pressure

  • psi: 11.6 (kPa: 80, bar: 0.8)

Measuring Range

  • 0 to 10 mg/L
  • pH: 3 to 9 PH

Operating Temperature

  • -5° to 55° C (23° to 131° F)

Output Signal

  • 1-5 Vdc
  • 4-20 mA DC

Power Supply

  • 100/110/220 Vac ± 10 %, 50/60 Hz

Pressure Range

  • psi: 2.9 to 72.52 (kPa: 20 to 500, bar: 0.2 to 5)

Repeatability

  • 2%

Resistance

  • 100 kiloohms Min. - OFF Resistance
  • 200 ohms, Max.
  • 300 ohms, Max.
  • 550 ohms - Load Resistance for 4-20 mA Output

Response Time

  • Approximately 3 minutes - for Pure Water
  • Approximately 4 minutes - for Raw Water

RTD Type

  • Pt1000

Span & Zero Effect

  • ± 1 %/Month, Max.

Storage Temperature

  • -30° to 70° C (-22° to 158° F)

Supply Pressure

  • psi: 20.31 (kPa: 140, bar: 1.4)

Temperature Effect

  • ± 0.5 %/10° C (18° F) - Effect of Ambient Temperature

Temperature Range

  • 0° to 50° C (32° to 122° F)

Wetted Materials

  • 316 Stainless Steel
  • Acrylic Resin - Measurement Tank
  • Ceramic - Pump (Seal-less Pump)
  • Fluorinated Rubber (Viton) - Pump
  • Hardened PVC - Pump & Tubing/Piping
  • Hastelloy - Pump (Seal-less Pump)
  • Polyethylene - Tubing/Piping
  • Polypropylene Resin - Pump (Seal-less Pump)

  • Factory Cooling Water
  • Factory Drinking Water
  • Factory Wastewater
  • Sewage secondary Treatment
  • Water Purification: Raw Water, Mains Water, Mixed Water, Sedimentation Water & Sea Water
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