BWS-Cl2 Residual Chlorine Online Water Quality Analyzer

Description And Benefits
Application
Product Features
Specification Parameters
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【Product Description】

Residual Chlorine Online Water Quality Analyzer is an in-line constant voltage method sensor featuring a detection cell with built-in flow stabilization to effectively eliminate flow rate effects on performance. It integrates temperature and pH sensors with automatic compensation for water temperature and pH variations.

【Application】

A constant potential is applied between the measurement and reference electrodes. A microcurrent measurement system is formed by two platinum electrodes (working and counter electrodes) and the reference electrode. Hypochlorite undergoes oxidation-reduction reactions at the working electrode surface, and the resulting current signal is measured. The residual chlorine concentration is calculated based on the relationship between current intensity and residual chlorine levels. Simultaneously, temperature and pH values are measured and compensated to ensure accurate residual chlorine concentration readings.

【Product Features】

Rapid response time for real-time residual chlorine detection.

Automatic pH and temperature compensation for broad environmental adaptability.

Unique flow path design to ensure constant flow velocity during measurement.

RS485 communication interface with Modbus RTU protocol for seamless integration.

Electrodes can be replaced independently; reagent-free operation with minimal maintenance.

【Specification Parameters】

Parameter

Specification

Measurement Method

Constant voltage glass electrode method

Monitoring Parameters

Residual chlorine, pH, temperature

Measurement Range

Residual chlorine: 0–20 mg/L;pH: 0–14;Temperature: 0–50°C

pH Compensation Range

6–9

Accuracy

Residual chlorine: ±10% (or ±0.05 mg/L when concentration <0.5 mg/L)
pH: <0.1 pH
Temperature: ±0.1°C

Resolution

0.01 mg/L

Detection Limit

0.02 mg/L

Response Time

≤10 s

Dimensions

250 × 203 × 165 mm

Calibration Interval

1 month

Minimum Flow Rate

0.5–1.2 L/min

Cleaning Method

Compressed air/raw water backflush

Communication

RS485 (Modbus RTU protocol), max. baud rate: 115200 bps

Power Consumption

0.3 W

Material

Electrode: Platinum-ring glass
Detection cell: Acrylic

Operating Voltage

24 V DC

MTBF

≥1440 h/cycle

Operating Environment

0–50°C


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