Residual Chlorine and Chlorine Dioxide Analyzer
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| Brand | APURE |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic (China-made) |
| Model | A10CL-AA1 |
| Instrument Type | Online Controller |
| Measurement Parameter | Free Residual Chlorine |
| Measurement Range | 0.00–20.00 ppm |
| Accuracy | ±0.01 ppm |
| Resolution | 0.01 ppm |
| Stability | ≤0.02 ppm/24 h |
| Temperature Compensation | 0–100 °C (Manual / PT1000 / NTC10K) |
| Output Signal | Isolated 4–20 mA (Max Load: 500 Ω) |
| Alarm Output | Dual SPDT Relays (3 A / 250 V AC, NO contact) |
| Power Supply | AC 220 V or DC 24 V |
| Power Consumption | ≤5 W |
| Operating Environment | 0–60 °C, ≤85% RH |
| Dimensions (H×W×D) | 96×96×132 mm |
| Panel Cutout | 92.5×92.5 mm |
| Ingress Protection | IP65 |
| Brand | APURE |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic (China-Made) |
| Model | A20CL-AA1 |
| Instrument Type | Online Analyzer |
| Measurement Principle | Electrochemical Amperometric Sensor |
| Measured Parameter | Free Residual Chlorine |
| Range Options | 0–20 ppm / 0.0–20.0 ppm / 0.00–20.00 ppm |
| Accuracy | ±0.01 ppm |
| Resolution | 0.01 ppm |
| Stability | ≤0.02 ppm/24 h |
| Temperature Compensation | 0–100 °C (PT1000, NTC10K, or Manual) |
| Output Signals | Dual Isolated 4–20 mA (Chlorine & Temperature, max. load 500 Ω) |
| Relay Outputs | 3 Programmable SPDT Relays (3 A / 250 V AC, NO contact, adjustable hysteresis) |
| Power Supply | AC 220 V ±10% or DC 24 V ±10% |
| Power Consumption | ≤7 W |
| Operating Environment | 0–50 °C, ≤85% RH |
| Enclosure Dimensions | 144 × 144 × 115 mm (H × W × D) |
| Panel Cutout | 138 × 138 mm |
| Ingress Protection | IP65 |
| User Interface | Bilingual (Chinese/English), Menu-Driven Navigation |
| Security | Password-Protected Configuration Access |
| Brand | AQUALABO |
|---|---|
| Origin | France |
| Model | S200 |
| Instrument Type | Online Analyzer |
| Measurement Principle | Potentiometric (Gold Ring Electrode) |
| Measured Parameter | Chlorine Dioxide (ClO₂) |
| Range | ClO₂: 0.00–5.00 mg/L |
| pH | –2.00 to 16.00 |
| Temperature | –30.00 to 140.00 °C |
| Accuracy | ±2 % of full scale |
| Resolution | ClO₂: 0.01 mg/L |
| pH | 0.01 unit |
| Temperature | 0.1 °C |
| Response Time | ≤30 s |
| Max. Operating Pressure | 8 bar @ 20 °C |
| Max. Fluid Temperature | 70 °C |
| Flow Rate | 40–120 L/h |
| Sensor Material | Glass body with gold-ring working electrode |
| Enclosure Rating | IP65 |
| Power Supply | 110/230 VAC, ±10 %, 50/60 Hz |
| Power Consumption | 16 VA |
| Dimensions (Analyzer) | 160 × 165 × 85 mm |
| Weight | 1.1 kg |
| Display | 4×20-character backlit LCD |
| Analog Outputs | 2 × isolated 4–20 mA (max. 600 Ω load) |
| Digital Inputs | 2 (including pulse input for flow meter) |
| Relay Outputs | 3 configurable (NO/NC/C, 120–240 VAC, 2 A) |
| Digital Outputs | 2 programmable dry-contact outputs (≤12 V, 200 mA) |
| Control Functions | Dual independent on/off, P or PI control, pulse-pause, frequency, and continuous analog output modes |
| Operating Temp. | –20 to 55 °C (≤90 % RH at 40 °C, non-condensing) |
| Storage Temp. | –20 to 65 °C |
| Brand | AQUALABO |
|---|---|
| Origin | France |
| Model | S200 |
| Instrument Type | Online Analyzer |
| Measurement Principle | Amperometric (Gold Ring Electrode) + Potentiometric (pH Electrode) |
| Measured Parameters | Free Residual Chlorine, Total Active Chlorine, pH, Temperature |
| Range | Free Chlorine: 0.00–5.00 mg/L |
| Total Active Chlorine | 0.00–5.00 mg/L |
| pH | –2.00–16.00 |
| Temperature | –30–140 °C |
| Accuracy | ±2 % of full scale |
| Resolution | Chlorine: 0.01 mg/L |
| pH | 0.01 unit |
| Temperature | 0.1 °C |
| Response Time | ≤30 s |
| Max. Operating Pressure | 8 bar @ 20 °C |
| Flow Rate | 40–120 L/h |
| Sensor Material | Glass body / Gold working electrode |
| Temp. Sensor | Pt1000 |
| Enclosure Rating | IP65 |
| Power Supply | 110–230 VAC, 50/60 Hz |
| Power Consumption | 16 VA |
| Dimensions (W×H×D) | 160 × 165 × 85 mm |
| Weight | 1.1 kg |
| Operating Temp. | –20–55 °C, ≤90 % RH (non-condensing) |
| Storage Temp. | –20–65 °C |
| Analog Outputs | 2 × 4–20 mA (galvanically isolated, max. load 600 Ω) |
| Digital Interface | Modbus RTU Slave (RS485) |
| Relay Outputs | 3 configurable (NO/NC/C, 120–240 VAC, 2 A) |
| Digital Inputs | 2 (including pulse input for flow meter integration) |
| Control Modes | On/Off, P, PI, Pulse–Pause, Continuous (via analog output) |
| Brand | AQUALABO |
|---|---|
| Origin | France |
| Model | STAC CL |
| Instrument Type | Online Analyzer |
| Measurement Principle | UV Absorption Spectrophotometry (204–321 nm) |
| Measured Parameters | Free Chlorine (Cl₂), Total Chlorine, Chlorine Dioxide (ClO₂), Hydrogen Sulfide (H₂S) |
| Range | Cl₂ 4–3000 mg/L |
| Optical Path Length Options | 2 mm (Cl₂: 100–3000 ppm, H₂S LOD: 10 ppm), 5 mm (Cl₂: 40–1200 ppm, H₂S LOD: 4 ppm) |
| Spectrometer | UV Multichannel Spectrophotometer |
| Sample Flow | Gravity-fed, max. pressure 1 bar |
| Channels | 1 standard, up to 4 programmable sample channels + blank channel |
| Valves | 2–5 solenoid valves |
| Detection Method | Deconvolution-based spectral analysis using reference spectra libraries |
| Data Output | Four 4–20 mA analog outputs + RS232C interface |
| Operating Temperature | 15–40 °C |
| Sample Temp. | ≤40 °C |
| Sample Matrix | Natural or treated water, suspended solids <2 mm |
| Power Supply | 230 V AC, 50/60 Hz, 300 VA |
| Dimensions | 800 × 600 × 360 mm |
| Weight | 15 kg |
| Light Source | Deuterium lamp (rated for ≥100,000 measurements) |
| Memory Capacity | 4 spectral models + 255 measurement records |
| Software | UV PRO for model calibration, spectrum visualization, maintenance diagnostics |
| Brand | Rikari Chemical |
|---|---|
| Origin | Japan |
| Model | AquaTester 10 |
| Instrument Type | Portable |
| Measurement Principle | Visual Colorimetric Comparison (DPD & BTB Methods) |
| Measured Parameters | Free Chlorine, Total Chlorine, Residual Chlorine, pH, Total Hardness (as CaCO₃) |
| Range | Free Chlorine: 0.05–2.0 mg/L (low-range DPD) |
| Total/Residual Chlorine | 10–200 mg/L (high-range HOCl-K) |
| pH | 5.8–8.6 |
| Total Hardness | 5–300 mg/L as CaCO₃ |
| Accuracy | ±2% of reading |
| Repeatability | ±3% RSD |
| Resolution | 1 ppm (for chlorine parameters) |
| LOD | 1 ppm |
| Included Reagents | 50× DPD-F-1 (free chlorine), 50× DP-TL-1 (total chlorine), 50× RC-7Z (active chlorine), 18 mL BTB-7Z (pH indicator), 18 mL BTS liquid reagent (pH), and TH-7Z hardness reagents |
| Origin | Canada |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | AVVOR 8000 |
| Price | Upon Request |
| Measurement Range | 0–10 ppm |
| Method | EPA 4500-Cl G (DPD Colorimetric) |
| Resolution | 0.01 ppm (0–6 ppm), 0.1 ppm (6–10 ppm) |
| Accuracy | ±2% (0–6 ppm), ±10% (6–10 ppm) |
| Response Time | 3 seconds |
| Power Supply | 4 × AAA Alkaline Batteries |
| Certification | CE |
| Light Source | LED @ 515 nm |
| Sample Volume | 5 mL |
| Origin | Canada |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | AVVOR 9000 |
| Price | Upon Request |
| Brand | AVVOR |
|---|---|
| Origin | Canada |
| Model | AVVOR 9000 |
| Measurement Range | 0–10 mg/L Cl₂ |
| Cycle Time | 110 s–10 min (adjustable) |
| Accuracy | ±5% or ±0.03 mg/L Cl₂ (0–6 mg/L) |
| Resolution | 0.01 mg/L |
| Method | EPA-approved DPD colorimetric analysis for free chlorine and total chlorine |
| Output | 4–20 mA analog + RS-485 with Modbus RTU protocol |
| Alarms | Two user-configurable concentration-based digital alarms |
| Operating Temperature | 5–40 °C |
| Inlet Pressure | 5–150 psi |
| Enclosure Rating | NEMA 4X / IP66 |
| Housing Material | ABS plastic |
| Power Supply | 100–240 V AC, auto-ranging, 47–63 Hz |
| Certifications | CE, UL, CSA, ETL, ETLc |
| Dimensions (L×W×H) | 41 × 41 × 26 cm |
| Weight | 3.6 kg |
| Brand | AVVOR |
|---|---|
| Origin | Canada |
| Model | AVVOR 9000 |
| Measurement Range | 0–10 mg/L Cl₂ |
| Cycle Time | 110 s – 10 min (user-selectable) |
| Accuracy | ±5% or ±0.03 mg/L Cl₂ (whichever is greater) for 0–6 mg/L |
| Resolution | 0.01 mg/L |
| Method | EPA-Approved DPD Colorimetric Analysis |
| Output | 4–20 mA analog + RS-485 with Modbus RTU protocol |
| Alarms | Two user-configurable concentration-based digital alarms |
| Operating Temperature | 5–40 °C |
| Inlet Pressure | 5–150 psi |
| Enclosure Rating | NEMA 4X / IP66 |
| Housing Material | ABS plastic |
| Power Supply | 100–240 V AC, auto-ranging, 47–63 Hz |
| Certifications | CE, UL, CSA, ETL, ETLc |
| Dimensions (L×W×H) | 41 × 41 × 26 cm |
| Weight | 3.6 kg |
| Brand | Beifen Sanpu |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Type | Portable Analyzer |
| Model | SD90738 |
| Measurement Principle | Electrochemical Sensor Method |
| Measured Parameter | Chlorine Dioxide (ClO₂) |
| Range | 0–2.0 mg/L |
| Accuracy | ±1% of full scale |
| Repeatability | ≤2% RSD |
| Resolution | 0.001 mg/L |
| LOD | 0.001 mg/L |
| Compliance | GB/T 5750.11–2006 (Standard Methods for Examination of Drinking Water – Disinfectants) |
| Brand | CLEAN |
|---|---|
| Origin | Taiwan |
| Model | CS5530D |
| Instrument Type | Online |
| Measurement Principle | Amperometric Electrochemical Sensor |
| Measured Parameter | Free Chlorine (Residual Cl₂) |
| Range | 0–2.000 mg/L and 0–20.00 mg/L |
| Accuracy | ≤3% of reading |
| Repeatability | ±0.02 mg/L |
| Resolution | 0.001 mg/L (low range), 0.01 mg/L (high range) |
| LOD | 0.035 mg/L |
| Temperature Compensation | Integrated Pt1000 RTD |
| pH Compensation | Built-in pH input interface for external pH electrode integration |
| Operating Temperature | 0–80 °C |
| Max Pressure | 10 bar |
| Housing Material | Glass sensing element + PP + POM |
| Reference System | Dual-salt-bridge Ag/AgCl |
| Junction Type | Annular ceramic liquid junction |
| Cap Material | PP |
| Connector | PG13.5 |
| Handle Material | POM |
| Cable Length | 5 m |
| Communication | RS-485 Modbus RTU |
| Power Supply | DC 12 V |
| Output Signals | Residual chlorine concentration (mg/L), temperature (°C) |
| Enclosure Rating | IP68 |
| Compatible Flow Cell | A580 hermetically sealed flow-through cell |
| Brand | CLEAN |
|---|---|
| Origin | USA |
| Model | FCL30 |
| Instrument Type | Portable |
| Measurement Principle | Amperometric (Tri-Electrode) |
| Measured Parameter | Free Residual Chlorine |
| Range | 0–10.00 ppm |
| Accuracy | ±1% F.S. |
| Repeatability | ±1% F.S. |
| Resolution | 0.01 ppm |
| Detection Limit | 0 ppm |
| Temperature Range | 0.0–100.0°C |
| Calibration | 2-point (zero + span) |
| Data Storage | 10 readings |
| Enclosure Rating | IP67 |
| Display | Multi-line LCD (21 × 34 mm), auto-backlit |
| Power | 1 × 1.5 V AAA battery |
| Dimensions (H×W×D) | 185 × 40 × 48 mm |
| Weight | 95 g |
| Electrode | Replaceable CS5930 amperometric tri-electrode sensor |
| Brand | CLEAN |
|---|---|
| Origin | Taiwan |
| Model | FCL30-R |
| Instrument Type | Portable |
| Measurement Principle | Electrochemical Potentiometric Sensor |
| Measured Parameter | Free Residual Chlorine |
| Range | 0–2.00 mg/L |
| Accuracy | ±1% F.S. |
| Repeatability | ±1% F.S. |
| Resolution | 0.01 mg/L |
| LOD | 0.035 mg/L |
| Auto Temperature Compensation | 5.0–45.0 °C |
| pH Compensation Input Range | 6.5–8.5 |
| Electrode | Replaceable CS5931 Free Chlorine Sensor |
| Display | Backlit LCD (20 × 30 mm) |
| Power | 1 × 1.5 V AAA battery |
| IP Rating | IP67 |
| Dimensions (H×W×D) | 185 × 40 × 48 mm |
| Weight | 95 g |
| Brand | CLEAN (USA) |
|---|---|
| Origin | Shanghai, China |
| Model | FCL5000 |
| Instrument Type | Online Analyzer |
| Measurement Principle | Amperometric Electrochemical Sensor (Three-Electrode Constant-Voltage Method, Membrane-Free) |
| Measured Parameter | Free Chlorine (HOCl/OCl⁻) |
| Range | 0.000–2.000 ppm and 0.00–20.00 ppm (dual-range auto-switching) |
| Accuracy | ±2% of full scale |
| Resolution | 0.001 ppm |
| Detection Limit | 0.000 ppm |
| pH Compensation Range | 4.00–9.00 pH (nonlinear, automatic) |
| pH Input Range | 0.00–14.00 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.01 pH |
| Temperature Range | −10.0–130.0 °C |
| Temp. Resolution | 0.1 °C |
| Temp. Accuracy | ±0.3 °C |
| Output | Dual isolated 4–20 mA (±1% FS, load < 500 Ω) |
| Communication | RS-485 with optical isolation, MODBUS RTU protocol |
| Relay Outputs | Two SPST control relays (2.5 A / 230 VAC) + one configurable function relay |
| Power Supply | 85–260 VAC or optional 24 VDC |
| Enclosure Rating | IP65 |
| Operating Environment | 0–60 °C, RH < 90% non-condensing |
| Mounting | Panel mount (cutout: 92.5 × 92.5 mm) |
| Dimensions (H×W×D) | 108 × 108 × 128 mm |
| Calibration Method | DPD colorimetric verification compatible |
| Brand | DoctorWater |
|---|---|
| Origin | Hunan, China |
| Model | Dr-WCl |
| Instrument Type | Portable |
| Measurement Principle | DPD Colorimetric Spectrophotometry |
| Measuring Parameter | Free Chlorine (Residual Chlorine) |
| Range | 0.02–2.00 mg/L |
| Accuracy | ≤ ±5% |
| Repeatability | ≤ ±2% |
| Resolution | 0.001 mg/L |
| LOD | 0.02 mg/L |
| Wavelength Range | 330–900 nm |
| Wavelength Accuracy | ±5 nm |
| Optical Stability | ≤ ±0.005 Abs/20 min |
| Display | 5-inch HD color TFT touchscreen |
| Light Source | Imported long-life cold LED (≥100,000 h) |
| Sample Cell | 16 mm and 25 mm round cuvettes |
| Calibration Modes | Blank, Factor, and Calibration Curve |
| Data Storage | Up to 1,000,000 records |
| Power Supply | Rechargeable Li-ion battery + AC adapter |
| Interface | USB Type-C (charging & data transfer) |
| Print Output | Built-in thermal printer |
| Readout Modes | Concentration (mg/L) and Absorbance (Abs) |
| Housing Material | Corrosion- and heat-resistant ABS |
| Brand | TriOS |
|---|---|
| Origin | Germany |
| Model | eCHEM Free Chlorine |
| Instrument Type | Portable |
| Measurement Principle | Electrochemical Amperometric (3-Electrode, Membrane-Covered, Potentiostatic) |
| Measurement Parameter | Free Chlorine |
| Range | 0–2 mg/L and 0–20 mg/L |
| Accuracy | ±0.4 mg/L (≤2 mg/L range) |
| Temperature Compensation | Integrated Pt100 |
| Response Time (T90%) | ~2 min |
| Drift | ~1%/month |
| Membrane | Hydrophilic Microporous |
| Housing Material | PVC-U + Stainless Steel 1.4571 |
| Dimensions (L×Φ) | 205 mm × 25 mm |
| Weight | 0.1 kg |
| Interface | RS-485, Modbus RTU |
| Power Supply | 9–30 VDC (±10%) |
| Connector | 8-pin M12 |
| Power Consumption | 0.6 W |
| IP Rating | IP68 |
| Operating Temperature | 0–45 °C (liquid, ice-free) |
| Flow Rate Dependency | 15–30 L/h (in FLC-3 flow cell) |
| pH Range | 4–9 (low pH dependency: ~−10% signal change per pH unit) |
| Conductivity Range | 10–50 mS/cm |
| Cross-Sensitivity | Combined chlorine causes positive interference |
| Calibration Method | DPD-1 reference standard |
| Pressure Rating | 1 bar (static, no shock/vibration |
| Maintenance Interval | Weekly |
| Maintenance Time | ≤0.5 h/month |
| Brand | ERUN |
|---|---|
| Origin | Shaanxi, China |
| Model | ERUN-SZ4-K4 |
| Instrument Type | Online Analyzer |
| Measured Parameter | Chlorine Dioxide (ClO₂) |
| Measurement Range | 0–5 mg/L and 0–20 mg/L (dual-range) |
| Accuracy | ±3% of reading |
| Repeatability | ±3% |
| Resolution | 0.001 mg/L |
| Limit of Detection | 0.030 mg/L |
| Response Time (T90) | ≤90 s |
| Measurement Principle | Amperometric Electrochemical Detection (Three-Electrode System with Membrane-Covered Gold Working Electrode) |
| Temperature Range | −5 to 60 °C |
| Temp. Accuracy | ±0.4 °C |
| Temp. Resolution | 0.1 °C |
| Operating Voltage | DC 9–28 V |
| Power Consumption | ≤0.5 W (peak) |
| Output Options | RS485 (Modbus RTU), 4–20 mA (optional) |
| Enclosure Rating | IP68 |
| Pressure Rating | <0.1 MPa |
| Brand | ExStik |
|---|---|
| Origin | Shanghai, China |
| Model | CL200 |
| Instrument Type | Portable |
| Measurement Principle | Electrochemical Amperometric Sensor |
| Measured Parameter | Total Residual Chlorine |
| Range | 0.01–10.00 ppm |
| Accuracy | ±10% of reading or ±0.01 ppm (0.05–5.00 ppm) |
| Repeatability | ±0.01 ppm |
| Resolution | 0.01 ppm |
| LOD | 0.05 ppm |
| Temperature Range | −5 to 90 °C |
| Temp. Resolution | 0.1 °C/°F |
| Temp. Accuracy | ±1 °C (−5 to 50 °C) |
| Data Storage | 15 readings |
| Power | 4 × CR2032 (1.5 V) |
| Auto-off | After 10 min idle |
| IP Rating | IP57 |
| Brand | ExStik |
|---|---|
| Origin | Shanghai, China |
| Model | CL200+ |
| Measurement Principle | Amperometric Electrode with Solid-State Platinum/Graphite Composite Sensor |
| Range | 0.01–10.00 ppm (Total/Free Chlorine) |
| Accuracy | ±10% of reading ±0.01 ppm (0.05–5.00 ppm) |
| Temperature Compensation | Automatic (–5 to 90 °C) |
| Temp. Accuracy | ±1 °C (–5 to 50 °C), ±3 °C (50 to 90 °C) |
| Display | Multi-segment LCD with bar graph |
| Data Storage | 15 readings |
| Power | 4 × SR-44 (1.5 V) button cells |
| Auto-off | After 10 min idle |
| Electrode Compatibility | Interchangeable residual chlorine, pH, and ORP sensors with auto-detection |
| Origin | Shanghai, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | DPD |
| Pricing | Available Upon Request |
| Brand | GreenPrima |
|---|---|
| Origin | United Kingdom |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Imported Instrument |
| Model | Aqualysis 300 |
| Instrument Type | Online Analyzer |
| Measurement Principle | DPD Colorimetric Method |
| Measured Parameters | Residual Chlorine, Total Chlorine |
| Measurement Range | 0.02–2 ppm (low range), 0.02–10 ppm (high range) |
| Accuracy | ±2% of full scale value |
| Repeatability | ±1% of full scale value |
| Limit of Detection | 0.02 ppm |
| Dimensions | 400 × 300 × 150 mm (H × W × D) |
| Weight | 4 kg |
| Enclosure Rating | IP65 |
| Power Supply | 85–265 VAC, 47–63 Hz |
| Display | Touchscreen LCD with bilingual (English/Chinese) interface |
| Output Options | Two programmable relay outputs (max. 250 V, 4 A), one isolated 4–20 mA analog output (load ≤750 Ω), one RS485 Modbus RTU port |
| Input Options | Two digital inputs (IN1 for flow-triggered analysis/start command |
| Sample Temperature Range | 5–45 °C |
| Ambient Operating Temperature | 0–45 °C |
| Sample Pressure Range | 0.2–5 bar (recommended: 1–2 bar) |
| Analysis Cycle Interval | User-configurable |
| Flush Duration | Programmable |
| Data Storage | Internal USB logging with event/fault history |
| Brand | GreenPrima |
|---|---|
| Origin | Switzerland |
| Manufacturer | GreenPrima AG |
| Type | Online Analyzer |
| Measurement Principle | Amperometric Electrochemical Sensor (Constant Potential Method) |
| Measuring Parameter | Free Residual Chlorine |
| Range | 0–2.000 ppm / 0–20.00 ppm |
| Accuracy | ≤ ±2% of Full Scale |
| Repeatability | ±0.001 ppm / ±0.01 ppm |
| Resolution | 0.001 ppm / 0.01 ppm |
| Detection Limit | 0.001 ppm / 0.01 ppm |
| Temperature Compensation | –10 to 130 °C (Automatic or Manual) |
| Operating Temperature | 0–70.0 °C |
| Storage Temperature | –20 to 70 °C |
| Display | Backlit Graphic LCD (Chinese & English) |
| Data Storage | 600,000 records |
| Power Supply | 90–260 VAC, 50/60 Hz or 24 VDC optional |
| Analog Outputs | Dual 4–20 mA (Residual Chlorine & Temperature), Max. Loop Resistance 500 Ω, Accuracy 0.1% FS |
| Cleaning Output | Adjustable Interval (0.1–1000 h) and Duration (1–1000 s) |
| Enclosure Rating | IP65 |
| Controller Dimensions | 144 × 144 × 106 mm |
| Electrode Dimensions | Ø12 × 120 mm |
| Mounting | Wall-, Panel-, or Pole-Mounted Controller |
| Brand | GreenPrima |
|---|---|
| Origin | Switzerland |
| Manufacturer Type | OEM Manufacturer |
| Origin Category | Imported |
| Model | Bs ens660 |
| Instrument Type | Online Analyzer |
| Measurement Principle | Amperometric Electrochemical Sensor (Constant Potential Method) |
| Measured Parameter | Free Residual Chlorine |
| Range | 0–2.000 ppm and 0–20.00 ppm |
| Accuracy | ≤ ±2% of Full Scale |
| Repeatability | ±0.001 ppm / ±0.01 ppm |
| Resolution | 0.001 ppm / 0.01 ppm |
| Detection Limit | 0.001 ppm / 0.01 ppm |
| Temperature Compensation | –10 to 130 °C (manual/automatic) |
| Operating Temperature | 0–70.0 °C |
| Storage Temperature | –20 to 70 °C |
| Display | Backlit Graphic LCD |
| Languages | English, Chinese |
| Data Storage Capacity | 600,000 records |
| Power Supply | 90–260 VAC, 50/60 Hz or 24 VDC optional |
| Analog Outputs | Dual 4–20 mA (residual chlorine + temperature), max. loop resistance 500 Ω, accuracy 0.1% FS |
| Cleaning Output | Adjustable interval (0.1–1000 h) and duration (1–1000 s) |
| Enclosure Rating | IP65 |
| Controller Dimensions | 144 × 144 × 106 mm |
| Electrode Dimensions | Ø12 × 120 mm |
| Controller Mounting | Wall-mount, panel-mount, pole-mount |
| Electrode Mounting | PG13.5 thread, compatible with BAF615 flow cell |
| Brand | GreenPrima |
|---|---|
| Origin | Switzerland |
| Manufacturer Type | OEM Manufacturer |
| Origin Category | Imported |
| Model | Bsens 660 |
| Instrument Type | Online Analyzer |
| Measurement Principle | Amperometric Electrochemical Sensor (Constant Potential Method) |
| Measured Parameter | Free Residual Chlorine |
| Measurement Ranges | 0–2.000 ppm and 0–20.00 ppm |
| Accuracy | ≤ ±2% of Full Scale |
| Repeatability | ±0.001 ppm / ±0.01 ppm |
| Resolution | 0.001 ppm / 0.01 ppm |
| Detection Limit | 0.001 ppm / 0.01 ppm |
| Temperature Compensation Range | –10 to 130 °C |
| Operating Temperature | 0–70.0 °C |
| Storage Temperature | –20 to 70 °C |
| Output Signals | Dual 4–20 mA (residual chlorine & temperature), RS485 Modbus RTU |
| Cleaning Cycle | Adjustable from 0.1 to 1000 h |
| Duration | 1–1000 s |
| Enclosure Rating | IP65 |
| Controller Dimensions | 144 × 144 × 106 mm |
| Electrode Dimensions | Ø12 × 120 mm |
| Electrode Mounting | PG13.5 thread, compatible with BAF615 flow cell |
| Brand | GreenPrima |
|---|---|
| Origin | Switzerland |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Imported Instrument |
| Model | Bsens650 |
| Instrument Type | Online Analyzer |
| Measurement Principle | Amperometric Electrochemical Sensor (Constant Potential) |
| Measured Parameter | Chlorine Dioxide (ClO₂) |
| Range | 0–2 ppm and 0–20 ppm (switchable or dual-range configuration) |
| Accuracy | ≤ ±2% of reading |
| Repeatability | ±0.01 ppm |
| Resolution | 0.001 ppm |
| Limit of Detection (LOD) | 0.001 ppm |
| Operating Temperature | –5 to 100 °C |
| Max. Working Pressure | 6 bar |
| Electrode Body Material | Borosilicate Glass |
| Membrane | Triple-ceramic junction (3× porous ceramic frits) |
| Diameter | 12 mm |
| Length | 120 mm |
| Connection | PG13.5 threaded fitting |
| Cable Length | 3 m |
| Sensing Element | Dual platinum ring working electrode |
| Electrolyte | Polymer-based gel electrolyte |
| Reference System | Ag/AgCl internal reference |
| Brand | GreenPrima |
|---|---|
| Origin | United Kingdom |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Imported Instrument |
| Model | BSENS650 |
| Instrument Type | Online Analyzer |
| Measurement Principle | Amperometric Electrochemical Sensing (Constant Voltage Mode) |
| Measured Parameters | Free Chlorine, Ozone, Chlorine Dioxide |
| Measurement Ranges | 0–2.000 mg/L and 0–20.00 mg/L (dual-range auto-scaling) |
| Accuracy | ±0.01 mg/L (low range), ±0.1 mg/L (high range) |
| Repeatability | ±0.01 mg/L (low range), ±0.1 mg/L (high range) |
| Resolution | 0.01 mg/L (low range), 0.1 mg/L (high range) |
| Limit of Detection (LOD) | 0.01 mg/L (low range), 0.1 mg/L (high range) |
| Operating Temperature | –5 to 100 °C |
| Max. Working Pressure | 6 bar |
| Sensor Body Material | Chemically resistant polymer housing with borosilicate glass membrane |
| Membrane | Triple-ceramic-pore diffusion barrier |
| Diameter | 12 mm |
| Length | 120 mm |
| Electrical Connection | PG13.5 threaded gland |
| Cable Length | 3 m |
| Electrode Configuration | Dual platinum ring working electrodes |
| Minimum Immersion Depth | 25 mm |
| Electrolyte | Solid-state hydrogel |
| Reference System | Ag/AgCl quasi-reference electrode |
| Brand | GreenPrima |
|---|---|
| Origin | Switzerland |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Imported Instrument |
| Model | Bsens650 |
| Instrument Type | Online Analyzer |
| Measurement Principle | Amperometric Electrochemical Sensor (Constant Voltage Method) |
| Measured Parameters | Free Chlorine, Ozone, Chlorine Dioxide |
| Range | 0–2.000 mg/L and 0–20.00 mg/L |
| Accuracy | ≤1% of reading |
| Repeatability | ±0.01 mg/L (low range), ±0.1 mg/L (high range) |
| Resolution | 0.01 mg/L / 0.1 mg/L |
| Limit of Detection | 0.01 mg/L |
| Electrode Body Material | Glass |
| Cable Length | 3 m |
| pH Compensation | Integrated |
| Output Signal | 4–20 mA analog |
| Compliance | Designed for continuous operation in potable water, swimming pool, and disinfection process monitoring per ISO 9001-manufactured quality system |
| Brand | GreenPrima |
|---|---|
| Origin | United Kingdom |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Imported Instrument |
| Model | Bsens 650 |
| Instrument Type | Online Analyzer |
| Measurement Principle | Amperometric Electrochemical Sensor (Constant Voltage Mode) |
| Measured Parameters | Free Chlorine, Ozone, Chlorine Dioxide |
| Range | 0–2.000 mg/L and 0–20.00 mg/L (dual-range auto-scaling) |
| Accuracy | ≤1% of reading |
| Repeatability | ±0.01 mg/L (low range), ±0.1 mg/L (high range) |
| Resolution | 0.01 mg/L / 0.1 mg/L |
| Limit of Detection | 0.01 mg/L |
| Electrode Body Material | Borosilicate Glass |
| Cable Length | 3 m |
| Output Signal | 4–20 mA (isolated, HART-compatible) |
| pH Compensation | Integrated automatic pH compensation (pH 4–9) |
| Brand | GreenPrima |
|---|---|
| Origin | Germany |
| Manufacturer Type | Manufacturer |
| Origin Category | Imported |
| Model | BSENS650 |
| Instrument Type | Online Analyzer |
| Measurement Principle | Amperometric Electrochemical Sensor (Constant Voltage Mode) |
| Measured Parameter | Free Residual Chlorine |
| Range | 0–2 ppm and 0–20 ppm (switchable or dual-range configuration) |
| Accuracy | ≤ ±2% of reading |
| Repeatability | ±0.01 ppm |
| Resolution | 0.001 ppm |
| Limit of Detection | 0.001 ppm |
| Operating Temperature | –5 to 100 °C |
| Max. Working Pressure | 6 bar |
| Housing Material | Borosilicate Glass |
| Membrane | Triple Ceramic Junction (3× porous frit) |
| Diameter | 12 mm |
| Length | 120 mm |
| Connection | PG13.5 threaded gland |
| Cable Length | 3 m |
| Sensing Element | Dual Platinum Ring Electrodes |
| Minimum Immersion Depth | 25 mm |
| Electrolyte | Polymer-Gelified KCl |
| Reference System | Ag/AgCl |