Residual Chlorine and Chlorine Dioxide Analyzer
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Showing 151–172 of 172 results
| Brand | Thermo Fisher |
|---|---|
| Origin | USA |
| Manufacturer | Thermo Fisher Scientific |
| Product Type | Imported |
| Model | Chlorine XP |
| Instrument Type | Online Analyzer |
| Measurement Principle | DPD Colorimetric Spectrophotometry |
| Measured Parameters | Free Chlorine, Total Chlorine, Combined Chlorine |
| Range | 0.01–10 ppm |
| Accuracy | ±3% of reading |
| Repeatability | ±5% |
| Resolution | 0.01 ppm |
| Detection Limit | 0.01 ppm |
| Reagent Consumption | 0.03 mL per analysis |
| Calibration | Automatic blank calibration prior to each measurement |
| Light Source Management | Auto-adjusted LED intensity for extended lifetime |
| Cell Cleaning | Integrated automatic cuvette cleaning cycle |
| Enclosure Rating | IP65 (NEMA 4) |
| Communication Interface | RS-485 |
| Certifications | EPA Compliant, CSA Certified, ISO 9001 Certified |
| Reagent Shelf Life | 24 months (unopened), 60 days (in instrument) |
| Operating Temperature Range | Compatible with sample temperatures as low as 4°C |
| Brand | Thermo Fisher |
|---|---|
| Origin | Singapore |
| Manufacturer | Thermo Fisher Scientific |
| Product Type | Imported Instrument |
| Model | C401 |
| Price | Upon Request |
| Chlorine Range | 0–1.99 ppm / 2.0–6.0 ppm |
| Chlorine Resolution | 0.01 ppm / 0.1 ppm |
| Chlorine Accuracy | ±0.02 ppm / ±0.2 ppm |
| pH Range | 5.9–8.2 |
| pH Resolution | 0.1 |
| pH Accuracy | ±0.1 |
| Cyanuric Acid Range | 5–90 ppm |
| Cyanuric Acid Resolution | 1 ppm |
| Cyanuric Acid Accuracy | ±4 ppm |
| Light Source | LED (525 nm) |
| Calibration | Single-point user-selectable per test |
| Operating Temperature | 0–50 °C |
| Power Supply | 4 × 1.5 V AAA batteries |
| Battery Life | >3000 measurements |
| IP Rating | IP67 |
| Dimensions (Instrument) | 15.5 × 6.8 × 4.6 cm |
| Weight (Instrument) | 200 g |
| Packaging Dimensions | 35.5 × 16.5 × 10.5 cm |
| Package Weight | 1170 g |
| Brand | Thermo Fisher |
|---|---|
| Origin | USA |
| Manufacturer | Thermo Fisher Scientific |
| Instrument Type | Portable |
| Measurement Principle | Amperometric Electrochemical Sensor |
| Measurable Parameters | Free Chlorine, Total Chlorine, pH, Chlorine Dioxide, Cyanuric Acid |
| Free Chlorine Range | 0.02–4.0 mg/L (US EPA Validated Range: 0.03–2.0 mg/L) |
| Total Chlorine Range | 0.02–4.0 mg/L (US EPA Validated Range: 0.03–2.0 mg/L) |
| Chlorine Dioxide Range | 0–9 mg/L |
| pH Range | 5.9–8.2 |
| Cyanuric Acid Range | 5–90 mg/L |
| Sample Volume | 10 mL |
| Display | LCD |
| Power | 4×AAA batteries (≥3000 measurements, auto-off) |
| Ingress Protection | IP67 |
| Operating Environment | 0–50 °C, 0–90% RH (non-condensing at 30 °C) |
| Compliance | CE, TÜV, FCC Part 15 |
| Brand | Thermo Fisher Scientific |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Imported Instrument |
| Model | D10P-70 |
| Pricing | Available Upon Request |
| Electrode | 9770BNWP Free Chlorine Sensor |
| Measurement Range (Cl₂) | 0.01–20 ppm |
| Detection Limit | 3 × 10⁻⁷ M |
| pH Range | 0–14 |
| Temperature Range (Continuous) | 0–50 °C |
| Temperature Range (Intermittent) | 50–100 °C |
| Repeatability | ±2% |
| Electrode Slope | 28 ± 2 mV/decade |
| Electrode Dimensions | 110 mm length, 12 mm body diameter, 16 mm cap diameter |
| Cable Length | 1 m |
| Dual Channel Capability | pH + ISE (e.g., Cl₂, NH₄⁺, F⁻, Na⁺, K⁺, Br⁻, NO₃⁻) |
| Ion Concentration Range | 0–19999 (units: ppm, mg/L, M, %, or unitless) |
| Resolution | 1–3 significant digits |
| Accuracy (Ion) | ±0.1 mV or ±0.05% (whichever is greater) |
| pH Range | −2.000 to 19.999 |
| pH Resolution | 0.001 |
| pH Accuracy | ±0.001 |
| ORP Range | ±1999.9 mV |
| ORP Resolution | 0.1 mV |
| Temperature Range | −5 to 105 °C |
| Temp Accuracy | ±0.1 °C |
| Display | Dual-channel LCD |
| Interfaces | Dual BNC, Dual Reference, Dual MiniDIN (for ATC probes) |
| Methods Stored | 20 |
| Data Storage | 1000 entries with timestamp |
| GLP Compliance | Yes (audit trail, user password, method-level security) |
| Connectivity | RS232 (bidirectional), optional USB cable |
| Enclosure Rating | IP54 |
| Certifications | CE, CSA, UL, TÜV, FCC Class A |
| Power | 4×AA batteries or universal AC adapter |
| Dimensions | 9.4 × 17.0 × 22.4 cm (H × W × L) |
| Brand | Thermo Fisher |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | Thermo Scientific™ TSTIO1000 |
| Instrument Type | Online Analyzer |
| Measurement Principle | Electrochemical Sensing (pH & residual chlorine), 90° Nephelometric Light Scattering (turbidity) |
| Measured Parameters | pH, Residual Chlorine, Turbidity, Temperature |
| Range | 0.01–20 ppm (residual chlorine) |
| Accuracy | ±0.01 ppm or ±2% of full scale (residual chlorine) |
| Repeatability | ≤2% RSD |
| Resolution | 0.01 ppm (residual chlorine) |
| Detection Limit | 0.01 ppm (residual chlorine) |
| Brand | Thermo Fisher |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | Thermo Scientific™ TSTIO1000 |
| Instrument Type | Online Analyzer |
| Measurement Principle | Electrochemical Sensing (pH & residual chlorine) + 90° Nephelometric Light Scattering (turbidity) |
| Measured Parameters | pH, Residual Chlorine, Turbidity, Temperature |
| Measurement Range | Residual Chlorine: 0.01–20 ppm |
| Accuracy | ±0.01 ppm or ±2% of Full Scale |
| Repeatability | ±2% |
| Resolution | 0.01 ppm |
| Detection Limit | 0.01 ppm |
| Brand | TriOS |
|---|---|
| Origin | Germany |
| Model | eCHEM ClO₂ |
| Instrument Type | Portable |
| Measurement Principle | Electrochemical Amperometric (3-Electrode Potentiostatic) |
| Measurand | Chlorine Dioxide (ClO₂) |
| Range | 0–2 mg/L (ppm), optionally 0–20 mg/L |
| Accuracy | ±0.4 mg/L (0–2 mg/L range) |
| Temp. Compensation | Integrated Pt100 |
| Response Time (T90) | ~60 s |
| Housing Material | PVC-U & Stainless Steel 1.4571 |
| Dimensions | 205 mm × 25 mm |
| Weight | 0.12 kg |
| Output Interface | RS-485, Modbus RTU |
| Power Supply | 9–30 VDC, max. 56 mA |
| Connector | 8-pin M12 |
| IP Rating | IP68 |
| Operating Temp. | 0–50 °C (liquid, ice-free) |
| Pressure Rating | 1 bar (static, no shock/vibration) |
| pH Range | 1–12 |
| Conductivity Range | 10 µS/cm – 50 mS/cm |
| Cross-Sensitivity | Cl₂ — negligible interference |
| Membrane Lifetime & Maintenance | Weekly verification recommended |
| Flow Dependency | Yes (optimal flow in FLC-3 flow cell: 15–30 L/h) |
| Calibration Method | DPD-1 spectrophotometric reference for chlorine-equivalent validation |
| Brand | TriOS |
|---|---|
| Origin | Germany |
| Model | eCHEM Total Chlorine |
| Instrument Type | Online Analyzer |
| Measurement Principle | Electrochemical Amperometric (3-Electrode, Constant-Potential) |
| Measured Parameter | Total Chlorine (Free + Combined Chlorine) |
| Range Options | 0–2 mg/L and 0–20 mg/L |
| Accuracy | >97% (as validated against DPD-4 reference method) |
| Repeatability | ±0.1 mg/L |
| Resolution | 0.001 mg/L (0–2 mg/L range), 0.01 mg/L (0–20 mg/L range) |
| LOD | 0.001 mg/L |
| pH Range | 4–12 |
| Conductivity Range | 10 µS/cm – 200 mS/cm |
| Response Time (T90) | ~3 min (freshwater), ~5 min (seawater/brine) |
| Operating Temperature | 0–46 °C (sample), 0–55 °C (ambient) |
| Pressure Rating | 0.5 bar (unclamped), 3 bar (with clamp) |
| Output Interface | RS-485, Modbus RTU |
| Power Supply | 9–30 VDC |
| Housing Materials | PEEK, PVC-U, 1.4571 stainless steel, hydrophilic microporous membrane |
| Weight | 1.1 kg |
| Dimensions (L × Ø) | 205 mm × 25 mm |
| Brand | Water Doctor |
|---|---|
| Origin | Hunan, China |
| Model | Dr-WCI |
| Instrument Type | Benchtop Laboratory Analyzer |
| Measurement Principle | DPD Colorimetric Spectrophotometry (ASTM D1253, ISO 7393-2, EPA 330.5) |
| Measuring Parameter | Free Chlorine (Residual Chlorine) |
| Range | 0.02–2.00 mg/L as Cl₂ |
| Accuracy | ≤ ±5% of reading |
| Repeatability | ≤ ±2% RSD |
| Detection Limit | 0.02 mg/L |
| Absorbance Resolution | 0.001 Abs |
| Wavelength Range | 330–900 nm |
| Wavelength Accuracy | ±5 nm |
| Optical Stability | ≤ ±0.005 Abs / 20 min |
| Display | 8-inch HD capacitive touchscreen |
| Language Support | English & Chinese |
| Sample Holders | Rotatable 16-mm cuvette position + fixed 25-mm cuvette position |
| Calibration Modes | Blank, Factor, and Multi-point Curve Calibration |
| Data Storage | Up to 1,000,000 measurement records |
| Connectivity | USB port for data export |
| Output Modes | Concentration (mg/L) or Absorbance (Abs) |
| Printer | Built-in thermal printer |
| Housing Material | Flame-retardant ABS with chemical resistance |
| Dimensions (W×D×H) | 392 × 315 × 170 mm |
| Light Source | Long-life imported cold LED (rated >100,000 hours) |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | Chlorine 3017M |
| Instrument Type | Online Analyzer |
| Measurement Principle | DPD Spectrophotometry |
| Measured Parameters | Free Chlorine, Total Chlorine, Chlorine Dioxide (optional reagent configuration) |
| Range | 0–5 mg/L (free or total chlorine, reagent-dependent) |
| Accuracy | ±0.03 mg/L or ±5% (whichever is greater) |
| Resolution | 0.01 mg/L |
| Detection Limit | 0.03 mg/L |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Product Category | Domestic (China-made) |
| Model | YK-100 |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | DPD Colorimetric Spectrophotometry |
| Measured Parameter | Free Residual Chlorine |
| Measurement Range | 0.01–3.00 mg/L |
| Accuracy | ≤5% |
| Repeatability | ≤±3% |
| Limit of Detection (LOD) | 0.05 mg/L |
| Display | 4.3″ TFT LCD (1024×600) |
| Optical System | Single-beam with Narrow-band Interference Filter |
| Light Source | Imported Long-life Cold LED (Germany-sourced) |
| Photodetector | Imported Photodiode |
| Optical Stability | ≤0.002 A/10 min |
| Data Storage | Internal Memory (2000 records) + USB Drive Support |
| Calibration Curves | 200 Preloaded Curves |
| Sample Cells | Cuvette (high-precision) and Test Tube (routine use) |
| Waste Disposal | Integrated Auto-drain System |
| Data Interfaces | RS-232C, USB Device, USB Host |
| Optional Wireless | Bluetooth Module (add-on) |
| Brand | YST (Dalian Yistek) |
|---|---|
| Origin | Liaoning, China |
| Model | YST909B-CH980 |
| Measurement Range | 0.01–200 mg/L as Cl₂ |
| Resolution | 0.001–0.1 mg/L |
| Accuracy | ±0.15% of full scale |
| Response Time (T90) | ≤120 s |
| Operating Temperature | 0–60 °C |
| Humidity Limit | <95% RH (non-condensing) |
| Sample Temp. | 0–45 °C |
| Sample Flow Rate | ≈500 mL/min |
| Sample Pressure | 0.1–0.3 bar |
| Power Supply | AC 100–240 V / DC 18–36 V |
| Power Consumption | 12–120 W |
| Enclosure Rating | IP65 |
| Brand | YST (Dalian Yist Environmental Technology Co., Ltd.) |
|---|---|
| Origin | Liaoning, China |
| Model | YST909B-CH980 |
| Measurement Range | Free Chlorine 0–5 mg/L (extendable to 0–20 mg/L), Total Chlorine 0–10 mg/L (extendable to 0–50 mg/L) |
| Resolution | 0.01 mg/L |
| Accuracy | ±2% FS or ±0.02 mg/L (whichever is greater) |
| Response Time (T90) | ≤60 s |
| Operating Temperature | 0–50 °C |
| Relative Humidity | 10–90% RH (non-condensing) |
| Power Supply | AC 220 V ±10%, 50 Hz or DC 12–24 V |
| Output Signals | 4–20 mA analog, RS485 digital (Modbus RTU protocol) |
| Ingress Protection | IP65 |
| Calibration | Automatic (programmable interval) or manual |
| Brand | YST (Dalian Yist Instrument Co., Ltd.) |
|---|---|
| Origin | Liaoning, China |
| Model | YST909B-CH980 |
| Measurement Principle | Electrochemical and DPD-based Spectrophotometric Methods |
| Range (Electrochemical) | 0.01–200 mg/L as Cl₂ |
| Range (Spectrophotometric) | 0.0–10.0 mg/L as Cl₂ |
| Resolution (Electrochemical) | 0.001–0.1 mg/L |
| Resolution (Spectrophotometric) | 0.01 mg/L |
| Accuracy | ±0.15% of full scale or ±0.05 mg/L (whichever is greater) |
| Response Time (T90) | ≤120 s (electrochemical), ≤2.5 min (free chlorine), ≤3.5 min (total chlorine) |
| Operating Environment | 0–60 °C, <95% RH (non-condensing), vibration-free, well-ventilated indoor space |
| Power Supply | AC 100–240 V / DC 18–36 V |
| Power Consumption | ≤120 W |
| Enclosure Rating | IP65/IP66 |
| Output Interfaces | RS-232, RS-485, 4–20 mA analog output |
| Data Storage Capacity | 14,000 records |
| Auto-calibration & Self-diagnostic Functions | Yes |
| Sampling Interval | Programmable from 1 to 999 minutes |
| Brand | YST (Dalian Yist Instrument Co., Ltd.) |
|---|---|
| Origin | Liaoning, China |
| Model | YST909B-CH980 |
| Measurement Range | 0–10 mg/L free chlorine |
| Accuracy | ±2% FS (0–5 mg/L) |
| Response Time | ≤60 s (T90) |
| Zero Drift | ≤±0.05 mg/L over 30 days |
| Span Drift | ≤±2% FS over 30 days |
| Operating Temperature | 0–50 °C |
| Relative Humidity | ≤85% RH (non-condensing) |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Output Signals | 4–20 mA analog output |
| Data Storage | 6-month timestamped history (local), USB export supported |
| Brand | YST (Dalian Yist) |
|---|---|
| Origin | Liaoning, China |
| Model | YST909B-CH980 |
| Measurement Principle | Modified DPD Colorimetry + Membrane-Amperometric Sensor |
| Range | 0.01–10 mg/L Free Chlorine |
| Accuracy | ≤±0.01 mg/L (0.01–1 mg/L range) |
| Drift | ≤±0.03 mg/L over 72 h |
| Power Supply | AC 220 V ±10%, 50 Hz (solar-compatible option available) |
| Output | 4–20 mA analog + RS485 Modbus RTU |
| Environmental Rating | IP65 |
| Operating Temperature | 0–50 °C |
| Relative Humidity | 10–90% RH (non-condensing) |
| Data Storage | Internal logging with trend report export capability |
| Compliance | GB/T 5750.11–2006 |
| Brand | YST (Dalian Yist Environmental Technology Co., Ltd.) |
|---|---|
| Origin | Liaoning, China |
| Model | YST909B-CH980 |
| Measurement Range | Free Chlorine 0–5 mg/L (extendable to 0–20 mg/L), Total Chlorine 0–10 mg/L (extendable to 0–50 mg/L) |
| Resolution | 0.01 mg/L |
| Accuracy | ±2% FS or ±0.02 mg/L (whichever is greater) |
| Response Time | ≤60 s (T90) |
| Operating Temperature | 0–50 °C |
| Humidity | 10–90% RH (non-condensing) |
| Power Supply | AC 220 V ±10%, 50 Hz or DC 12–24 V |
| Output Signals | 4–20 mA analog, RS485 digital (Modbus RTU protocol) |
| Ingress Protection | IP65 |
| Calibration | Automatic (programmable interval) or manual |
| Brand | YST (Dalian Yist Instrument Co., Ltd.) |
|---|---|
| Origin | Liaoning, China |
| Model | YST909B-CH980 |
| Measurement Range | 0–1 mg/L / 0–5 mg/L / 0–10 mg/L (selectable) |
| Resolution | 0.001 mg/L (low range), 0.01 mg/L (mid/high range) |
| Repeatability | ≤1% FS |
| Response Time (T90) | ≤60 s |
| Operating Temperature | Indoor: 0–50°C |
| Outdoor Explosion-Proof | −10–60°C |
| Humidity | ≤90% RH (non-condensing) |
| Sample Temperature | 0–50°C |
| Sample Pressure | 0.1–0.6 MPa |
| Output Signals | 4–20 mA analog, RS485/RS232 (Modbus RTU) |
| Alarm Outputs | 2 relay outputs (NO/NC, 220 VAC / 5 A) |
| Power Supply | AC 220 V ±10%, 50 Hz or DC 24 V |
| Sampling Modes | Flow-through (50–300 mL/min) or Immersion |
| Accuracy | ±2% FS (full scale) |
| Zero Drift (30 days) | ≤±0.05 mg/L |
| Span Drift (30 days) | ≤±2% FS |
| Auto Temperature & pH Compensation | Yes |
| Data Storage Capacity | >80,000 records |
| Update Rate | Up to 1 Hz |
| Brand | Dalian YST |
|---|---|
| Origin | Liaoning, China |
| Model | YST909B-CH980 |
| Measurement Range | 0–1 mg/L / 0–5 mg/L / 0–10 mg/L (selectable) |
| Resolution | 0.001 mg/L (low range), 0.01 mg/L (mid/high range) |
| Repeatability | ≤1% |
| Response Time (T90) | ≤60 s |
| Operating Temperature | 0–50°C (indoor), –10–60°C (outdoor explosion-proof version) |
| Humidity | ≤90% RH (non-condensing) |
| Sample Temperature | 0–50°C |
| Sample Pressure | 0.1–0.6 MPa |
| Output Signals | 4–20 mA, RS485/RS232 (Modbus RTU) |
| Relay Outputs | 2 configurable (NO/NC, 220 VAC / 5 A) |
| Power Supply | AC 220 V ±10%, 50 Hz or DC 24 V |
| Sampling Modes | Flow-through (50–300 mL/min) and Immersion |
| Zero Drift | ±0.05 mg/L over 30 days |
| Span Drift | ±2% FS over 30 days |
| Compensation | Automatic temperature and pH compensation |
| Turbidity Tolerance | ≤100 NTU |
| pH Range for Stable Operation | 6–9 |
| Brand | YST (Dalian Yisite) |
|---|---|
| Origin | Liaoning, China |
| Model | YST909B-CH980 |
| Measurement Range | 0–1 mg/L / 0–5 mg/L / 0–10 mg/L (selectable) |
| Resolution | 0.001 mg/L (low range), 0.01 mg/L (mid/high range) |
| Repeatability | ≤1% |
| Response Time (T90) | ≤60 s |
| Operating Temperature | 0–50°C (indoor), –10–60°C (outdoor explosion-proof version) |
| Humidity | ≤90% RH (non-condensing) |
| Sample Temp. | 0–50°C |
| Sample Pressure | 0.1–0.6 MPa |
| Output | 4–20 mA analog, RS485/RS232 (Modbus RTU) |
| Relay Outputs | 2 configurable (NO/NC, 220 VAC/5 A) |
| Power Supply | AC 220 V ±10%, 50 Hz or DC 24 V |
| Sampling Modes | Flow-through (50–300 mL/min) and Immersion |
| Auto-Cleaning | Yes |
| Compliance | Designed for ISO 9001-manufactured systems |
| Brand | Zming Environmental Technology Co., Ltd. |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | HQ-6017 |
| Instrument Type | Online Analyzer |
| Measurement Principle | DPD Spectrophotometry |
| Measured Parameter | Free Chlorine |
| Measurement Range | (0–2) mg/L, (0–5) mg/L, or (0–20) mg/L (customizable) |
| Output Interfaces | RS485 Modbus RTU, 4–20 mA analog output |
| Operating Modes | Single-shot, Continuous, Cyclic, and Time-scheduled measurement |
| Compliance | ASTM D1253, ISO 7393-2, GB/T 5750.11–2023 (China Standard for Free Chlorine Determination) |
| Brand | ZYKX |
|---|---|
| Origin | Beijing, China |
| Model | PTB-CL20 |
| Instrument Type | Portable |
| Measurement Principle | DPD Colorimetric Method (N,N-Diethyl-p-phenylenediamine) |
| Measurand | Free Residual Chlorine |
| Measurement Range | 0.01–10 mg/L (auto-ranging with dilution support for >2 mg/L) |
| Accuracy | ±5% FS |
| Resolution | 0.01 mg/L |
| Detection Limit | 0.01 mg/L |
| Data Storage | 1000 measurements with non-volatile memory |
| Display | 3.5" color LCD with Chinese GUI |
| Power Supply | 5 × AA rechargeable or alkaline batteries (1.2 V each) |
| Operating Temperature | 5–40 °C |
| Operating Humidity | <85% RH (non-condensing) |
| Dimensions | 200 × 100 × 70 mm |
| Weight | 0.5 kg |
| Light Source | Solid-state cold LED (lifetime >50,000 h) |
| Compliance | Designed per ISO 7393-2 and EPA Method 334.0 principles |
| Battery Life | >10 hours continuous operation |