Residual Chlorine and Chlorine Dioxide Analyzer
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Showing 31–38 of 38 results
| 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 |