YST (Dalian Yist Environmental Technology Co., Ltd.)
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| Brand | YST (Dalian Yist Environmental Technology Co., Ltd.) |
|---|---|
| Origin | Liaoning, China |
| Model | YST208B-CR810 |
| Measuring Range | 0.5–20 m (sensor-dependent) |
| Accuracy | ±0.5% to ±1% FS |
| Resolution | 1 mm |
| Display | Bilingual LCD with trend graph |
| Output Signals | 4–20 mA analog, RS485/Modbus RTU digital |
| Alarm Outputs | 2–4 relay channels (5 A / 250 VAC) |
| Power Supply | AC 220 V ±10% or DC 12–24 V |
| Power Consumption | <5 W |
| Enclosure Rating | IP65 (main unit), IP68 (sensor) |
| Housing Material | ABS/aluminum (unit), 304/316L stainless steel (sensor) |
| Standard Cable Length | 10 m (customizable) |
| Brand | YST (Dalian Yist Environmental Technology Co., Ltd.) |
|---|---|
| Origin | Liaoning, China |
| Model | YST308B-MS880T |
| Measurement Principle | Infrared Scattering (880 nm) |
| Range | 0–50,000 mg/L (multi-range configurable) |
| Power Supply | DC 12–24 V, <50 mA avg. |
| Output Signals | 4–20 mA analog, RS485 digital (Modbus RTU) |
| Sensor IP Rating | IP68 |
| Host IP Rating | IP65 |
| Sensor Operating Temp. | −10 to 60 °C |
| Host Operating Temp. | 0 to 50 °C |
| Installation Options | Top-mount, side-mount, submersible |
| Sensor Material | 316 stainless steel |
| Housing Material | POM engineering plastic |
| 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 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 |