Dalian YST
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| Brand | Dalian YST |
|---|---|
| Origin | Liaoning, China |
| Model | YST308B-MS880T |
| Measurement Range | 0–50 g/L (activated sludge), 0–400 g/L (silica) |
| Units | mg/L / ppm selectable |
| Accuracy | ±1–2% FS |
| Repeatability | ±1–2% |
| Operating Temp. | 0–50 °C |
| Max. Pressure | ≤10 bar |
| Flow Rate | 0.3–3 m/s |
| Output | 4–20 mA isolated |
| Communication | Modbus RTU/ASCII |
| Enclosure Rating | Transmitter IP65, Sensor IP68 |
| Power Supply | AC 220 V or DC 24 V |
| Weight | 6 kg |
| 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 | Dalian YST |
|---|---|
| Origin | Liaoning, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | YST918S (Standard Version) |
| Price | USD 132 (approx. ¥950) |
| Power Supply | 12–36 V DC |
| Accuracy | ±0.5% FS |
| Range | 0–10 m H₂O (customizable) |
| Medium Temperature | −10 to +70 °C |
| Compensation Temperature Range | −10 to +70 °C |
| Response Time | ≤100 ms (to 90% FS) |
| Enclosure Rating | IP68 |
| Output Interface | RS485 (Modbus RTU) & 4–20 mA analog |
| Wetted Materials | 316L stainless steel |
| Sensing Principle | Diffused-silicon piezoresistive hydrostatic pressure measurement with integrated temperature compensation and linearity correction |