YST (Dalian Yist)
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| Brand | YST (Dalian Yist) |
|---|---|
| Origin | Liaoning, China |
| Model | YST305SBCS1 |
| Pipe Diameter Range | DN50–DN3000 |
| Flow Velocity Range | 0.1–10 m/s |
| Medium Temperature | −20 °C to +80 °C |
| Max Working Pressure | ≤1.6 MPa |
| Output | 4–20 mA (250–750 Ω load), RS485 (Modbus RTU) |
| Power Supply | AC 220 V ±10% (50/60 Hz) or DC 24 V ±15% |
| Display | Backlit LCD showing instantaneous flow, cumulative flow, velocity, and medium temperature |
| Compliance | Suitable for fire protection water systems per NFPA 13 / ISO 6946 principles (non-intrusive installation, no pressure loss) |
| Material Compatibility | Carbon steel, stainless steel, cast iron, PVC, PE (wall thickness ≤20 mm) |
| Medium Requirements | Homogeneous, single-phase, low-viscosity liquids (e.g., potable water, fire service water) |
| Brand | YST (Dalian Yist) |
|---|---|
| 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 / TFT color screen 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) |
|---|---|
| Origin | Liaoning, China |
| Model | YST183F-A50XL |
| Measurement Range | 0.5–50 m³/h (water, 20°C) |
| Measured Media | Clean or low-viscosity liquids (e.g., potable water, beverages, mild chemical solvents) |
| Wetted Materials | 316L stainless steel |
| Housing Material | 304 stainless steel |
| Output Signals | 4–20 mA analog + RS485 Modbus RTU digital |
| Operating Temperature | −20 to +60 °C |
| IP Rating | IP65 |
| Power Supply | 24 VDC |
| Brand | YST (Dalian Yist) |
|---|---|
| Origin | Liaoning, China |
| Model | YST109B-HP880 |
| Measuring Range | pH 0–14 |
| Accuracy | ±0.1 pH |
| Temperature Compensation | 0–99.9 °C (25 °C reference, automatic) |
| Output Signals | 4–20 mA (2-wire), RS485 (Modbus RTU) |
| Power Supply | 24 VDC (wide-input tolerant) |
| Protection Rating | IP65 |
| Response Time | <30 s |
| Stability | ±0.02 pH/24 h |
| Brand | YST (Dalian Yist) |
|---|---|
| Origin | Liaoning, China |
| Model | YST109B-HP880 |
| pH Range | 0–14 |
| ORP Range | −2000 to +2000 mV |
| pH Accuracy | ±0.02 |
| ORP Accuracy | ±5 mV |
| Temperature Compensation | 0–99.9 °C (reference 25 °C |
| Output Signals | 4–20 mA (2-wire), RS485 (Modbus RTU) |
| Power Supply | 24 VDC (wide-range, solar-compatible) |
| Media Compatibility | Aqueous solutions, weakly corrosive liquids (pH 2–12), suspensions |
| Drift Stability | ±0.02 pH/24 h |
| Enclosure Rating | IP65 |
| Response Time | <30 s |
| ADC Resolution | 24-bit |
| Calibration Modes | Manual & Automatic (single-/two-point) |
| Data Logging | 30-day local history storage |
| Electrode Options | Glass, antimony, or refillable gel-filled pH electrodes |
| Brand | YST (Dalian Yist) |
|---|---|
| Origin | Liaoning, China |
| Model | YST306C1YD1 |
| Measurement Range | 0–120 m/s |
| Housing Material | 304 Stainless Steel |
| Power Supply | 24 VDC |
| Output Signals | 4–20 mA analog + RS485 Modbus RTU |
| Display | Backlit LCD with Chinese interface |
| Installation Type | Insertion-type, multi-pipe-diameter compatible |
| Price | USD 495 (based on ¥3500 @ 7.05 exchange rate) |
| Brand | YST (Dalian Yist) |
|---|---|
| Origin | Liaoning, China |
| Model | YST305SBWS1 |
| Pipe ID Range | DN50–DN2000 mm |
| Velocity Range | 0.1–15 m/s |
| Accuracy | ±1.0% of reading (liquid, standard conditions) |
| Repeatability | ≤0.2% |
| Velocity Resolution | 0.001 m/s |
| Flow Resolution | 0.001 m³/h |
| Operating Temp | Host –20–60°C, Transducer –40–160°C |
| Humidity | ≤95% RH (non-condensing) |
| Max Transducer Pressure | ≤2.5 MPa |
| Enclosure Rating | IP65 (host), IP68 (transducer) |
| Outputs | 4–20 mA (≤750 Ω), RS485 (Modbus RTU), Pulse (configurable width) |
| Power Supply | AC 220 V±10% (50/60 Hz) or DC 24 V±10%, Power Consumption ≤10 W |
| Brand | YST (Dalian Yist) |
|---|---|
| Origin | Liaoning, China |
| Model | YST305SBWS1 |
| Pipe Diameter Range | DN25–DN2000 mm |
| Flow Velocity Range | 0.01–15 m/s |
| Fluid Temperature Range | −30 °C to +70 °C |
| Sensor IP Rating | IP68 |
| Transmitter IP Rating | IP65 |
| Output | 4–20 mA analog output, RS485 with Modbus RTU protocol |
| Power Supply | 90–250 VAC / 50–60 Hz or 11–32 VDC |
| Measured Media | Homogeneous liquids including potable water, cooling water, wastewater, lubricating oil, diesel fuel |
| Brand | YST (Dalian Yist) |
|---|---|
| Origin | Liaoning, China |
| Model | YST305D40YF013 |
| Flow Principle | Transit-Time Ultrasonic (Single-Path) |
| Flow Range | 0 to ±12 m/s |
| Accuracy | ±0.5% of reading (±0.01–12 m/s) |
| Repeatability | 0.15% |
| Pipe Diameter Range | 200–5000 mm |
| Analog Output | 4–20 mA (750 Ω load) |
| Pulse Output | 0–9999 Hz (adjustable) |
| Relay Output | SPST, max 1 Hz |
| Communication | RS485, Modbus RTU protocol |
| Power Supply | 24 VDC |
| Operating Temperature | Host: −40 to +60 °C |
| Sensor | −40 to +80 °C |
| Relative Humidity | ≤95%, non-condensing |
| Brand | YST (Dalian Yist) |
|---|---|
| Origin | Liaoning, China |
| Model | YST305SBCS1 |
| Measuring Medium | Water, seawater, diesel, gasoline, lubricating oil, and single-phase chemical solutions |
| Pipe Diameter Range | DN50–DN6000 mm |
| Flow Velocity Range | 0.1–15 m/s |
| Accuracy | ±1.0% (under standard conditions) |
| Repeatability | ≤0.2% |
| Operating Temperature | Host: −20°C to +60°C |
| Probe | −40°C to +160°C |
| Max Working Pressure | ≤2.5 MPa |
| Protection Rating | IP65 (host), IP68 (probe) |
| Output Signals | 4–20 mA analog, RS485 (Modbus RTU), pulse output |
| Power Supply | AC 220 V ±10% (50/60 Hz) or DC 24 V ±10% |
| Brand | YST (Dalian Yist) |
|---|---|
| Origin | Liaoning, China |
| Model | YST305TBCS1 |
| Pipe Diameter Range | DN10–DN6000 mm |
| Flow Velocity Range | 0 to ±30 m/s |
| Accuracy | ±1% (at flow velocity ≥2 m/s) |
| Medium Temperature | −40 °C to +150 °C |
| Sensor IP Rating | IP68 |
| Output Signals | 2× 4–20 mA, 1× pulse, optional RS485 (Modbus RTU) |
| Power Supply | 90–240 VAC or 18–36 VDC |
| Display | Backlit QVGA LCD showing instantaneous & cumulative flow |
| Brand | YST (Dalian Yist) |
|---|---|
| Origin | Liaoning, China |
| Model | YST306D50-BF223 |
| Nominal Diameter | DN50 |
| Flow Velocity Range | 0.1–10 m/s (for water) |
| Temperature Measurement Range | −20 °C to +150 °C |
| Temperature Accuracy | ±0.1 °C (0–100 °C) |
| Output Signals | 4–20 mA (2-wire), RS485 (Modbus RTU) |
| Protection Rating | IP65 |
| Power Supply | 24 VDC (wide-input) or Li-based battery (≥6 years lifespan) |
| Pipe Material Options | Carbon steel or AISI 304 stainless steel |
| Brand | YST (Dalian Yist) |
|---|---|
| Origin | Liaoning, China |
| Model | YST305SBCS1 |
| Medium | Cooling water, circulating water (homogeneous, single-phase, low-viscosity liquid |
| Pipe ID Range | DN50–DN3000 mm |
| Material Compatibility | Carbon steel, stainless steel, cast iron, PVC, PE (non-metallic wall thickness ≤20 mm) |
| Velocity Range | 0.1–10 m/s |
| Accuracy | ±1.0% linearity, ±0.5% repeatability (standard conditions) |
| Pressure Rating | ≤1.6 MPa |
| Operating Temperature (probe) | −20 °C to +80 °C |
| Power Supply | AC 220 V ±10% (50/60 Hz) or DC 24 V ±15% |
| Output Signals | 4–20 mA (load 250–750 Ω), RS485 (Modbus-RTU) |
| Display | Backlit LCD showing instantaneous flow, cumulative flow, velocity |
| Environmental Robustness | Vibration resistance (≤50 Hz, amplitude ≤0.1 mm), EMI immunity (electric field ≤10 V/m, magnetic field ≤100 A/m) |
| Brand | YST (Dalian Yist) |
|---|---|
| Origin | Liaoning, China |
| Model | YST108B-NTU680T |
| Measurement Range | 0–1000 NTU |
| Accuracy | ±2.5% FS |
| Light Source | Infrared LED (Lifespan >100,000 h) |
| Response Time | ≤30 s (to 90% of full-scale change) |
| Operating Temperature | −25 °C to +70 °C |
| Relative Humidity | 0–90% RH (non-condensing) |
| Sensor IP Rating | IP67 |
| Enclosure IP Rating | IP54 |
| Output Signals | Isolated 4–20 mA analog output |
| Power Supply | AC 220 V ±10%, 50/60 Hz |
| Cleaning Mechanism | Motor-driven wiper with programmable automatic cleaning cycle |
| Brand | YST (Dalian Yist) |
|---|---|
| Origin | Liaoning, China |
| Model | YST108B-NTU680T |
| Measurement Range | 0–1 to 0–5000 NTU (multi-range, auto-ranging) |
| Accuracy | ±1% FS |
| Minimum Resolution | 0.01 NTU |
| Repeatability | ≤±0.5% FS |
| Response Time | ≤10 s (to 90% of final value) |
| Operating Temperature | 0–50 °C |
| Power Supply | AC 220 V ±10% or DC 12–24 V |
| Ingress Protection | IP65 or higher |
| Output Signals | 4–20 mA analog, RS485 digital (Modbus RTU), relay alarm output |
| Brand | YST (Dalian Yist) |
|---|---|
| Model | YST109B-HP880 |
| Measurement Range | pH 0.00–14.00 |
| Accuracy | ±0.1 pH |
| Resolution | 0.01 pH |
| Temperature Compensation | 0–60 °C (Automatic) |
| Power Supply | DC 12 V |
| Power Consumption | ≤1 W |
| Protection Rating | IP65 |
| Operating Temperature | −10 °C to 50 °C |
| Communication Protocol | RS485 Modbus-RTU |
| Brand | YST (Dalian Yist) |
|---|---|
| Origin | Liaoning, China |
| Model | YST208B-CR810 |
| Measuring Range | 0–10 m |
| Accuracy | ±0.5% to ±1% FS |
| Resolution | 1 mm |
| Ultrasonic Frequency | 20–200 kHz |
| Transmitter Operating Temperature | −20 °C to +70 °C |
| Sensor Operating Temperature | 0 °C to +70 °C |
| Enclosure Rating | IP65 (Transmitter), IP68 (Sensor) |
| Power Supply | AC 220 V or DC 24 V |
| Output Signals | 4–20 mA analog, RS485 digital (Modbus RTU) |
| Installation | Fixed bracket mount |
| Maintenance Interval | Quarterly |
| Brand | YST (Dalian Yist) |
|---|---|
| Origin | Liaoning, China |
| Model | YST305SBCS125 |
| Accuracy | ±1.0% FS |
| Velocity Range | 0.01–12.0 m/s (bidirectional) |
| Pipe Diameter Range | DN15–DN2000 |
| Medium | Municipal sewage, industrial wastewater, water, and other single-phase liquids |
| Sensor Material | Stainless steel (316L typical) |
| Converter Operating Temperature | −10°C to +45°C |
| Relative Humidity | ≤85% RH |
| Enclosure Rating | IP65 |
| Communication | RS-485, MODBUS RTU |
| Cable | Twisted-pair shielded, standard length 9 m (max. 1000 m with repeater) |
| Repeatability | ±0.2% FS |
| Brand | YST (Dalian Yist) |
|---|---|
| Origin | Liaoning, China |
| Model | YST306D50-BF223 |
| Nominal Diameter | DN50 |
| Flow Range | 0.01–1000 m³/h |
| Heat Energy Range | 0.01–10,000 GJ |
| Temperature Range | 4–150 °C |
| ΔT Range | 2–70 °C |
| Max Working Pressure | 1.6 MPa |
| Protection Rating | IP65 |
| Communication | RS485 (Modbus RTU) |
| Power Supply | 220 V AC or optional lithium battery |
| Brand | YST (Dalian Yist) |
|---|---|
| Origin | Liaoning, China |
| Model | YST308B-MS880T |
| Measurement Range | 0–500 / 0–1000 / 0–5000 mg/L (field-selectable) |
| Operating Temperature | 0–50 °C |
| Relative Humidity | ≤90% RH (non-condensing) |
| Output Signals | 4–20 mA analog, RS485 digital |
| Power Supply | AC 220 V ±10% @ 50/60 Hz or DC 24 V ±10% |
| Installation | Submersible |
| Probe IP Rating | IP68 |
| Enclosure IP Rating | IP65 |
| Compliance | Designed for continuous in-situ SS monitoring per ISO 7027 (turbidity correlation), ASTM D3977, and EPA Method 160.1 principles |
| Brand | YST (Dalian Yist) |
|---|---|
| Origin | Liaoning, China |
| Model | YST308B-MS880T |
| Measurement Principle | Infrared Light Scattering (ISO 7027 Compliant) |
| Range | 0–20 g/L |
| Resolution | 0.01 g/L |
| Accuracy | ±2% FS |
| Sensor IP Rating | IP68 |
| Transmitter IP Rating | IP65 |
| Response Time (T90) | ≤10 s |
| Operating Temp (Sensor) | 0–60 °C |
| Operating Temp (Transmitter) | 0–50 °C |
| Humidity | ≤90% RH (non-condensing) |
| Power Supply | AC 220 V ±10%, 50/60 Hz |
| Output Signals | 4–20 mA (≤500 Ω load), RS485 Modbus RTU |
| Brand | YST (Dalian Yist) |
|---|---|
| Origin | Liaoning, China |
| Model | YST308B-MS880T |
| Measurement Range | 0–50 g/L (expandable to 0–100 g/L) |
| Resolution | 0.01 g/L |
| Accuracy | ±1% FS |
| Sensor Operating Temperature | 0–60 °C |
| Host Operating Temperature | 0–50 °C |
| Humidity Limit | ≤90% RH (non-condensing) |
| Power Supply | AC 220 V ±10%, 50/60 Hz |
| Sensor IP Rating | IP68 |
| Host IP Rating | IP65 |
| Response Time (T90) | ≤10 s |
| Output Signals | 4–20 mA (load ≤500 Ω), RS485 |
| Brand | YST (Dalian Yist) |
|---|---|
| Origin | Liaoning, China |
| Model | YST308B-MS880T |
| Measurement Range | 0–5000 mg/L SS, 0–80.0 °C |
| Accuracy | ±1.5% FS (SS), ±0.3 °C (Temp) |
| Resolution | 1 mg/L (SS), 0.1 °C (Temp) |
| Output | 4–20 mA & RS485 MODBUS RTU |
| Power Supply | 85–265 VAC ±10%, 50 ±1 Hz, ≤3 W |
| IP Rating | IP65 |
| Installation | Panel-mount / Wall-mount / In-line pipe mount |
| Operating Environment | −10 to +60 °C, ≤90% RH, non-corrosive, no strong magnetic field |
| Compliance | HJ 212–2017 (China Emission Monitoring Data Transmission Standard) |
| Brand | YST (Dalian Yist) |
|---|---|
| Origin | Liaoning, China |
| Model | YST308B-MS880T |
| Measurement Range | 0–2000 NTU / 0–500 mg/L (switchable) |
| Accuracy | ±1.5% FS |
| Power Supply | AC 220 V ±10%, 50 Hz ±1 Hz or DC 24 V ±10% (optional) |
| Output Signal | 4–20 mA isolated (load < 750 Ω) |
| Ingress Protection | IP65 |
| Operating Temperature | 0–60 °C |
| Data Logging | 1 month @ 5-min intervals (non-volatile memory, 10-year data retention after power loss) |
| Installation | Flow-through sensor |
| Compliance | HJ 212–2017 protocol support for environmental monitoring platform integration |
| Brand | YST (Dalian Yist) |
|---|---|
| Origin | Liaoning, China |
| Model | YST308T-MS870Z |
| Measurement Principle | Infrared Light Scattering |
| Range | 0–50 g/L |
| Resolution | 0.01 g/L |
| Accuracy | ±1% FS |
| Sensor Operating Temp. | 0–60 °C |
| Host Operating Temp. | 0–50 °C |
| Humidity | ≤90% RH (non-condensing) |
| Power Supply | AC 220 V ±10%, 50/60 Hz |
| Sensor IP Rating | IP68 |
| Host IP Rating | IP65 |
| Response Time (T90) | ≤10 s |
| Output Signals | 4–20 mA (load ≤500 Ω), RS485 (Modbus RTU) |
| Brand | YST (Dalian Yist) |
|---|---|
| Origin | Liaoning, China |
| Model | YST820CY10 |
| Measuring Range | 0.3–10 m |
| Resolution | ±0.5% of full scale |
| Power Supply | 2-wire 18–30 V DC / 4-wire 85–264 V AC or 18–36 V DC |
| Output Signal | 4–20 mA analog (standard), optional RS-485 digital interface |
| IP Rating | IP66 |
| Operating Ambient Temperature | −20 °C to +60 °C |
| Process Temperature | −20 °C to +80 °C |
| Housing Material | Aluminum alloy |
| Transducer Material | PVDF (optional) |
| Mounting | Top-mounted via threaded or flanged connection |
| Brand | YST (Dalian Yist) |
|---|---|
| Origin | Liaoning, China |
| Model | YST820CY10 |
| Measurement Range | 0–10 m (customizable) |
| Accuracy | ±0.5% FS |
| Resolution | 3 mm |
| Operating Temperature | −20 °C to +60 °C |
| Ingress Protection | IP68 |
| Power Supply | DC 24 V (2-wire or 3-wire configuration) |
| Output Signals | 4–20 mA analog + RS485 Modbus RTU |
| Sampling Interval | 10 s (configurable) |
| Housing Material | Reinforced PA66 |
| Mounting | Wall-mounted bracket |
| 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) |
|---|---|
| Origin | Liaoning, China |
| Model | YST918S |
| Measurement Range | 0–50 mH₂O (customizable) |
| Accuracy | ±0.25% FS |
| Operating Temperature | −20 °C to +70 °C |
| Power Supply | 12–36 VDC (typical 24 VDC) |
| Output Signal | 4–20 mA / RS485 |
| Enclosure Rating | IP68 |
| Wetted Material | 316L Stainless Steel (optional corrosion-resistant coating) |
| Standard Cable Length | 5 m (customizable) |
| Brand | YST (Dalian Yist) |
|---|---|
| Origin | Liaoning, China |
| Model | YST918S |
| Measurement Range | 0–100 m H₂O |
| Sensor Type | Diffused Silicon Pressure Sensor |
| Output Signal | 4–20 mA (2-wire, loop-powered) |
| Accuracy | ±0.5% FS (typ.) |
| Temperature Compensation | Built-in Automatic Compensation |
| Enclosure Rating | IP68 |
| Housing Material | 316L Stainless Steel |
| Operating Temperature | −40 °C to +80 °C |
| Supply Voltage | 24 VDC (±10%) |
| Power Consumption | <1 W |
| Immersion Depth | Continuous submersion up to rated range |
| EMI/RFI Protection | Integrated shielding and filtering |