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| Brand | YST |
|---|---|
| Origin | Liaoning, China |
| Model | YST183F-A50XL |
| Nominal Diameter | DN800 |
| Measurement Principle | Faraday’s Law of Electromagnetic Induction |
| Flow Velocity Range | 0.01–10 m/s |
| Accuracy | ±0.5% FS (optional ±1.0% FS) |
| Medium Conductivity | ≥5 µS/cm |
| Temperature Range | –20 to +180 °C (dependent on liner material) |
| Pressure Rating | 0.6–4.0 MPa |
| Liner Material | PTFE |
| Electrode Material | 316L Stainless Steel |
| Enclosure Protection | IP65 |
| Output Signals | 4–20 mA analog, pulse output |
| Communication Interface | RS485 (Modbus RTU) |
| Power Supply | 220 VAC ±10%, 50/60 Hz |
| Wetted Materials Compliance | FDA-compliant PTFE liner per ASTM D1711 |
| Electromagnetic Compatibility | IEC 61326-1 (Industrial Environment) |
| Brand | YST |
|---|---|
| Origin | Liaoning, China |
| Model | YST305D80BF223 |
| Pipe Size | DN80 |
| Flow Velocity Range | 0.01–15 m/s |
| Accuracy | ±0.5% of reading (v ≥ 0.3 m/s), ±1.0% of reading (0.1 ≤ v < 0.3 m/s) |
| Repeatability | ≤ ±0.2% |
| Medium | Single-phase liquid with ≤1% suspended solids, viscosity ≤1000 cP |
| Sensor Operating Temperature | −40°C to +80°C |
| Converter Operating Temperature | −20°C to +60°C |
| Humidity | ≤95% RH (non-condensing) |
| IP Rating | IP65 |
| Output | 4–20 mA DC (load ≤750 Ω), pulse (0–1000 Hz, 50% duty cycle) |
| Communication | RS485 Modbus-RTU |
| Power Supply | AC 220 V ±10% (50/60 Hz) or DC 24 V ±15% |
| Power Consumption | ≤15 W |
| Wetted Materials | Carbon steel spool body, GB/T 9119 flanges, piezoelectric ceramic transducers |
| Brand | YST |
|---|---|
| Origin | Liaoning, China |
| Model | YST183F-A50XL |
| Nominal Diameter | DN2000 mm |
| Flow Velocity Range | 0.1–15 m/s |
| Minimum Fluid Conductivity | ≥5 μS/cm |
| Accuracy Class | ±1.0% of reading |
| Lining Materials | PTFE or rubber (selectable) |
| Electrode Materials | 316L stainless steel or Hastelloy (selectable) |
| Rated Working Pressure | ≤0.6 MPa |
| Temperature Range | –20 to +60 °C (rubber lining) |
| Protection Rating | IP65 (IP68 optional) |
| Power Supply | AC 220 V / DC 24 V |
| Output Signals | 4–20 mA analog output |
| Connection | Flanged, compliant with GB/T 11988 |
| Straight Pipe Requirements | ≥5DN upstream, ≥2DN downstream |
| Brand | YST |
|---|---|
| Origin | Liaoning, China |
| Model | YST183F-A50XL |
| Pipe Size Range | DN10–DN3000 |
| Flow Velocity Range | 0.1–10 m/s |
| Accuracy | ±0.5% FS (standard), ±1.0% FS (challenging conditions) |
| Operating Pressure | PN1.0 MPa / PN1.6 MPa (customizable) |
| Medium Temperature | −20°C to +180°C (standard liner) |
| Minimum Conductivity | ≥5 µS/cm |
| Electrode Materials | 316L stainless steel, Hastelloy C, titanium |
| Liner Materials | PTFE, neoprene, polyurethane |
| Output Signals | 4–20 mA analog, RS485 (Modbus RTU) |
| Sensor Protection Rating | IP67/IP68 |
| Converter Protection Rating | IP65 |
| Power Supply | AC 220 V ±10% 50/60 Hz or DC 24 V ±10% |
| 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 | 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 | 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 | YST940M-3CY10 |
| Measurement Range | Water Level 0.1–5 m, Flow Rate 0.01–10,000 m³/h |
| Measurement Principle | Non-contact ultrasonic (time-of-flight + Doppler dual-mode adaptive) |
| Flume Compatibility | Rectangular weirs, triangular (V-notch) weirs, trapezoidal weirs, Parshall flumes |
| Power Supply | 220 V AC / 12 V DC (solar option available) |
| Communication | RS485, Ethernet, optional 4G/NB-IoT |
| Operating Temperature | −40 to +80 °C with real-time temperature compensation |
| Enclosure Rating | IP65 (main unit), IP68 (transducer) |
| Data Storage | ≥100,000 records in embedded Flash |
| Brand | YST |
|---|---|
| Origin | Liaoning, China |
| Model | YST305D80BF223 |
| Measurement Principle | Transit-Time Ultrasonic Method |
| Accuracy | ±1% of reading |
| Repeatability | <0.5% |
| Flow Velocity Range | 0 to ±10 m/s |
| Volumetric Flow Range (Water) | 5–500 m³/h |
| Turndown Ratio | 1:200 |
| Pipe Diameter Compatibility | DN15–DN3000 |
| Acceptable Pipe Materials | Steel, stainless steel, cast iron, PVC (with or without lining) |
| Fluid Compatibility | Single-phase, acoustically conductive liquids (e.g., potable water, seawater) |
| Fluid Temperature Range | −30 °C to +160 °C |
| Fluid Turbidity Limit | ≤10,000 ppm |
| Air Bubble Tolerance | Low |
| Operating Ambient Temperature (Transmitter) | −20 °C to +60 °C |
| Humidity Limit | ≤85% RH |
| Sensor Immersion Rating | IP68, submersible up to 2 m depth |
| Output Signals | 4–20 mA (load ≤1 kΩ, accuracy 0.1%), OCT pulse output |
| Communication | RS485, Modbus RTU protocol |
| Power Supply | DC 8–36 V |
| Power Consumption | 1.5 W |
| Data Retention | Non-volatile memory with battery backup |
| Brand | YST |
|---|---|
| Origin | Liaoning, China |
| Model | YST940M-3CY10 |
| Measurement Principle | Non-contact ultrasonic time-of-flight (TOF) |
| Flow Range | 0.01–10,000 m³/h (channel-dependent) |
| Velocity Range | 0.01–5.0 m/s |
| Level Range | 0.02–3.0 m (customizable) |
| Velocity Accuracy | ±1.0% FS |
| Level Accuracy | ±0.5% FS |
| Flow Accuracy | ±2.0% FS (standard rectangular/trapezoidal channels) |
| Operating Temperature | −20 °C to +60 °C |
| Storage Temperature | −30 °C to +70 °C |
| Humidity | ≤95% RH (non-condensing) |
| Sensor IP Rating | IP68 |
| Transmitter IP Rating | IP65 |
| Analog Outputs | 4–20 mA, 0–10 V |
| Digital Output | RS485 (Modbus RTU) |
| Relay Outputs | 2-channel (configurable for alarm/control) |
| Power Supply | AC 220 V ±10% / 50 Hz or DC 24 V ±10% |
| Data Storage | ≥1 year (1 record/hour), USB/RS485 export supported |
| 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 |
|---|---|
| Origin | Liaoning, China |
| Model | YST183F-A50XL |
| Nominal Diameter | DN25 mm |
| Lining Material | F46 (Fluorinated Ethylene Propylene, FEP) |
| Flow Range | 0.01–6 m³/h |
| Nominal Pressure | 1.6 MPa |
| Medium Temperature | −40 °C to +180 °C (remote transmitter configuration) |
| Ambient Temperature | −25 °C to +60 °C |
| Minimum Conductivity | ≥20 µS/cm |
| Sensor Protection Rating | IP65 |
| Accuracy | ±0.5% of Full Scale (FS) |
| Brand | YST (Dalian Yisite) |
|---|---|
| Origin | Liaoning, China |
| Model | YST940M-3CY10 |
| Measurement Range | 0.01–10,000 m³/h |
| Accuracy | ±1.0% (with standard flume) |
| Level Range | 0.1–5 m |
| Power Supply | 24 VDC (100 mA), optional 220 VAC or solar |
| Communication | RS485 (Modbus RTU), optional 4G/NB-IoT |
| Enclosure Rating | IP65 (transmitter), IP68 (sensor) |
| Operating Temperature | −20 °C to +60 °C (transmitter), −20 °C to +80 °C (sensor) |
| Data Storage | ≥100,000 records in onboard Flash memory |
| Compatible Flumes | Palmer-Bowlus (Parshall), V-notch (triangular), and rectangular weirs |
| Brand | YST (Dalian Yisite) |
|---|---|
| Origin | Liaoning, China |
| Model | YST940M-3CY10 |
| Flow Range | 0.01–1000 m³/h |
| Level Range | 0.1–10 m |
| Flow Accuracy | ±1.0% to ±2.5% FS |
| Level Accuracy | ±0.5% FS |
| Operating Temperature | −20 °C to +60 °C |
| Enclosure Rating | IP67 |
| Power Supply | 220 V AC (solar option available) |
| Communication | RS485, Modbus RTU |
| Data Storage | 8 GB internal flash (≥5 years at 1-min logging interval) |
| Sensor Material | PTFE-coated transducer |
| Housing Material | Corrosion-resistant engineering plastic |
| Brand | YST (Dalian Yist) |
|---|---|
| Origin | Liaoning, China |
| Model | YST940M-3CY10 |
| Measurement Principle | Ultrasonic Time-of-Flight (Transit-Time) Method |
| Flow Velocity Range | 0.01–12 m/s |
| Water Level Range | 0–500 cm (customizable) |
| Operating Temperature | −20 °C to +70 °C |
| IP Rating | IP67 |
| Power Supply | DC 12–24 V (solar-compatible) |
| Communication Interface | RS485 with Modbus RTU protocol |
| Housing Material | Anodized Aluminum Alloy |
| Brand | YST |
|---|---|
| Origin | Liaoning, China |
| Model | YST183F-A50XL |
| Nominal Pipe Size | DN50 (50–55 mm ID) |
| Flow Velocity Range | 0.1–10 m/s |
| Volumetric Flow Range (DN50 full pipe) | 0.000785–0.0785 m³/h |
| Accuracy | ±0.5% FS (standard conditions), ±1.0% FS (with suspended solids) |
| Conductivity Requirement | ≥5 μS/cm |
| Operating Temperature | −20°C to +150°C (medium), −25°C to +60°C (ambient) |
| Max Working Pressure | ≤1.6 MPa |
| Electrode Materials | 316L stainless steel (standard), Hastelloy C-276, titanium |
| Lining Materials | PTFE (acid/alkali/heat resistant), chloroprene rubber (abrasion resistant, for wastewater) |
| Output Signals | 4–20 mA DC analog, RS485 Modbus RTU |
| Power Supply | 220 V AC or 24 V DC |
| Enclosure Rating | IP65 (standard), IP68 (optional, submersible) |
| Relative Humidity | ≤95% RH (non-condensing) |
| 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 |
|---|---|
| Origin | Liaoning, China |
| Model | YST305D20BF223 |
| Nominal Diameter | DN200 mm |
| Flow Range | 22–1100 m³/h (0.1–10.0 m/s) |
| Accuracy | ±0.5% FS |
| Repeatability | ≤0.1% FS |
| Operating Temperature | −25 °C to +60 °C |
| Max Working Pressure | ≤1.6 MPa |
| Pipe Material Compatibility | Carbon Steel, Stainless Steel, PVC |
| Output Signals | 4–20 mA analog, RS485 Modbus RTU |
| Enclosure Rating | IP65 |
| 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 |
|---|---|
| Origin | Liaoning, China |
| Model | YST183F-A50XL |
| Nominal Diameter | DN40 |
| Flow Range | 0.5–50 m³/h |
| Accuracy | ±0.3% of reading (flow velocity ≥1 m/s) |
| Minimum Conductivity | ≥5 µS/cm |
| Nominal Pressure | 4.0 MPa |
| Operating Temperature | Sensor: −25°C to +60°C |
| Converter/Integral Unit | −10°C to +60°C |
| Lining Material | PTFE (Polytetrafluoroethylene) |
| Electrode Material | Stainless Steel 0Cr18Ni12Mo2Ti |
| Protection Rating | IP65 |
| Output Signals | 4–20 mA analog output |
| Compliance Standard | JB/T 9248–1999 |
| 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 |
|---|---|
| Origin | Liaoning, China |
| Model | YST183F-A50XL (DN50) |
| Nominal Pipe Size | DN50 (50–55 mm ID, adjustable insertion depth) |
| Flow Velocity Range | 0.1–10 m/s |
| Volumetric Flow Range (full pipe, DN50) | 0.000785–0.0785 m³/h |
| Accuracy | ±0.5% FS (standard conditions), ±1.0% FS (challenging conditions, e.g., low-conductivity or particulate-laden fluids) |
| Minimum Fluid Conductivity | ≥5 µS/cm |
| Operating Temperature | –20°C to +150°C |
| Max Working Pressure | 1.6 MPa |
| Electrode Materials | 316L stainless steel (standard), Hastelloy C-276 (corrosive media), Titanium (ultra-pure applications) |
| Lining Materials | PTFE (chemical resistance, high-temp), Neoprene rubber (abrasion resistance, wastewater) |
| Output Signals | 4–20 mA DC (analog), RS485 (Modbus RTU) |
| Power Supply | 220 V AC or 24 V DC |
| Sensor Protection Rating | IP65 (indoor/outdoor non-submersible), optional IP68 (submersible) |
| Ambient Operating Conditions | –25°C to +60°C, ≤95% RH (non-condensing) |
| Long-Term Drift | ≤0.1% FS/year |
| Repeatability | ≤0.2% FS |
| Excitation Method | Low-frequency rectangular wave magnetic excitation |
| 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 |
|---|---|
| Origin | Liaoning, China |
| Model | YST183F-A50XL |
| Nominal Diameter | DN250 |
| Measurement Principle | Faraday’s Law of Electromagnetic Induction |
| Flow Velocity Range | 0.1–10 m/s |
| Volumetric Flow Range | 17.66–176.25 m³/h |
| Accuracy Class | ±0.5% of reading |
| Turndown Ratio | 100:1 |
| Minimum Conductivity | ≥5 µS/cm |
| Max. Working Pressure | 1.6 MPa |
| Process Temperature Range | –20°C to +80°C (standard) |
| Ambient Temperature Range | Sensor: –40°C to +80°C |
| Converter | –15°C to +50°C |
| Enclosure Rating | IP65 (integrated unit) |
| Output Signals | 4–20 mA (load ≤750 Ω), RS485 with Modbus RTU protocol |
| Power Supply | 220 VAC ±10%, 50 Hz ±1 Hz or 24 VDC ±10% |
| Lining Material | PTFE (polytetrafluoroethylene) |
| Electrode Material | 316L stainless steel (customizable) |
| Connection | GB/T 9119–2010 flanged (equivalent to EN 1092-1/DIN 2501/ANSI B16.5 Class 150) |
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