Flowmeter
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| Brand | Atotech |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Authorized Distributor |
| Product Type | Thermal Mass Flow Controller |
| Model | MFC330 |
| Flow Range Options | 0–2 / 10 / 20 / 50 / 100 / 300 / 500 sccm |
| Accuracy | ±1% FS |
| Repeatability | ±0.2% FS |
| Linearity | ±0.2% FS |
| Control Range | 1–100% FS (1:100) |
| Measurement Range | 0.5–100% FS (1:200) |
| Response Time | <3 s |
| Warm-up Time | 5 min (T95), 30 min recommended for optimal stability |
| Valve Type | Normally Closed |
| Gas Compatibility | Clean, dry gases |
| Brand | Atotech |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Authorized Distributor |
| Product Type | Thermal Mass Flow Controller |
| Model | Atotech MFC330 Micro-Flow Gas Mass Flow Controller |
| Flow Range Options | 0–2, 10, 20, 50, 100, 300, 500 sccm |
| Accuracy | ±1% FS |
| Repeatability | ±0.2% FS |
| Linearity | ±0.2% FS |
| Control Range | 1–100% FS (1:100) |
| Measurement Range | 0.5–100% FS (1:200) |
| Response Time | <3 s |
| Warm-up Time | 5 min (T95), 30 min optimal |
| Valve Type | Normally Closed |
| Brand | Atotech |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | MFC330 |
| Product Category | Thermal Mass Flow Controller |
| Full Scale Ranges (N₂ equivalent) | 0–2, 10, 20, 50, 100, 300, 500 sccm |
| Measurement Range | 0.5% FS (1:200) |
| Control Range | 1–100% FS (1:100) |
| Accuracy (Standard) | ±1% FS |
| Accuracy (High Performance) | ±0.5% FS |
| Repeatability | ±0.2% FS |
| Linearity | ±0.2% FS |
| Settling Time (Control Mode) | <3 s |
| Warm-up Time (T95) | 5 min |
| Optimal Stability | 30 min |
| Valve Function | Normally Closed |
| Leak Integrity | ≤1×10⁻⁸ Pa·m³/s (He) |
| Max Operating Pressure | 3 MPa (30 bar) |
| Operating Differential Pressure | 0–1 MPa |
| Operating Temperature Range | −20 to +65 °C (ambient & gas) |
| Relative Humidity | 0–98% RH (non-condensing) |
| Process Connections | Push-in, Push-on, Compression, VCR (optional) |
| Wetted Materials | FKM elastomers, 304/316 stainless steel |
| Housing IP Rating | IP40 |
| Mounting Orientation | Horizontal only (factory calibrated) |
| Mounting Holes | M4 × 5 mm |
| Weight | 0.96 kg |
| Electrical Interface | DB9 male |
| Analog I/O | 0–5 VDC, 4–20 mA (configurable) |
| Input Impedance | >10 MΩ |
| Output Impedance | <1 kΩ |
| Analog Data Update Rate | 200 Hz |
| Digital Interface | Modbus RTU (RS232/RS485), CAN |
| Baud Rates | 9600–115200 bps (user-selectable) |
| Power Supply | 15–40 VDC, <200 mA |
| Display Update Rate | 50 Hz |
| Analog Signal Accuracy | ±0.05% FS |
| STP Reference | 20 °C, 1 atm |
| Gas Selection | Software-configurable for >98 gas types |
| Software | Aitoly Stepwise Flow Control Suite |
| Brand | Beifen Sanpu |
|---|---|
| Model | ZM-102B |
| Type | Volumetric Flowmeter |
| Measurement Principle | Soap Film Displacement (Gravimetric-Volumetric Timing) |
| Flow Range | 1–1000 mL/min |
| Accuracy | ±1% of reading |
| Repeatability | <0.5% |
| Volume Resolution | 0.1 mL |
| Time Resolution | 0.01 s (displayed as 0.1 s) |
| Temperature & Pressure Compensation | Built-in sensor-based correction |
| Power | Rechargeable 4.8 V / 700 mAh Li-ion battery (standby >24 h) |
| Dimensions | 90 × 150 × 280 mm |
| Weight | 1.3 kg |
| Compliance | JJG 586–2006 “Verification Regulation for Soap Film Flowmeters” |
| Brand | AMAE |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | EE-25 |
| Price Range | USD 2,100 – 3,500 (FOB) |
| Flow Measurement Principle | Positive Displacement (Rotary Piston Type) |
| Flow Range | 5–2010 mL/min |
| Accuracy Class | Class 1 per ISO 4064-2:2014 & JJG 577–2012 |
| Output Interface | RS-232/RS-485, USB, Ethernet |
| Compliance | Meets requirements for verification of gas sampling pumps per EPA Method TO-11A, ISO 12039, and EN 13649 |
| Brand | AMAE |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | EE-35 |
| Price Range | USD 2,100 – 3,500 (FOB) |
| Flow Measurement Principle | Positive Displacement (Rotary Piston Type) |
| Flow Range | 1–35 L/min |
| Accuracy Class | Class 1 per ISO 4064-2:2014 & JJG 577-2012 |
| Interface | RS-485 / USB-C |
| Connectivity | Integrated with AMAE-DESK Calibration Management Platform |
| Compliance | Meets requirements for verification of gas samplers per EPA Method TO-11A, ISO 10780, and GB/T 32205–2015 |
| Brand | FPI |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | BWATER-3200 |
| Liquid Flow Velocity Accuracy | Not Specified |
| IP Rating | IP68 |
| Minimum Pipe Diameter | 300 mm |
| Power Consumption (Average) | 1 W |
| Response Time | ≤10 s |
| Output | Real-time water level, velocity, and calculated flow data via remote telemetry interface |
| Brand | Starwood |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Origin Category | Domestic (China) |
| Model | Gilibrator 3 |
| Pricing | Upon Request |
| Flow Ranges | Low: 5–450 cm³/min |
| Standard | 50–5000 cm³/min |
| High | 1–30 L/min |
| Volume Accuracy | ±1% of reading |
| Integrated Temperature & Pressure Sensors | Yes |
| Measurement Interval | 1–15 s per sample |
| Averaging Function | 3–20 samples, user-defined SD and % deviation thresholds |
| Gas Compatibility | Non-corrosive, non-condensing air only |
| Operating Temperature | 0–50 °C |
| Battery | LiFePO₄, 8 h continuous (min brightness), 3 h at max flow |
| Charging | 3 h via 12 VDC adapter, 7 h via USB (device off) |
| Display | Color graphical LCD with auto-brightness HMI touchscreen |
| Data Interface | RS-232 (pump sync), USB (data export), SD card slot (CSV & bitmap export) |
| Certifications | None specified |
| Brand | Guo Ruili Heng |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | GR-5030 |
| Liquid Level Measurement Accuracy | ≤0.5 mm |
| Flow Measurement Accuracy | ≤±1% |
| Flow Measurement Range | 0–40 m³/s |
| Sampling Frequency | 3 Hz |
| Data Storage Capacity | 50,000 records |
| Battery Life | >72 h (internal Li-ion) |
| Operating Temperature | −20 °C to +50 °C |
| Operating Humidity | ≤85% RH |
| Dimensions | 270 × 215 × 105 mm |
| Weight | 2.4 kg |
| Display | Color TFT touchscreen with Chinese UI |
| Output Interface | USB |
| Compliant Standards | JJG 711–1990, HJ 15–2019, HJ 353–2019, HJ 354–2019, HJ 355–2019 |
| Brand | Hongtuo Technology |
|---|---|
| Origin | Hubei, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | ZM-105B Portable Intelligent Electronic Soap Film Flowmeter |
| Price | USD 700 (FOB) |
| Liquid Mass Flow Accuracy | ΔQ < ±1% |
| Repeatability | < 0.5% |
| Flow Resolution | 0.1 mL/min |
| Time Resolution | 0.1 s (internal calculation to 0.01 s) |
| Measuring Range | 0.3–30,000 mL/min |
| Operating Temperature | 0–40 °C |
| Built-in Battery | 4.8 V / 700 mAh, >24 h standby, >500 charge cycles |
| External Power | 9 V DC input with integrated trickle charging |
| Dimensions | 90 × 150 × 280 mm |
| Weight | 1.3 kg |
| Brand | HORDE Electric |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | HD-DP601 |
| Unit Price | USD 1,200 (FOB) |
| Liquid Velocity Measurement Resolution | 0.001 mm/s |
| Liquid Level Range | 0–10 m |
| Flow Velocity Range | 0–5 m/s |
| Instantaneous Flow Rate Range | 0–999,999,999 m³/h |
| Cumulative Flow Range | 0–999,999,999 m³ |
| Temperature Range | −10 to +70 °C |
| Level Resolution | 0.001 m |
| Flow Rate Resolution | 0.1 m³/h |
| Temperature Resolution | 0.1 °C |
| Housing Material | PVC |
| Power Consumption | <2 W |
| Display | TFT Color LCD |
| Enclosure Rating | IP65 (Transmitter), IP68 (Sensor) |
| Supply Voltage | Transmitter: AC 220 V / DC 24 V / Solar-Charged Battery |
| Sensor | 9–24 V DC |
| Output Signals | RS-485 Modbus RTU (standard), 4–20 mA analog output (standard), optional HART / NB-IoT / LoRaWAN |
| Data Update Interval | 8 s (default) |
| Mounting | Wall-mounted transmitter, immersion-type sensor with adjustable bracket |
| Cable Length | 10 m standard (custom lengths available) |
| Cable Material | Polyurethane-coated corrosion-resistant cable |
| Brand | ISCO |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | ISCO 2150 |
| Price | Upon Request |
| Measurement Principle | Continuous-Wave Doppler Ultrasonics + Velocity-Area Method |
| Minimum Measurable Depth | 25 mm |
| Enclosure Rating | NEMA 4X/6P, IP68 |
| Operating Temperature | −40 °C to +60 °C |
| Power Supply | 12 VDC (7.0–16.6 VDC) |
| Typical Operating Current | 100 mA |
| Standby Current | 1 mA |
| Dimensions (H×W×D) | 7.4 cm × 28.7 cm × 19.1 cm |
| Weight | 0.9 kg |
| Housing Material | Impact-resistant polystyrene & stainless steel |
| Battery Life (15-min logging) | 15 months (Energizer® 529 alkaline) |
| Data Storage | Non-volatile flash memory |
| Communication | RS-232, 38,400 bps |
| Probe Calibration | Factory-calibrated at 120 points across 3 m depth range and multiple temperatures |
| Pressure Compensation | Integrated vented piezoresistive sensor |
| Probe Sealing | Epoxy-potted transducer with hydrophobic membrane & desiccant tube |
| Brand | ISCO |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | LaserFlow |
| Pricing | Upon Request |
| Brand | KEYENCE |
|---|---|
| Origin | Japan |
| Product Type | Clamp-on Ultrasonic Liquid Flowmeter System |
| Model | FD-XS8 Sensor Head / FD-XA1 Controller / FD-XC8R2 Clamp Assembly |
| Flow Range (Ø6.35 mm) | 0–3000 mL/min |
| Flow Range (Ø8 mm) | 0–8000 mL/min |
| Zero-Cut Flow | 40 mL/min (adjustable) |
| Display Resolution (Instantaneous Flow) | 0.1 / 1 / 10 mL/min |
| Display Resolution (Totalized Flow) | 0.001 / 0.01 / 0.1 / 1 mL |
| Repeatability (Resin Pipe, 50 ms response) | ±0.1 % FS or ±3 mL/min (Ø6.35 mm), ±8 mL/min (Ø8 mm) |
| Repeatability (Metal Pipe, 50 ms response) | ±0.3 % FS (Ø6.35 mm), ±0.15 % FS (Ø8 mm) |
| Response Time | Adjustable (50 ms to 500 ms) |
| Environmental Rating | IP65/IP67 (IEC 60529), IP68G (JIS C0920) |
| Operating Temperature | −10 °C to +60 °C |
| Humidity | 35–85 % RH (non-condensing) |
| Housing Material | PPS/PPSU (sensor head), SUS304/SUSXM7 (metal clamp), FKM rubber (sealing surfaces) |
| Weight | Approx. 250 g |
| Brand | Lanjing |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Country of Origin | China |
| Model | LJ-DP501 |
| Liquid Mass Flow Accuracy | ±1.0% ± 1 mm/s |
| Liquid Level Range | 0–10 m (Resolution: 0.001 m) |
| Velocity Range | 0–5 m/s (Accuracy: <5%, Resolution: 0.001 mm/s) |
| Instantaneous Flow Range | 0–999,999,999 m³/h (Resolution: 0.1 m³/h) |
| Totalized Flow Range | 0–999,999,999 m³ |
| Temperature Range | −10–70 °C (Accuracy: ≤±0.5 °C, Resolution: 0.1 °C) |
| Housing Material | PVC |
| Power Consumption | <2 W |
| Display | TFT Color LCD |
| Protection Rating | IP65 (Host), IP68 (Sensor) |
| Power Supply | Rechargeable 12 V Li-ion Battery (Host), 9–24 V DC (Sensor) |
| Output Signals | RS-485 (standard), 4–20 mA analog output (standard), HART / NB-IoT / LoRa (optional) |
| Installation Method | Submersible Mount with Adjustable Bracket |
| Standard Cable Length | 10 m (Polyurethane, corrosion-resistant, extendable) |
| Brand | Loobo |
|---|---|
| Model | LB-6200 |
| Origin | Shandong, China |
| Flow Range | 0–40 m³/s |
| Liquid Level Measurement Error | ≤ 0.5 mm |
| Flow Measurement Accuracy | ≤ ±1% |
| Sampling Frequency | 3 Hz |
| Display | Color TFT Touchscreen |
| Data Storage | 20,000 records |
| Battery Life | 72 h (DC 24 V Li-ion) |
| Operating Temperature | 10–40 °C |
| Operating Humidity | ≤ 85% RH |
| Dimensions | 400 × 300 × 110 mm |
| Weight | 4 kg |
| Interface | USB |
| Compliance | HJ/T 15–2019, HJ 354–2019 |
| Brand | Restek |
|---|---|
| Model | 23260 |
| Origin | USA |
| Type | Electronic Volumetric Flowmeter |
| Measurement Range | 0.5–500 mL/min |
| Accuracy | ±2% or ±0.2 mL/min (whichever is greater) |
| Display | LCD |
| Power | 2 × AA batteries |
| Output | USB data interface |
| Certifications | NIST-traceable calibration, Ex-rated for hazardous areas (H₂-compatible) |
| Features | Over-flow alarm, auto power-off, ergonomic handheld/desktop design, leak detection capability, field-reconfigurable gas selection, recalibratable |
| Compliance | Meets ASTM D3588 and ISO 4064-1 general principles for volumetric flow measurement in laboratory gas systems |
| Warranty | 1 year |
| Brand | Starwood |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | OEM Manufacturer |
| Product Origin | Domestic (China) |
| Model | MBQ Series |
| Pricing | Available Upon Request |
| Full-Scale Range | 10 SCCM to 3,000 SLPM |
| Accuracy | ±0.6% of reading or ±0.1% of full scale (whichever is greater) |
| Repeatability | ±0.1% of full scale |
| Response Time | <10 ms |
| Operating Temperature | –10°C to +60°C |
| Maximum Working Pressure | 320 PSIA (22 barA) |
| Battery Life | 18 hours |
| Gas Selection | 98+ NIST-traceable preloaded gases |
| Custom Gas Mixtures | Up to 5 components |
| Display & Control | Backlit LCD with integrated touchpad |
| Output Options | Integrated dual flow accumulators and alarm outputs (optional) |
| Certifications | NIST-traceable calibration certificate included |
| Brand | XiuiLab |
|---|---|
| Origin | Shanghai, China |
| Model | XUZM-101B / XUZM-106B |
| Flow Range Options | 0.1–100 mL/min, 1–1000 mL/min, 2 mL/min–2 L/min, 5 mL/min–5 L/min, 6 mL/min–6 L/min, 30 mL/min–30 L/min, 5 L/min–50 L/min |
| Accuracy | ΔQ < ±1% of reading |
| Repeatability | < 0.5% RSD |
| Minimum Flow Resolution | 0.1 mL/min |
| Timing Resolution | 0.01 s (displayed as 0.1 s) |
| Power Supply | Rechargeable 4.8 V / 700 mAh battery or external 9 V DC adapter |
| Battery Cycle Life | >500 charges |
| Standby Time | >24 h |
| 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 |
| 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 |
|---|---|
| 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 |
|---|---|
| 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 |
|---|---|
| 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 | 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) |
| 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 |
|---|---|
| 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 | 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 |
|---|---|
| Origin | Liaoning, China |
| Model | YST305D150BF223 |
| Nominal Pipe Size | DN150 (150 mm ID ±5 mm) |
| Flow Velocity Range | −10 to +10 m/s |
| Accuracy | ±1.0% FS (dual-path), Repeatability: ≤0.2% |
| Operating Temperature | Sensor −40–+160 °C |
| Power Supply | AC 220 V ±10% (50/60 Hz) or DC 24 V ±10%, ≤10 W |
| Output/Communication | RS485 Modbus-RTU (standard), NB-IoT optional |
| Protection Rating | Sensor IP68, Transmitter IP65 |
| Display | Backlit Chinese LCD showing real-time flow rate, totalized flow, and temperature |
| Medium Compatibility | Municipal wastewater, potable water, and other homogeneous liquids (pH 4–9) |
| 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 |