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| Brand | CUBIC INSTRUMENTS |
|---|---|
| Origin | Hubei, China |
| Manufacturer Type | Authorized Distributor |
| Regional Category | Domestic (China) |
| Model | USM-G2.5 / USM-G4 |
| Product Type | Ultrasonic Gas Flowmeter |
| Measurement Principle | Transit-Time Ultrasonic Method with L-Shaped Flow Path |
| Accuracy Class | Class 1.5 (EN 1359 / OIML R137 compliant) |
| Flow Range | USM-G2.5: 0.025–4 m³/h |
| USM-G4 | 0.04–6 m³/h |
| Interface | Threaded (M30) |
| Dimensions (L×W×H) | 232 × 172 × 135 mm |
| Weight | 1.6 kg |
| Power Supply | ER34615 Lithium Battery, 3.6 V |
| Operating Temperature | −10 °C to +40 °C |
| Storage Temperature | −20 °C to +60 °C |
| Operating Pressure | 0–20 kPa (gauge) |
| Temperature Compensation | Integrated Pt1000 sensor |
| Ingress Protection | IP65 |
| Explosion Protection | Ex ib IIB T3 Gb |
| Measurement Uncertainty | ±3% at Qmin ≤ Q < Qt |
| Core Components | Domestically developed ultrasonic transducers, ASIC-based signal processing unit, and firmware with embedded thermal drift compensation algorithm |
| Brand | Cubic |
|---|---|
| Origin | Hubei, China |
| Model | Gasboard-8500FS-L240H |
| Measurement Principle | Ultrasonic Time-of-Flight (TOF) |
| Flow Range | 0–240 L/min |
| O₂ Concentration Range | 0–100% vol |
| O₂ Accuracy | ±3% F.S. (5–45 °C) |
| Flow Accuracy | ±2% F.S. |
| O₂ Resolution | 0.1% vol |
| Flow Resolution | 0.1 L/min |
| Response Time (O₂) | <0.1 s |
| Response Time (Flow) | <2 ms |
| Operating Temp. | −20 to +55 °C |
| Operating Humidity | 0–95% RH (non-condensing) |
| Storage Temp. | −20 to +70 °C |
| Communication Interfaces | UART-TTL, I²C, Custom Analog Output |
| Brand | CUBIC INSTRUMENTS |
|---|---|
| Origin | Hubei, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | BF-2008 |
| Product Type | Ultrasonic Gas Flowmeter |
| Flow Range | 0.08–4 Nm³/h |
| Accuracy Class | ±1.5% of reading |
| Transitional Flow (Qt) | 0.4 Nm³/h |
| Overload Capacity | 4.8 Nm³/h |
| Max Operating Pressure | 20 kPa |
| Connection Thread | M30×2.0 |
| Operating Temperature | −10 to +40 °C |
| Storage Temperature | −20 to +50 °C |
| Explosion Protection Rating | Ex ib IIB T3 Gb |
| Power Supply | 3 × AA alkaline batteries (typical 1-year service life) |
| Display | Backlit LCD |
| IP Rating | IP65 (body), IP67 (sensor housing) |
| Brand | Cubic |
|---|---|
| Origin | Hubei, China |
| Model | USM-G2.5 / USM-G4 |
| Measurement Principle | Ultrasonic Time-of-Flight (TOF) |
| Flow Range (m³/h) | G2.5: 0.025–4.0 |
| G4 | 0.04–6.0 |
| Accuracy Class | 1.5 (±3% at Qmin ≤ Q < Qt |
| Operating Pressure | 0–20 kPa |
| Operating Temperature | −10 °C to +40 °C |
| Storage Temperature | −20 °C to +60 °C |
| Ingress Protection | IP54 (Aluminum Housing) / IP65 (Stainless Steel Housing) |
| Explosion Protection | Ex ib IIB T3 Gb |
| Power Supply | 3×AA alkaline or ER34615 (3.6 V) |
| Interface | Threaded connection — G1-1/4 or M30×2 (Aluminum) |
| Dimensions (L×W×H, mm) | Aluminum: 239×151×100 |
| Stainless Steel | 232×172×135 |
| Weight | 1.5 kg (Aluminum), 1.6 kg (Stainless Steel) |
| Brand | CUBIC INSTRUMENTS |
|---|---|
| Origin | Hubei, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | UFM-7200-DN Series |
| Measurement Principle | Ultrasonic Time-of-Flight (Time Difference Method) |
| 声道 Number | 2–4 (model-dependent) |
| Accuracy Class | Class 1.0 (per ISO 6976 / OIML R137) |
| Flow Range | 2.5–4000 m³/h (DN50–DN300) |
| Minimum Start-up Flow | ≤0.5% Qₘᵢₙ |
| Operating Pressure | ≤0.6 MPa |
| Max. Working Pressure | ≤1.6 MPa |
| Fluid Medium | Single-phase gases (natural gas, LPG, air) |
| Temp. Range (Fluid) | –20 to +60 °C |
| Ambient Temp. | –25 to +55 °C |
| Power Supply | 24 VDC external + 3.6 V Li-SOCl₂ battery backup |
| Output Signals | RS-485, 4–20 mA, Modbus RTU, GPRS |
| Display | Backlit LCD showing standard cumulative flow, std. instantaneous flow, actual flow, temperature, pressure, battery status |
| Connection | Flanged (PN16, EN 1092-1) |
| Housing Material | Carbon steel |
| Transducer Material | Titanium alloy |
| Enclosure Rating | IP68 |
| Compliance | Meets requirements for custody transfer in urban gas distribution per CJJ/T 262–2017 and GB/T 32201–2015 |
| Brand | Cubic |
|---|---|
| Origin | Hubei, China |
| Model | Gasboard-8500FS-L40 |
| Measurement Principle | Ultrasonic Transit-Time |
| Flow Range | 0–40 L/min |
| O₂ Concentration Range | 0–100% vol |
| O₂ Accuracy | ±3% FS @ 5–45°C |
| Flow Accuracy | ±2% FS |
| O₂ Resolution | 0.1% |
| Flow Resolution | 0.01 L/min |
| O₂ Response Time (T63) | ≤0.1 s (at ≥10 L/min) |
| Flow Response Time (T63) | <10 ms (at ≥10 L/min) |
| Operating Temp | 5–50°C |
| Humidity Range | 0–95% RH (non-condensing) |
| Communication Interfaces | UART-TTL, I²C, Optional Analog Output |
| Brand | CUBIC INSTRUMENTS |
|---|---|
| Origin | Hubei, China |
| Model | Gasboard-7900PR |
| Product Type | Ultrasonic |
| Measurement Principle | Time-of-Flight (TOF) Ultrasonic Transit-Time Difference |
| Accuracy | ≤ ±2% F.S. |
| Velocity Range | 0–40 m/s |
| Minimum Detectable Velocity | 0.1 m/s |
| Pipe Diameter Compatibility | ≥ 0.5 m |
| Flue Gas Temperature Range | −20 to 190 °C |
| Flue Gas Pressure Range | −10 to +10 kPa |
| Host Operating Temperature | −20 to +60 °C |
| Power Supply | AC 220 V ±10%, 50/60 Hz |
| Output Signal | RS-485 |
| Ingress Protection | IP65 |
| Material Contacting Gas | Corrosion-Resistant Alloy (e.g., Hastelloy C-276 or equivalent) |
| Brand | Cubic |
|---|---|
| Origin | Hubei, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | USM Series |
| Pricing | Upon Request |
| Technology | Ultrasonic Time-of-Flight (TOF) |
| Measurement Principle | Ultrasonic Transit-Time Difference Method |
| Gas Medium | Natural Gas (NG), Liquefied Petroleum Gas (LPG) – vapor phase only |
| Accuracy Class | 1.5 |
| Flow Range (USM-G6/USM-G10/USM-G16) | 0.06–10 / 0.1–16 / 0.16–25 m³/h |
| Interface | G1½ threaded connection |
| Dimensions (L×W×H) | 246 × 204 × 110.5 mm |
| Weight | 2.3 kg |
| Battery | ER34615, 3.6 V |
| Operating Pressure | 0–30 kPa (gauge) |
| Operating Temperature | −10 °C to +40 °C |
| Storage Temperature | −20 °C to +60 °C |
| Ingress Protection | IP54 to IP65 |
| Explosion Protection | Ex ib IIB T3 Gb |
| Flow Error | ±3% (Qmin < Q < Qt), ±1.5% (Qt < Q < Qmax) |
| Integrated Sensors | Flow, Temperature, Pressure |
| Core Components | Domestically developed ultrasonic transducers and signal processing ASIC |
| Brand | Cubic |
|---|---|
| Origin | Hubei, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | USM-G2.5M / USM-G4M |
| Measurement Principle | Time-of-Flight (TOF) Ultrasonic Flow Measurement |
| Flow Range (m³/h) | 0.025–4 (USM-G2.5M) / 0.04–6 (USM-G4M) |
| Interface | UART/TTL |
| Dimensions (mm) | 164 × 44 × 50 |
| Temperature Sensing | Integrated |
| Pressure Sensing | Integrated |
| Accuracy Class | Class 1.5 (per EN 1434 / OIML R137) |
| Max. Working Pressure | 20 kPa |
| Operating Temp. | −10 °C to +40 °C |
| Storage Temp. | −20 °C to +60 °C |
| Power Consumption | <50 µA (standby, typical) |
| Flow Error | ±3% (Qmin ≤ Q < Qt), ±1.5% (Qt ≤ Q ≤ Qmax) |
| Compliance | Meets requirements for residential and small commercial gas metering under ISO 4064-1:2019, EN 1434-2018, and GB/T 6968–2019 |
| Brand | Cubic |
|---|---|
| Origin | Hubei, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | USM |
| Product Type | Ultrasonic Gas Flowmeter |
| Measurement Principle | Transit-Time Ultrasonic Flow Measurement |
| Accuracy Class | 1.5 |
| Operating Pressure Range | 0–50 kPa |
| Operating Temperature | −10 °C to +40 °C |
| Storage Temperature | −20 °C to +60 °C |
| Explosion Protection | Ex ib IIB T3 Gb |
| Ingress Protection | IP54–IP65 |
| Power Supply | ER34615 Lithium Battery, 3.6 V |
| Flow Range (USM-G25) | 0.25–40 m³/h |
| Flow Range (USM-G40) | 0.4–65 m³/h |
| Flow Range (USM-G65) | 0.65–100 m³/h |
| Connection | Threaded (G2, G2½) |
| Dimensions (USM-G25/G40) | 330 × 244/248 × 167 mm |
| Weight | ~4 kg |
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