Yuhong
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| Brand | Yuhong |
|---|---|
| Origin | Hubei, China |
| Model | TH-2000 |
| Pollutant Parameters | PM2.5, PM10, TSP, SO₂, NO₂, NO, NOₓ, O₃, CO, H₂S, NH₃ |
| Data Acquisition | 3×/minute (per parameter) |
| Communication | RS232/RS485, GPRS, CDMA, wired PSTN/broadband |
| Compliance | Meets Chinese National Standards for Ambient Air Monitoring (HJ 653–2013, HJ 654–2013, HJ 655–2013), supports EPA-equivalent data validation protocols |
| Brand | Yuhong |
|---|---|
| Origin | Hubei, China |
| Model | TH-2000PM Portable |
| Measurement Principle | Beta-ray Absorption (β-ray) |
| Measured Parameters | PM₁₀ and PM₂.₅ |
| Compliance | HJ 653–2013 |
| Display | 7-inch HD Touchscreen (Chinese UI) |
| Data Storage | Hourly internal logging |
| Communication | Built-in GPRS module, digital output interface |
| Optional Modules | Meteorological sensors (wind speed/direction), GPS, noise monitoring, video capture |
| Radiation Source | Low-activity ¹⁴C beta source (licensed per Chinese radiation safety regulations) |
| Brand | Yuhong |
|---|---|
| Origin | Hubei, China |
| Model | TH-2000PMc |
| Instrument Type | Continuous Emissions Monitoring System (CEMS) for Particulate Matter |
| Measurement Principle | Beta-ray attenuation (β-ray) |
| Sampling Flow Rate | 11 L/min (constant flow) |
| Cut-off Sizes | PM₁₀, PM₂.₅, PM₁.₀ (with optional cyclone cutters) |
| Regulatory Compliance | HJ/T 76–2007, U.S. EPA PS-11 |
| Measurement Uncertainty | ±1% FS |
| Repeatability | ≤1% RSD |
| Response Time (T₉₀) | ≤1 min |
| Zero/Drift Stability | ≤1% FS/24 h |
| Display | 7-inch capacitive touchscreen |
| Data Interface | USB, RS232, RS485, LAN, GPRS |
| Operating Environment | High-temperature, high-humidity flue gas streams |
| Power Backup | Built-in power failure protection |
| Brand | Yuhong |
|---|---|
| Origin | Hubei, China |
| Model | TH-2000Z1 |
| Measurement Principle | Tapered Element Oscillating Microbalance (TEOM) |
| Measured Parameters | PM₁₀ and PM₂.₅ |
| Sample Inlet Options | TSP, PM₁₀, PM₅, PM₂.₅, PM₁ |
| Flow Control | Mass Flow Controller |
| Volatile Compensation | Integrated dual-cycle zero-gas reference compensation |
| Display | 8.4-inch industrial-grade TFT color touchscreen (Chinese UI) |
| Compliance Context | Designed for continuous ambient air quality monitoring per EPA EQOA guidance and ISO 12103-1 reference practices |
| Power Management | Programmable pump duty cycle for energy-efficient operation |
| Brand | Yuhong |
|---|---|
| Model | TH-2001H |
| Detection Principle | Chemiluminescence (CLD) |
| Measurement Species | NO, NO₂, NOₓ (NO + NO₂) |
| Display | 7-inch full-touch color LCD |
| Concentration Units | ppb, ppm, µg/m³, mg/m³ |
| Automatic Range Switching | Yes |
| Temperature & Pressure Compensation | Integrated |
| Data Logging Interval | 5-minute resolution |
| Storage Capacity | High-capacity internal memory |
| Sampling System | Dual-path, time-shared single-channel with electromagnetic valve switching |
| O₃ Generator | Patented micro-ozone generator (ZL201220024333.0) |
| NO₂-to-NO Converter | Integrated catalytic converter with patented NO₂ reduction and O₃ removal module (ZL201020245767.8) |
| Remote Capabilities | Remote calibration, real-time diagnostics, parameter monitoring |
| Alarm Functions | Multi-parameter configurable alarms |
| Compliance Support | Designed for continuous ambient air monitoring per EPA Method 42, ISO 7935:1990, and EN 14211:2012 |
| Brand | Yuhong |
|---|---|
| Model | TH-2001H |
| Detection Principle | Chemiluminescence (CLD) |
| Measurement Parameters | NO, NO₂, NOₓ (calculated) |
| Display | 7-inch capacitive touchscreen |
| Units | ppb, ppm, µg/m³, mg/m³ (user-selectable) |
| Data Logging | Interval-stamped records every 5 minutes |
| Power Supply | Rechargeable Li-ion battery (≥5 h operation) + AC adapter |
| Operating Environment | 0–40 °C, 10–90% RH (non-condensing) |
| Compliance | Designed for field-deployable environmental monitoring per EPA Method 42 & ISO 7935 (principles), GLP-aligned data integrity |
| Gas Path | Dual-stream, time-shared single reaction chamber with catalytic NO₂-to-NO converter |
| Automatic Compensation | Temperature and barometric pressure |
| Connectivity | Remote calibration & diagnostics via embedded communication interface |
| Alarm | Multi-parameter configurable thresholds |
| Brand | Yuhong |
|---|---|
| Model | TH-2002H |
| Detection Principle | UV Fluorescence (214 nm excitation / 330 nm emission) |
| Detection Range | 0–10 ppm (selectable auto-ranging) |
| Resolution | 0.1 ppb |
| Accuracy | ±2% FS |
| Response Time (T90) | <60 s |
| Operating Temperature | −20 °C to +50 °C |
| Power Supply | Rechargeable Li-ion battery (≥10 h continuous operation) |
| Display | 7-inch capacitive touchscreen |
| Data Logging | Internal storage ≥12 months @ 5-min intervals |
| Compliance | Meets GB/T 15438–1995, EPA Method RFNA-01 (UV Fluorescence), ISO 7935:1990 (Ambient Air – SO₂ Measurement) |
| Brand | Yuhong |
|---|---|
| Model | TH-2003H |
| Detection Principle | UV Absorption at 254 nm |
| Display | 7-inch capacitive touchscreen |
| Concentration Units | ppb, ppm, µg/m³, mg/m³ |
| Data Logging Interval | 5 minutes |
| Battery Life | >10 hours (rechargeable Li-ion) |
| Flow Path Materials | PTFE (Teflon®) |
| Auto Range Switching | Yes |
| Temperature & Pressure Compensation | Integrated |
| Remote Diagnostics & Calibration Support | Yes |
| Alarm Functions | Multi-parameter configurable |
| Power Supply | AC/DC dual-mode |
| Brand | Yuhong |
|---|---|
| Model | TH-2004H |
| Measurement Principle | Gas Filter Correlation Infrared Absorption (GFC-IR) at 4.6 µm |
| Detection Range | Configurable across ppb to ppm levels |
| Output Units | ppb, ppm, µg/m³, mg/m³ |
| Display | 7-inch capacitive touchscreen |
| Data Logging | One record per 5 minutes with timestamped storage |
| Environmental Compensation | Automatic temperature and pressure compensation |
| Calibration | Remote zero/span calibration and internal diagnostic access |
| Compliance | Designed for ambient air monitoring per EPA Method TO-11A principles |
| Alarm Functions | Multi-threshold, user-configurable concentration alarms |
| Rotating Filter Wheel | Precision-machined, long-life CO/N₂ dual-channel correlation wheel |
| Signal Processing | Adaptive optimization algorithm for dynamic response time and SNR balancing |
| Software Interface | Menu-driven Chinese GUI with real-time waveform zoom, scaling, and historical trend replay |
| Data Export | USB mass storage or optional Ethernet/RS485 interface |
| Brand | Yuhong |
|---|---|
| Model | TH-2008H |
| Origin | Hubei, China |
| Flow Control | Dual Mass Flow Controllers (MFCs) |
| O₃ Generation | Integrated ozone generator with 18-point calibration |
| NO₂ Generation | Quantitative NO₂ standard gas via gas-phase titration (GPT) |
| Display | 7-inch full-touch color LCD |
| Interface | Chinese menu system |
| Programmability | Up to 99 program/sequence segments |
| Environmental Compensation | Automatic temperature & pressure compensation |
| Communication | RS232, RS485, USB, Ethernet |
| Remote Capability | Remote zero/span command execution and internal parameter diagnostics |
| Alarm System | Multi-parameter fault alerting |
| Compliance | Designed for EPA, ISO 16140, EN 14625, and US EPA Method 213/214 alignment |
| Brand | Yuhong |
|---|---|
| Origin | Hubei, China |
| Model | TH-810β |
| Measurement Principle | Beta-ray attenuation (⁹⁰Sr source) |
| Measured Parameters | PM₁₀ and PM₂.₅ |
| Measurement Range | 0–30 mg/m³ |
| Sampling Method | Isokinetic tracking or constant-flow sampling |
| Sample Line Heating Temperature | Adjustable up to 180 °C |
| Internal Thermal Management | Industrial-grade air conditioning unit |
| Display | 7-inch capacitive touchscreen |
| Data Interface | USB, RS232, RS485, LAN, GPRS |
| Compliance Support | Designed for continuous emission monitoring system (CEMS) integration per Chinese HJ 76-2017 and HJ 653-2013 |
| Brand | Yuhong |
|---|---|
| Model | TH-890C |
| Measurement Principle | Non-Dispersive Infrared (NDIR) Spectroscopy |
| Gas Channels | 5 (SO₂, NOₓ, CO, CO₂, O₂) |
| Dual-Range per Channel | Yes (e.g., SO₂/NOₓ: 0–100 ppm / 0–2000 ppm) |
| Accuracy | ±1% FS |
| Repeatability | ≤1% FS |
| Response Time (T₉₀) | ≤60 s |
| Zero Drift (24 h) | ≤1% FS |
| Sample Flow Rate | 3 L/min |
| Dew Point Control Range | 2–4 °C |
| Heated Sampling Probe | PID-controlled, corrosion-resistant, low-adsorption |
| Built-in NOₓ Converter | Optional |
| Data Storage | ≥5 years (internal) |
| Compliance | Designed for EPA Method 6C, EN 15267, ISO 12039, and GLP/GMP-aligned data integrity practices |
| Power Supply | Rechargeable Li-ion battery + AC adapter |