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| Brand | Junfang Lihua |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | GXH-1050E |
| Instrument Type | Online Process Analyzer |
| Detection Target | Multi-component Gases |
| Minimum Range | 0–50 ppm |
| Repeatability | ≤1% F.S. |
| Resolution | 0.1 ppm |
| Response Time | ≤60 s |
| Zero Drift | ≤±2% F.S./24 h |
| Span Drift | ≤±2% F.S./24 h |
| Linearity Error | ≤±1% F.S. |
| Power Supply | AC 220 V ±10%, 50 Hz ±5% |
| Output Signal | 4–20 mA analog + RS232 digital interface |
| Operating Humidity | ≤90% RH (non-condensing) |
| Warm-up Time | ≤60 min |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | JF-3000 |
| Price | Upon Request |
| Measurement Range | CO: 0–5% vol, O₂: 0–10% vol |
| Alarm Setpoint Range | 10–90% of Full Scale |
| Zero Drift | ≤ ±1% FS (after 8-hr warm-up, 48-hr continuous operation) |
| Sensitivity Drift | ≤ ±1% FS |
| Temperature Influence | ≤ 3% FS over 5–40°C |
| Response Time (T₉₀) | ≤ 2 min |
| Sample Flow Rate | 0.5 L/min |
| Output Relay Capacity | 220 V AC / 5 A |
| Dimensions | 1800 × 610 × 700 mm |
| Weight | ~180 kg |
| Brand | Junfang Lihua |
|---|---|
| Origin | Beijing, China |
| Model | HXPQX-500 |
| Internal Volume | 500 L |
| Cross-sectional Dimensions | 460 mm × 400 mm |
| Centerline Length of Wind Tunnel | 945 mm |
| Airflow Velocity Range | 0–7 m/s ±0.2 m/s (adjustable via frequency converter) |
| Preset Airflow Setpoints | 0.8, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 6.5 m/s |
| Control Interface | 7-inch TFT touch LCD panel |
| Rotation Capability | 360° continuous |
| Power Consumption | ≤2 kW |
| Supply Voltage | 3N 380 V, 50 Hz |
| External Dimensions | 2094 mm × 568 mm × 1034 mm |
| Exhaust System | Automated gas purging |
| Communication | RS485 / RS232, MODBUS-RTU protocol, multi-channel digital output interfaces |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | GXH-3051C |
| Pricing | Available Upon Request |
| CO₂ Resolution | 0.1 ppm |
| CO₂ Range | 0–1000 ppm |
| CO₂ Accuracy | ±1% F.S. |
| Relative Humidity Resolution | 0.1% RH |
| RH Range | 0–100% RH |
| RH Accuracy | ±2% F.S. |
| Temperature Resolution | 0.1 °C |
| Temp Range | 0–50 °C |
| Temp Accuracy | ±0.2 °C |
| Photosynthetic Photon Flux Density (PPFD) Resolution | 1 µmol·m⁻²·s⁻¹ |
| PPFD Range | 0–3000 µmol·m⁻²·s⁻¹ |
| PPFD Accuracy | ±10 µmol·m⁻²·s⁻¹ |
| Battery | 6 V, 4 Ah Ni-MH |
| Continuous Operation Time | ≥2 h (instrument), ≥3 h (laptop) |
| Charging | 220 V AC, 12 h full charge |
| Airline Length | 1.2 m |
| Net Weight | 2.5 kg |
| Brand | MSR (Msfang Li Hua) |
|---|---|
| Origin | Beijing, China |
| Model | GXH-1051L |
| Instrument Type | Online Gas Analyzer |
| Measured Gas | CO (Carbon Monoxide) |
| Measurement Principle | Non-Dispersive Infrared (NDIR) Absorption |
| Range | 0–50 ppm (standard), customizable up to 0–100% vol |
| Repeatability | ≤ ±1% FS |
| Linearity Error | ≤ ±2% FS |
| Zero Drift | ≤ ±1% FS / 48 h |
| Span Drift | ≤ ±1% FS / 48 h |
| Response Time (T90) | ≤ 30 s |
| Resolution | 0.1 ppm (minimum) |
| Warm-up Time | ≤ 60 min |
| Operating Humidity | ≤ 90% RH (non-condensing) |
| Power Supply | AC 220 V ±10%, 50 Hz ±5% |
| Output Signal | 4–20 mA analog |
| Sample Pump | Integrated diaphragm pump |
| Enclosure | Rack-mountable embedded chassis |
| Temperature Control | Internal thermostatic stabilization |
| Brand | Junfang Lihua |
|---|---|
| Origin | Beijing, China |
| Model | JFQ-3150L |
| Principle | Non-Dispersive Infrared (NDIR) Absorption |
| Type | Portable |
| Response Time | ≤30 s |
| Repeatability | ≤±1% FS |
| Zero Drift | ≤±2% FS / 4 h |
| Span Drift | ≤±2% FS / 4 h |
| Linearity | ≤±2% FS |
| Warm-up Time | 15 min |
| Measurable Gases | CO₂, CO, CH₄, SO₂, NO, NO₂, H₂S |
| Measurement Ranges | CO₂ & CO — 0–50 ppm to 0–100% (configurable per application) |
| Compliance | Designed for field-deployable environmental and occupational hygiene monitoring per ISO 12039, ISO 21258, and EPA Method TO-11A guidelines |
| Brand | Junfang Chemical & Physical |
|---|---|
| Origin | Beijing, China |
| Model | JF-2200 |
| Measurement Gases | CH₄, C₃H₈, CO, H₂ |
| Accuracy | ±2% FS |
| Warm-up Time | 30 min |
| Output | RS232 digital interface, 4–20 mA analog output |
| Power Supply | AC 220 V or DC 12 V |
| Multi-channel Capability | Up to 20 gas alarm units |
| Data Storage | Internal high-capacity non-volatile memory |
| Communication | RS-232C serial interface |
| Customization | Adjustable measurement range per user specification |
| Compliance | Designed for alignment with GB 50493, JJG 693, and ISO 16000-24 calibration verification protocols |
| Brand | Junfang Lihua |
|---|---|
| Model | GXH-1052E |
| Origin | Beijing, China |
| Instrument Type | Online Fixed-Mount Analyzer |
| Detection Principle | Non-Dispersive Infrared (NDIR) Absorption |
| Measured Gas | CO₂ (Single-Component) |
| Range | 0–500 ppm (standard) |
| Resolution | 0.1 ppm |
| Repeatability | ≤1% FS |
| Linearity Error | ≤±1% FS/24h |
| Zero Drift | ≤±2% FS/24h |
| Span Drift | ≤±2% FS/24h |
| Response Time (T₉₀) | ≤60 s |
| Power Supply | AC 220 V ±10%, 50 Hz ±5% |
| Output Signals | 4–20 mA analog + RS232 digital interface |
| Operating Humidity | ≤90% RH (non-condensing) |
| Warm-up Time | ≤60 min |
| Internal Sampling Pump | Integrated |
| Display | Backlit LCD with touch interface |
| Data Logging | Onboard memory + PC software export |
| Brand | Junfang Lihua |
|---|---|
| Origin | Beijing, China |
| Model | JFQ-1150L |
| Measurement Principle | NDIR with optional thermal conductivity, electrochemical, or fluorescence detection modules |
| Gas Channels | Single-channel configurable |
| Measurable Gases | CH₄, C₃H₈, total hydrocarbons (HC), H₂, O₂, H₂S, SO₂, NH₃ (gas-specific module dependent) |
| Range | 0–100% vol (field-configurable) |
| Linearity Error | ≤ ±2% FS |
| Repeatability | ≤ ±1% FS |
| Zero Drift | ≤ ±1% FS / 48 h |
| Span Drift | ≤ ±1% FS / 48 h |
| Warm-up Time | ≤ 60 min |
| Response Time (T₉₀) | ≤ 60 s |
| Operating Humidity | ≤ 90% RH (non-condensing) |
| Power Supply | AC 220 V ±10%, 50 Hz ±5% |
| Output Signal | 4–20 mA analog |
| Enclosure | Rack-mountable embedded chassis with integrated sampling pump |
| Internal Temperature Control | Yes |
| Compliance | Designed to meet GB/T 16157, HJ 75–2017, HJ 76–2017, and ISO 12039 requirements for continuous emission monitoring systems (CEMS) |
| Brand | Junfang Physical Chemistry |
|---|---|
| Origin | Beijing, China |
| Model | JF-2300 |
| Operating Temperature | 0–50 °C |
| Relative Humidity | 40–90 % RH |
| Power Supply | AC 220 V ±10 %, 50 Hz |
| Gas Mixing Accuracy | ±1 % of set value |
| Concentration Range | 0–100 % (adjustable continuously) |
| Repeatability | ≤0.5 % |
| Stability | ≤±1 % F.S. |
| Linearity Error | ≤±1 % of set value |
| Response Time | ≤5 s |
| Flow Rate | 0.5–1.0 L/min |
| Brand | Junfang Physical & Chemical |
|---|---|
| Origin | Beijing, China |
| Model | JF-3000 |
| Instrument Type | Online Analyzer |
| Detection Target | Multi-component Gases |
| Minimum Full-Scale Accuracy | ≤±1% F.S. |
| Repeatability | ≤±1% F.S. |
| Resolution | 0.1 ppm |
| Response Time | ≤30 s |
| Zero Drift | ≤±1% F.S. |
| Span Drift | ≤±1% F.S. |
| Linearity Error | ≤±1% F.S. |
| Sample Flow Rate | 0.5 L/min |
| Operating Ambient Temperature Range | 5–40 °C |
| Weight | ~180 kg |
| Dimensions | 1800 × 610 × 700 mm |
| Brand | Junfang Lihua |
|---|---|
| Origin | Beijing, China |
| Model | GXH-1051E |
| Instrument Type | Online Gas Analyzer |
| Detection Principle | Non-Dispersive Infrared (NDIR) Absorption |
| Target Gas | Carbon Monoxide (CO) only |
| Measurement Range | 0–50 ppm (standard), customizable up to 0–100% vol |
| Minimum Detectable Concentration | 0.1 ppm |
| Repeatability | ≤ ±1% FS |
| Linearity Error | ≤ ±2% FS |
| Zero Drift | ≤ ±1% FS / 24 h |
| Span Drift | ≤ ±1% FS / 24 h |
| Response Time (T90) | ≤ 60 s |
| Resolution | 0.1 ppm |
| Operating Humidity | ≤ 90% RH (non-condensing) |
| Power Supply | AC 220 V ±10%, 50 Hz ±5% |
| Output Signals | 4–20 mA analog + RS232 digital interface |
| Internal Sampling Pump | Integrated |
| Display | Backlit LCD with touch control |
| Data Logging | Onboard memory with USB/PC software download capability |
| Brand | Junfang Physical & Chemical |
|---|---|
| Model | PQX-2002 |
| Chamber Volume Options | 25 L, 50 L, 100 L (custom sizes available) |
| Dimensions (L×W×H) | 470×335×207 mm / 670×470×207 mm / 1020×520×224 mm |
| Material | Optical-grade acrylic (PMMA) |
| Power Supply | AC 220 V, 50 Hz |
| Integrated Features | Digital温-humidity display, internal fan-assisted homogenization, pure gas inlet ports, exhaust valve, glove ports (built-in rubber gloves), analytical instrument interface ports |
| Compliance | Designed to meet GB 15322–2019 requirements for alarm activation value testing of combustible and toxic gas detectors |
| Brand | Junfang Physical & Chemical |
|---|---|
| Origin | Beijing, China |
| Model | JF-2211 |
| Volume Output Range | 1–1000 mL per injection |
| Concentration Dilution Ratio | up to 1:400 |
| Calibration Accuracy | ±1% of set volume |
| Compatible Gas Types | Non-corrosive gases only |
| Optional Mixing Chamber Volume | 10–100 L |
| Control System | Microprocessor-based programmable timing and sequencing |
| Brand | Junfang Lihua |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | HXPQX-2020 |
| Price Range | USD 28,000–42,500 |
| Internal Volume | 0.60 m³ |
| Cross-Sectional Dimensions | 400 × 300 mm |
| Tunnel Length (Centerline) | 1850 mm |
| Temperature Range (High Temp Test) | 50–70 °C ±2 °C |
| Temperature Range (Low Temp Test) | 0–−40 °C ±2 °C |
| Humidity Range (Steady-State Damp Heat) | 93 %RH ±3 %RH at 40 °C ±2 °C |
| Air Velocity Range | 0–6.5 m/s ±0.2 m/s |
| Rotational Step | 45° per increment |
| Temp Measurement Accuracy | ±0.5 °C (Resolution ≤0.1 °C) |
| RH Measurement Accuracy | ±0.5 %RH (Resolution ≤0.1 %RH) |
| Air Velocity Measurement | 0.2–10 m/s, ±5 % error (Resolution ≤0.1 m/s) |
| Heating Rate | ≤1 °C/min |
| Cooling Rate | 0.5–1 °C/min |
| Humidification Rate | ≤5 %RH/min |
| Dehumidification Rate | ≤1 °C/min |
| Brand | Junfang Lihua |
|---|---|
| Model | GXH-1052L |
| Origin | Beijing, China |
| Instrument Type | Online Gas Analyzer |
| Measured Gas | CO₂ (single-component) |
| Range | 0–500 ppm (standard), customizable up to 0–100% vol |
| Resolution | 1 ppm |
| Repeatability | ≤ ±1% FS |
| Linearity Error | ≤ ±2% FS |
| Zero Drift | ≤ ±2% FS / 8 h |
| Span Drift | ≤ ±2% FS / 8 h |
| Response Time (T₉₀) | ≤ 60 s |
| Warm-up Time | ≤ 60 min |
| Operating Humidity | ≤ 90% RH (non-condensing) |
| Power Supply | AC 220 V ±10%, 50 Hz ±5% |
| Output Signal | 4–20 mA analog |
| Internal Sampling Pump | Integrated |
| Enclosure Type | Rack-mountable embedded chassis |
| Brand | Junfang Lihua |
|---|---|
| Origin | Beijing, China |
| Model | GXH-3051L |
| Instrument Type | Portable |
| Detection Target | Single-component CO |
| Measurement Range | 0–50 ppm |
| Repeatability | ±1% F.S. |
| Resolution | 0.1 ppm |
| Response Time | ≤15 s |
| Zero Drift | ≤±1% F.S./24 h |
| Span Drift | ≤±1% F.S./24 h |
| Linearity Error | ≤±2% F.S. |
| Brand | Junfang Lihua |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | GXH-1050D |
| Price Range | USD 1,400 – 7,000 |
| Instrument Type | Continuous Emission Monitoring System (CEMS) |
| Measurement Principle | Non-Dispersive Infrared (NDIR) |
| Accuracy | ≤ ±1% F.S. |
| Repeatability | ≤ ±1% F.S. |
| Response Time (T₀–T₉₀) | ≤ 15 s |
| Zero Drift | ≤ ±1% F.S. / 24 h |
| Span Drift | ≤ ±1% F.S. / 24 h |
| Linearity Error | ≤ ±1% F.S. |
| Detection Gases | CO, CO₂, CH₄, C₃H₈, H₂, O₂ |
| Minimum Range | 0–100 ppm |
| Maximum Range | 0–100% v/v |
| Flow Rate | 0.5–3 L/min |
| Operating Temperature | 0–40 °C |
| Relative Humidity | ≤ 90% RH (non-condensing) |
| Power Supply | 220 V ±10%, 50 Hz ±0.5 Hz, 150 W |
| Output Signals | 0–20 mA, 4–20 mA, 0–10 mV, 1–5 V (load ≤ 600 Ω, isolated) |
| Display | Digital concentration readout with dual-range capability (ppm and % v/v) |
| Brand | Junfang Lihua |
|---|---|
| Origin | Beijing, China |
| Model | GXH-3051E |
| Instrument Type | Portable |
| Detection Target | Single-component CO |
| Measurement Range | 0–50 ppm |
| Repeatability | ≤1% F.S. |
| Resolution | 0.1 ppm |
| Response Time | ≤30 s |
| Zero Drift | ≤±1% F.S. |
| Span Drift | ≤±1% F.S. |
| Linearity Error | ≤±1% F.S. |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | GXH-3051 |
| Price | Upon Request |
| Measurement Range (CO₂) | 0–1000 ppm / 0–100% vol |
| Zero Drift | ≤ ±1% FS / 4 h |
| Span Drift | ≤ ±1% FS / 4 h |
| Linearity | ≤ ±1% FS |
| Repeatability | ≤ ±1% |
| Warm-up Time | 15 min |
| Weight | 1.5 kg |
| Display | Backlit LCD with Direct Concentration Readout |
| Gas Flow Control | Adjustable via Integrated Flow Regulator |
| Calibration Mode | Six-Port Manual Valve for Zero/Measurement Path Switching |
| Power | Dual Rechargeable Battery System with Low-Voltage Alert |
| Brand | Junfang Physical & Chemical |
|---|---|
| Origin | Beijing, China |
| Model | JFQ-3150G |
| Price Range | USD 1,400 – 7,000 |
| Brand | Junfang Analytical |
|---|---|
| Model | JF-2215 |
| Origin | Beijing, China |
| Gas Compatibility | CH₄, CO, C₃H₈, H₂ (expandable to C₄H₁₀, C₂H₅OH) |
| Concentration Accuracy | ±2% FS |
| Repeatability | 1% |
| Stability (5 min) | ≤4% drift under sealed conditions |
| Predefined Concentration Steps | 7 per gas (user-configurable) |
| Gas Type | Non-corrosive gases only |
| Price Range | USD 2,800 – 7,000 |
| Brand | Junsquare |
|---|---|
| Model | GXH-3052L |
| Instrument Type | Portable Gas Analyzer |
| Detection Principle | Non-Dispersive Infrared (NDIR) |
| Target Gas | CO₂ (single-component) |
| Measurement Range | 0–1000 ppm |
| Resolution | 1 ppm |
| Repeatability | ±1% FS |
| Linearity Error | ≤±2% FS |
| Zero Drift | ≤±2% FS |
| Span Drift | ≤±2% FS |
| Response Time (T₉₀) | ≤30 s |
| Power Supply | DC (battery-operated) |
| Compliance | Designed per GB/T 18204.2–2014, HJ 870–2017, and ISO 8573-1 for ambient and stack gas CO₂ monitoring |
| Brand | SUSS |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Instrument Type | Continuous Emission Monitoring System (CEMS) |
| Model | JF-2200 |
| Gas Measurement Ranges | CO 0–1000 ppm |
| Measured Parameters | O₂, CO, CO₂, CH₄, C₃H₈, C₄H₁₀, Total Hydrocarbons (HC), NOₓ, NO₂, N₂O, NH₃, SO₂, H₂S, temperature, humidity, static/total pressure, flue gas velocity |
| Compliance | Designed to meet ISO 14064-1, EN 15267, and EPA Method 3A / 6C / 7E / 10 standards for stack emission verification |
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