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| Brand | Leshi |
|---|---|
| Origin | Beijing, China |
| Instrument Type | Portable |
| Detection Principle | Heated Flame Ionization Detection (HFID) with High-Temperature Catalytic Methane Scrubber |
| Compliance | HJ/T 38–2017, HJ 1012–2018, DB11/T 1367–2016, GB 18352.6–2016, GB 17691–2018, EN 12619, EN 13526, US EPA Compliant |
| Certification | CPA Certified, MCERTS Certified |
| Fuel Options | H₂/He mixture or pure H₂ |
| Zero Air Source | Integrated catalytic air purifier (no external zero air required) |
| Data Logging | Built-in recorder with IoT-enabled telemetry |
| Optional Modules | O₂, temperature, pressure, flow, humidity, PID/benzene speciation |
| Sample Line | Integrated heated sampling line (up to 180 °C) |
| Detection Limit | Sub-ppb range for THC (typical) |
| Response Time | T₉₀ < 3 s |
| Range Switching | Multi-range, auto-switching without power cycle |
| Filter | Removable PTFE particulate filter |
| Brand | SIGNAL |
|---|---|
| Origin | United Kingdom |
| Model | 3010Plus |
| Instrument Type | Portable |
| Compliance | HJ/T 38–2017, HJ 1012–2018, GB 17691–2018, GB 18352.6–2016, DB11/T 1367–2016, DB37/T 3922 |
| Brand | Leshi |
|---|---|
| Origin | Beijing, China |
| Model | 3800Plus |
| Detection Principle | Gas Chromatography with Flame Ionization Detection (GC-FID) |
| Compliance | HJ 1012–2018 |
| Power Supply | Integrated rechargeable battery + external DC/AC input |
| Dimensions (incl. internal gas cylinders & battery) | ≤ 420 × 320 × 180 mm |
| Weight | < 12.5 kg |
| Sample Inlet | Built-in diaphragm pump with flow control |
| Column Configuration | Dual-capillary column system with backflush capability |
| Detection Range | Methane (0.1–10,000 ppm), NMHC (0.05–10,000 ppm as propane), BTEX (0.1–500 ppb to ppm, compound-dependent) |
| Analysis Cycle Time | 60–180 s per sample (configurable) |
| Brand | Protea |
|---|---|
| Origin | United Kingdom |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | SOLUS |
| Instrument Type | Online |
| Detection Principle | Tunable Diode Laser Absorption Spectroscopy (TDLAS) in Near-Infrared (NIR) |
| Measurement Gases | HCl, NH₃, H₂O (simultaneous or configurable), optionally O₂ (with zirconia sensor) |
| Response Time | < 3 s |
| Sample Volume | 15 mL |
| Integrated Sampling System | Yes (heated filter, purge valve, mass flow control) |
| Housing Material | Carbon fiber composite with thermal insulation |
| Calibration | Zero-point drift-free |
| Brand | Leshi |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Instrument Type | Portable |
| Detection Principle | Heated Flame Ionization Detection (HFID) |
| Measured Parameters | Methane (CH₄), Non-Methane Hydrocarbons (NMHC), Total Hydrocarbons (THC) |
| Measurement Ranges | Three selectable ranges (A/B/C) |
| Detection Limit | ≤0.05 mg/m³ |
| Repeatability | ≤1% of Full Scale Deflection (FSD) |
| Operating Temperature | Full-path heated to 191°C |
| Compliance | MCERTS Certified, CPA Verified, EU Directive 2008/50/EC, US EPA Method 25A & 25B compatible |
| Brand | Protea |
|---|---|
| Origin | United Kingdom |
| Model | SOLUS-NH3 |
| Instrument Type | Online Gas Analyzer |
| Detection Principle | Tunable Diode Laser Absorption Spectroscopy (TDLAS) in Near-Infrared (NIR) |
| Target Gases | NH₃, HCl (with H₂O compensation) |
| Response Time | < 3 s |
| Sample Volume | 15 mL |
| Integrated Sampling System | Yes (filter, purge valve, mass flow control) |
| Optional Integrated Zirconia O₂ Sensor | Yes |
| Optional Embedded PC | Yes |
| Construction | Carbon-fiber chassis with thermal insulation |
| Calibration | Zero-air–free operation |
| Compliance | Designed for continuous emissions monitoring (CEM) in accordance with EN 15267, MCERTS, and EPA Method 320 derivatives |
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