- All
- Favorite
- Popular
- Most rated
| Brand | All Precision Instrument |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Model | JF-5 |
| Oxygen Sensor Range | 0–100% O₂ |
| Resolution | ±0.1% |
| Accuracy Class | 0.1 |
| Flow Control Range | 0–20 L/min (0–1200 L/h) |
| Combustion Tube Internal Diameter Options | ≥75 mm or ≥85 mm |
| Gas Linear Velocity in Tube | 40 ± 2 mm/s |
| Input Pressure | 0.25–0.3 MPa |
| Operating Pressure (N₂/O₂) | 0.15–0.20 MPa |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Max Power Consumption | 150 W |
| Ambient Temp | Room Temp to 40 °C |
| Relative Humidity | ≤70% |
| Ignition Flame Length | 16 ± 4 mm (adjustable 5–60 mm) |
| Compliance Standard | GB/T 2406.2–2009 |
| Brand | North Guang Precision Instrument |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Model | JF-3 |
| Price Range | USD 700 – 1,400 (FOB) |
| Oxygen Measurement Range | 0–100 vol% |
| Resolution | ±0.1% O₂ |
| Overall Accuracy | Class 0.2 |
| Gas Flow Control | 0–10 L/min (60–600 L/h), adjustable via dual needle valves |
| Response Time | <5 s |
| Combustion Column | Quartz glass tube, ID ≥75 mm, height 300 mm, total height 450 mm |
| Gas Linear Velocity in Column | 40 ±2 mm/s |
| Pressure Regulation | Inlet pressure 0.2–0.3 MPa |
| working pressure for O₂/N₂ | 0.05–0.15 MPa each |
| Ignition Source | Propane/butane torch with flame length 5–60 mm (standard ignition flame: 16 ±4 mm) |
| Sample Holders | Dual-configurable—self-supporting vertical clamp & non-self-supporting frame-type fixture |
| Power Supply | AC 220 V ±10%, 50 Hz, max. 50 W |
| Compliance | GB/T 2406.1–2008, GB/T 2406.2–2009, ASTM D2863, ISO 4589-2, IEC 61144, NES 714 |
Show next