Junfang Physical & Chemical
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| 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 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 Physical & Chemical |
|---|---|
| Origin | Beijing, China |
| Model | JFQ-1150 E |
| CH₄ | 0–100% vol |
| CO₂ | 0–50% vol |
| CO | 0–20% vol |
| H₂S | 0–1.00% vol |
| O₂ | 0–25% vol |
| H₂ | 0–10% vol (optional) |
| Accuracy | ≤ ±1% FS |
| Repeatability | ≤ ±1% FS |
| Linearity | ≤ ±1% FS |
| Alarm Range | 10–90% FS (user-configurable) |
| Output | 4–20 mA analog + RS-232 digital |
| Display | Full-color TFT touchscreen |
| Preconditioning | Integrated stainless-steel gas conditioning system with pressure stabilization, primary & secondary water removal (coalescing + silica gel), particulate filtration, and automatic liquid drainage |
| Brand | Junfang Physical & Chemical |
|---|---|
| Origin | Beijing, China |
| Model | JFQ-3150E |
| Measurement Principles | NDIR (CH₄, CO₂), Electrochemical (CO, H₂S, O₂), Thermal Conductivity (H₂) |
| Gas Channels | Up to 6 configurable |
| Range | 0–100% vol (O₂, CH₄, CO₂), 0–50 ppm to 100% vol (CO, H₂S, H₂) |
| Resolution | 0.1 ppm (for trace gases) |
| Zero Drift | ≤ ±1% FS |
| Span Drift | ≤ ±1% FS |
| Linearity | ≤ ±1% FS |
| Repeatability | ≤ ±1% FS |
| Warm-up Time | 15 min |
| Response Time (T90) | ≤15 s |
| Sample Flow Rate | 0.5–3 L/min |
| Operating Temp. | 0–40 °C |
| RH | ≤90% non-condensing |
| Power | Rechargeable Li-ion battery + AC 220 V ±10%, 50 ±0.5 Hz |
| Brand | Junfang Physical & Chemical |
|---|---|
| Origin | Beijing, China |
| Model | JFQ-3150G |
| Price Range | USD 1,400 – 7,000 |
| Brand | Junfang Physical & Chemical |
|---|---|
| Origin | Beijing, China |
| Model | JFQ-3150H |
| Respiratory Chamber Options | Φ100×140 mm and Φ150×250 mm |
| Simultaneous Measurement | CO₂ concentration, O₂ concentration, temperature, relative humidity |
| Dual Respiration Calculation Modes | CO₂ evolution rate and O₂ consumption rate |
| Application Environment | Ambient storage, cold storage, controlled atmosphere (CA) storage, retail refrigerated display units |