JKRDA
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| Brand | JKRDA |
|---|---|
| Origin | USA |
| Model | CH2-260 |
| Hydrogen Generation Principle | Pure Water Electrolysis |
| Output Flow Rate | 260 mL/min |
| Output Pressure | 11.9 bar |
| Hydrogen Purity | 99.999995% |
| Certifications | CSA, UL, IEC 61010, CE |
| Dimensions | 40 × 40 × 45 cm |
| Weight | 23 kg |
| Power Supply | 220 V, 50 Hz |
| Brand | JKRDA |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | LC-2100 |
| Instrument Type | Ultra-High Performance Liquid Chromatograph (UHPLC) |
| Application Scope | General-Purpose Analytical Use |
| Pump Flow Range | 0.001–10.000 mL/min (0.001 mL/min increments) |
| Flow Accuracy | ≤±1% (at 1.0 mL/min, 8.5 MPa, methanol, 25°C) |
| Flow Precision | RSD ≤0.25% |
| Maximum Operating Pressure | 42 MPa |
| Pressure Pulsation | <0.1 MPa (at 1.0 mL/min, 8.5 MPa, methanol, 25°C) |
| UV-Vis Detector Wavelength Range | 190–740 nm |
| Wavelength Accuracy | ±1 nm |
| Wavelength Repeatability | ±0.1 nm |
| Spectral Bandwidth | 8 nm |
| Baseline Noise | ≤5×10⁻⁶ AU (methanol, 1 mL/min, 254 nm, 20°C) |
| Baseline Drift | ≤±1×10⁻⁴ AU/h (methanol, 1 mL/min, 254 nm, 20°C) |
| Detection Limit | ≤4×10⁻⁹ g/mL (naphthalene in methanol) |
| Flow Cell Volume | 10 µL |
| Optical Path Length | 10 mm |
| Light Source | Deuterium Lamp (2000 h lifetime) / Optional Tungsten Lamp |
| Communication Interface | RS-232 |
| Power Supply | AC 220 V, 50/60 Hz |
| Power Consumption | 100 W |
| Dimensions (W×D×H) | 360×260×170 mm |
| Weight | 13 kg (pump), 10 kg (detector) |
| Brand | JKRDA |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | SP7800 |
| Instrument Type | Laboratory Gas Chromatograph |
| Application Scope | General-Purpose |
| Electrical Specification | 220 V AC, 10 A |