Guance
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| Brand | GuanCe |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | GCGEST-125 |
| Price | USD 1,560 (FOB Beijing) |
| Measurement Principle | Four-Terminal DC Voltage-Current Method (Constant Current Source + High-Impedance Voltmeter) |
| Resistivity Range | 1.0×10⁻⁴ – 1.0×10⁵ Ω·cm |
| Resolution | 1.0×10⁻⁶ Ω·cm |
| Voltage Ranges | 2 mV / 20 mV / 200 mV / 2 V |
| Voltage Accuracy | ±(0.5% rdg + 2 digits) for 20 mV–2 V range |
| Current Outputs | 10 μA, 100 μA, 1 mA, 10 mA, 100 mA |
| Current Accuracy | ±(0.5% rdg + 2 digits) |
| Electrode Contact Width | 5 mm |
| Electrode Contact Force | 0.6 N |
| Sample Thickness Input | Manual entry via front-panel keypad |
| Display | Triple 4½-digit LED (voltage, thickness, resistivity) |
| Power Supply | 220 V ±10%, 50/60 Hz, <50 W |
| Brand | Guance |
|---|---|
| Origin | Beijing, China |
| Model | GCYZS-75A |
| Measurement Range | 0–100% O₂ |
| Resolution | 0.1% O₂ |
| Accuracy | ±0.4% O₂ |
| Response Time | <10 s |
| Display Precision | 0.1% ±1 digit |
| Drift | <3% per year |
| Combustion Tube ID | 90 mm, Length: 480 mm |
| Gas Flow Velocity in Tube | 40 ±10 mm/s |
| Chamber Temperature Control | 23 ±2 °C |
| Ignition Flame Length | 5–50 mm (adjustable) |
| Power Supply | 220 V ±15%, 50 Hz, 100 W |
| Operating Pressure | 0.1 MPa |
| Input Pressure Range | 0.25–0.4 MPa |
| Gas Requirements | Industrial-grade O₂ (GB/T 3863) and N₂ (GB/T 3864), each with pressure regulator (user-supplied) |
| Brand | GuanCe |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | PMPL-2000A4 |
| Max Test Force | 0–1000 N |
| Frequency Range | 10–100 cycles/min (Standard Compliance: 70 ± 5 cycles/min) |
| Machine Weight | 100 kg |
| Platen Diameter | Ø250 ± 1 mm (Edge Radius: R25 ± 1 mm) |
| Specimen Support Table | 500 × 500 × 10 mm (Perforated, 6.35 mm holes on 20 mm centers) |
| Specimen Dimensions | 500 × 500 × (50 ± 2) mm |
| Drive System | Servo Motor |
| Control Interface | 7-inch Color Touchscreen HMI |
| Control Unit | Siemens PLC |
| Test Modes | Constant-Load Mode / Thickness-Reduction Percentage Mode |
| Max Cycles | >100,000 |
| End-of-Test Alert | Audible Alarm + Auto-Return to Home Position |
| Power Supply | 220 VAC / 50 Hz |
| Footprint | 800 × 500 × 1200 mm (L × W × H) |