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| Brand | Truelab |
|---|---|
| Origin | Shanghai, China |
| Model | GR-1 / GR-2 / GR-3 |
| Vessel Material | ASTM E438 Type I, Class A 3.3 borosilicate glass |
| Working Volume | 1–3 L (GR-1: 1 L, GR-2: 2 L, GR-3: 3 L) |
| Minimum Stirring Volume | 0.13–0.3 L |
| Operating Pressure Range | –0.1 MPa to 0 MPa (gauge) |
| Jacket Pressure Rating | ≤0.03 MPa |
| Vacuum Level | ≤0.03 MPa (absolute) |
| Temperature Range | –80 °C to +200 °C |
| Thermal Shock Resistance | 80 °C |
| Stirring Speed | 40–500 rpm, ±1 rpm digital resolution |
| Motor | Brushless DC, 50 W |
| Sealing | Vacuum-rated mechanical seal with PTFE/PEEK/glass support components |
| Stirrer Shaft & Blades | 06Cr19Ni10 stainless steel core with full PTFE coating |
| Jacket Inlet/Outlet | Rc 3/4 and Rc 1/2 threaded ports with stainless steel insulated flexible hoses |
| Drain Valve | Zero-holdup PTFE-lined diaphragm valve (ID φ10 mm) |
| Frame | Hybrid construction — 06Cr19Ni10 stainless steel base, carbon steel frame with epoxy-polyester spray coating, and anodized aluminum uprights |
| Drip Tray | 06Cr19Ni10 stainless steel |
| Electrical Supply | Stirrer — 100–240 V~, 50/60 Hz |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Dimensions (W×D×H, mm) | GR-1/GR-2 ≈ 480×420×1100 |
| Weight | 19–21 kg |
| Brand | Truelab |
|---|---|
| Model | GR-5Ex |
| Capacity | 5 L |
| Material | Borosilicate Glass 3.3 |
| Max Working Pressure (Jacket) | ≤0.03 MPa |
| Vacuum Level | ≤0.03 MPa |
| Temperature Range | −80 °C to +200 °C |
| Stirring Speed | 50–500 rpm |
| Stirring Motor | Explosion-Proof Three-Phase Induction Motor |
| Power | 180 W |
| Sealing Type | Vacuum Mechanical Seal |
| Stirrer Shaft & Blades | 06Cr19Ni10 Stainless Steel with PTFE Cladding |
| Stirrer Geometry | Single-Layer Four-Blade Open Turbine |
| Temperature Sensor | PT100 (±0.1 °C accuracy) |
| Frame Material | 06Cr19Ni10 + Powder-Coated Carbon Steel + Anodized Aluminum |
| Overall Dimensions (W×D×H) | ~600 × 575 × 1600 mm |
| Net Weight | ~50 kg |
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