YUHUA (Gongyi Yuyi Instrument)
Filter
Showing all 6 results
| Brand | YUHUA (Gongyi Yuyi Instrument) |
|---|---|
| Origin | Henan, China |
| Model | DF-101SA |
| Stirrer Type | Magnetic Stirrer |
| Max. Stirring Volume | 2000 mL |
| Speed Range | 100–2000 rpm |
| Temperature Control Range | Ambient to 200 °C |
| Heating Power | ≤500 W |
| Temperature Sensor | PT100 |
| Temp. Display Accuracy | < ±0.5% FS |
| Speed Display Accuracy | ±1 rpm |
| Control Method | Adaptive Fuzzy PID Temperature Control + Closed-Loop Speed Regulation |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Operating Environment | 0–40 °C, RH < 85% |
| Brand | YUHUA (Gongyi Yuyi Instrument) |
|---|---|
| Origin | Henan, China |
| Model | EX-ZNHW |
| Capacity Options | 50–50,000 mL (0.05–50 L) |
| Heating Power | 110–6000 W |
| Temperature Range | Ambient to 380 °C |
| Temperature Accuracy | ±1 °C |
| Resolution | 0.1 °C |
| Control System | Microprocessor-based PID with auto-tuning, dual thermocouple inputs (internal & external), silicon-controlled rectifier (SCR) output |
| Safety Features | Thermocouple break protection, wide-input voltage (160–240 V AC), explosion-proof construction per IEC 60079-0 general requirements for electrical equipment for explosive atmospheres |
| Housing | One-piece molded polymer shell with electrostatic powder-coated lid |
| Insulation | Vacuum-formed alumina-silica ceramic fiber insulation |
| Heating Element | Cr20Ni80 (Nichrome) resistance wire coil embedded in alkali-free glass fiber matrix |
| Optional Functions | Digital timer, integrated magnetic stirring (model-dependent) |
| Brand | YUHUA (Gongyi Yuyi Instrument) |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | TCU Temperature Control Unit |
| Pricing | Upon Request |
| Brand | YUHUA (Gongyi Yuyi Instrument) |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | YHMD Series |
| Effective Evaporation Area | 0.03–0.05 m² |
| Evaporator Inner Diameter | 60 mm |
| Compatible Collection Flasks | 50 mL, 100 mL, 250 mL |
| Condensation Area | 0.02–0.04 m² |
| Brand | YUHUA (Gongyi Yuyi Instrument) |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | YRE-2012 |
| Capacity | 1 L |
| Ultimate Vacuum | ≤ −0.098 MPa (≤ 3 mmHg / 399.9 Pa) |
| Rotation Speed | 5–300 rpm |
| Temperature Control Range | Ambient to 99 °C |
| Heating Accuracy | ±1 °C (not ml/min — corrected per technical standard) |
| Cooling Surface Area | 0.14 m² |
| Evaporation Rate (Water, 1 L Flask) | Up to 20 mL/min |
| Lift Stroke | 100 mm (motorized) + 115 mm (manual assist) |
| Condenser Type | Vertical triple-coil serpentine |
| Sealing | Dual-layer PTFE + fluororubber vacuum seal |
| Power Supply | AC 220 V, 50 Hz, 200 VA |
| Dimensions (W×D×H) | 620 × 430 × 680/780 mm |
| Weight | ~26 kg |
| Operating Ambient | 5–35 °C |
| Brand | YUHUA (Gongyi Yuyi Instrument) |
|---|---|
| Origin | Henan, China |
| Model | YSF(EX)-100L |
| Capacity | 100 L (reaction vessel), 30 L (jacket) |
| Operating Temperature Range | −80 °C to +250 °C |
| Vacuum Level | −0.098 MPa |
| Stirring Speed | 0–650 rpm |
| Stirring Power | 370 W |
| Stirring Torque | 378 N·cm |
| Voltage/Frequency | 220 V / 50 Hz |
| Material | High-Borosilicate Glass (GG-17) |
| Sealing | Mechanical seal with PTFE components and ceramic bearing |
| Jacket Pressure Monitoring | Integrated pressure control system |
| Frame | 304 stainless steel mobile support with PTFE-coated surface |
| Compliance | Designed for ATEX/IECEx-aligned explosion-proof operation (EX-rated motor & inverter optional) |