Instrument Dedicated Power Supply
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| Brand | Beijing Liuyi (LY) |
|---|---|
| Origin | Beijing, China |
| Model | DYY-4C |
| Output Voltage Range | 5–1600 V (2 V resolution) |
| Output Current Range | 2–100 mA (1 mA resolution) |
| Max Power Output | 160 W |
| Dimensions (W × D × H) | 315 × 290 × 128 mm |
| Weight | 5 kg |
| Brand | Cytiva |
|---|---|
| Origin | USA |
| Model | EPS |
| Application | Dedicated Power Supply for Electrophoresis Systems |
| Output Modes | Constant Voltage, Constant Current, Constant Power |
| Compliance | CE, UL 61010-1, IEC 61010-2-040 |
| Safety Features | Overload Protection, Short-Circuit Protection, Auto-Restart After Power Interruption |
| Power Range | EPS 301 (1–80 W) |
| Voltage Range | EPS 301 (5–300 V DC) |
| Current Range | EPS 301 (10–400 mA) |
| Time Programming | EPS 301 (00.01–23.59 h or OFF) |
| EPS 3501XL (00 | 01–500 h) |
| Resolution | Voltage (1 V), Current (EPS 301: 1 mA |
| EPS 3501XL | 1 µA to 1 mA depending on range), Time (1 min) |
| Accuracy | Voltage (±4% ±2 V for EPS 301 |
| Timer Accuracy | ±0.1% ±1 min (EPS 301) |
| ±0.1% ±1 min (≤99 | 59 h) / ±0.1% ±10 min (100–500 h) for EPS 3501XL |
| Brand | LY (Beijing Liuyi) |
|---|---|
| Origin | Beijing, China |
| Model | DYY-11 |
| Output Channels | 4 independent parallel outputs |
| Voltage Range | 4–1000 V (1 V resolution) |
| Current Range | 4–500 mA (1 mA resolution) |
| Power Range | 4–300 W (1 W resolution) |
| Dimensions (W×D×H) | 303 × 364 × 137 mm |
| Weight | 7.5 kg |
| Display | Large LCD with real-time parameter monitoring |
| Control Modes | Constant Voltage / Constant Current / Constant Power |
| Programming | 10 stored protocols, up to 9 steps per protocol |
| Protection Features | Over-voltage, over-current, over-load, load variation, and no-load detection with automatic shutdown |
| Memory | Non-volatile program storage |
| Cooling | Integrated forced-air cooling system |
| Compliance | Designed for laboratory electrophoresis applications per IEC 61010-1 safety standards |
| Brand | LY (Beijing Liuyi) |
|---|---|
| Origin | Beijing, China |
| Model | DYY-15D |
| Output Channels | 4 parallel independent outputs |
| Voltage Range | 20–5000 V (2 V resolution) |
| Current Range | 3–300 mA (1 mA resolution) |
| Power Range | 5–300 W (1 W resolution) |
| Display | Large LCD showing real-time voltage, current, power, and timer |
| Programming | 10 stored protocols, each with up to 9 programmable steps |
| Operating Modes | Constant Voltage, Constant Current, Constant Power, Timer Mode, Volt-Hour Mode, Stepwise Program Mode |
| Safety Features | Overload protection, short-circuit auto-shutdown, over-temperature monitoring, low-current maintenance mode, power-fail recovery |
| Dimensions (W×D×H) | 278 × 349 × 110 mm |
| Weight | 4.0 kg |
| Brand | LY (Beijing Liuyi) |
|---|---|
| Model | DYY-2C |
| Output Modes | Constant Voltage & Constant Current |
| Voltage Range | 0–600 V (1 V resolution) |
| Current Range | 0–100 mA (1 mA resolution) |
| Max Power | 60 W |
| Dimensions (W × D × H) | 235 × 295 × 95 mm |
| Weight | 2.5 kg |
| Display | Digital LCD showing real-time V, I, and timer |
| Protection | Overvoltage, overcurrent, overload, variable-load, and no-load detection with auto-shutdown |
| Cooling | Passive convection |
| Output | 4 parallel DC output terminals |
| Control | Microprocessor-based digital regulation with memory recall |
| Brand | LY (Beijing Liuyi) |
|---|---|
| Model | DYY-6D |
| Output Channels | 4 independent parallel outputs |
| Voltage Range | 6–600 V (1 V resolution) |
| Current Range | 4–600 mA (1 mA resolution) |
| Power Range | 1–300 W (1 W resolution) |
| Display | Large LCD showing real-time V, I, P, and timer |
| Memory | 10 user-programmable 3-step protocols |
| Control | Microprocessor-based with continuous parameter adjustment |
| Safety | Overload, short-circuit, over-temperature, and automatic shutdown protection |
| Dimensions (W×D×H) | 246 × 360 × 80 mm |
| Weight | 3.2 kg |
| Compliance | Designed for GLP-compliant electrophoresis workflows in molecular biology labs |
| Brand | LY (Beijing Liuyi) |
|---|---|
| Origin | Beijing, China |
| Model No. | 112-0730 |
| Output Voltage Range | 2–300 V (1 V resolution) |
| Output Current Range | 5–2000 mA (2 mA resolution) |
| Max. Power Output | 300 W |
| Dimensions (W × D × H) | 315 × 290 × 128 mm |
| Weight | 5 kg |
| Output Channels | 4 independent parallel outputs |
| Protection Features | Over-voltage, over-current, over-load, and load-mismatch detection |
| Control System | Microprocessor-based with real-time parameter adjustment |
| Display | LCD showing simultaneous voltage, current, and timer values |
| Memory Function | Parameter storage for repeat protocols |
| Power Architecture | High-efficiency switching-mode power supply |
| Brand | LY (Beijing Liuyi) |
|---|---|
| Origin | Beijing, China |
| Model | DYY-8C |
| Output Modes | Constant Voltage & Constant Current |
| Voltage Range | 5–600 V (1 V resolution) |
| Current Range | 2–200 mA (1 mA resolution) |
| Max Power | 120 W |
| Output Channels | 4 parallel DC outputs |
| Dimensions (W×D×H) | 235 × 295 × 95 mm |
| Weight | 2.5 kg |
| Display | LCD showing real-time voltage, current, and timer |
| Protection Features | Over-voltage, over-current, over-load, load variation, and no-load detection |
| Control System | Microprocessor-based with memory recall function |
| Cooling | Integrated forced-air cooling system |
| Compliance | Designed for laboratory electrophoresis applications per standard molecular biology protocols (e.g., SDS-PAGE, agarose gel electrophoresis) |
| Brand | Piezodrive |
|---|---|
| Origin | Australia |
| Model | PDUS210 |
| Output Power | 210 W |
| Output Voltage Range | 17–282 Vrms |
| Output Current Range | 0.7–11 Arms |
| Load Impedance Range | 1.5–400 Ω (optimized) |
| Frequency Range | 6–500 kHz |
| Waveform | Pure Sine |
| Control Interfaces | USB, RS485, Digital I/O (4-channel), Front Panel, Footswitch |
| Compliance | CE, RoHS |
| Software | Included PC-based control suite with real-time impedance analysis and resonance tracking |
| Brand | Semicircle-Instrument |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer | Yes |
| Country of Origin | China |
| Model | HVP10P10BN-DS |
| Output Voltage | 0–10 kV DC |
| Output Current | 0–2 mA |
| Max. Output Power | 10 W |
| Filament Supply | 0–4 V DC / 0–2 A (adjustable current limit) |
| Input | 24 V DC ±10%, max. 2.0 A |
| Voltage Regulation | ≤0.01% (load) |
| Current Regulation | ≤0.01% (load) |
| Stability (8 h) | ≤0.05% after 30-min warm-up |
| Ripple | ≤0.3% pk-pk of rated output voltage |
| Monitoring Output | 0–10 V DC proportional to 0–Vmax & 0–Imax (Zout = 1 kΩ, accuracy ±1%) |
| Temp. Coefficient | 0.01% / °C |
| Inrush Surge Peak | ≤1 A @ 25°C |
| Operating Temp. | 0–50°C |
| Storage Temp. | −40 to +85°C |
| Weight | 0.4 kg |
| Dimensions | See mechanical drawing |
| Brand | Wiseman |
|---|---|
| Output Voltage | -10 kV to -70 kV (selectable) |
| Output Power | 10 W to 100 W (6 standard ratings) |
| Filament Supply | Floating, 0.3–5 A, adjustable with preheat |
| Input | DC 24 V ±10%, 5 A |
| Stability | ≤0.05% over 8 h (after 30-min warm-up) |
| Ripple | ≤0.1% p-p of rated output voltage |
| Temperature Coefficient | ≤25 ppm/°C |
| Control Interfaces | Analog 0–10 V, USB 2.0, RS-232, RS-485, Ethernet (optional) |
| Compliance | Designed for OEM integration in analytical and industrial X-ray systems |
| Dimensions (10–50 kV) | 205 × 75 × 185 mm |
| (60–70 kV) | 228.5 × 75 × 185 mm |
| Weight | 4.7–5.15 kg |
| Safety Protections | Overvoltage, overcurrent, arc detection, interlock-enabled shutdown |
| Brand | Wiseman |
|---|---|
| Output Voltage Range | 10–70 kV (selectable) |
| Output Power | 120 W |
| Input Voltage | 85–265 VAC, 47–63 Hz |
| Voltage Stability | ≤25 ppm/hr (after 2-hr warm-up) |
| Ripple | ≤1% RMS (>20 kHz), 0.1% RMS (≤20 kHz) |
| Temperature Coefficient | ≤25 ppm/°C |
| Filament Output | 0–5 A, 0–10 V (closed-loop controlled) |
| Control Interface | Analog 0–10 V + RS-232 |
| Protection | Overvoltage, Arc Detection, Short-Circuit, Interlock |
| Dimensions (10–50 kV) | 92 × 127 × 230 mm, 3.5 kg |
| Dimensions (60–70 kV) | 92 × 127 × 180 mm, 4.5 kg |
| Operating Temperature | 0–50 °C |
| Storage Temperature | −40–85 °C |
| Humidity | 20–85% RH (non-condensing) |
| Brand | Wisman |
|---|---|
| Origin | Shaanxi, China |
| Model | DA60P2 |
| Output | 0.5–100 kV DC, 2 kW |
| Ripple | 0.1% P-P + 1 Vrms |
| Stability | <100 ppm/h after 30-min warm-up |
| Temp. Coefficient | 100 ppm/°C |
| Control Interface | RS-232 (standard), RS-422 (optional) |
| Input | AC 220 V ±10%, 15 A |
| Dimensions (2 kW, ≤70 kV) | 132 mm H × 483 mm W × 483 mm D (3U 19″ rack) |
| (80–100 kV) | 132 mm H × 483 mm W × 610 mm D |
| Safety | Overvoltage, overcurrent, short-circuit, arc detection, overtemperature, interlock |
| Compliance | CE certified |