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Характеристики
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| Месяц | Минимальная цена | Макс. стоимость | Цена |
|---|---|---|---|
| Mar-20-2026 | 0.83 руб. | 0.82 руб. | 0 руб. |
| Feb-20-2026 | 0.96 руб. | 0.4 руб. | 0 руб. |
| Jan-20-2026 | 0.67 руб. | 0.25 руб. | 0 руб. |
| Dec-20-2025 | 0.89 руб. | 0.50 руб. | 0 руб. |
| Nov-20-2025 | 0.81 руб. | 0.72 руб. | 0 руб. |
| Oct-20-2025 | 0.93 руб. | 0.72 руб. | 0 руб. |
| Sep-20-2025 | 0.63 руб. | 0.67 руб. | 0 руб. |
| Aug-20-2025 | 0.73 руб. | 0.4 руб. | 0 руб. |
| Jul-20-2025 | 0.47 руб. | 0.81 руб. | 0 руб. |
Описание товара







Single output, 150 V/40 A/15 kHz, total power up to 200 W
Dynamic mode: up to 15 kHz
Adjustable current rising speed: 0.001 A/μs to 5 A/μs
Min. readback resolution: 0.1 mV,0.1 mA
4.3-inch TFT LCD, capable of displaying multiple parameters and states simultaneously
Over-voltage/over-current/overpower/over-temperature/reverse voltage protection
4 static modes: CC, CV, CR, CP
3 dynamic modes: continuous, pulsed, toggled
List function supports editing as many as 512 steps
Battery test function, OCP test, OPP test, factory test function, etc.
Short-circuit test function
Power-off memory function
Built-in RS232/USB/LAN communication interface
USB-GPIB module (optional)
Typical Applications
General-purpose testing in the R&D lab
DC power supply industry, such as regulated power supply, constant current power supply, switching mode power supply (SMPS), module power supply, power adapter, etc.
Battery industry, such as various batteries and cell batteries
Charger industry, such as battery charger and cell phone charger
Power electronic device industry, such as MOSFET, IGBT, capacitor, and ballast resistor
Teaching experiment
| Model: | DL3021 | DL3021A | DL3031 | DL3031A |
| Voltage: | 0~150 V | |||
| Current: | 0~40 A | 0~60 A | ||
| Maximum Power: | 200 W | 350 W | ||
| Minimum Operating Voltage (DC): | 40 A at 1 V | 40 A at 1 V | 60 A at 1.3 V | 60 A at 1.3 V |
| CC Mode | ||||
| Range: | 0~4 A | 0~40 A | 0~6 A | 0~60 A |
| Resolution: | 1 mA | |||
| Accuracy[1]: | ±(0.05%+0.05%FS[2]) | ±(0.05%+0.05%FS[2]) | ±(0.05%+0.05%FS) | ±(0.05%+0.05%FS) |
| Temperature Coefficient: | 100 ppm/°C | |||
| CV Mode | ||||
| Range: | 0~15 V | 0~150 V | 0~15 V | 0~150 V |
| Resolution: | 1 mA | 5 mA | 1 mA | 5 mA |
| Accuracy: | ±(0.05%+0.02%FS) | ±(0.05%+0.025%FS) | ±(0.05%+0.02%FS) | ±(0.05%+0.025%FS) |
| Temperature Coefficient: | 50 ppm/°C | |||
| CR Mode | ||||
| Range: | 0.08 Ω~15 Ω | 2 Ω~15 kΩ | 0.08 Ω~15 Ω | 2 Ω~15 kΩ |
| Resolution: | 2 mA/Vsense | |||
| Accuracy: | Vin/Rset*(0.2%)+0.2%IFS | |||
| CP Mode | ||||
| Range: | 0~200 W | 0~350 W | ||
| Resolution: | 100 mW | |||
| Con Mode | ||||
| Frequency Range: | 0.001 Hz~15 kHz | 0.001 Hz~30 kHz | 0.001 Hz~15 kHz | 0.001 Hz~30 kHz |
| Frequency Resolution: | 0.8% | |||
| Frequency Accuracy: | ±0.5% | |||
| Duty Cycle Range: | 5%~95%, 1% | |||
| Current Slew Rate[3] | ||||
| Range: |
0.001 A/μs~0.25 A/μs 0.001 A/μs~2.5 A/μs (>5 V)[5] |
0.001 A/μs~0.3 A/μs 0.001 A/μs~3 A/μs (>5 V) |
0.001 A/μs~0.25 A/μs 0.001 A/μs~2.5 A/μs (>5 V) |
0.001 A/μs~0.5 A/μs 0.001 A/μs~5 A/μs (>5 V) |
| Resolution[4]: | 0.001 A/μs | |||
| Accuracy: | 5%+10 μs | |||
| Readback Current | ||||
| Range: | 0~4 A | 0~40 A | 0~6 A | 0~60 A |
| Resolution: | 1 mA | 0.1 mA | 1 mA | 0.1 mA |
| Accuracy: | ±(0.05%+0.02%FS) | ±(0.05%+0.02%FS) | ±(0.05%+0.02%FS) | ±(0.05%+0.02%FS) |
| Temperature Coefficient: | 50 ppm/°C | |||
| Readback Voltage | ||||
| Range: | 0~150 V | |||
| Resolution: | 1 mV | |||
| Accuracy: | ±(0.05%+0.02%FS) | |||
| Temperature Coefficient: | 20 ppm/°C | |||
| Readback Resistance | ||||
| Range: | 0.08 Ω~15 kΩ | |||
| Resolution: | 2 mA/Vsense | |||
| Readback Power | ||||
| Range: | 0~200 W | 0~350 W | ||
| Resolution: | 100 mW | |||
| Stability[6] | ||||
| Current: | ±(0.01%±10 mA) | |||
| Voltage: | ±(0.01%±10 mV) | |||
| Protection Function: | Overcurrent protection (OCP), overvoltage protection (OVP), overpower protection (OPP), overtemperature protection (OTP), as well as local/remote reverse voltage (LRV/RRV) protection. | |||
| Input Resistance: | 350 kΩ | |||
| Mechanical | ||||
| Dimensions: | 239 mm(W) x 157 mm(H) x 442 mm(D) | |||
| Weight: | Net weight: 7.58 kg | |||
| Power | ||||
| AC Input (50 Hz~60 Hz): | 115 Vac±10%, 230 Vac±10% (max: 250 Vac) | |||
| Maximum Input Power: | <30 VA | |||
| Interface | ||||
| USB Device Interface: | 1 | |||
| USB Host Interface: | 1 | |||
| LAN Interface: | 1 | |||
| RS232: | 1 | |||
| Digital I/O: | 1 | |||
| USB-GPIB: | 1 (GPIB extended from the USB-GPIB interface module) | |||
| Environment | ||||
| Cooling Method: | Fan Cooled | |||
| Operating Temperature: | 0℃ ~40℃ | |||
| Storage Temperature: | -40℃ ~70℃ | |||
| Humidity: | 5%~80% RH | |||
| Altitude: |
Below 1,500m |
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H.Q.S
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