Features:
- Premium quality and affordable price 
- Single output, high precision, high reliability with low ripple and noise 
- 3-Digit LED digital screen displays voltage and current values 
- Designed with coarse and fine knobs to adjust the voltage and the current, which can help you control the current and voltage accurately 
- Constant voltage and constant current operation mode which can be automatically converted 
- With current limiting protection 

Applications:
- For teaching, experiments, researches 
- For testing aging products 
- For the repair of communication equipment 
- Other occasions where a DC regulated power supply is needed 

Technical Parameters:
- Model Number: PS-305D
- Input Voltage: AC 220V/110V ±10%, 50Hz/60Hz 
- Output Voltage: 0-30V
- Output Current: 0-5A
- Operating Temperature: -10℃ to 4℃,Humidity<90% RH
- Storage Condition: -10℃ to 70℃,Humidity<80% RH
- Product Size: 270 x 128 x 145mm 
- Weight: approx. 5kg 

Constant Voltage Status:
- Voltage Stability: ≤0.01% + 3mV
- Load Stability: ≤0.01% + 5mV
- Recovery Time: ≤100μs
- Ripple Noise: ≤ 1mVRMS  
- Temperature Coefficient: ≤300PPM/℃

Constant Current Status:
- Current Stability: ≤0.2% + 3mA
- Load Stability: ≤0.2% + 3mA
- Ripple noise: ≤3mARMS

Package Included:
- 1 x DC Power Supply 
- 1 x Power Cable 
- 1 x User Manual 

Package: Normally we use the standard exporting packaging. We also can according to clients' request .

 Shipping : 

1. By Couriers: DHL, UPS, FEDEX, TNT are the main courier  we are co-operating at present.

2. By Air: Delivery from the Shanghai airport to customers’ destination city air port.

3. By Sea: Delivery from the Shanghai sea port .

Q1. Can I have a sample order?

A: Yes, we welcome sample order to test and check quality.

Q2. What about the lead time?

A: Samples arrived often need 3-5 days.

Q3. Do you have any MOQ (minimum order quality)limit?

A: Low MOQ, 1pc for sample checking is available.

Q4. How do you ship the goods and how long does it take to arrive?

A: We often ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping is also optional.

Q5. How to proceed an order?

A: Initially, let us know your requirements or application. Besides, We quote according to your requirements or our suggestions. Thirdly, customers confirms the samples and places deposit for formal order. Finally, We arrange the production.

Q6. Is it acceptable to print my logo on the product?

A: Yes. Please inform us formally before our product and confirm the design firstly based on our sample.

Q7: Do you offer guarantee for the products?

A: Yes, we offer one-year warranty for our products.

Q8: How to deal with the flaw?

A: Our products are produced in strict quality control system and the percent of pass is often maintained over 99.8%

Please do not hesitate to contact me if you need any further information

Whatsapp/Tel/Wechat: 8619902906050

Web: 

Address: 5H,Buidling B,Yueshang Center, Longhua Area,Shenzhen,

               China (Mainland)