Powered by Made-in-China.com
Digital Control Sk33231/33251 Programmable DC Power Supply
US$240.00-286.00
1 SET
Sample price:US$240.00/set.Request sample
Product profile
Customization
AvailableWarranty
18 MonthsOEM/ODM Service
YesModel NO.
SK33231/SK33251Transport Package
Carton PackageSpecification
225*128*290mm/225*128*320mmTrademark
SuinOrigin
ChinaHS Code
8543209090Production Capacity
30000 Set/YearKey features
Triple Channel Design: Features CH1, CH2, and CH3 with max power up to 342W and simultaneous display.
Easy Operation Interface: Less buttons design with 4-digit LED display showing voltage, current, and power.
OEM/ODM Service: Supports customized manufacturing services for specific client requirements.
Versatile Connectivity: Includes USB charging interface (5V 1A) and USB device remote interface.
Flexible Power Modes: Supports auto switch of serial and parallel connections for varied applications.
Compact & Portable: Dimensions 225*128*290mm with weight around 8-9KGs for easy handling.
Wide Input Range: Rated voltage 220-230V (198-242V) and frequency 50/60Hz for global use.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2008-09-02Nearest Port: Beijing, Tianjin, ShanghaiAverage Response Time: ≤4.85hTerms of Payment: T/T, PayPalInternational Commercial Terms(Incoterms): FOB, CFR, CIF, CIP, CPT, FCA, EXW
AI-Powered supplier vetting
SummaryShijiazhuang Suin Instruments Co., Ltd. is a China-based manufacturer of test and measurement instruments, operating since 1990 with 95 employees and a stated manufacturing area of approximately 11,000–12,000 square meters. The supplier reports ISO9001 certification, CE and RoHS approvals for most products, two production lines, annual capacity of up to 30,000 sets, and lead times within 15 working days in both peak and off-peak periods. Its product range includes signal generators, spectrum analyzers, programmable power supplies, digital multimeters, power quality analyzers, and related testing systems. Evidence indicates established R&D and engineering resources, export capability, and recognized technical centers. However, the provided information does not substantiate specific after-sales performance, customer cases, financial strength, or completed customization projects.
Supplier typeThe supplier is explicitly identified as a manufacturer and limited company based in Hebei, China. Its stated business scope and product listings cover test and measurement instruments, electrical products, software, and related systems.
CertificationsThe supplier reports an ISO9001:2015 management-system certificate, while its description also states ISO9001:2000 certification and CE and RoHS approval for most products. This provides explicit evidence of quality-system certification and product compliance coverage, although the slices do not identify which specific products hold each approval.
R&D capabilityThe supplier explicitly conducts R&D and has received recognition including high-tech enterprise status, industrial design centers, an academician workstation, and an engineering research center. It also reports 25 years of R&D engineer experience and an electronics-instrument technical center, providing strong evidence of established innovation resources.
Production capacityThe supplier reports an approximately 11,000–12,000 square meter operating or manufacturing area, an SMT production line, two production lines, annual capacity of up to 30,000 sets, and order lead times within 15 working days in both peak and off-peak seasons. These stated facilities, capacity, and lead-time data support a positive assessment of production capability.
Product Q&A
Q:What are the output specifications for CH1 and CH2?
A:
CH1 and CH2 both support 0~32V/0~3.2A for the SK33231 model and 0~32V/0~5.1A for the SK33251 model.
Q:Does the power supply support customization?
A:
Yes, OEM and ODM services are available for this product.
Q:What is the warranty period for this device?
A:
The product comes with an 18-month warranty.
Q:How does the display show power information?
A:
The 4-digit LED display can show voltage, current, and power simultaneously.
Q:What payment methods are accepted?
A:
We accept T/T and PayPal as terms of payment.
Send Inquiry
*To:
Shijiazhuang Suin Instruments Co., Ltd.
Shijiazhuang Suin Instruments Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
4 Digit LED Display Sk33231/33251 Programmable DC Power Supply
US$260.00-309.00
1 SET(MOQ)
Series and Parallel Output Sk33231/33251 Programmable DC Power Supply
US$240.00-286.00
1 SET(MOQ)
Switching DC Power Supply Fully Digital Control with Stable Output for Long-Term Laboratory Testing
US$275.00-420.00
10 Pieces(MOQ)
4 Digit LED Display Bench Type Three Channels Sk33231/33251 Programmable DC Power Supply
US$260.00-309.00
1 SET(MOQ)
Sk33231/33251 Programmable DC Power Supply
US$240.00-286.00
1 SET(MOQ)
Rigol Dp831 Dp831A Dp800 Series Programmable DC Power Supply
US$600.00
1 Piece(MOQ)
Rigol Dp932A Dp932e Dp932u Programmable DC Power Supply
US$850.00
1 Piece(MOQ)
Rigol Dp711 Dp712 Programmable DC Power Supply
US$450.00
1 Piece(MOQ)
Keithley 2306 2303 Battery Analog DC Power Supply Programmable Power Supply
US$100,000.00
1 Piece(MOQ)
Itech It6720 60 V 5 a Programmable DC Power Supply
US$360.00
1 Piece(MOQ)
HVHIPOT GDGK-501 Single Phase Power Supply for Circuit Breakers or Other Switches
US$705.00-1,120.00
1 Piece(MOQ)
GDSY-3kVA/40kV 3kVA 40kV Three Phase AC Power Supply
US$8,800.00-10,000.00
1 Piece(MOQ)
Genuine New MW-Rohde&Schwarz Ngp804 DC Power Supply Factory Wholesale Price
US$6,574.50-7,736.47
2 Sets(MOQ)
Rohde & Schwarz Nge100b Power Supply Series
Negotiable
1 Piece(MOQ)
HVHIPOT Three-phase AC Power Supply GDSY-18-600
US$4,000.00-10,000.00
1 Piece(MOQ)
Psa5000A Benchtop Signal and Spectrum Analyzers
US$300.00-6,000.00
1 Piece(MOQ)
R&S Fsl18 Spectrum Analyzer Frequency Range 9 kHz to 18 GHz
US$99,999.00
1 Set(MOQ)



















