What payment methods are accepted?

We accept T/T and PayPal for payment.

Does the device have a USB interface for control?

Yes, it includes a USB Device interface for remote control and readback.

What is the display resolution for voltage and current?

The display offers 10mV resolution for voltage and 1mA resolution for current.

Series and Parallel Output Sk33231/33251 Programmable DC Power Supply

Name: Series and Parallel Output Sk33231/33251 Programmable DC Power Supply
Brand: Shijiazhuang Suin Instruments Co., Ltd.
SKU: 1910618992

Hebei, ChinaShijiazhuang Suin Instruments Co., Ltd.

US$240.00-286.00

1 SET

Sample price:US$240.00/set.Request sample

Product profile

Customization

Available

Warranty

18 Months

OEM/ODM Service

Yes

Model NO.

SK33231/33251

Transport Package

Carton Package

Specification

225*128*290mm/225*128*320mm

Trademark

Suin

Origin

China

HS Code

8543209090

Production Capacity

30000 Set/Year

Key features

Three Independent Outputs: Delivers up to 342W total power with simultaneous voltage, current, and power display.

OEM/ODM Service Available: Custom manufacturing services provided to meet specific client requirements.

18 Months Warranty: Comprehensive coverage for 18 months from the date of purchase.

Auto Serial/Parallel Switching: Automatically switches between series and parallel modes for flexible operation.

High Precision Regulation: Line and load regulation as low as 1x10^-4 + 2mV for stable power delivery.

USB Device Interface: Enables easy remote control and data readback via USB connection.

4-Digit LED Display: Clear simultaneous readout of voltage, current, and power values.

Switchable CH3 Output: Channel 3 supports 1.8V, 2.5V, 3.3V, and 5V switchable modes.

Company profile

Shijiazhuang Suin Instruments Co., Ltd.

Hebei, China

Business Type: Manufacturer/FactoryExport Year: 2008-09-02Nearest Port: Beijing, Tianjin, ShanghaiAverage Response Time: ≤2.08hTerms 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.