What are the lead times for orders during peak and off-peak seasons?

During peak season, the lead time is one month. During off-peak season, it is within 15 working days.

What payment methods are accepted?

We accept T/T and PayPal as terms of payment.

What is the maximum power output of this device?

The maximum power output is up to 342W.

New Products! Three Outputs Linear Adjust Sk33231/33251 Programmable DC Power Supply

Name: New Products! Three Outputs Linear Adjust Sk33231/33251 Programmable DC Power Supply
Brand: Shijiazhuang Suin Instruments Co., Ltd.
SKU: 772243192

Hebei, ChinaShijiazhuang Suin Instruments Co., Ltd.

US$260.00-309.00

1 SET

Sample price:US$260.00/set.Request sample

Product profile

Customization

Available

Warranty

18 Months

OEM/ODM Service

Yes

Model NO.

Sk33231/33251

Channels

Three

Max Power

342W

Display

LED

Display Digits

Auto Switch of Serial and Parallel

Yes

Display Voltage Resolution

10mv

Display Current Resolution

1mA

Voltage/Current

32V/3.2A, 32V/5.1A

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 Output Channels: Features three independent outputs with simultaneous voltage, current, and power display.

High Precision Display: 4-digit LED display with 10mV voltage and 1mA current resolution for accurate readings.

OEM/ODM Service: Custom manufacturing services available for tailored product requirements.

Auto Serial/Parallel Switch: Automatically switches between serial and parallel modes for flexible operation.

Wide Voltage Range: Output voltage ranges from 0 to 32V with switchable low voltage options for CH3.

USB Charging Interface: Built-in 5V 1A USB charging interface for convenient device charging.

18 Months Warranty: Comprehensive 18-month warranty coverage for product reliability assurance.

Company profile

Shijiazhuang Suin Instruments Co., Ltd.

Hebei, China

Business Type: Manufacturer/FactoryExport Year: 2008-09-02Nearest Port: Beijing, Tianjin, ShanghaiAverage Response Time: ≤1.59hTerms 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 the SK33231 and SK33251 models?

Both models offer three channels. CH1 and CH2 range from 0-32V/0-3.2A or 0-5.1A. CH3 supports switchable voltages of 1.8V, 2.5V, 3.3V, or 5V with a max current of 3.2A.

Q:Does this power supply support OEM or ODM customization?

Yes, OEM and ODM services are available to meet specific customization needs.

Q:What is the warranty period for this product?

The product comes with an 18-month warranty.

Q:Can the power supply switch between serial and parallel modes automatically?

Yes, it features an auto switch function for serial and parallel connections.

Q:What is the display resolution for voltage and current?

The 4-digit LED display provides a voltage resolution of 10mV and a current resolution of 1mA.