What certificates do you have?

ISO9000, CE, Explosion-proof certification, RoHs ready. And before the delievry of goods, quality and safety inspection certification issued by third parts also can be offered.

Could I visit your factory?

Very welcome! Fly to Xian Yang air port. It was a big pleasure for us.

What's your warranty terms?

We offer 12 months warranty time.

Can you provide OEM & Customized service?

Yes, OEM and ODM are both available, we have the professional R&D dept which can provide professional solutions for you.

Ultimate 7 in 1 Waterproof Digital pH and TDS Meter

Name: Ultimate 7 in 1 Waterproof Digital pH and TDS Meter
Brand: Xi'an Yunyi Instrument Co., Ltd.
SKU: 2195030055

Shaanxi, ChinaXi'an Yunyi Instrument Co., Ltd.

US$2.78

200-999 pieces

US$2.23

1,000+ pieces

Product profile

Customization

Available

After-sales Service

1year

Warranty

1year

Display

Digital

Portable

Appliance

Medical Research, Biochemistry

Certification

ISO9001, RoHS, CE, FCC

Calibration Method

3 Points Automatic Calibration

Measuring pH Range

0.0-14.0pH

Ype

pH Meter

Material

Plastic

Size

132mm

Brand Name

Yunyi

Product Name

Digital Online Pen pH Meter

Shipping Weight

240g

Single Gross Weight

0.800kg

Product Size

188*38*38mm

Operating Temperature

0~80c

Key features

3-Point Automatic Calibration: Ensures high accuracy with 0.01 resolution for precise pH and TDS measurements.

1-Year Comprehensive Warranty: Covers free replacement for new units in case of non-human damage factors.

OEM and ODM Services: Professional R&D department provides custom solutions for branding and design.

ISO9001 and CE Certified: Meets international quality and safety standards with third-party inspection available.

Portable Digital Design: Compact 188*38*38mm size with LCD display and back light for easy field use.

Sample Orders Available: Samples provided for quality check and market testing (buyer pays express cost).

Fast Production and Delivery: Production starts immediately upon confirmation; 3-5 days for small orders.

Company profile

Xi'an Yunyi Instrument Co., Ltd.

Shaanxi, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 13 Years CertifiedNearest Port: Guangshou Port, Shanghai Port, Shenzhen Port, Khorgos PortAverage Response Time: ≤6.88h

AI-Powered supplier vetting

SummaryThe supplier is a limited trading company in the manufacturing industry with affiliated companies and five production lines. It reports valid manufacturing-capacity contracts with associated subcontractors, in-stock capability, outsourcing procedures, and service procedures for supplier assessment, corrective actions, and complaint handling. It supports extensive customization, has introduced new products during the past year, and provides OEM services for recognized brands. Reported lead times are within 15 workdays in both peak and off-season, with 30 qualified service suppliers and multiple quotation and payment options. However, it has no overseas warehouse, showroom, agents, branches, or overseas service coverage, does not provide ODM services, has no SDK, and has no internationally recognized design awards. Continuous quantity reconciliation is not performed, while fire-drill and environmental-assessment status is unknown. Customer-case evidence is limited to OEM service for recognized brands and...

Supplier typeThe supplier is identified as a limited company whose company type is a trading company, operating in the manufacturing industry and associated with other companies. Its product scope covers pressure, flow, level, and calibration instruments.

After-Sales capabilityThe supplier has written procedures and records for service-capability assessment, corrective and preventive actions, and customer complaints. It also reports in-stock capability, lead times within 15 workdays in both seasons, and participation in a named overseas trade show, but has no overseas warehouse, showroom, agents, branches, or overseas service coverage.

R&D capabilityThe supplier reports new products during the past year and offers multiple forms of customization, including full customization. However, it provides no ODM service, has no available SDK, and reports zero internationally recognized design awards; the evidence supports product-development activity but not strong independent innovation credentials.

Production capacityThe supplier reports five production lines, valid manufacturing-capacity contracts with each associated subcontractor, an outsourcing SOP, in-stock capability, 30 qualified service suppliers, and lead times within 15 workdays year-round. A stated weakness is that the factory does not continuously reconcile quantities for every batch or mass-production run.

Customization capabilityThe supplier explicitly supports customization from samples and designs, flexible and minor customization, and full customization. It also reports product R&D activity through new products introduced in the past year, although ODM service is unavailable.

Client casesThe supplier states that it provides OEM services for recognized brands and records participation in the Vietnam Industrial Control, Automation and Equipment Exhibition. No specific customer names, project outcomes, order references, or broader case details are provided, so the evidence of customer experience is limited.

Product Q&A

Q:How long will you reply me?

We will contact you as soon as possible but within 12 hours

Q:Can I get some samples?

Yes, Sample order is available for quality check and market test. But you have to pay the express cost.

Q:How soon can you arrange your production?

Once getting your product confirmation and receiving the prepayment, the production will be started immediately.

Q:What's delivery time?

It usually takes about 3-5 working days for small order and 10-15 days for big order.

Q:How do you control your quality?

Three inspection steps(of original, production, and finished goods) + good warranty service(1 year free to change a new one without any human damage factors).