Why should you choose us over other suppliers?

As one of China's earliest electrode manufacturers, REX boasts exceptional quality, advanced technology, and a stellar reputation.

How about your service?

We offer comprehensive pre-, in-, and post-sales services. We value trust and long-term partnerships over one-time deals, ensuring your needs and satisfaction are our top priorities!

What payment methods do you accept?

Delivery Terms: FOB. Payment Currencies: USD, CNY. Payment Methods: T/T, Credit Card, Cash. Languages: English, Chinese.

Accurate pH-30 Pen-Type pH Meter for Water Testing

Name: Accurate pH-30 Pen-Type pH Meter for Water Testing
Brand: REX (Shanghai) Technology Co., Ltd.
SKU: 2277321725

Shanghai, ChinaREX (Shanghai) Technology Co., Ltd.

US$80.00

1-49 Pieces

US$75.00

50-99 Pieces

US$68.00

100+ Pieces

Sample price:US$80.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

1 Year

Model NO.

PH-30

Measuring Range

(-2.00~16.00)pH

Resolution Ratio

0.01pH

Indicating Error

±0.02pH

Material Quality

ABS

Measure The End Dimensions (mm)

φ 12 ×40

Transport Package

40×30×188 mm

Specification

0.15 kg

Trademark

REX

Origin

Shanghai, China

Production Capacity

2000 Piece/Per Year

Key features

IP67 Protection Rating: Dust and water resistant design ensures durability in harsh environments.

Replaceable Measuring End: Extends instrument service life by allowing easy replacement of the electrode.

Multi-Point Calibration: Supports 1 to 3 point calibration with automatic identification of GB and US buffers.

Automatic Temperature Compensation: Ensures accurate readings across a temperature range of 0.0 to 60.0 degrees Celsius.

Long Battery Life: Powered by 4 AAA batteries providing up to 200 hours of continuous operation.

High-Definition LCD Display: Features clear display with backlight adjustment and read-only locking modes.

OEM and ODM Services: Flexible customization options including full, minor, and design-based customization.

Comprehensive Warranty: Includes 1-year warranty coverage for mechanical defects and parts.

Company profile

Patents AwardedFast DeliveryLow MOQFlexible Customization

REX (Shanghai) Technology Co., Ltd.

Shanghai, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 9 years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤8.30h

AI-Powered supplier vetting

SummaryRex is identified as a professional technical supplier focused on electrochemical analysis instruments, sensors, and application solutions, with more than half a century of stated experience. It provides 3D design, customization, ODM, OEM, and SDK-related capabilities, and reports new product development during the past year. Quality processes include documented finished-product inspection, corrective and preventive action procedures, complaint-handling procedures, quality assurance, and raw-material traceability. Export activity is established, with 41%–50% of sales from exports and nine years of exporting experience. However, the available information indicates no valid manufacturing-capacity contract with affiliated subcontractors, no in-stock service, overseas warehouse, overseas showroom, overseas agents or branches, or offline trade-show participation. Environmental and fire-drill information is unavailable. No explicit certification information or named customer cases is provided.

Supplier typeThe supplier is explicitly identified as a professional technical supplier. Its stated business focuses on electrochemical analysis instruments, sensors, and application solutions, covering laboratory, online, and on-site testing.

After-Sales capabilityThe supplier has documented and followed procedures for customer complaints and corrective/preventive actions, plus written supplier-service assessment procedures. However, it reports no overseas agents or branches and no overseas service countries, limiting evidence of localized international after-sales coverage.

R&D capabilityThe supplier reports professional technical R&D capability, an available SDK, new products during the past year, ODM services, and OEM services for popular brands. Its stated long-term focus on electrochemical analysis and expanding product categories further supports technical innovation capability.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization, alongside 3D design, ODM, and OEM services. This is direct evidence of broad customization capability.

Product Q&A

Q:Can we schedule a company visit?

Located in Shanghai, China, we have diverse departments. Visit our factory by scheduling with customer service for an enriching experience!

Q:What is the minimum order quantity for your products?

No minimum order quantity. Sample orders available to check quality.

Q:Can customers create their own brand?

Yes! We offer ODM and OEM services tailored to your needs.

Q:What can you purchase from us?

We offer lab pH sensors, conductivity probes, dissolved oxygen sensors, ion-selective and reference sensors, online electrodes, lab testing gear, and large online monitoring instruments.

Q:How do you ensure quality?

Pre-production samples and final inspections. Electrodes pre-soaked for immediate use.