The market is chaotic, competitors abound,

Pricing matters,

But quality and service matter more important.

These busy days have been fulfilling and rewarding.

Thank you to all our clients for your trust and support.

Everything is lovely, and mutual pursuit makes it even more wonderful. Grateful to have you.

When selecting SS (Suspended Solids) water quality analyzers, the manufacturer's capabilities directly determine product stability, detection accuracy, and after-sales service quality.

The following 4 key dimensions help you accurately screen reliable partners:​

1. Assess Independent R&D Capabilities (Core Screening Criterion)​

The core of SS water quality analyzers lies in optical detection technology, signal processing algorithms, and environmental adaptability design. Manufacturers lacking independent R&D capabilities often rely on assembling externally sourced core components, compromising product consistency and hindering their ability to address customized demands in complex operating conditions.​

Signs of an excellent manufacturer: Possesses a professional R&D team (cross-disciplinary talent in optics, electronics, software, water engineering, etc.), demonstrates technical iteration capability (updates algorithms per industry standards), and holds core technology patents (e.g., detection accuracy optimization, anti-interference design).

PROBEST Advantages: Specializing in optical water quality analysis, PROBEST has assembled a professional R&D team led by senior engineers. It possesses full-chain R&D capabilities spanning core sensor design, algorithm programming, and complete system integration. With multiple technical patents secured, PROBEST delivers customized detection solutions for complex water quality scenarios across diverse industries (municipal sewage, industrial wastewater, aquaculture, etc.).

2. Assess Product Reliability and Testing Standards

SS instruments are widely used in critical scenarios like environmental monitoring and industrial process control. Data accuracy and equipment stability directly impact decision-making and compliance. Substandard products can lead to inaccurate monitoring, frequent malfunctions, and increased operational costs.

Signs of an Excellent Manufacturer: - Implements a comprehensive quality control system - Subjects all products to 100% rigorous pre-shipment testing (e.g., precision calibration, high/low-temperature environmental testing, corrosion resistance testing) - Utilizes premium core materials and components - Possesses long-term operational stability validation data

PROBEST Advantage: Guided by the core principle of “reliable quality,” all SS water quality analyzers (including the flagship PSS-800 online suspended solids/sludge concentration sensor) undergo 100% factory quality inspection. Core components are sourced from premium industry suppliers, and the housing utilizes corrosion-resistant materials like SUS316L stainless steel. Each unit undergoes thousands of hours of continuous operation testing to ensure stable, precise data output in complex water environments. ​

3. Evaluate Technical Support and After-Sales Service Capabilities

Water quality monitoring scenarios are diverse, requiring professional guidance for instrument installation, commissioning, calibration, and ongoing maintenance. Manufacturers lacking comprehensive service support leave users stranded in a “no one to turn to after purchase” predicament.

Markers of an Excellent Manufacturer: Provides full-cycle services including 24/7 technical consultation, on-site installation and commissioning guidance, periodic calibration reminders, rapid repair response (e.g., expedited spare parts replenishment), and product usage training.

PROBEST Advantage: Established a dedicated after-sales technical team offering end-to-end support from selection consultation to installation, commissioning, and ongoing maintenance. Provides customized calibration solutions tailored to SS instrument applications. Maintains a spare parts inventory stocked with core components to ensure prompt fault response and minimize user downtime losses.

4. Evaluate Industry Reputation and Application Case Accumulation

Market validation serves as a crucial indicator of a manufacturer's capabilities. Products from reputable manufacturers undergo long-term usage verification by numerous industry-leading clients.

Signs of an Excellent Manufacturer: Possesses extensive industry application cases (e.g., municipal wastewater treatment plants, chemical enterprises, aquaculture bases), receives positive customer feedback and repeat purchases, and holds relevant industry certifications (e.g., ISO quality system certification, environmental product certification).

PROBEST Advantage: Leveraging independent R&D capabilities and reliable product quality, we have provided SS water quality analysis solutions to hundreds of clients nationwide. Our applications span municipal wastewater, industrial effluent treatment, power generation, aquaculture, and other sectors, earning consistent customer recognition. We hold ISO9001 quality system certification, with products compliant with relevant industry standards.

II. Summary

Selecting an outstanding SS water quality analyzer manufacturer hinges on four core elements: “Independent R&D + Reliable Quality + Comprehensive Service + Industry Validation.” As a professional optical water quality analyzer manufacturer, PROBEST centers its technology on a dedicated R&D team, ensures quality through 100% product inspection, and supports users with full-cycle service. Committed to delivering stable, precise, and durable SS water monitoring products, PROBEST stands as a trusted partner.

Q： When does the warranty period for the PROBEST PDS-300 Transparency Sensor Water Quality Analyzer begin? 
How should malfunctions be handled during the warranty period?
 

A: The warranty period commences from the date of shipment and lasts for no less than one year. During this period, non-human-induced malfunctions are covered by complimentary repair and replacement services. PROBEST maintains dedicated technical support and maintenance teams.

PROBEST strictly according to the following processes for each product produced by the company for quality control:

 

First， ISO whole process quality control system, 6S management system
 

1). Supply Chain Management

Implementation of supplier certification system

Dual-source supply strategy for key components

Raw material batch traceability system

 

2）Production process control

A[Incoming Material Inspection] --> B[Process Inspection] --> C[SPC for Key Workstation] --> D[Aging Test] --> E[Final Inspection OQC].

Establish quality gate control points (IQC/PQC/OQC)

CPK requirements for key processes

Implementation of “three inspection system” (self-inspection / mutual inspection / special inspection)

Laboratory Assurance

Regular calibration of testing equipment (MSA analysis)

Retain all test raw data in ERP series

All can be traced with SN

 

Second, certification and standards compliance

Mandatory certification: CE

Enterprise standards industry standards: ISO (water quality instruments)

 

Third, quality data visualization

Establish real-time quality Kanban:

 

Fourth, Continuous Improvement Mechanism

PDCA cycle

 

Fifth, Monthly quality analysis meeting

8D report response time ≤72 hours

Corrective action verification rate 100%

Customer participation in improvement

Establishment of customer quality committee

 

Sixth, Integrity safeguard measures

Welcome to the site random, sampling, monitoring

 

As an authoritative certification service organization, the Environmental Association is always committed to providing professional and comprehensive certification services for enterprises. The scope of its audit is not only limited to quality management system, but also covers a wide range of fields such as environmental management, occupational health and safety, information security, etc., aiming to assess the comprehensive strength and compliance of enterprises in an all-round way.

The strict audit by the Environmental Association further confirmed the reliability of PROBEST's factory in production management, quality control and compliance operation, especially in the field of research and development and production of water quality analyzers, PROBEST has shown excellent technical strength and rigorous production attitude, which fully reflects its professionalism as a high-quality production enterprise.