Field · Laboratory · Online

Professional Water Quality Testing & Monitoring Instruments

Portable multiparameter water analyzerLJ-B100
LJ-B100 Portable multiparameter water analyzer

Find instruments for COD, BOD, turbidity, pH, conductivity, dissolved oxygen, and multiparameter analysis. Built around the sample, method, and workflow your team uses.

Find your instrumentTalk to an engineer
01Field measurements02Laboratory analysis03Discuss your application

02 / Product finder

Start with what you need to measure.

Browse by parameter, testing environment, or sample type.

COD

COD & BOD Analyzers

Wastewater · Laboratory

NTU

Turbidity Meters

Portable · Benchtop · Online

pH

pH / ORP / Conductivity

Routine water analysis

O₂

Dissolved Oxygen

Aquaculture · Process

Cl

Disinfection Control

Chlorine · Ozone · UV

MULTI

Multiparameter Systems

One sample, multiple results

Compare all product families Not sure where to start? Ask an application engineer

03 / Selected instruments

Instruments built around the measurement.

Compare by parameter, workflow, and testing environment, not marketing labels.

View all instruments
LJ-UV90 UV-visible spectrophotometer
LJ-UV90Laboratory

UV-visible spectrophotometer

A laboratory instrument for UV-visible absorbance measurements. Review the optical method and sample preparation for your application.

UV-visible / Absorbance / Spectroscopy

View instrument

04 / Applications

Begin with the water. End with the right measurement.

Application guides connect the sample, measurement goal, and workflow to suitable instruments.

Industrial wastewater

What should we measure before discharge?

COD, ammonia nitrogen, total phosphorus, turbidity, and pH are common starting points. The final set depends on the process, sample matrix, required method, and local requirements.

Explore application solutions
CODNH₃-NTPTurbiditypH
01Drinking waterSafety and routine control02Industrial wastewaterDischarge and process03AquacultureOxygen and ecosystem04LaboratoriesRepeatable analysis

05 / Buyer confidence

Evidence before promises.

Review the method, specifications, and order process before you commit.

01 Define

Parameter · Range · Sample

02 Verify

Method · Datasheet · Sample test

03 Confirm

Configuration · Lead time · Packing

04 Support

Setup · Training · After-sales

Available before ordering

Technical datasheetMeasurement method noteSample test reportPacking and shipping checklist

Sample evaluation

Can you review our sample before purchase?

Share the sample type, target range, and required method. The application team will confirm a suitable evaluation path.

Send your requirements

06 / Practical answers

Questions buyers ask before choosing an instrument.

Direct answers help your team compare methods, configurations, and next steps.

01

What information should I provide for product selection?

Share the parameter, expected range, sample type, required method, testing frequency, quantity, and target region. This gives the application team enough context to review the configuration.

02

How should I compare water quality analyzers?

Compare the measurement method, usable range, sample workflow, throughput, data handling, reagent needs, and support scope before comparing price.

03

Can the configuration be reviewed before quotation?

Yes. Submit the model or parameter with your application details. The team will clarify compatibility and configuration assumptions before preparing the next step.

07 / Request a quote

Tell us about the water. We will help define the instrument.

Share the parameter, sample, and workflow. The application team will review the fit and reply with a practical next step.

01

Technical review

02

Clear configuration

03

No purchase commitment

Start your request

No purchase commitment is required.