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Holland sensor

KNOW YOUR METALS IN WATER WITHIN MINUTES

Mizu® measures dissolved metals on site, so you can act on a peak, a filter breakthrough or a release decision without waiting for the lab.

  • Built on patented Boron-Doped Diamond sensing. One platform, validated metal by metal.

    • SEE PEAKS BETWEEN LAB SAMPLES

      A metal peak or filter breakthrough can pass unnoticed between two lab samples. Mizu gives a result on site within minutes, in time to act before the next step.

    • DECIDE WITHOUT WAITING FOR THE LAB

      When discharge, reuse or release waits for a lab result, time and money are lost. Measure on site and make the call while the water is still in your process.

    • AVOID THE COST OF LATE DISCOVERY

      Finding metals too late means rejects, lost metal, extra treatment or an exceedance. Earlier insight lets you adjust rinsing, treatment or recovery in time.

    WHAT YOU GAIN WITH MIZU

    Built on the Holland Sensor platform and patented BDD sensing.

    • Start with one metal, add more later. Mizu is configured per metal and water type. New validated metals are added by software update, not by replacing hardware.

    • Results within minutes, where you need them. Measure at the point where the decision is made. A result takes about 2 to 6 minutes, depending on the metal.

    • A result corrected for your water. A second measurement step corrects for most matrix interference, so the result reflects the metal in your water.

    • Sensitive enough to catch a peak. Detects metals at ppb level, with detection limits per metal in our specifications.

    • Every result documented. Results are validated, stored with date and location, and ready for reporting and trend analysis.

    • Fewer interruptions, less maintenance. The diamond sensor surface is chemically stable and fouls less than conventional electrode materials, so you measure more and clean less.

    LET’S MAKE METALS IN WATER VISIBLE

    Mizu® is in development with first partners. Whether you have a metal question about your water, want to build with us or are interested in backing the technology, we would like to talk.

    Mizu®

    Real-Time Metal Monitoring, Built on a Scalable Platform


    1. TAKE A SAMPLE

    With Mizu®Flex, simply collect a water sample. Mizu®Fix is designed for fully automated inline sampling.

    2. MEASURE
    The sensor performs two measurements: one to determine the metal concentration and a second reference measurement to ensure accuracy.

    3. GET RESULTS
    Within minutes, results are automatically uploaded to the cloud, ready to view and analyse anytime, anywhere.

    Product

    THE HOLLAND SENSOR PLATFORM ENABLES APPLICATION-SPECIFIC METAL MONITORING ACROSS INDUSTRIES.

    From portable on-site measurements with Mizu®Flex to automated inline monitoring with Mizu®Fix. One scalable platform, designed for diverse industrial applications.

    Paper & Packaging

    Key metals: Copper (Cu), Nickel (Ni)

    Problem: Metal peaks in wastewater can go unnoticed between periodic lab tests, increasing compliance risks.

    Mizu® solution: On-site measurements provide faster insight, enabling timely treatment adjustments.

    Metal & Electro

    Key metals: Zinc (Zn), Chromium (Cr)

    Problem: Undetected metal peaks in rinse water can cause product defects, metal loss and additional treatment costs.

    Mizu® solution: Rapid measurements help operators adjust rinsing and treatment before problems escalate.

    Chemical & Polymer Industry

    Key metals: Zinc (Zn)

    Problem: Delayed metal analysis can slow process decisions and increase wastewater treatment costs.

    Mizu® solution: On-site measurements provide faster insights to support process control and water reuse decisions.

    Semiconductor & electronics 

    Key metals: Copper (Cu), Nickel (Ni)

    Problem: Complex metal analysis can require extensive maintenance, causing delays and additional monitoring costs.

    Mizu® solution: Rapid on-site measurements could simplify metal monitoring and reduce dependence on laboratory analysis.

    COPPER & SILVER IONISATION

    Key metals: Copper (Cu), Silver (Ag)

    Problem: Delayed Cu/Ag measurements can complicate system adjustments and increase sampling and service costs.

    Mizu® solution: Fast, precise measurements support efficient system optimisation and controlled ion dosing.

    INDUSTRIAL SCRUBBER WATER

    Key metals: Mercury (Hg), Cadmium (Cd), Lead (Pb)

    Problem: Fluctuating metal concentrations can create compliance risks and increase wastewater treatment costs.

    Mizu® solution: Faster metal measurements help operators respond earlier and optimise water treatment.

    Unmatched precision with Boron Doped Diamond (BDD) Technology

    At the core of the Holland Sensor Water Sensing Platform lies our Boron-Doped Diamond (BDD) technology.

    This chemically robust and electrically conductive material enables stable, low-ppb metal detection in complex water matrices where conventional sensors struggle.

    BDD’s exceptional chemical stability and resistance to fouling make it particularly suited for industrial and challenging water environments — delivering laboratory-grade performance directly at the point of measurement.

    Technology

    About us

    Driven by Technology. United by Purpose.

    Holland Sensor is powered by a passionate team of engineers, scientists and industry professionals committed to redefining how metals in water are monitored. We combine deep expertise in electrochemistry, industrial processes and product development to translate advanced Boron-Doped Diamond (BDD) technology into reliable, real-world solutions.

    What sets us apart is not only our technology, but our mindset. We believe breakthrough innovation must be engineered with discipline, validated in practice and built for long-term impact. Together, we work to turn scientific potential into scalable monitoring solutions that industries and water professionals can trust.

    Driven by curiosity, collaboration and a shared mission, we are building the next generation of real-time water sensing — one validated application at a time.

    About us

    Our Mission

    Utilizing advanced technology and data to provide actionable insights for better decision-making in water quality management. Sustainable, easier, can be operated by anyone at a fraction of the costs.

    Our vision

    A future where metals in water are continuously monitored, enabling safer operations, smarter decisions and more sustainable water management.