Microtox water analyzer servicing and repair.
Rematek keeps your Microtox water analyzers accurate, calibrated, and in service — factory-level repair, calibration, and parts for the Microtox Model 500, LX, and FX, plus Deltatox I & II analyzers and RPA I & II fluorimeters, all from an authorized Modern Water service representative with 30+ years on the platform.
Authorized Modern Water service representative for 30+ years — Fallbrook, CA
What Rematek does for your Microtox analyzer
Every Microtox water analyzer is diagnosed, repaired, and calibrated by an authorized Modern Water service representative with three decades of hands-on experience on the platform — so your acute-toxicity data stays accurate and defensible.
Diagnostics & repair
Component-level fault diagnosis and repair across the Microtox line — optics, photomultiplier, electronics, temperature control, and control systems — restoring dependable, factory-level operation.
Cleaning & calibration
Full cleaning, calibration, and performance verification with NIST-traceable calibration and a signed Certification of Quality, keeping results within ISO 11348-3, DIN 38412, ASTM D5660, and WET tolerances.
Parts & ongoing support
Replacement parts and direct support to keep your Microtox analyzer running for years — including legacy units the original factory channel no longer supports.
Specialized service for every instrument
Rematek is a contract manufacturing and servicing specialist for environmental water-testing technologies. These are the instruments we keep running.
Microtox Model 500
Full diagnostics, repair, and calibration for the benchtop M500 acute toxicity analyzer.
View service →
Microtox LX
Certified cleaning, calibration, and repair for the current-generation benchtop Microtox LX lab analyzer.
View service →
Microtox FX
Cleaning, calibration, and repair for the portable Microtox FX toxicity and ATP analyzer.
View service →
Deltatox I & II
Service and repair for the portable Deltatox field toxicity analyzers, ready for the next deployment.
View service →
RPA I & II Fluorimeters
Expert servicing of RPAI and RPAII fluorimeters to keep your fluorescence readings precise.
View service →How Rematek keeps you running
A straightforward, accountable process built around minimizing your instrument downtime.
Send it in or call
Tell us the instrument and the symptoms. Rematek assesses the fault and the work it needs before anything begins.
Repair & calibrate
Repairs and calibration are performed by an authorized service representative with three decades of hands-on experience.
Tested & returned
Every instrument is verified for precision and reliability before it goes back to your lab, ready to test.
Microtox service & repair pricing
Straightforward rates from an authorized service representative, quoted before any work begins. Cleaning & calibration is a flat rate per instrument; repair is billed hourly.
Component-level diagnosis and repair across the Microtox, Deltatox, and RPA platforms.
First hour covers handling and troubleshooting and is non-refundable — but it rolls into the repair if you proceed. Any parts required are additional.
Flat-rate cleaning, calibration, and performance verification for the benchtop Microtox Model 500 and LX analyzers.
Includes certification documentation and most required repairs. Any parts required are additional.
Flat-rate cleaning, calibration, and verification for the portable Microtox FX and Deltatox I & II analyzers.
Includes certification documentation and most required repairs. Any parts required are additional.
Flat-rate cleaning, calibration, and verification for RPA I & II fluorimeters.
Includes certification documentation and most required repairs. Any parts required are additional.
- Turnaround
- 72 hours — fast turnaround is a priority, barring unforeseen issues, which are rare.
- Return shipping
- Your instrument is returned on Rematek's FedEx account, with the shipping cost added to your invoice — unless you'd prefer it returned via your own FedEx account or shipping method.
Cleaning & calibration ships with a Certification of Quality.
A certified cleaning and calibration comes back with a signed Certification of Quality — your formal report and proof of service. It declares the unit meets or exceeds its original design and test parameters, and documents the standards and functional checks behind that result. A repair-only job is different: if you simply need the instrument diagnosed and running again, that's exactly what we do — no calibration certificate is issued.
- Calibration traceability
- NIST-traceable standards
- Electromagnetic compatibility
- EMC Directive 89/336/EEC
- Electrical safety
- Low Voltage Directive 73/23/EEC
All measuring instruments are calibrated by industrially accepted methods with accuracies traceable to NIST. Hard copies of calibration and test records are kept perpetually and are available on request.
What's tested and documented
- Cool block temperature
- Reagent block temperature
- Computer communication
- Mode differentiation
- Photomultiplier light response
- Read and set functions
- Full functionality
Weighing a refurbisher or third-party repair?
See how a factory-authorized Modern Water representative differs from general equipment brokers — and where each option fits.
Microtox service & repair questions
- Who repairs and services Microtox water analyzers?
- Rematek, LLC repairs, services, and calibrates the full Microtox line — the Microtox Model 500, Microtox LX, and Microtox FX — along with Deltatox I & II analyzers and RPA I & II fluorimeters. Rematek is an authorized Modern Water service representative with over 30 years on the Microtox platform, working on these instruments directly from Fallbrook, California.
- What's the difference between repair and cleaning & calibration?
- Repair is component-level diagnosis and fault correction billed hourly. Cleaning & calibration is a flat-rate service that restores measurement accuracy and includes a signed Certification of Quality, a calibration report, and ISO documentation. Repair-only jobs do not include a certificate; cleaning & calibration does.
- Can you still service older or discontinued Microtox analyzers?
- Yes. Rematek services in- and out-of-warranty units across the Microtox line, including legacy instruments and models the original factory channel has discontinued for cleaning and calibration. A large global installed base of Microtox analyzers still needs a certified service path, and Rematek provides it.
- How fast is turnaround on a Microtox repair?
- Typical turnaround is about 72 hours once your instrument is on the bench. Fast turnaround is a priority, barring unforeseen issues, which are rare. Instruments are returned on Rematek's FedEx account with shipping added to your invoice, or via your own carrier if you prefer.
- How do I request service for my Microtox analyzer?
- Contact Rematek with your instrument model and the symptoms you're seeing. Rematek assesses the fault and the work required, then sends a formal quote before any service begins.
“Modern Water is pleased to announce it has appointed Rematek, LLC as an authorized service representative for its Microtox M500 and Deltatox acute toxicity analyzers.”
Rematek is a contract manufacturing specialist for environmental science technologies in Fallbrook, CA. Mark Woodward, the owner and operator of Rematek, has been an authorized service representative for over 30 years.
Ready to get your analyzer serviced?
Tell us what you're running and what it needs. Rematek will get it back to peak precision.
Request Service