







Lovibond MD150 Chlorine, Bromine, pH, CyA, TA & Calcium Photometer - Tablet Reagents
Parameter Range:
- Chlorine (free, total, comb.) 0.02 – 6 mg/L Cl2
- Chlorine (free, total, comb.) 0.02 – 4 mg/L Cl2
- Chlorine HR 0.1 – 10 mg/L Cl2
- Chlorine 0.02 – 2 mg/L Cl2
- Chlorine HR 0.1 – 10 mg/L Cl2
- Bromine 0.05 – 13.5 mg/L Br2
- pH 6.5 – 8.4
- pH 6.5 – 8.4
- Cyanuric acid HR 10 – 200 mg/L CyA
- Alkalinity (total) 5 – 300 mg/L CaCO3
- Acid capacity 0.1 – 4.0 mmol/L KS4.3
- Calcium hardness 5 – 500 mg/L CaCO3
Key Features:
- Optimised for pool water control
- Enhanced efficiency and flexibility
- Effortless operation & precision
- Versatile capabilities
- Durable and built to last
- Instant data management
Results are accurate and standards adhere to quality specifications.
The Lovibond MD150 Photometers offer ease-of-use, accurate measurements of parameters in water samples and reliability.
With its intuitive interface, the MD150 offers straightforward operation, reducing the need for complex setup procedures. The photometers offer a broad measurement range, making it ideal for use in various water systems, including pool & spa maintenance, environmental monitoring and industrial water treatment.
Its compact and portable design allows for both field and laboratory use, and its automatic calibration and memory features ensure a consistent performance. The Lovibond MD150 Photometers provide clear digital readouts and save valuable time.
Whether you're testing drinking water, wastewater or swimming pools, the MD150 Photometers are the reliable choice for maintaining safe and optimal water conditions.
The MD150 has several key features that make it a favourite among users.
- Multiparameter combinations
The MD150 provides essential parameters for pool water monitoring and disinfection control, including Chlorine, Bromine, Ozone, Chlorine Dioxide, pH, Cyanuric Acid, Alkalinity, and Calcium Hardness.
- Factory programmed methods
The MD150 comes with pre-programmed methods for pool and various other applications, ready to use out of the box.
- Flexible reagent options: compatible with tablets, powder or liquid
Compatible with various reagent types, simply select your preferred reagent in the settings, and the method list will display only the relevant options.
- Built for durability
The MD150 features a durable design with rubber-protected sides ensuring reliability even in demanding environments. With its IP67 rating, the instrument offers full protection against dust and water immersion.
- Ergonomic design
The MD150 is a compact, handheld instrument ideal for the use of the poolside, in the fi eld, or in the lab. Its compact size and side protections ensure a fi rm grip, while rubber feet prevent slipping, enabling for single-handed operation.
- Quick and accurate results
The innovative optical system of the MD150 provides exceptional accuracy and fast results, delivering precise measurements in record time.
- One-Time-Zero function
Save operation time with the One-Time-Zero function, which remains valid for 8 hours unless the instrument is turned off
- Data transfer – NFC / USB-C
Easily transfer data wirelessly via NFC to the AquaLX® app or via USB-C cable to Lovibond® Data Expert. Data can be exported in CSV format for use in programs like Excel.
- GLP (Good Laboratory Practice) compliance
The MD150 automatically records and saves a protocol for every change, ensuring data quality and integrity by tracking any adjustments that could impact measurement results.
- Automatic data storage
The MD150 automatically stores the last 100 readings and protocols with a time/date stamp and retains the data even during battery changes.
- Keep your instrument up to date
Easily update the firmware and methods in seconds using Lovibond® Data Expert. Updates are available on the instrument’s webpage.
- User defined method
With the free of charge Lovibond® Data Expert, you can create custom methods.
Technical Data
Optics | LED, spectrometer sensor, interference filter (only MD50 selected variants) |
Light Source | LED |
Wavelength | Variant specific (415, 445, 480, 515, 530, 555, 590, 630, 680) |
Photometric Range | 0 - 3 Abs |
Suitable Vials | Round Cuvettes 13 mm Round Cuvettes 16 mm Round Cuvettes 24 mm |
Display | Backlit LCD |
Interfaces | USB-C NFC (Near Field Communication) |
Data Transfer Format | .csv |
Operation | Foil keypad |
Auto – OFF | Yes |
Programmability | yes with Lovibond Data Expert software |
Calibration | Factory and user adjustment - return to factory adjustment possible at any time |
Updates | Firmware and methods update |
Internal Storage | Internal ring memory for 100 data records |
Battery Life Time | approx. 5000 measurements (without backlight) |
Portability | Portable |
Degree of Pollution | 2 |
Maximum altitude above sea level | 3500 m |
Environmental Conditions | 5 - 50 °C at a relative humidity of 30 - 95 % (non-condensing) |
Protection Class | IP 67 |
Compliance | CE |
Languages Full User Manual | English, German, Spanish, French, Portuguese, Italian, Dutch, Turkish, Russian, Chinese |
Dimensions | 155 x 76 x 45 mm |
Weight | 247 g |
Delivery Content:
- 1 Instrument in Carrying case
- 100 tablet reagents DPD No.1
- 100 tablet reagents DPD No.3 Evo
- 100 tablet reagents Phenol Red Photometer
- 100 tablet reagents CyA HR-Test
- 100 tablet reagents Alka-M Photometer
- 50 tablet reagents Calcio-H No.1
- 50 tablet reagents Calcio-H No.2
- 2 batteries (AA)
- 3 round cuvettes (glass) with lid and Sealing rings
- 1 Screwdriver
- 3 Stirring rods
- 1 Syringe 10 mL
- 1 Cleaning brush
- 1 USB-C to USB-A cable
- 1 Instruction manual
- 1 Certificate (COC)
- 1 Warranty information

Frequently Asked Questions
Clear answers to help you choose the right water testing solution with confidence
Which brands of water testing kits do you supply?
Do you provide kits for both home and professional use?
Yes — whether you’re a pool or spa owner, aquarium keeper, utility company, or a university laboratory, we have the right solution for your needs.
Can I arrange servicing or calibration for my photometer?
Absolutely. We also provide servicing and calibration to keep your photometers accurate and reliable.
How quickly do you dispatch orders?
Orders placed before 2:30 pm (Monday–Friday) are dispatched the same day. We also ship on Saturdays for your convenience.
Which couriers do you use for delivery?
We deliver through UPS, DPD, and Royal Mail. You can also choose to upgrade to next-day delivery at checkout.
What is your return policy?
We accept returns within 14 days of delivery provided the items are unused, in their original packaging, and in resalable condition. Please contact our team before returning any items.
Can I place bulk or business orders?
Yes, we welcome bulk, trade, and institutional orders. For tailored pricing or large quantities, please get in touch with us directly.
How can I get help if I’m unsure which kit to buy?
You can call us at 📞 +44 (0)115888 2726 and our team will guide you in choosing the most suitable kit for your needs.