MD100 Photometer – 3 in 1


Small, hand-held photometers that are ideal for frequent and accurate testing of three test methods: Chlorine, pH and Cyanuric acid. They are waterproof and ideal for field and desktop use. Engineered by Lovibond®, with their 120 years of expertise in colour testing.


  • Water treatment
  • Waste / Drinking Water
  • Cooling / Boiler Water
  • Pool Water
  • Beverage Industry
  • Laboratory and Field Testing


  • Compact hand-held design
  • Waterproof to IP68
  • Accurate, reproducible results
  • Scroll Memory – the instrument memorizes the last method used before switching off the instrument. When the instrument is switched on again, the scroll list comes up with the last test method first
  • Zero Setting – the zero setting is held in memory (One Time Zero – OTZ). The zero setting can be confirmed whenever it is useful.
  • Automatic switch-off
  • Backlit display
  • Real-time clock and date
  • Certificate of Compliance supplied

Calibration Certificate:

Calibration Certificate available at cost on request. Individually supplied per instrument and per method. Cannot be delivered at a later stage – must be ordered together with the new instrument.

N.I.S.T. Traceability:

The instrument has a factory calibration, which is related to international standards which are not N.I.S.T. traceable. The instrument may be calibrated by the user in a “user calibration mode” with N.I.S.T. traceable standards.


Two-year guarantee on the instrument
Product Code L0278010

0.01 – 6.0 mg / litre Chlorine
6.5 – 8.4 pH
2 – 160 mg / litre Cyanuric Acid


LED’s, interference filters (IF) and photo sensor in transparent sample chamber. Depending on the version, up to 3 different interference filters are used. Wavelength specifications of interference filters:
430 nm wavelength = 5 nm
530 nm wavelength = 5 nm
560 nm wavelength = 5 nm
580 nm wavelength = 5 nm
610 nm wavelength = 6 nm
660 nm wavelength = 5 nm

Wavelength accuracy approx. 1 nm
Photometric Accuracy 3% FS (T = 20 – 25 deg. C)
Photometric Resolution 0.01 A
Power Supply 4 micro batteries (AAA), capacity approx. 17 hours or 5 000 tests
Auto-Off automatic switch off
Display backlit LCD (on key press)
Storage internal ring memory for 16 data sets
Interfaces infrared interface for test data transfer
Additional feature real time clock and date
Calibration Factory calibration and user calibration
Dimensions 155 x 75 x 35 mm (L X W X H)
Weight approx. 260 g – basic unit
Environmental Conditions

Temperature: 5 – 40 deg. C

Rel. Humidity: 30 – 90 %



Delivery Content:

  • Instrument in carrying case
  • 4 micro batteries AAA
  • 3 round glass vials with lids
  • Tablet reagents sufficient for 100 tests for Chlorine, pH and Cyanuric acid
  • Guarantee sheet
  • Certificate COC
  • Step-by-step instruction manual
  • L0278010_md100 photometer_chlorine_ph_cyanuricacidtablet

    Additional information

    Weight 0.00 kg


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