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The MD110 Photometer range are the Bluetooth version of the MD100 Range of portable handheld instruments. Simple button layout and robust waterproof design make them easy to use and ideal for testing pool water. With a large backlit display they are also suitable for use in the Plant Room.
The units supply accurate, reproduceable results using high quality interference filters with long-life LEDs as a light source. Tests are conducted using Lovibond® tablet reagents which give long-term stability and a guaranteed minimum 5 or 10 year shelf life. Liquid reagents can also be used.
Test results are automatically stored with time and date for later review, and can also be downloaded sent to phone or tablet using the Bluetooth connection.
Test / Range
Chlorine 0-6.0 mg/l
Chlorine 0-10mg/l (Additional tablets required)
pH Value 6.5-8.4
Alkalinity Total 5-200 mg/l
Calcium Hardness 0-500 mg/l
Bromine 0.05-13 mg/l
Cyanuric Acid 2-160 mg/l
Contents Include;
Instrument in carrying case
4 Micro batteries (AAA)
3 Round vials (Glass) with lids
Tablets reagents
Crushing / Stirring Rod
Guarantee sheet
Certificate (COC)
Instruction manual
Features |
Benefits |
Supplied with reagents for 100 tests and accessories |
Ready to use for all parameters |
Four button operation |
Easy to use |
Extended chlorine range available (0-10mg/l) as standard |
Suitable for all pool / spa applications |
Bluetooth interface |
Allows easy transfer of results for recording purposes |
Storage of results with scroll memory |
Allows on screen recall of readings |
Built in real time clock |
Readings logged with real time data |
One Time Zero Function (optional) |
Enables quick switching between tests. Optional for those who prefer traditional testing method |
Water resistant |
Can be used in damp and humid environments |
LED light source |
Eliminates drift and deterioration in performance over the life of the instrument |
Back lit display |
Suitable for dark environments such as plant rooms |
Easy maintenance and low cost of ownership |
Reduced ‘down time’ and cost savings over the life of the unit |
Auto switch off feature |
Saves battery life |
Optional Check Standards available |
Allows on site checking of the meter and confidence in the readings |
If you wish to purchase further products for your kit, the replacement codes areas follows:
Stock code Description Quantity
511050 DPD No 1 Free Chlorine Tablets Box of 100
511051 DPD No 1 Free Chlorine Tablets Box of 250
511080BT DPD No 3 Total Chlorine Tablets Box of 100
511081BT DPD No 3 Total Chlorine Tablets Box of 250
511770BT Phenol Red Photometer Tablets Box of 100
511771BT Phenol Red Photometer Tablets Box of 250
511370BT Cyanuric Acid Tablets Box of 100
511371BT Cyanuric Acid Tablets Box of 250
517761BT Calcio-H Tablets No 1/2 Boxes of 100
517762BT Calcio-H Tablets No 1/2 Boxes 0f 250
513210BT Alka-M-Photometer Box of 100
513211BT Alka-M-Photometer Box of 250
197629 Cylindrical Cells with Lid Pack of 5
380230 Cleaning Brush 1
364120-1 Single Plastic Stirring Rod 1
364120 Plastic Stirring Rod Pack of 10
Additional Features:
Scroll Memory (SM)
To avoid unnecessary scrolling for the required test method, the instrument memorises the last method used before switching off. When the instrument is switched on again, the last used test method is selected automatically.
Calibration certificate
Beside the "Certificate of Compliance" which is supplied with the MD 100 & MD110, calibration certificates are available at cost on request. Individually supplied per instrument and per method, The Calibration Certificate must be ordered on initial purchase of the instrument.
Data transfer
Bluetooth interface installed as a standard.
Zero Setting (OTZ)
Certain instruments have a One Time Zero (OTZ) function, making it unnecessary to zero the instrument between each test. This allows multiple tests to be performed using the same blank/zero sample until a new parameter is selected.
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.
(N.I.S.T. = National Institute of Standards and Technology)

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.