Lovibond MD 640 Photometer and Fluorometer

LovibondSKU: 214140
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Description

Product Name - MD 640


The Lovibond® MD 640 is an enhanced version of the MD 610 photometer.


Offering additional fluorescence capability for the determination of PTSA and fluorescein in water systems.


Covers more than 120 important methods for water analysis






Supplied without reagents (please specify the reagents or parameters required at time of order)


Test/Range


























































































































































































































Acid Demand 0.1-4 mmol/l
Active Oxygen 0.1-10 mg/l
Alkalinity P 5-300 mg/l
Alkalinity Total M 5-200 mg/l; 5-500 mg/l
Aluminium 0.01-0.3 mg/l; 0.01-0.25 mg/l
Ammonia 0.02-1 mg/l; 0.01-0.8 mg/l
Ammonia HR 1-50 mg/l
Ammonia LR 0.02-2.5 mg/l
Boron 0.1-2 mg/l
Bromine 0.05-13 mg/l
Chloride 0.5-25 mg/l
Chlorine 0.01-6 mg/l; 0.02-2 mg/l; 0.02-4 mg/l; 0.1-10 mg/l; 0.1-8 mg/l
Chlorine (total) 5-200 mg/l
Chlorine Dioxide 0.02-11 mg/l
COD 0-150 mg/l; 0-1500 mg/l; 0-15000 mg/l
Copper 0.05-4 mg/l; 0.05-5 mg/l
Cyanide 0-160 mg/l
Cyanuric Acid 0-160 mg/l
DEHA 20-500 µg/l
Dissolved Oxygen 10-800 µg/l
Fluorescein 0-400 µg/l
Fluoride 0.05-2 mg/l
Calcium Hardness 0-500 mg/l; 50-900 mg/l
Hardness 2-50 mg/l; 20-500 mg/l
Hydrazine 0.05-0.5 mg/l; 0.01-0.6 mg/l; 0.01-0.7 mg/l
Hydrogen Peroxide 0.03-3 mg/l; 1-50 mg/l; 40-500 mg/l
Iodine 0.05-3.6 mg/l
Iron 0.02-1 mg/l; 0.02-3 mg/l; 0.02-1.8 mg/l; 0.03-2 mg/l; 0.1-10 mg/l
Manganese 0.05-5 mg/l; 0.2-4 mg/l; 0.01-0.7 mg/l; 0.1-18 mg/l
Molybdate 0.05-5 mg/l; 1-50 mg/l; 0.5-66 mg/l; 1-100 mg/l
Monochloramine 0.04-4.50 mg/l; 0.01-0.50 mg/l
Nitrate 0.08-1 mg/l; 1-30 mg/l
Nitrite 0.01-0.5 mg/l; 0.01-0.3 mg/l
Nitrogen Total 0.5-25 mg/l; 5-150 mg/l
Ozone 0.02-2 mg/l
Ortho-phosphate 0.05-4 mg/l; 1-80 mg/l; 0.06-2.5 mg/l; 0.06-5 mg/l; 5-40 mg/l; 0.05-5 mg/l
pH Value 5.2-6.8; 6.5-8.4; 8.0-9.6
PHMB 2-60 mg/l
Phosphate Total 0.02-1.1 mg/l; 0.06-3.5 mg/l; 0.1-10 mg/l; 5-80 mg/l
Phosphonate 0-125 mg/l
Platinum-Cobalt / Hazen 0-500 mg Pt/l
Polyacrylate 1-30 mg/l
Potassium 0.7-12 mg/l
PTSA 0-1000 µg/l
Silica 0.05-4 mg/l; 0.1-1.6 mg/l; 0.1-8 mg/l; 1-90 mg/l
Sodium Hypochlorite 0.2-16 %
Sulphate 5-100 mg/l
Sulphide 0.04-0.5 mg/l
Sulphite 0.1-5 mg/l
Suspended Solids 0-750 mg/l
Turbidity 0-1000 FAU
Urea 0.1-2.5 mg/l
Zinc 0.02-1 mg/l; 0.1-2.5 mg/l




The Lovibond® MD 640 is an enhanced version of the MD 610 photometer, offering additional fluorescence capability for the determination of PTSA and fluorescein in water systems. PTSA (1,3,6,8 pyrenetetrasulfonic acid, sodium salt) and fluorescein are fluorescent materials that are increasingly being added to speciality water treatment products to enable real time product dose analysis. Both materials are detectable at ppb levels, are non-toxic and chemically stable, all of which make them ideal tracer additives throughout complex water systems. Accurately measuring product dose levels helps the water treatment specialist to control water chemistry; prevent corrosion, scale and biological fouling; increase system efficiency.




• Inbuilt PTSA & Fluorescein measurement - no adapter required
• High quality results due to interference filters and long-life LEDs
• Automatic wavelength selection
• Bluetooth® data transmittance to Lovibond® AquaLX® App
• Covers more than 120 important methods for water analysis such as aluminium, chlorine, COD, bromine, chlorine dioxide, copper, iron, molybdate and phosphate
• Advanced data management via AquaLX® App
• Portable and easy handling
• Robust and water proof




Delivery content
• 4 batteries
• 3 round vials each 24 and 16 mm ø(black lid)
• 1 adapter each for 16 mm and 13 mm vials
• Plastic stirring rod 13 cm, brush 11 cm, syringe 5 ml, screw driver
• Warranty information
• Certificate of Compliance
• Instruction Manual













































































Display
Interfaces Bluetooth® 4.0
RJ45 socket for internal updates
Optics LEDs, Interference Filters (IF) and photo sensor in transparent sample chamber.
Wavelength specifications of interference filters:
430 nm Δ λ = 5 nm
530 nm Δ λ = 5 nm
560 nm Δ λ = 5 nm
580 nm Δ λ = 5 nm
610 nm Δ λ = 6 nm
660 nm Δ λ = 5 nm
Wavelength Accuracy ± 1nm
Photometric Accuracy 2% full scale (at 20 ° C to 25 ° C)
Photometric Resolution 0.005 A
Operation Acid and solvent resistant touch sensitive keypad; audible feedback via integrated beeper
Power Supply 4 x AA batteries; operating time approx 26 hours continuous or 3500 tests
Auto Off Approx 20 minutes after last keypress with audible signal
Dimensions Unit 210 x 95 x 45 mm
Carry case 395 x 295 x 106 mm
Unit Weight 450g
Ambient Conditions 5-40 ° C, 30-90% rel humidity (non condensing)
Memory Capacity Approx 500 data sets with time, date, sample ID
Conformity -CE












































































Stock Code







197629



Photometer Cell ø 24mm with lid, pack of 5



197629



Photometer Cell ø 24mm with lid, pack of 5



364120



Crushing / Stirring Rod, pack of 10



380030



Vial Cleaning Brush, long



215640



Verification Standard Kit, MaxiDirect / MD 600



366110



Syringe, Plastic 1ml



366070



Syringe, Plastic 2ml



366070



Syringe, Plastic 2ml



366120



Syringe, Plastic 5ml



369090



Syringe, Plastic, 10ml



385130



Dilution / Shaker Tube 100ml



400744



UV Lamp (220V)



400745



UV Lamp (110V)









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