The Lovibond MD 200 is a compact benchtop photometer for chlorine (DPD, 0.01 - 10 mg/L Cl2) and pH (Phenol Red, 6.5 - 8.4) using tablet or liquid reagents. Interference filters and stable LEDs give precise, reproducible results; IP 68, 4 AA batteries, 455 g.
The Lovibond MD 200 Chlorine, pH, tablet reagents (OTZ) is a versatile, compact benchtop photometer from the Tintometer Group. Its high-precision optics combine high-quality interference filters with long-term stable LEDs as light sources, delivering precise and reproducible results wherever it is used while keeping maintenance low.
This version measures chlorine by the DPD method (Chlorine T 0.01 - 6.0 mg/L Cl2, Chlorine L 0.02 - 4.0 mg/L Cl2, Chlorine HR T 0.1 - 10 mg/L Cl2) and pH by the Phenol Red method (6.5 - 8.4 pH). It works with long-term stable Lovibond reagent tablets (5-10 years guaranteed minimum durability) or Lovibond liquid reagents.
Typical applications are drinking water, raw water and wastewater treatment, disinfection control, pool water control, and boiler and cooling water, in municipalities, pools and pool services, and the chemical, food and beverage, pharmaceutical, marine, oil and gas, and power and energy industries.
| Manufacturer | Lovibond (Tintometer Group) |
|---|---|
| Model | MD 200 |
| Version | Chlorine, pH, tablet reagents (OTZ) |
| Part Number | 2889402 |
| Chlorine HR T | 0.1 - 10 mg/L Cl2 (DPD method) |
| Chlorine L | 0.02 - 4.0 mg/L Cl2 (DPD method) |
| Chlorine T | 0.01 - 6.0 mg/L Cl2 (DPD method) |
| pH value L | 6.5 - 8.4 pH (Phenol Red method) |
| pH value T | 6.5 - 8.4 pH (Phenol Red method) |
| Optics | LEDs, interference filters (IF) and photo sensor in transparent sample chamber; depending on the version, up to 3 different interference filters are used |
| Interference Filter Wavelengths | 430 nm Δλ = 5 nm; 530 nm Δλ = 5 nm; 560 nm Δλ = 5 nm; 610 nm Δλ = 6 nm |
| Wavelength Accuracy | ± 1 nm |
| Photometric Range | -2500 - 2500 mAbs |
| Photometric Accuracy | 3 % FS (T = 20 °C – 25 °C) |
| Display | Backlit LCD (on keypress) |
| Interfaces | Infrared |
| Operation | Foil keypad |
| Auto-Off | Yes |
| Calibration | Factory calibration and user calibration; reset to factory calibration possible |
| Internal Storage | Internal ring memory for 16 data sets |
| Power Supply | 4 batteries (AA) |
| Battery Life | Approx. 53 hours |
| Clock | Real Time Clock and Date |
| Portability | Portable |
| Environmental Conditions | Temperature 5 - 40 °C; relative humidity 30 - 90 % (non-condensing) |
| Protection Class | IP 68 |
| Compliance | CE |
| Dimensions | 110 x 55 x 190 mm |
| Weight | 455 g |
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