Photometer
The measuring principle is the photometric method, e.g. the DPD method using reagents according to the German standard DIN 38 408. The big advantage of Photometers against comparators is that the light conditions to measure the sample are invariable; this provides higher accuracy and minimizing the chance of subjective errors.
Features
- Portable compact Photometer
- Automatic zero calibration
- Short measuring cyclus (ca. 3 seconds)
- Big digital display
- Microprocessor technology
- Long-run constant LEDs
- Test fluid appropriateness (calibratable)
- Use of long-time stable Lovibond reagent tablets or container vessel tests
- Compact ergonomic design
- Complete Photometer equipment in one portable bag
- Automatic cutoff
- Photometers supplied with accessories, container vessels and reagents
Application Areas
- Swimming pool water treatment
- Food technology
- Drinking water treatment
- Cooling water
Technical Data
| Parameter | Value |
| Power supply | 9V Block for 600 measurement cycles à 4 min. |
| Measuring tolerance | dependent on measuring value and measuring method |
| Keyboard material | Polycarbonate foil |
| Housing material | Polycarbonate |
| Ambient temperature | 41...104° F (5...40 °C) |
| Relative humidity | 30...90 % (not precipitable) |
| Dimensions (HxWxD) | 7.48" x 4.33" x 2.16" (190 x 110 x 55 mm) |
| Weight | 0.8 lbs. (ca. 0.4 kg) |
| Parameter | DT1 | DT2B | DT3 | DT4 |
| free Chlorine (DPD1) in ppm | 0.05...6.00 | 0.05...6.00 | - | 0.05...6.00 |
| compound Chlorine (DPD1 + DPD3) in ppm | 0.05...6.00 | 0.05...6.00 | - | 0.05...6.00 |
| compound Chlorine (DPD4) in ppm | 0.05...6.00 | 0.05...6.00 | - | 0.05...6.00 |
| Bromine (DPD1 at DBDMH, DPD4 at BCDMH) in ppm | 0.1...13.00 | - | - | - |
| Ozone in ppm | 0.03...4.00 | - | - | - |
| Chlorine dioxide in ppm | - | 0.05...11.0 | - | 0.05...11.00 |
| Chlorite in ppm | - | - | - | 0.03...2.5 |
| Hydrogen peroxide in ppm | - | - | 1...50 | - |
| 40...500 | ||||
| Cyanuric acid in ppm | 1...80 | - | - | - |
| pH (Phenole red) | 6.5...8.4 | - | - | - |
| Fluoride in ppm | - | 0.05...2.00 | - | - |