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The pH / Conductivity / Salt / Oxygen Water Quality Data Logger is a portable, easy-to-use measuring device with multiple capabilities for inspecting water quality. Offering extraordinary precision at an affordable price, the multifunctional Data Logger is used for laboratory and in situ testing of the pH value, redox, conductivity, salt content, oxygen level and temperature of water.
Three-point calibration and automatic temperature compensation guarantee a high level of accuracy even with variable temperature measurements. This meter is supplied with both a pH electrode and a conductivity electrode. Additional electrodes are available for purchase separately, as is an optional mains adapter for power and a software kit with an RS-232 cable. This meter acts as a real-time data logger. All values can be stored directly on the included SD card in Microsoft Excel format or transferred to a PC by means of the RS-232 port. Thus, no additional software is required for evaluation of the data.
| pH measurement |
|
| Measurement range | 0 ... 14.0 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.02 pH + 2 digits |
| Calibration | 3 points (pH 4, pH 7, and pH 10) |
| Temperature compensation | Automatic with additional temperature sensor (0 ... 60 ºC / 32 ºF ... 140 ºF) or manual (0 ... 100 ºC / 32 ºF ... 212 ºF) |
| Redox measurement (optional) | |
| Measurement range | 1999 ... 0 ... 1999 mV |
| Resolution | 1 mV |
| Accuracy | ± 0.5 % + 2 digits |
| Conductivity measurement | |
| Measurement range | 0 ... 200 µS/cm, 0.2 ... 2.0 mS/cm, 2 ... 20.0 mS/cm, 20 ... 200 mS/cm |
| Resolution | 0.01 µS/cm, 0.001 mS/cm, 0.01 mS/cm, 0.1 mS/cm |
| Accuracy | ±2 % of the measurement range + 1 digit |
| Calibration | 1413 mS/cm |
| Temperature compensation | Automatic (0 ... 60 ºC / 32 ºF ... 140 ºF) |
| Total dissolved solids (TDS) measurement |
|
| Measurement range | 0 ... 132 ppm, 132 ... 1320 ppm, 1320 ... 13200 ppm, 13200 ... 132000 ppm |
| Resolution | 0.1 ppm, 1 ppm, 10 ppm, 100 ppm |
| Accuracy | ±2 % of the measurement range + 1 digit |
| Temperature compensation | Automatic (0 ... 60 ºC / 32 ºF ... 140 ºF) |
| Salt content measurement | |
| Measurement range | 0 ... 12 % (of weight) |
| Resolution | 0.1 % |
| Accuracy | ±0.5 % of the measurement range |
| Temperature compensation | Automatic (0 ... 60 ºC / 32 ºF ... 140 ºF) |
| Oxygen measurement (optional) | |
| Measurement range | 0 ... 20 mg/l (in water), 0 ... 100 % (in air), 0 ... 50 ºC / 32 ºF ... 122 ºF |
| Resolution | 0.1 mg/l, 0.1 %, 0.1 ºC |
| Accuracy | ±0.4 mg/l, ±0.7 %, ±0.8 ºC |
| Calibration | In the air |
| Temperature compensation | Automatic (0 ... 50 ºC / 32 ºF ... 122 ºF) |
| Temperature measurement | |
| Measurement range | 0 ... 60 ºC / 32 ºF ... 140 ºF |
| Resolution | 0.1 ºC |
| Accuracy | ±0.8 ºC |
| Temperature compensation | Automatic (0 ... 60 ºC / 32 ºF ... 140 ºF) |
| General specifications | |
| Measurement rate | 1 second up to 8 hrs 59 mins 59 secs |
| Display | LCD 52 x 38 mm / 2 x 1.5" |
| Memory | SD card up to 16 GB (2 GB card included) |
| Interface | RS-232 |
| Software | Optional |
| Power supply | 6 x 1.5 V AA batteries (optional power adapter) |
| Operating conditions | 0 ... +50 ºC / < 85 % RH |
| Dimensions | 177 x 68 x 45 mm / 7.0 x 2.7 x 1.8" |
| Weight | 490 g / 1.1 lbs |
