Dipper-PTEC
- High-performance 32 bit measurement data collector optimised for water level, temperature and conductivity measurement in ground and surface waters
- XL ring memory for approximately 1.120.000 measurement data
- Sturdy, sleek Ø22 mm stainless-steel housing for extreme conditions
- High-quality 4-electrode conductivity measuring cell
- Accurate, long-term, stable, ceramic-capacitive pressure sensor
- NTC30 temperature sensor with 0.1°C accuracy
- External power pack module with interchangeable 1.5V size C batteries
- Operation with notebook, tablet, PC, smartphone or tablet via Bluetooth® (optional)
- Modularly expandable with a data transmission module SlimCom
| Measurement Principle | Capacitive ceramic measuring cell |
| Measuring Range | 0-2/5/10/20/30/40/50/70/100/200/300 m water column or according to specifications; -5 °C - +50 °C; 0-200 mS/cm (total) |
| Measuring Accuracy | ±0.05 % FS; 0,1 °C; ± 1 µS/cm for measuring range of 0-200 µS/cm ±0,5 % for measuring range of 0,2-200 mS |
| Memory Capacity | 16 MB (= 1,120,000 readings) |
| Save Interval | 30 s - 99 hours, standard, from 2 s in the quick-log mode, optionally |
| Channel | Max. 32 (water level, temperature, conductivity, density, TDS, salinity) |
| Measurement Routine | Single value, average value, event clock, Delta mode, pumping test control |
| Communication Interface | RS485, SDI-12 (option) |
| Material | 1.4539 stainless steel |
| Dimension | Ø 22 mm, length: 320 mm |
| Protection Class |
Probe: IP68 RS485 interface: IP67 (immersion depth with a desiccant cartridge up to 3 m, depending on cable length) |
| Power Supply |
4 x 1.5 V alkaline manganese batteries, standard 4 x 3.6 V lithium C batteries, optional |
| Hanging Depth | up to 700 m |
- Groundwater monitoring in wells, sites in the field and landfill sites
- Monitoring of pumping tests
- Level monitoring in surface waters (rivers, streams, channels, sources, flood retention basins, lakes, reservoirs)
- Swelling pressure measurement
- Discharge surveillance
