Data Logger Dipper-PTEC
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Category: Groundwater, Surface water, Water Quality – Data Logger
- High-performance 32 bit measurement data collector optimized 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 a notebook, tablet, PC, smartphone or tablet via Bluetooth® (optional)
- Modularly expandable with a data transmission module SlimCom
Benefits
High-performance: 32-bit microprocessor with 16 MB of memory for 1,120,000 readings
Low maintenance: Low operating costs, 1.5 V size C replaceable batteries, without the need to use tools (option: 3.6 V lithium batteries to maximize the service life)
Slim: Installation using 1″ tube diameter (probe)
Smart: For each measurement task – a suitable measurement routine: single value measurement, average value measurement, event control (swell mode, delta mode), flow calculation (W/Q table, polynomial), calculation and storage of salinity, TDS value and water density.
Accurate and reliable: Conductivity measurement electrode with automatic measuring range switching, for maximum resolution (0-0.2 mS/cm; 0.2-2 mS/cm; 2-20 mS/cm; 20-200 mS/cm)
Water level: 0.05 % Measurement accuracy (= 1 cm at 20 m measuring range)
Robust: 1.4539 stainless steel housing can also be used under extreme environmental conditions (landfill sites, contaminated sites, brackish water, etc.)
Flood-proof: 2-step, permanent flood protection up to 3 m (standard), also available in IP68 (Type Dipper-APT)
User-friendly: Two clever apps are available for configuration and data read-out of the Dipper-PTEC. Operating software for beginners SEBAConfig (Windows) a comfortable user interface (Wizard) for various routine tasks. with SEBAConfigApp (Android, iOS) and the SEBA BlueCon to communicate comfortably wirelessly via Bluetooth with a smartphone or tablet with the logger.
Modular: When combined with our data transmission module SlimCom, the Dipper-PT ‘s recorded measurements are transferred remotely to your workstation.
Application
- 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
Accessories
Operating software:
- SEBAConfig(Windows)
- SEBAConfigApp(Android, iOS)
Operating Unit:
Data readout:
- BlueCon(Bluetooth)
- RS485
Remote data transmission: SlimCom
Measuring device protection: SEBA Bearing Tube Closure with a safety lock
Evaluation software: DEMASvis
Archiving Software: DEMASdb
Specifications
Parameters: Water level [cm], [m]
Sensor: Relative Pressure sensor
Measurement principle: Capacitive with ceramic measuring cell
Measuring range: 0-2/5/10/20/30/40/50/70/100/200/300 m water column or according to specifications
Measuring accuracy: ±0.05 % FS
Long-term stability: ±0.1 %/year
Parameters: Water temperature [°C]
Sensor: NTC30 with polynomial linearization
Measurement principle: NTC-resistor
Measuring range: -5 °C – +50 °C
Measuring accuracy: 0.1 °C
Pressure Range: 0-30 bar
Parameters: Conductivity [µS/cm], [mS/cm]
Derived parameters: solutes [g/l], salinity, density [g/l]
Sensor: 4-electrode measuring cell
Measuring range: 0-200 mS/cm (total)
Automatic measuring range switchover: 0-200 µS/cm; 0,2-2 mS/cm; 2,2 mS/cm; 20-200 mS/cm
Measuring accuracy: ± 1 µS/cm for measuring range of 0-200 µS/cm ±0,5 % for measuring range of 0,2-200 mS
Pressure Range: 0-30 bar
Logger Controller:
- 32 Bit Flash controller with integrated WatchDog
- RTC-IC Real Time Clock
Memory capacity: 16 MB (= 1,120,000 readings)
Save interval: 30 s – 99 hours, standard, from 2 s in the quick-log mode, optionally
Channels: Max. 32 (water level, temperature, conductivity, density, TDS, salinity)
Measurement routines: Single value, average value, event clock, Delta mode, pumping test control
Communications Interface: RS485, SDI-12 (option)
Operation:
- Dual converter (USB / RS232)
- BlueCon (Bluetooth)
Housing Material: 1.4539 stainless steel
Dimensions: 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 the cable length)
Operating temperature: -5 °C – +60 °C (non-freezing)
Hanging depth: up to 700 m
Powerpack module (pluggable)
Housing Material: Aluminum
Dimensions: Ø 35 mm, length: 345 mm
Protection class: IP68
Power supply:
- 4 x 1.5 V alkaline manganese batteries, standard
- 4 x 3.6 V lithium C batteries, optional
Suspension unit:
- Diameter-independent for SEBA caps starting from a 2″ pipe diameter, standard
- Diameter-dependent insert panels for SEBA caps starting from a 2″ pipe diameter, optional
Measuring device protection: Protective caps for the RS485 interface (dust and moisture protection)
Cable: Reinforced measuring cable with a pressure compensation line
Gore-Tex membrane, desiccant cartridge with Silica Gel for protection of the pressure compensation line
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