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 notebook, tablet, PC, smartphone or tablet via Bluetooth® (optional)
Modularly expandable with a data transmission module SlimCom

Category: Hydrology Tags: data logger, hydrology

Data Logger Dipper-PTEC

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: HDA-Pro HDA Tablet

Data readout: Dual Converter (USB, RS485), 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 linearisation

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 SilicaGel for protection of the pressure compensation line