New Data Loggers for Dendrometers and Sap Flow Sensors DL18-BLE View larger

Bluetooth-BLE Data Loggers for Dendrometers and Sap Flow Sensors DL18-BLE

DL18-BLE

Ecomatik

New

Mini-Systems with Data Logger DL18-BLE

365,00 €

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Environment of Use Indoor/Outdoor
Number of Channels 4 Analog
ADC Bits 16 bit
IP Classification IP67
Communications Bluetooth BLE
Battery Life 1 year
Memory Capacity 1.9 million measurements

ECOMATIK provides the DL18-BLE (Bluetooth Low Energy) dendrometric data logger that covers all relevant logging features and options for accurate and efficient dendrometric measurements.

Suitable for connecting 1 to 4 dendrometers, temperature compensated effects, 16 bits, resolution 0.2-0.5 µm (regardless of dendrometer type), RAM for data storage of 1,900,000 (sufficient for a one-year measurement with 4 dendrometers, 1 min measurement interval), USB port, an internal battery lasts more than 1 year of measurement.
Ideal for long-term measurements with dendrometers.
Supplied with weather box and protective visor.

ECOMATIK dendrometers are compatible with all popular data loggers (eg Campbell, Delta-T, DT80). We provide assistance in connecting our dendrometers with data loggers.

DL18 and DL18-BLE comparison:

Logger-Type

Mini Logger

DL 18

Mini Logger

DL 18-BLE

Scope of application

Battery-powered data recording in outdoor conditions

Battery-powered data recording in outdoor conditions. Bluetooth data transfer to smartphone/tablet particularly advantageous if logger accessibility is difficult (e.g., if attached to a greater height in the tree)

Compatible Sensors

Sensors with analogue output signal:

- Dendrometer (all models)

- Temperature sensors (T-Series)

- Leaf temperature sensor (LAT-B2)

- T/RH air sensor (EM 14)

- Soil moisture sensor (SMT100)

- Light sensors (Par: EM 20; Pyranometer: EM 25)

Sensors with analogue output signal:

- Dendrometer (all models)

- Temperature sensors (T-Series)

- Leaf temperature sensor (LAT-B2)

- T/RH air sensor (EM 14)

- Soil moisture sensor (SMT100)

- Light sensors (Par: EM 20; Pyranometer: EM 25)

Special features/limitations

Small; robust, weatherproof metal box; cost-effective; easy to use; long battery life

Small; robust, weatherproof plastic box; wireless communication with mobile devices via Bluetooth; cost-effective; easy to use; long battery life

Number of measuring channels & measuring range

4 channels for 0 to 2.5 V

4 channels for 0 to 2.5 V

Recording interval

Adjustable between 1 sec and 18 hours (averaging possible)

Adjustable between 1 sec and 18 hours (averaging possible)

Storage capacity

4 MB (max. 1,900,000 measured values)

e.g.

For 4 channels and 30 minutes recording interval sufficient for 7,900 days

4 MB (max. 1,900,000 measured values)

e.g.

For 4 channels and 30 minutes recording interval sufficient for 7,900 days

Resolution

40 μV

e.g.:

Dendrometer, depending on the model: 0.2 to 1 μm

T-Series, LAT-B2: 1.6 * 10-3 ° C

40 μV

e.g.:

Dendrometer, depending on the model: 0.2 to 1 μm

T-Series, LAT-B2: 1.6 * 10-3 ° C

Accuracy

± 0.1 mV ± 0.1% of measured value

± 0.1 mV ± 0.1% of measured value

By the logger supplied sensor excitation voltage

2.5 V (switched, stabilized)

2.5 V (switched, stabilized)

Logger powering & battery life

2x AAA cell, user-replaceable

Battery life: typically 1 year with a logging interval of 1 minute

2x AAA cell, user-replaceable

Battery Life: typically 1 year with a logging interval of 1 minute and activated Bluetooth

Interface

USB to PC (Windows or MacOS)

Bluetooth Low Energy to Windows-PC, tablet or smartphone (Android or iOS); range up to 30 m line-of-sight

Operational conditions

Normal outdoor conditions, recording -20 to 70 ° C, 0 to 100% relative air humidity

Normal outdoor conditions; recording -20 to 70 ° C, 0 to 100% relative air humidity

Size and Weight

17x13x8 cm, 725 g (complete in metal protection with mounting plate)

17x13x8 cm, 600 g (complete in plastic protection with mounting plate)

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