ADL2011 RSTAR Affinity VW Data Logger | AO Electronics

ADL2011 RSTAR Affinity Vibrating Wire Data Logger

Name: ADL2011 RSTAR Affinity Vibrating Wire Data Logger
Brand: RST Instruments
SKU: ADL2011

Reference: ADL2011 - Manufacturer: RST Instruments

The RSTAR Affinity Single Channel Vibrating Wire Data Logger is a wireless, battery-powered logger for reliable unattended monitoring of one Vibrating Wire sensor and its thermistor. It combines secure BLE setup, LoRaWAN connectivity, and low-power operation for remote geotechnical and structural applications.

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The RSTAR Affinity Single Channel Vibrating Wire Data Logger provides a compact, cost-effective solution for remote geotechnical and structural monitoring of one Vibrating Wire sensor, such as piezometers, strain gauges, or crack meters, together with its thermistor.

The logger wirelessly transmits data to the RSTAR Affinity Gateway for integration with the RSTAR Affinity software platform, simplifying remote data acquisition and management in critical monitoring projects.

It is engineered for flexibility and long-range performance, with LoRaWAN communication up to 15 km depending on environmental conditions, secure Bluetooth Low Energy setup through the RSTAR Affinity Field app, and low-power operation for standalone or LPWAN network deployments.

Product features

Unattended monitoring of one Vibrating Wire sensor and its thermistor.
Long-range LoRaWAN wireless communication.
Authenticated Bluetooth Low Energy configuration.
Compact design for remote low-power installations.
Integration with the RSTAR Affinity gateway and software platform.

Benefits

Better data insights.
Ease of use in the field.
Improved safety through continuous remote monitoring.

Physical specifications

Version 1 dimensions	422 mm x 75 mm x 56 mm (radio antenna)
Version 2 dimensions	228 mm x 75 mm x 56 mm (no radio antenna)
Total mass	754 g
Housing material	GRP (Glass Reinforced Polyester)
Protection	IP66
Mounting options	Wall, pole, and secondary enclosure. Wall mounting screws not included.
Antenna	External +2 dBi (RPSMA male connector)

General specifications

Operating temperature range

From -40°C to 60°C

Power specifications

Battery voltage	3.6 V
Number of cells	1 primary battery cell
Cell size	D
Recommended battery	Saft LSH20
Nominal capacity	13.0 Ah @ 20°C per cell
Life expectancy	1 Vibrating Wire sensor @ 20°C: ~5 years. Battery lifespan depends on environment and sample interval.

Vibrating Wire specifications

Excitation voltage	5 V
Resonant frequency range	200 Hz to 6000 Hz
Resolution	<0.02 Hz
Accuracy	±0.025 Hz (0.01% FS)
Protection	Inputs designed to IEC-61000-42 ESD 30 kV (air) and 30 kV (contact)

Thermistor specifications

Measurement range	0 Ω to 164 MΩ
Resolution	0.003 °C at 25 °C or 0.391 Ω at 3 kΩ
Accuracy	±0.1°C
Protection	Inputs designed to IEC-61000-42 ESD 30 kV (air) and 30 kV (contact)

BLE specifications

Bluetooth	BT 5.0 single mode
Frequency	2.402 - 2.480 GHz
Raw data rates	125 kbps, 500 kbps, 1 Mbps, 2 Mbps
Maximum transmit power	+8 dBm
Low power listen mode	Continuous

LoRa specifications

Operating regions	US915, EU868, AS923-1/2/3/4, and AU915. Contact RST Instruments for the best regional frequency plan.
Protocols	LoRaWAN 1.03
Range	Up to 15 km at 900 MHz depending on frequency, antenna, and line of sight

Ordering information

ADL2011	RST part number for the RSTAR Affinity Single Channel Vibrating Wire Data Logger
DATA LOGGER - SE	Optional secondary enclosure for 1 logger with plate, hardware, and ground stake
DT100	Nut wrench for cable glands
DT20XX-M1	Pole mount kit (1.5” to 7” diameter range)