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The V-Link® -LXRS® is a versatile seven channel analog wireless sensor node with high sample rates and datalogging capability.

Product Highlights

  • Four differential and three single-ended analog input channels and an internal temperature sensor
  • Ideal for remote and long term measurement of many Wheatstone bridge and analog-type sensors including: strain, force, torque, pressure, acceleration, vibration, magnetic field, displacement and geophones
  • Supports continuous, burst, and event-triggered sampling and datalogging to internal memory
  • l User-programmable sample rates up to 10 KHz
  • l IP65/66 environmental enclosures available
Datasheet Manual Software
Where to Buy?
U.S. International OEM

Wireless Simplicity, Hardwired Reliability

High Performance

  • Node-to-node synchronization up to ±32 microseconds
  • High resolution data with 16-bit A/D converter
  • Scalable, long range wireless sensor networks up to 2 km
  • Lossless data throughput under most operating conditions

Ease of Use

  • Rapid deployment with wireless framework
  • Event driven triggers for efficient monitoring
  • Remotely configure nodes, acquire and view sensor data with Node Commander®.
  • Optional web-based SensorCloud™ interface optimizes data storage, viewing, and analysis.
  • Easy integration via comprehensive SDK

Cost Effective

  • Reduction of costs associated with wiring
  • Low-cost per channel with 7 input channels per node
General
 

Sensor input channels

Differential analog, 4 channels

Single-ended analog, 3 channels

Integrated sensors

Internal temperature, 1 channel

Data storage capacity

4 M bytes (up to 2,000,000 data points, data type dependent)

Analog Input Channels

Measurement range

Differential: full-bridge, 350 Ω (factory configurable) Single-ended: 0 to 3 V dc

Accuracy

± 0.1% full scale typical

Resolution

16 bit

Anti-aliasing filter bandwidth

Single-pole Butterworth

-3 dB cutoff @ 250 Hz (factory configurable)

Bridge excitation voltage

+3 V dc, 50 mA total for all channels

(pulsed @ sample rates 16 Hz to conserve power)

Measurement gain and offset

User-selectable in software on differential channels gain values from 21 to 13074

Integrated Temperature Channel

Measurement range

-40 °C to 85 °C

Accuracy

± 2 °C (at 25 °C) typical

Resolution

16 bit

Sampling

Sampling modes

Synchronized, low duty cycle, datalogging, event-triggered

Sampling rates

Continuous sampling: 1 sample/hour to 512 Hz Periodic burst sampling: 32 Hz to 10 KHz Datalogging: 32 Hz to 10 KHz

Sample rate stability

± 3 ppm

Network capacity

Up to 2000 nodes per RF channel (and per gateway) depending on the number of active channels and sampling settings. Refer to the system bandwidth calculator: http://www.microstrain.com/configure-your-system

Synchronization between nodes

± 32 μsec

Operating Parameters

Radio frequency (RF)

transceiver carrier

2.405 to 2.470 GHz direct sequence spread spectrum over 14 channels, license free worldwide, radiated power programmable from 0 dBm (1 mW) to 16 dBm (39 mW); low power option available for use outside the U.S.- limited to 10dBm (10mW)

Range for bi-directional RF link

Outdoor/line-of-sight: 2 km (ideal) *, 800 m (typical)**

Indoor/obstructions: 50 m (typical)**

RF communication protocol

IEEE 802.15.4

Power source

Internal: 3.7 V dc, 650 mAh lithium ion rechargeable battery

External: +3.2 to +9.0 V dc

Power consumption

See power profile :

http://files.microstrain.com/V-Link-LXRS-Power-Profile.pdf

Operating temperature

-20 ˚C to + 60 ˚C (extended temperature range available with custom battery/enclosure, -40 ˚C to + 85 ˚C electronics only)

Acceleration limit

500 g standard (high g option available)

Physical Specifications

Dimensions

74 mm x 79 mm x 21 mm

Weight

141 grams

Environmental rating

Indoor use (IP65/66 enclosures available)

Enclosure material

Anodized aluminum

Integration

Compatible gateways

All WSDA® base stations and gateways

Compatible sensors

Bridge type analog sensors, 0 to 3 V dc analog sensors

Connectors

Screw terminal block

Shunt calibration

Internal shunt calibration resistor 499 KΩ, differential channels

Software

SensorCloud™, Node Commander®, Windows XP/Vista/7

Software development

Open-source MicroStrain Communications Library (MSCL) with sample code available in C++,Python,and.NET formats (OS and computing platform independent): http://lord-microstrain.github.io/MSCL/

Regulatory compliance

FCC (U.S.), IC (Canada), CE, ROHS

*Measured with antennas elevated, no obstructions, and no RF interferers.

**Actual range varies depending on conditions such as obstructions, RF interference, antenna height, & antenna orientation.

 

 

 

 

 

 

 

General Documentation

Technical Notes

Mechanical Drawings (Uncontrolled)

Videos

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