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G-Link Sensor Node

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G-Link® -mXRS™ Wireless Accelerometer Node

Combines triaxial accelerometers, embedded processing, wireless communications, and precision timekeeping with extended range capabilities to measure acceleration, vibration, and tilt.

Overview

Combining triaxial accelerometers, embedded processing, wireless communications, and precision timekeeping, G-Link® -mXRS™ wireless nodes operate within a fast, synchronized, scalable network of wireless sensor nodes located up to 1 km from our WSDA® -Base. G-Link® -mXRS™ nodes include an internal rechargeable Li-Ion battery and measure accelerations, vibrations, and tilt angles with its embedded accelerometers.

At the heart of MicroStrain's extended range synchronized (mXRS™) system is the WSDA® -Base, which uses our exclusive beaconing protocols to synch precision timekeepers embedded within each sensor node in the network. The WSDA® -Base also coordinates data collection from all sensor nodes, including G-Link® -mXRS™. Users can easily program each node on the scalable network for simultaneous, periodic, or burst mode sampling with our Node Commander® software, which then automatically configures network radio communications to maximize the aggregate sample rate.

Microstrain G-Link® -mXRS™ Wireless Accelerometer Node
Applications
  • Condition- based maintenance by wireless sensor networks
  • Smart machines, smart structures, & smart materials
  • Sports performance and sports medicine analysis

Tabs - G-Link

  • Support for hundreds of simultaneous sampling wireless sensor nodes
  • Node to node synchronization of +/- 32 microseconds
  • Ultra-stable on-board precision timing reference of +/- 3 ppm over industrial temperature range
  • Extended wireless communication range to 2 km

On-board accelerometers triaxial MEMs accelerometers, Analog Devices AD22293 (2 g) or ADXL210 (10 g)
Accelerometer range +/-2 g or +/-10 g
Measurement accuracy 10 mg
Resolution 1.5 mg RMS (2 g), 9 mg RMS (10 g)
Temperature sensor -40 °C to 70 °C range, typical accuracy +/-2 °C (at 25 °C)
Anti-aliasing filter bandwidth -3 dB cutoff at 500 Hz (factory adjustable)
Analog to digital (A/D) converter successive approximation type, 12 bit resolution
Data storage capacity 2 megabytes (approximately 1,000,000 data points)
Data logging mode log up to 1,000,000 data points (from 100 to 65,500 samples or continuous) at 32 Hz to 2048 Hz
Sample rates 1/hr - 4 kHz; synchronous mode 1 Hz - 512 Hz
Synchronous sampling mode network capacity transmit real time data from node to PC - rate depends on number of active channels and transmitting nodes.
e.g.: 3 nodes, 1 channel, 512 Hz
15 nodes, 1 channel, 256 Hz
31 nodes, 1 channel, 128 Hz
63 nodes, 1 channel, 64 Hz
127 nodes, 1 channel, 32 Hz
sample rates and # of channels are easily configured within Node Commander® Network Configuration Wizard
Synchronization between nodes +/-32 μsec in synchronous sampling mode with 10 second beacon interval
Synchronous sample rate stability +/-3 ppm
Radio frequency (RF) transceiver carrier 2.4 GHz direct sequence spread spectrum, license free worldwide (2.405 to 2.480 GHz) – up to 16 channels, radiated power programmable from 0 dBm (1 mW) to 20 dBm (100 mW)
RF data packet standard IEEE 802.15.4, open communication architecture
RF data downloading 8 minutes to download full memory
Range for bi-directional RF link programmable communication range from 70m to 2,000m
Internal Li-Ion battery 3.7 volt 250 mAh lithium ion rechargeable battery or external power 3.2 to 9 volts
Power consumption Synchronous sampling (128 Hz) - 2.4 mA, datalogging - 25 mA, sleeping - 0.1 mA
Operating temperature -20 °C to +60 °C with standard internal battery and enclosure, extended temperature range optional with custom battery and enclosure, -40 °C to +85 °C for electronics only
Maximum acceleration limit 500 g
Dimensions 58 mm x 43 mm x 26 mm (enclosure without antenna)
36 mm x 36 mm x 24 mm (circuit board assembly only)
Weight 47 g (with enclosure) 15 g (circuit board assembly only)
Enclosure material ABS plastic
Software Node Commander®, Windows XP/Vista/7 compatible
Compatible base stations WSDA®, WSDA® -Base
FCC ID XJQMSLINK0001
IC ID 8505A-MSLINK0001

 

Patents Pending

 

 

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G-Link +/-10G Accelerometer + WSDA-Base Station Starter Kit
G-Link +/-10G Accelerometer + WSDA-Base Station Starter Kit
Online Price: $1,540.00
Part Numbers: 6305-3000 / 6307-xxxx

Includes:

  • G-Link Sensor (adjust quantity in shopping cart)
  • Base station (select which type on the right)
  • Required cabling
  • Node Commander software
  • Node charger
WSDA-Base Starter Kit (includes software & cables)
G-Link +/-2G Accelerometer + WSDA-Base Station Starter Kit
G-Link +/-2G Accelerometer + WSDA-Base Station Starter Kit
Online Price: $1,540.00
Part Numbers: 6305-2000 / 6307-xxxx

Includes:

  • G-Link Sensor (adjust quantity in shopping cart)
  • Base station (select which type on the right)
  • Required cabling
  • Node Commander software
  • Node charger
WSDA-Base Starter Kit (includes software & cables)