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G-Link® Wireless Accelerometer Node
Triaxial accelerometers combined with datalogging transceiver for use in high speed
wireless sensor networks.
Features and Benefits
- 2.4 GHz direct sequence spread spectrum radio is license free worldwide
- IEEE 802.15.4 open communication architecture
- supports simultaneous streaming from multiple nodes to PC
- Available with 2g or 10g range
- Datalogging rates up to 2048 Hz
- Real-time streaming rates up to 4 KHz
- On-board memory stores up to 1,000,000 measurements
- communication range up to 70m line-of-sight, 300m with high gain antennas
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Low power consumption for extended use
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Description
Combining MEMS accelerometers with MicroStrain's award-winning
Micro Datalogging Transceiver systems, G-Link® is a
high speed, triaxial accelerometer node, designed to operate as
part of an integrated wireless sensor network system.
Featuring 2 KHz sweep rates, combined with 2 Mbytes of
flash memory, these little nodes pack a lot of power in a small
package. Every node in the wireless network is assigned a
unique 16 bit address, so a single host transceiver can address
thousands of multichannel sensor nodes.
The bi-directional RF communications link can trigger a sample
to be logged from 70 meters, or request real-time data to
be transmitted to the host PC for data acquisition/analysis.
The frequency agile system enables simultaneous real-time
streaming from up to 16 nodes in the 2.4 GHz range.
Available in 2g or 10g range, these small, fast, wireless
accelerometers can be used to monitor tilt and vibration in a
wide range of machines and structures.
A Software Development Kit is available, which includes fullycommented
source code and a compiled executable for:
Microsoft® C++ 6.0, Microsoft® Visual Studio C++ .NET 7.1,
Microsoft® VB 6.0, Microsoft® VB.NET 2003, Microsoft® VB.NET
2005 and LabVIEW® 7.1.
April 19, 2007
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Applications
Inclination and vibration testing, control
Security systems enabled by wireless sensor networks
Assembly line testing with "smart packaging"
Sports performance and sports medicine analysis
Condition-based maintenance by wireless sensor networks
Smart machines, smart structures and smart materials
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On-Board Accelerometers |
Triaxial MEMS accelerometers, Analog Devices ADXL202 or ADXL210 |
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Accelerometer Range |
± 2g or ± 10g |
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Measurement Accuracy |
10 mg |
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Resolution |
200 µg / vHz |
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Shock Limit |
500g |
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Analog to Digital (A/D) Converter |
Successive approximation type, 12 bit resolution |
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Data Storage Capacity |
2 megabytes (approximately 1,000,000 data points) |
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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 |
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Sensor event driven trigger |
Commence datalogging when threshold exceeded |
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Real-time streaming mode |
Transmit real time data from node to PC - rate depends on number of active channels:
1 channel - 4 KHz,
2 channels - 2 KHz,
3 channels - 1.33 KHz,
4 channels (including temp.) - 1 KHz |
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Low duty-cycle mode |
Supports multiple nodes on single RF channel, total update bandwidth of 500 Hz divided
by number of nodes |
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Synchronization between
nodes |
Datalogging 100 µsec ± 50 ppm. LDC mode time
stamped at PC |
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Sample rate stability |
Datalogging and LDC (mode(2Hz to 500Hz) 100
µsec ± 25 ppm (90 msec/hour) LDC mode (1 Hz to
2 samples per hour) ± 10% |
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Radio Frequency (RF)Transceiver Carrier |
2.4 GHz direct sequence spread spectrum, license free worldwide (2.450 to 2.490
GHz) - 16 channels |
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RF Data Packet Standard |
IEEE 802.15.4, open communication architecture |
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RF Programming and Downloading |
8 minutes to download full memory
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Range for Bi-Directional RF Link |
70 m line-of-sight, up to 300 m with optional high gain antenna |
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Internal Li-Ion Battery |
3.7 volt lithium ion rechargeable battery, 200 mAh
capacity. Customer may supply external power
from 3.2 to 9 volts |
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Power Consumption |
Real-time streaming - 25 mA, datalogging - 25 mA, sleeping - 0.5 mA |
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Operating Temperature |
-20 to +60˚C with standard internal battery and enclosure, extended temperature
range optional with custom battery and enclosure. -40 to +85˚C for electronics
only |
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Dimensions |
58 mm x 43 mm x 26 mm without antenna
(board only 36 mm x 36 mm x 24 mm) |
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Weight |
46 grams |
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Case |
ABS plastic |
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Software |
Agile-Link™ Windows XP® compatible |
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PC Comm |
Serial port, 115.2 kBaud |
Patents Pending
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General Documentation
Mechanical Prints
Technical Notes
FAQ's
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G-Link® Starter Kits
MicroStrain has identified your location as
United States. If this is incorrect please contact
sales at 802-862-6629 or sales@microstrain.com
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G-Link +/-2G Accelerometer, USB Base station Starter Kit
G-LINK-2G-2400-SK2
Includes
(2) G-Link-2G-2400-M, (1) USB base station, (1) USB cable, (1) antenna, (1) power supply, Windows XP compatible software
Part Number: 6305-0042
Online price: $2095.00
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G-Link +/-10G Accelerometer, USB Base station Starter Kit
G-LINK-10G-2400-SK2
Includes
(2) G-Link-10G-2400-M, (1) USB base station, (1) USB cable, (1) antenna, (1) power supply, Windows XP compatible software
Part Number: 6305-1042
Online price: $2095.00
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G-Link +/-2G Accelerometer, Analog Output Base station Starter Kit
G-LINK-2G-2400-SKA
Includes
(1) G-Link-2G-2400-M, (1) Analog output base station, (1) Analog base station power supply, (1) antenna, Windows XP compatible software
Part Number: 6305-0011
Online price: $2145.00
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G-Link +/-10G Accelerometer, Analog Output Base station Starter Kit
G-LINK-10G-2400-SKA
Includes
(1) G-Link-10G-2400-M, (1) Analog output base station, (1) Analog base station power supply, (1) antenna, Windows XP compatible software
Part Number: 6305-1011
Online price: $2145.00
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