| MicroStrain by HBK

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The SG-Link® -RGD -LXRS® ia a versatile, ruggedized four-channel analog sensor node with integrated triaxial accelerometer.

Product Highlights

Four analog input channels, integrated three-axis accelerometer, and an internal temperature sensor
Integrated strain sensor signal conditioning, embedded processing, and environmentally hardened form factor ideal for permanently mounting over strain gauges
Supports conventional bonded foil, piezoelectric-resistive, Wheatstone bridge, and modular Columbia Research
Labs-type strain gauges
Integrated triaxial accelerometer with MEMS technology and +/- 16 g range
User-programmable sample rates up to 4096 Hz

LORD MicroStrain® LXRS® Wireless Sensor Networks enable simultaneous, high- speed sensing and data aggregation from scalable sensor networks. Our wireless sensing systems are ideal for sensor monitoring, data acquisition, performance analysis, and sensing response applications.

The gateways are the heart of the LORD MicroStrain wireless sensing system. They coordinate and maintain wireless transmissions across a network of distributed wireless sensor nodes . The LORD MicroStrain LXRS wireless communication protocol between LXRS nodes and gateways enable high- speed sampling, ±32 microseconds node- to- node synchronization, transmission range up to 2 kilometers, and lossless data throughput under most operating conditions.
Users can easily program nodes for data logging, continuous, and periodic burst sampling with the Node Commander ® software. The web- based SensorCloud™ interface optimizes data aggregation, analysis, presentation, and alerts for gigabytes of sensor data from remote networks.

The SG-Link® -RGD -LXRS® ia a versatile, ruggedized four-channel analog sensor node with integrated triaxial accelerometer.

Product Highlights

Four analog input channels, integrated three-axis accelerometer, and an internal temperature sensor
Integrated strain sensor signal conditioning, embedded processing, and environmentally hardened form factor ideal for permanently mounting over strain gauges
Supports conventional bonded foil, piezoelectric-resistive, Wheatstone bridge, and modular Columbia Research
Labs-type strain gauges
Integrated triaxial accelerometer with MEMS technology and +/- 16 g range
User-programmable sample rates up to 4096 Hz

Datasheet Software

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General
Sensor input channels	RHT sensor input, 1 channel each (temperature and humidity) 0 to 5 V dc inputs, 3 channels
Data storage capacity	2 M bytes (up to 500,000 data points)
Relative Humidity and Temperature (RHT) Sensor Input
Measurement range	0 to 100 % RH, -40 °C to 123 °C
Accuracy (RH)	± 2 % (10 to 90 % RH), ± 4 % ( 0 to 10% RH and 90 to 100% RH)
Accuracy (temperature)	± 0.3 °C typical
Resolution	12 bit
0 to 5 V DC inputs
Measurement range	0 to 5 V dc
Accuracy	0.01 % typical (absolute accuracy)
Resolution	24 bit
Sensor excitation	2 or 3 V dc (user selectable)
Sampling
Sampling modes	Synchronized, low duty cycle, datalogging
Sampling rates	Continuous sampling: 1 sample/hour to 2 Hz Datalogging:1 sample/hour to 2 Hz
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.A.- limited to 10 dBm (10 mW)
RF communication protocol	IEEE 802.15.4
Range for bi-directional RF link	70 m to 2 km line of sight with RF power setting
Power source	Internal: size D-cell 3.6 V dc Lithium thionyl chloride batteries (included), or size D-cell 1.5 V dc alkaline batteries (user supplied); External: 0.9 V dc to 6.0 V dc
Power consumption	See power profile :http://files.microstrain.com/ENV-Link-Mini- LXRS-Power-Profile.pdf
Operating temperature	-40 ˚C to + 85 ˚C (with Lithium thionyl chloride batteries)
Physical Specifications
Dimensions	150 mm x 53 mm x 100 mm
Weight	298 grams
Environmental rating	IP67
Enclosure material	polycarbonate
Integration
Compatible gateways	All WSDA® base stations and gateways
Compatible sensors	RHT input: LORD MicroStrain® RHT sensor 0 to 5 V dc inputs: pyranometer, photosynthetic photon flux, soil moisture, and leaf wetness sensors (available from LORD MicroStrain® ), thermocouples, rain and strain gauges, anemometers, and other 0 to 5 V dc sensors
Connectors	M9 screw-on IP67 connector
Software	SensorCloud™, Node Commander®, WSDA® Data Downloader, Live Connect™, Windows XP/Vista/7 compatible
Software development kit (SDK)	Data communications protocol available with EEPROM maps and sample code (OS and computing platform independent) http://www.microstrain.com/software-development-kits-sdks
Regulatory compliance	FCC (U.S.), IC (Canada), ROHS

General

Sensor input channels

RHT sensor input, 1 channel each

(temperature and humidity)

0 to 5 V dc inputs, 3 channels

Data storage capacity

2 M bytes (up to 500,000 data points)

Relative Humidity and Temperature (RHT) Sensor Input

Measurement range

0 to 100 % RH, -40 °C to 123 °C

Accuracy (RH)

± 2 % (10 to 90 % RH), ± 4 % ( 0 to 10% RH and 90 to 100% RH)

Accuracy (temperature)

± 0.3 °C typical

Resolution

12 bit

0 to 5 V DC inputs

Measurement range

0 to 5 V dc

Accuracy

0.01 % typical (absolute accuracy)

Resolution

24 bit

Sensor excitation

2 or 3 V dc (user selectable)

Sampling

Sampling modes

Synchronized, low duty cycle, datalogging

Sampling rates

Continuous sampling: 1 sample/hour to 2 Hz

Datalogging:1 sample/hour to 2 Hz

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.A.- limited to 10 dBm (10 mW)

RF communication protocol

IEEE 802.15.4

Range for bi-directional RF link

70 m to 2 km line of sight with RF power setting

Power source

Internal: size D-cell 3.6 V dc Lithium thionyl chloride batteries (included), or size D-cell 1.5 V dc alkaline batteries (user supplied); External: 0.9 V dc to 6.0 V dc

Power consumption

See power profile :http://files.microstrain.com/ENV-Link-Mini- LXRS-Power-Profile.pdf

Operating temperature

-40 ˚C to + 85 ˚C (with Lithium thionyl chloride batteries)

Physical Specifications

Dimensions

150 mm x 53 mm x 100 mm

Weight

298 grams

Environmental rating

IP67

Enclosure material

polycarbonate

Integration

Compatible gateways

All WSDA® base stations and gateways

Compatible sensors

RHT input: LORD MicroStrain® RHT sensor

0 to 5 V dc inputs: pyranometer, photosynthetic photon flux, soil moisture, and leaf wetness sensors (available from LORD MicroStrain® ), thermocouples, rain and strain gauges, anemometers, and other 0 to 5 V dc sensors

Connectors

M9 screw-on IP67 connector

Software

SensorCloud™, Node Commander®, WSDA® Data

Downloader, Live Connect™, Windows XP/Vista/7 compatible

Software development kit (SDK)

Data communications protocol available with EEPROM maps and sample code (OS and computing platform independent) http://www.microstrain.com/software-development-kits-sdks

Regulatory compliance

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

General
Sensor input channels	Differential analog, 4 channels
Integrated sensors	Triaxial MEMS accelerometer, 3 channels Internal temperature, 1 channel
Data storage capacity	2 M bytes (up to 1,000,000 data points, data type dependent)
Analog Input Channels
Measurement range	Differential: full-bridge, ≥ 350 Ω (factory configurable)
Accuracy and resolution	± 0.1% full scale typical, 16 bit resolution
Anti-aliasing filter bandwidth	Single-pole Butterworth -3 dB cutoff @ 250 Hz
Bridge excitation voltage	+2.7 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 104 to 1800
Integrated Accelerometer Channels
Measurement range	± 16 g
Accuracy and resolution	± 4 mg, 13 bit resolution
Integrated Temperature Channel
Measurement range	-40 °C to 85 °C
Accuracy and resolution	± 2 °C (at 25 °C) typical, 16 bit resolution
Sampling
Sampling modes	Synchronized, low duty cycle, datalogging
Sampling rates	Continuous sampling: 1 sample/hour to 512 Hz Periodic burst sampling: 32 Hz to 4096 Hz Datalogging: 32 Hz to 4096 Hz
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	70 m to 2 km line of sight with RF power setting
RF communication protocol	IEEE 802.15.4
Power source	Replaceable 3.7 V dc, 1.7 Ah Tadiran TL-5935 1/6 D-cell battery
Power consumption	960 uA ( 3.46 mW) @ 3.6 V dc, 32 HZ, 3 ch, no duty cycling 10.6 mA (38.16 mW) @ 3.6 V dc, 256 Hz, 3 ch, no duty cycling 4.0 mA (14.4 mW) @ 3.6 V dc, 256 Hz, 1 ch, no duty cycling
Operating temperature	-40 ˚C to + 85 ˚C
Acceleration limit	500 g standard (high g option available)
Physical Specifications
Dimensions	101 mm x 46 mm x 26 mm
Weight	150 g (including battery)
EMI/EMC rating	MIL-STD-461F
Enclosure material	Clear polycarbonate
Integration
Compatible gateways	All WSDA® base stations and gateways
Compatible sensors>	Bridge type analog sensors
Connectors	Flex cable terminal/solder pads (flex cable included)
Shunt calibration	Internal shunt calibration resistor 499 KΩ, differential channels<
Software<	SensorCloud™, SensorConnect™, Node Commander®, Windows 7 (or newer)
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), ROHS

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