Sensor input channels

Inductive displacement sensor,1 channel

Integrated sensors

Internal temperature, 1 channel

Data storage capacity

2 M bytes (up to 1,000,000 data points, data type dependent)

Sensor excitation

Regulated sine wave, 150 kHz standard

(other frequency options available)

Low-pass filter

250 Hz standard (factory configurable 10 Hz – 20 kHz)

Resolution

12 bit

Signal-to-noise ratio

1,000 to 1 typical

(factory calibrated with DVRT® sensor)

Measurement Range

-40 °C to 85 °C

Accuracy

± 2 °C (at 25 °C) typical

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

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: 3.7 V dc, 250 mAh rechargeable Lithium polymer battery

External: 3.2 V dc to 9.0 V dc

Power consumption

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

Operating temperature

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

Maximum acceleration limit

500 g standard (high g option available)

Dimensions

61 mm x 61 mm x 27 mm

Weight

58 grams

Enclosure material

ABS plastic

Compatible gateways

All WSDA® base stations and gateways

Compatible sensors

All LORD MicroStrain DVRT® sensors. Other inductive displacement transducers possible (contact LORD MicroStrain Technical Support)

Connectors

LORD MicroStrain DVRT® sensor connector

Sensor warm-up time

30 seconds recommended

Software

SensorCloud™, Node Commander®, WSDA® Data

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

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