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The Strainsert Wireless Load Pin is a high-performance wireless telemetry solution where wired installation may be difficult, cost prohibitive, or undesirable. The system provides long battery life along with high measurement accuracy, resolution, and stability.
Software tools are included for quick and convenient interfacing with device configuration, calibration, datalogging, and recording. Contact Strainsert Engineering for system design assistance.
Design options may include standard and/or custom components, systems integration, and software development.
Unit of Measure

Features & Benefits

N/A License free 2.4GHz telemetry.
Transmission range up to 800 m (2,600 ft).
Long battery life.
Ideal for single or multiple sensor systems.
Clevis pin or Shackle Bolt with attached wireless transmitter.
Transmitter is made to fit either custom or standard clevis pins.
Software tools included

Applications

N/A Aerospace
Industrial
Weighing
Automotive
Construction
Energy

Wireless Load Pin Diagram


Wireless Load Pin Diagram

General Specifications

Temperature Range, Operating

 N/A -20 to 55 °C (-4 to 131 °F)

Temperature Range, Storage

 N/A 40 to 85 °C (-40 to 185 °F)

Humidity

 N/A 0 to 95 %RH

Wireless Data transmission rate

 N/A 250,000 bps

Wireless Data transmission interval

 N/A 5, minimum (333 typical) msec

RF Frequency Range

 N/A 2.4000 - 2.4835 GHz

RF Transmit Power

 N/A 10 mW

RF Channels (DSSS)

 N/A 15 channels

Transmitter Specifications

Bridge Measurement

 N/A 4-wire

Bridge Excitation Voltage

 N/A 4.5 to 5.25 (5 typical) VDC

Bridge Resistance

 N/A 85 to 5000 (350, typical) Ohms

Bridge Sensitivity

 N/A -3 to 3 (2.5, typical) mV/V

Stability with Temperature, Offset

 N/A 1 to 4 ppm/°C (0.6 to 2.2 ppm/°F)

Stability with Temperature, Gain

 N/A 3 to 5 ppm/°C (1.7 to 2.8 ppm/°F)

Stability with Time, Offset

 N/A 80, maximum (20, typical) ppm/F.R

Stability with Time, Gain

 N/A 30, maximum (first year) ppm/F.R

Non-Linearity before Linearization

 N/A 25, maximum (5, typical) ppm/F.R.

Internal Resolution

 N/A 16 Million

Noise Free where Sample Time < 10ms

 N/A 50,000 counts / divisions

Noise Free where Sample Time < 50ms

 N/A 65,000 counts / divisions

Noise Free where Sample Time < 100ms

 N/A 150,000 counts / divisions

Noise Free where Sample Time < 1000ms

 N/A 250,000 counts / divisions

Noise Free where Sample Time > 1000ms

 N/A 400,000 counts/divisions

Standby/Low Power Mode

 N/A 20, maximum (5, typical) µA

Power Supply ripple

 N/A 50, maximum mVAC PK-to-PK

Power Supply voltage

 N/A 2.1 to 3.6 (3, recommended) and 5 to 18 (T24-ACM on optional external power) VDC

Power Supply current

 N/A 65, maximum (60, typical max. with 1000 Ohm Bridge) mA

Battery Life expectancy, 2 AA cells (Low power mode. 3 Hz transmission rate. 350 Ohm Bridge.)

 N/A 3 (Constantly on) weeks / 2 (12 sessions/day at 5 minutes per session) years