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T24 Wireless Transmitter modules connect directly to a Strainsert sensor. They provide strain excitation, signal measurement, ADC conversion, and transmission of reading data to a T24 Wireless Receiver.

• Wireless range up to 800 m (2,600 ft).
• Internal batteries (2 AA Cells).
• 80 mm (3.1 in) x 62 mm (2.4 in) x 34 mm (1.3 in).
• Environmentally Rated, IP 67.
Unit of Measure

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 2.2ppm/°F)

Stability with Temperature, Gain

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

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

Power Supply ripple

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

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

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

 N/A 3.5 months (Constantly on) / 5 years (12 sessions/day at 5 minutes per session)