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Item # T24-ACMi, T24 Wireless Transmitters


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.





Specifications

Bridge Measurement
4-wire

Bridge Excitation Voltage
4.5 to 5.25 (5 typical) VDC

Bridge Resistance
85 to 5000 (350, typical) Ohms

Bridge Sensitivity
-3 to 3 (2.5, typical) mV/V

Stability with Temperature, Offset
1 to 4 ppm/°C (0.6 to 2.2ppm/°F)

Stability with Temperature, Gain
3 to 5 ppm/°C (1.7 to 2.8ppm/°F)

Stability with Time, Offset
80, maximum (20, typical) ppm/F.R.

Stability with Time, Gain
30, maximum (first year) ppm/F.R.

Non-Linearity before Linearization
25, maximum (5, typical) ppm/F.R.

Internal Resolution
16 Million

Noise Free where Sample Time < 10ms
50,000 counts/divisions

Noise Free where Sample Time < 50ms
65,000 counts/divisions

Noise Free where Sample Time < 100ms
150,000 counts/divisions

Noise Free where Sample Time < 1000ms
250,000 counts/divisions

Noise Free where Sample Time > 1000ms
400,000 counts/divisions

Standby/Low Power Mode
20, maximum (5, typical) µA

Power Supply Voltage
2.1 to 3.6 (3, recommended) VDC / 5 to 18 (T24-ACM on optional external power)

Power Supply ripple
50, maximum mVAC PK-to-PK

Power Supply current
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.)
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.)
3.5 months (Constantly on) / 5 years (12 sessions/day at 5 minutes per session)