Wireless Sensor Transmitter Enclosure (T24-ACMi)

Wireless Sensor Transmitter Enclosure (T24-ACMi) The Wireless Sensor Transmitter Enclosure T24-ACMi offers high performance wireless sensing measurement for strain gauge, current or voltage input sensors. Available with pulse, potentiometer or temperature inputs – see information table Below. Using Mantracourt’s proprietary 2.4 GHz wireless telemetry electronics, the wireless strain gauge signal […]

Wireless Sensor Transmitter Enclosure (T24-ACMi)

The Wireless Sensor Transmitter Enclosure T24-ACMi offers high performance wireless sensing measurement for strain gauge, current or voltage input sensors.

Available with pulse, potentiometer or temperature inputs – see information table Below.

Using Mantracourt’s proprietary 2.4 GHz wireless telemetry electronics, the wireless strain gauge signal conditioning module provides exceptional performance in the field with a battery life of up to 5 years, by ‘powering down’ between transmissions or ‘powering off’ completely.

The T24-ACMi wireless strain gauge signal conditioning module is powered by a pair of alkaline ‘AA’ cells and is environmentally sealed to IP67.

The high accuracy, low noise measurement electronics deliver high resolution, low drift results which can be user calibrated over 9 points to enable linearization and to deliver results in user definable engineering units. The results can be transmitted at rates of up to 200 per second to other wireless sensing T24 devices such as handheld displays, analogue outputs and base stations etc.

The wireless strain gauge signal conditioning module is configured and calibrated (either by applying known inputs or by table entry) using free T24 Toolkit software which runs on a PC connected to a T24 base station.

The module offers a wireless range of up to 800 m (2600 ft) in open field site.

The license free 2.4GHz direct sequence spread spectrum (DSSS) radio technology offers high integrity, error free communications which can co-exist with other wireless technologies such as Wi-Fi, Bluetooth® and Zigbee®. FCC, ETSI and IC approvals.

See the battery life of your wireless sensing system using Battery Life Calculator.

For OEM’s, miniature PCB’s are available for each input. See T24-SA, T24-VA, T24-IA, T24-TA, T24-PA, T24-RA

The Wireless Sensor Strain Gauge Signal Conditioner T24-ACMi is available in 2 other case options see T24-ACM and T24-ACMm.

  • Sealed & water-proofed wireless sensor network unit designed to integrate with strain gauge sensors such as load cells, wireless accelerometer, pressure transducers, displacement sensors and more
  • IP67 enclosure measuring 62 x 80 x 34mm
  • NEW inputs now available – temperature, pulse or potentiometer
  • A complete battery powered module provides up to 800m (2600 ft) range
  • Exceptionally low power for long battery life (up to 5 years)
  • Remote power ‘on’ and ‘off’
  • Easy connectivity with screw terminals for connection to a variety of sensors
  • High speed 200 updates per second
  • High Resolution up to 1 part in 400,000 (18bit)
  • Photos on left showing integration examples with S-Beam load cell and wireless sensor

T24- ACMi

General Radio
Parameter Min Typical Max Units
Licence Licence Excempt
Modulation Method MS (QPSK)
Radio Type Transceiver (2 way)
Data Type 250 K bits/sec
Radio Freqeuncy 2.4000 2.4835 GHz
Power 1 mw
Integral Antenna 100 (325) Metres (feet) **
External Antenna 200 (650) Metres (feet) **
Channels (DSSS) 16
T24-ACMi    
Electrical
Battery Supply Voltage 2.1 3.0 3.6 VDC
Environmental    
IP Rating IP67
Operating Temperature Range* -40 – 65* °C
Storage Temperature Range -40 – 85 °C
Humidity 0 95% RH
T24-SA
Specifications with 100R bridge, 2.25mV/V at 3V supply at 25 Deg C
Strain Gauge excitation System 4 wire
Strain gauge Excitation Voltage 4.5 5 5.25 VDC
Strain Gauge Drive Capacity 85 – 5000 Ohms
Maximum Gauge Sensitivity (FR) 3.2 ±mv/V
Offset Temperature Stability 1 4 ppm/C
Gain Temperature 3 5 ppm/C
Offset Stability with Time 20 80 ppm of FR (1)
Gain Stability with Time 30 ppm of FR (2)
Non Linearity before Linearization 5 25 ppm of FR
Internal Resolution 16,000,000/24 Resolution/Bits
Noise Free where Sample Time < 10mS 50,000/15.5 Resolution/Bits
Noise Free where Sample Time < 50mS 65,000/16 Resolution/Bits
Noise Free where Sample Time < 100mS 150,000/17.25 Resolution/Bits
Noise Free where Sample Time < 1000mS 250,000/18 Resolution/Bits
Noise Free where Sample Time > 1000mS 400,000/18.75 Resolution/Bits
T24-VA
Specifications with 1000R bridge, 2.5mV/V at 3V supply at 25 Deg C
Input Range Sensitivity (FR) 0 – 10 Volts
Gain Temperature Stability – – 50 ppm/C
Non Linearity before Linearization – 5 25 ppm of FR
Internal Resolution 16,000,000/24 – Resolutions/Bits
Internal impedence 100,000 – Ohms
Input Calibration Accuracy – – 0.1 %FR
Noise Free where Sample Time < 10mS 5,000/12.25 Resolutions/Bits
Noise Free where Sample Time < 100mS 8,000/13.0 Resolutions/Bits
Noise Free where Sample Time < 1000mS 11,000/13.5 Resolutions/Bits
Noise Free where Sample Time > 1000mS 15,000/13.75 Resolutions/Bits
T24-IA
Specifications with 100R bridge, 2.5mV/V at 3V supply at 25 Deg C
Input Range Sensitivity (FR) 0 – 21 mA
Calibrated Range 4 – 20 mA
Gain Temperature Stability – – 50 ppm/C
Non Linerarity Before Linearization – 5 25 ppm of FR
Internal Resolution – 16,000,000/24 – Resolution/Bits
Input Impedence – 47 – Ohms
Input Calibration Accuracy – – 0.1 %FR
Noise Free where Sample TIme < 10mS – 5,000/12.5 Resolution/Bits
Noise Free where Sample TIme < 100mS – 6,000/12.75 Resolution/Bits
Noise Free where Sample TIme < 1000mS – 10,000/13.25 Resolution/Bits
Noise Free where Sample TIme > 1000mS – 30,000/14.75 Resolution/Bits
T24-TA
Temperature Range -200 500 °C
Accuracy (-20 to 40 °C) 0.1 0.2 °C
Accuracy (-40 to 80 °C) 0.2 0.35 °C
Internal Resolution 16,000,000/24 Resolution/Bits
Noise Free where Sample TIme < 5mS 13,000/13.5 Resolution/Bits
Noise Free where Sample TIme < 10mS 17,000/14 Resolution/Bits
Noise Free where Sample TIme < 100mS 62,000/16 Resolution/Bits
Noise Free where Sample TIme < 1000mS 158,000/17 Resolution/Bits
T24-PA
Sensor Excitation Voltage 4.5 5 5.25 VDC
Input Range in Time 333 x 10-6 – 2 sec
Input Range in Frequency 0.5 – 3,000 Hz
Input Range in RPM (presuming 1 pulse / rev) 30 – 18,000 RPM
Accuracy % input error @ 1Hz – – 0.15 %
Accuracy % input error @ 1kHz – – 0.175 %
Accuracy % input error @ 2kHz – – 0.2 %
Accuracy % input error @ 3kHz – – 0.25 %
Accuracy Interval Resolved to 0.25 u sec
T24-RA
Sensor Excitation Voltage 2.45 2.5 2.55 VDC
Input Range 500 – 100,000 Ohms
Accuracy – 0.01 % of full scale
Battery Life in Low Power Mode Generating Results at 3HZ
  Useage Battery Life
Pair AA Cells Constant On 1 Month
Pair AA Cells 12 sessions per day of 5 mins 2 Years
Pair D Cells Constant On 2.5 Months
Pair D Cells 12 sessions per day of 5 mins 5 Years

Connecting with our Waycon Linear Potentiometer LRW2/LRW3 For our XTMS Position sensor

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