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T24-TA - Wireless Telemetry Temperature Acquisition Module

Image T24-TA

The T24-TA temperature acquisition module is a high performance device designed for OEM integration for the collection and processing of temperature measurements. The wireless module requires an external platinum temperature sensor (Pt100 type 385).

Measuring temperature and periodically transmitting, between transmissions the device can be placed in a power saving sleep mode to conserve batteries. Miniature in size, the wireless temperature PCB transmits on license-free 2.4Ghz, avoiding local radio interference to ensure data integrity and security.

Although this module can be used ‘as is’ for OEM solutions there are a number of enclosure options available. The 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.

Integral antenna option offers up to 800m (2600 ft) range and external antenna options allows up to 800m (2600 ft) range in an open field site. 

The licence free 2.4 GHz direct sequence spread spectrum (DSSS) radio telemetry 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. 


Technical Specifications

T24-TA 

General Radio

  Min  Typical  Max   Units
 Licence    Licence Exempt    
 Modulation Method    MS(QPSK)    
 Radio Type    Transceiver (2 way)    
 Data Rate    250    K bits/sec
 Radio Frequency  2.4000    2.4835  GHz
 Power    1    mw
 Integral Antenna      120 (400)  Metres (feet) *
External Antenna      800 (2600)  Metres (feet) *
Channels (DSSS)   16    
 *Maximum range achieved in open field site with the T24 acquisition module at a height of 3 metres (9.8 feet) above ground and T24-HS held at chest height pointing towards the acquisition module. Specification at 3V supply at 25°C 

T24-TA

Measurement Min Typical Max Units
Temperature Range -20   50 °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
Electrical Min Typical Max Units
Power Supply Voltage 2.1 3.0 3.6 VDC
Power Supply Ripple     50 mV ac pk-pk
Power Min Typical Max Units
Normal Mode (Non Low Power Mode)   55 65 mA
Standby / Low Power Mode   5 20 uA
Environmental Min Typical Max Units
Operating Temperature Range -40   +85 °C
Storage Temperature -40   +85 °C
Humidity 0   95 %RH
Physical   
PCB Dimensions 16.8 x 37.5 x 6.5mm 

   Module transmits and Receives giving: 1. Full error detection and correction 2. Ability to switch to low power modes 3. Calibration & configuration via radio telemetry 4. Ability to be switched from sleep to operating mode via radio 5. Calibration stored within the module 6. Remote battery check


Order Info

T24-TA Module Code
Temperature Acquisition with fitting for External Antenna T24-TAe
Temperature Acquisition with Internal Antenna T24-TAi