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IWTT Wireless Battery Powered Temperature Sensor

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IWTT Wireless Battery Powered Temperature Sensor

Temperature sensing probe for wirelessly transmitting temperature readings from 3 wire PT100 platinum resistance thermometer, J or K type thermocouples.

Contents

  • Product Features
  • Product Description
  • Wireless Receivers
  • Related Wireless Transmitter Types
  • Product Specifications
    • Temperature Ranges
    • Performance
    • Power Source
    • Wireless Transmission
    • Environmental Limits
    • Materials
  • Part Numbers
    • Temperature Sensor Options
      • PT100 Probe with 1/4 BSP thread
      • PT100 Probe with 1/4 NPT thread
      • Thermocouple Probe with 1/4 BSP
      • Thermocouple Probe with 1/4 NPT
      • Temperature Transmitter Nodes without probe
    • Receiver Options
    • Accessories
  • Dimensional Drawing
  • Related Documents
    • Wireless Temperature Sensors
    • Wireless Receivers

Product Features

  • K or J Type Thermocouples
  • PT100 RTD Sensors
  • 6 mm stainless steel sheath
  • Up to 500 m line-of-site range (depending on receiver)
  • Five year battery life at 10 second transmission update rate
  • Simple DIL switch pairing with the single or five channel receiver
  • Single, five and multi-channel channel receivers available (up to 128)
  • User-selectable transmission update rates
  • Analog digital, RS-232/485, Ethernet & USB receiver outputs
  • Receiver clean contacts provide process alarm functions

Product Description

The IWTT wireless temperature sensor is battery powered and can be installed up to 500m away from the wireless receiver unit.

The temperature probe diameter is 6mm, and probe lengths can be selected from 100mm up to 600mm. It is also possible to utilise your own custom platinum resistance thermometer or thermocouple with the IWTT-Node wireless temperature transmitter.

Each wireless temperature sensor is compatible with a choice of wireless receivers to transmit the temperature readings via an analogue output, Ethernet TCP connection, RS232/RS485 Modbus RTU serial interface, or a 2G/3G/4G mobile cellular network.

Wireless Receivers

Browse through the product family of compatible wireless receivers for combining with the IWTT wireless temperature sensor to build a complete wireless measurement system.

  • IWR-PORT Wireless to Ethernet, RS232 or RS485 Gateway Receiver IWR-PORT Wireless Sensors to Ethernet, RS232 or RS485 Gateway Receiver
  • IoT Gateway Wireless Sensors to 2G 3G 4G Modem Receiver
  • IWR-USB Wireless Sensors to USB Gateway Receiver
  • IWR-1 Single Channel Wireless Sensor to 4-20mA or 1-5Vdc Output Signal Receiver
  • IWR-5 Five Channel Wireless Sensor to 4-20mA or 1-5Vdc Output Signal Receiver

Related Wireless Transmitter Types

Monitor other measurement parameters from the following range of system compatible wireless transmitters, which are all compatible with the same range of wireless receivers.

  • IWPT Wireless Battery Powered Pressure Sensor and Receiver
  • IWTaT Wireless Ambient Temperature Sensor
  • IWTRhT Wireless Ambient Temperature and Relative Humidity Sensor
  • IWTxT Loop Powered 4-20mA Input to Wireless Transmitter Converter IWTxT Loop Powered 4-20mA Input to Wireless Transmitter
  • IWmAT 4-20mA Signal Input to Wireless Transmitter
  • IWVT 0-10Vdc Signal Input to Wireless Transmitter
  • IWDigT Switch or Pulse Input to Wireless Transmitter
  • IWCTT Current Transformer mV ac Signal Input to Wireless Transmitter Converter IWCTT Current Transformer mV ac Signal Input to Wireless Transmitter

Product Specifications

Temperature Ranges

  • J-Type 0°C to +1200°C
  • K-Type 0°C to +1200°C
  • RTD Type -200°C to +800°C

Performance

  • Accuracy (Non-linearity & Hysteresis): 0.1% /FS
  • Temperature Coefficient: 500ppm/°C
  • Thermal Span Shift: 0.05% /ºC typical

Power Source

  • Battery Type: User replaceable Lithium C cell
  • Battery Life: Five years at 10 second update rate
  • Battery Shelf Life: 10 years

Wireless Transmission

  • Transmission Frequency: 2.4 Ghz IEEE 802.15.4, compliant with EN 300 328, V1.8.1
  • Transmit Power: 18 dBm
  • System Channel: User selectable via DIL switch
  • Antenna: Integral 0dBi

Environmental Limits

  • Media Temperature: -200ºC to +1200ºC
  • Operating/Ambient Temperature: -20ºC to +50ºC
  • Storage Temperature: -20ºC to +80ºC
  • Humidity: 5% to 95% RH non-condensing

Materials

  • Probe Sheath: 316 Stainless Steel
  • O Ring Seals: Viton
  • Wireless Enclosure Material: Acetal
  • Weight: 300g typical including battery
  • Installation Position: Any within range

Part Numbers

Temperature Sensor Options

PT100 Probe with 1/4 BSP thread

  • IWTTP100A – PT100 6x100mm
  • IWTTP150A – PT100 6x150mm
  • IWTTP200A – PT100 6x200mm
  • IWTTP250A – PT100 6x250mm
  • IWTTP300A – PT100 6x300mm
  • IWTTP400A – PT100 6x400mm

PT100 Probe with 1/4 NPT thread

  • IWTTUP100A – PT100 6x100mm
  • IWTTUP150A – PT100 6x150mm
  • IWTTUP200A – PT100 6x200mm
  • IWTTUP250A – PT100 6x250mm
  • IWTTUP300A – PT100 6x300mm
  • IWTTUP400A – PT100 6x400mm

Thermocouple Probe with 1/4 BSP

  • IWTTJ200A – J type 6x200mm
  • IWTTJ300A – J type 6x300mm
  • IWTTJ400A – J type 6x400mm
  • IWTTK150A – K type 6x150mm
  • IIWTTK200A – K type 6x200mm
  • IWTTK300A – K type 6x300mm
  • IWTTK400A – K type 6x400mm

Thermocouple Probe with 1/4 NPT

  • IWTTUJ200A – J type 6x200mm
  • IWTTUJ300A – J type 6x300mm
  • IWTTUJ400A – J type 6x400mm
  • IWTTUK150A – K type 6x150mm
  • IIWTTUK200A – K type 6x200mm
  • IWTTUK300A – K type 6x300mm
  • IWTTUK400A – K type 6x400mm

Temperature Transmitter Nodes without probe

  • IWTT-Node-J – Temperature transmitter J-type wireless 2.4GHz
  • IWTT-Node-K – Temperature transmitter K-type wireless 2.4GHz
  • IWTT-Node-PT – Temperature transmitter PT100-type wireless 2.4GHz

Receiver Options

  • IoT Gateway – Built-in cellular modem allows all data to be sent to remote servers
  • IWR-PORT – RS-232 or RS-485 or Ethernet MODBUS Communications. Up to 128 off analog 4-20 mA or Relay outputs can be obtained by fitting extra ISOSLICE I/O modules
  • IWR-USB – Displays & Logs data on any PC running IWR-USB software
  • IWR-5 – 5 channel 4-20 mA or 1-5 V dc and 1 Relay output ***
  • IWR-1 – 1 channel 4-20 mA and 1-5 V dc and 1 Relay output ***

***Transmission Update Rate 1, 5, 10 and 30 seconds
Consult installation manual for set-up:
Single channel system is DIL switch configurable
Five channel system requires set-up using “IWR Set” user software

Accessories

  • IWR-Set – 5 channel configuration software
  • IBAT-1 – spare battery

Dimensional Drawing

IWTT Dimensional Drawing

Related Documents

Wireless Temperature Sensors

  • IWTT data sheet
  • IWTTU data sheet

Wireless Receivers

  • IWR-1 data sheet
  • IWR-5 data sheet
  • IWR-USB data sheet
  • IoT Gateway data sheet
  • IWR-PORT data sheet

Request Product Price

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Wireless Transmitters
Analogue Signal Input*
Process Connection*
Pressure Ranges (bar)*
Pressure Ranges (psi)*
Length of PT100 Probe*
Length of type J T/C Probe*
Length of type K T/C Probe*
Wireless Receivers
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