Temperature sensing probe for wirelessly transmitting temperature readings from 3 wire PT100 platinum resistance thermometer, J or K type thermocouples.
The IWTT belongs to the IW series of wireless measurement products, and can be used alongside a suite of complementary wireless transmitters for different measurement types, and is fully compatible with all IW series 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.
IoT Gateway Wireless Sensors to 2G 3G 4G Modem Receiver
IWR-PORT Wireless Sensors to Ethernet, RS232 or RS485 Gateway Receiver
IWR-5 Five Channel Wireless Sensor to 4-20mA or 1-5Vdc Output Signal Receiver
IWR-USB Wireless Sensors to USB Gateway Receiver
IWR-1 Single 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
IWTxT Loop Powered 4-20mA Input to Wireless Transmitter
IWmAT 4-20mA Signal Input to Wireless Transmitter
IWTRhT Wireless Ambient Temperature and Relative Humidity Sensor
IWTaT Wireless Ambient Temperature Sensor- 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
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
Related Documents
Wireless Temperature Sensors
Wireless Receivers
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