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Part #IWTTK200A

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  • 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


Standard products are factory configured as below:

J-Type 0°C to +1200°C
K-Type 0°C to +1200°C
RTD Type -200°C to +800°C
Accuracy (Non-linearity & Hysteresis) <±0.1% /FS
Temperature Coefficent ±500ppm/°C
Pressure Housing 316 Stainless Steel
“O” Ring Seals Viton
Wireless Enclosure Material Acetal
Weight 300g including battery
**Installation Position Any
** Consult installation manual to ensure adequate signal path between transmitter and receiver.
Battery Type User replaceable Lithium C cell
Battery Life Five years at 10 second update rate
Battery Shelf Life 10 years
Receiver Part Number Outputs
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 IWRUSB software
IWR-5 5 off 4-20 mA or 1-5 V dc and 1 Relay output
IWR-1 1 off 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
Media Temperature -200ºC to +1200ºC
Op./Ambient Temperature -20ºC to +50ºC
Storage Temperature -20ºC to +80ºC
Humidity 5% to 95% RH non-condensing
Thermal Span Shift <±0.05% /ºC typical
Pressure Transducer See table below
Spare Battery IBAT-1
Receivers See IoT Gateway, IWR-1,
IWR-USB data sheets

*Download free user configuration software here.

Part No. Description Part No. Description
IWTTP100A PT100 6x100mm IWTTJ200A J type 6x200mm
IWTTP150A PT100 6x150mm IWTTJ300A J type 6x300mm
IWTTP200A PT100 6x200mm IWTTJ400A J type 6x400mm
IWTTP250A PT100 6x250mm IWTTK150A K type 6x150mm
IWTTP300A PT100 6x300mm IIWTTK200A K type 6x200mm
IWTTP400A PT100 6x400mm IWTTK300A K type 6x300mm
IWTTK400A K type 6x400mm  


Part No. Description
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

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