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Action ULTRA SLIMPAK® G418-0001 RTD Input Field Configurable Isolator

Provides an Isolated, Linearized DC Output in Proportion to an RTD Input.

  • Field Configurable Input Ranges for Platinum and Copper RTDs
  • Eliminates Ground Loops
  • Field Configurable Output Ranges: 0-5V, 0-10V, 0-1mA, 0-20mA and 4-20mA
  • Ultra Slim Housing for High Density Installations
  • Flexible Power Supply Accepts 9 to 30 VDC
  • ASIC Technology for Enhanced Reliability
  • RoHS Compliant


The Ultra SlimPak G418 is a DIN rail mount, RTD input signal conditioner with 1800VDC isolation between input, output and power. The field configurable input and output offers flexible, wide ranging capability for Platinum and Copper RTDs.

The G418 can be configured for any one of up to 16 temperature ranges (see Tables 1 & 2). The output is linear to the RTD temperature input and can be set for either 0-5V, 0-10V, 0-1mA, 0-20mA or 4-20mA.

Wide ranging, precision zero and span pots allow 50% adjustablity of offset and span turn-down within each of the switch selectable ranges. For example, the 0-500 F range could be offset and turned down to provide a 4-20mA signal representing 0-250 F (or 250-500 F).

Three way isolation in the G418 completely eliminates ground loops from any source. Isolation protects expensive SCADA systems from ground faults and significantly reduces the effect of high common mode voltages which are prevalent in many RTD applications.

The constant current RTD excitation circuitry uses the third lead of the RTD to sense and compensate for the RTD lead resistance, resulting in an accurate RTD temperature measurement.

High density DIN rail mounting offers an extremely compact solution for saving valuable panel space.

Click here for the complete information in .pdf format


CTH Controls Inc.   CTH Controls Inc.
6-1500 Upper Middle Rd. W. Suite 220
Oakville, ON, Canada, L6M 0C2
Phone: 905-792-6829
Toll Free: 1-888-550-6829
Fax: 905-792-6902
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