21S Head with Indicator

Stainless steel bodied enclosure with integrated loop powered temperature indicator.


Burns #21 & #24: Stainless Steel Indicator Heads
This stainless steel head includes a 4 digit temperature indicator and is rated NEMA 4X and IP67. The #21S is a loop
powered LED display and requires a Burns T51 or T55 transmitter to provide the temperature signal. The #24S is a
battery powered LCD display that connects directly to the sensor wires.
• ½” NPT sensor connection and ½” NPT conduit connection where applicable.
• Accepts RTD or Thermocouple sensor inputs.
• Works with: Series 100, 200, 300; Sensor Styles A, B, C, L,
and all Series S sensors