diff --git a/tcl/fw.config b/tcl/fw.config
index 94618aa..44007d3 100644
--- a/tcl/fw.config
+++ b/tcl/fw.config
@@ -8,6 +8,7 @@ makenv tt -driver 340_lsc -port @lsc340a {
   lsc_sensor ts C -sensor type-c-k1000 -sensorname sample -alarm 1805
   lsc_sensor t2 D -sensor type-c-k1000 -sensorname t2 -alarm 1805
   # lsc_sensor te B -sensor rhfe4140 -sensorname outer -alarm 323
+  lsc_sensor te B -sensor pt1000e -sensorname outer -alarm 323
   lsc_sensor p A -sensor vacuum -sensorname vacuum
   lsc_loop set -loop 1 -channel C -maxheater 0.05A -resist 1000Ohm -linearpower 3000
   hsetprop /tt dblmode disabled