52 dual-metal thermometer
Diameter 23,33,40,50,63,80,100,160
Accuracy 2 (23 - 50), 1 (50 - 160)
Manufacturing methods with a thread of exploration -
Measurement range -30 to +50 .. 0 .. +500
Media contact with stainless steel
Interface size diameter 25,33 M8; 40 G1/8B
  50 G1/4B; 63 above G1/2B
Stainless steel casing