Temperature Transmitter
STC Series

Stauff_Temp Switch_STC

Product Description
The STC temperature transmitter is designed for in process temperature measurement in low pressures. This unit features an all stainless steel construction, a 50mm or 100mm stem length with 1/4 NPT process connection, and a 4-20mA output. The user can select the exact temperature range they require at time of order, or they can select a fixed temperature range.


  • Stainless steel construction
  • 4-20mA output
  • Customer specified temperature range -58°F to +392°F (-50 to +200°C)
  • L-Plug DIN 175301-803A electrical connection
  • Environmental protection rating of IP 65
  • 1/4 NPT process connection
  • 50mm and 100mm stem lengths


  • 0-10 V available output
  • 0-50°C, 0-100°C, and 0-120°C fixed measuring ranges available
  • M12x1 electrical connection available
  • 1/2 NPT, 1/4 BSP, and 1/2 BSP available thread connections
  • 75mm, 100mm, 160mm, and 200mm stem lengths available (custom upon request)
  • Available with an adjustable compression ring version for variable stem length




Materials Housing Stainless Steel 1.4571 (316 Ti)
Process Connection
Output Signal and
Supply Voltage
  Signal Output Supply Voltage
4-20mA, 2 wire 10-30 V DC, ripple <10%
0-10 V, 3 wire 12-30 V DC, ripple <10%
Error Signal   23mA Sensor Burnout
3.3 mA Sensor Short Circuit
Accuracy STC-0/XXX 0.5% of Measuring Range
STC-MIN/MAX 0.2% (Related to Maximum Temperature Range)
Temperature Range   -58°F up to 392°F (-50°C up to +200°C)
Measuring Range
(selected range)
  Minimum Range Maximum Range
STC-0/XXX 50k 250k
STC-MIN/MAX 30K Temperature Range
Thread Connections   1/4 NPT, 1/2 NPT, 1/4 BSP, and 1/2 BSP
Electrical Connections   L-Plug acc. To DIN EN 175301-803 form A
M12x1, 4-pin
Stem Length and
Pressure Ranges¹
STC-0/XXX 50 to 500 mm: up to 580 PSI [40 BAR]
STC-MIN/MAX 50 to 1,000 mm: up to 580 PSI [40 BAR]
Ambient Temperature   185°F [85°C] Max
Storage Temperature   -40°F up to 185°F [-40°C up to +85°C]
EMC-Resistance   Emitted Interference acc. DIN EN 61326
Breakdown Effect acc. To DIN EN 61326
Protection Class   IP 65 with L-Plug Connection
IP 67 with M12x1 Connection
Weight   Approx 0.31lbs (0.14 kg) (Dependent on Stem Length)

¹ - Pressure ranges refer to static pressure.