S2-21

S2-21 is a series S2-2 general purpose surface temperature assembly. Ideal for monitoring the temperature of indoor distribution lines when it is not possible to penetrate the pipe. The plastic housing is in the shape of a standard junction box with multiple knockouts for easy conduit access. The strap-on connection quickly wraps around a pipe and can be securely tightened using a flat head screw driver.

• PT100 ohm RTD temperature sensor
• Accuracy of ±0.6% at 32°F (0°C)
• Operating temperature range from -32 to 240°F (-35.5 to 115.5°C)
• Copper conductor probe
• Strap-on to pipe mounting (fits 2 to 5" pipe sizes)
• Multiple conduit hole