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STP - Temperature Probe
STP - Temperature Probe

STP - Temperature Probe

Part Number:STP


 Not for Sale, -4

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Sensor Type
1-Wire Connection


Search Terms: STPB3-12, STPBR3-12, STPS3-12, STPSR3-12
  • Wide temperature range probe.
  • 304 stainless steel probe, 3 inches in length. 
  • Stranded cable, 12 foot in length.
  • Pressure tested, water resistant to 60 PSI. 
  • Available with Maxim DS18S20 sensor. 
  • No external power required, or can be optionally powered for fast (non-parasite) operation. 
  • Uses 1-Wire communication protocol. 
  • Compatible with all EDS 1-Wire bus masters. 
  • Chemical resistant steel probe and cable. 
  • Automatic unique device addressing. 
  • Applications Include thermostatic controls, industrial systems, consumer products, thermometers, or any thermally sensitive system.
The STP temperature probe is designed for general-purpose, wide temperature range applications. It is constructed of 304 Stainless Steel, making it both durable and water resistant to 60 PSI. The STP has good chemical resistance properties to acids, alkalis, ketones, esters, aliphatics, aromatics, and outdoor exposure.

While the steel probe is waterproof to 60 PSI, the sensor should not be submerged above the steel probe as the sensor is not waterproof at the cable’s point of entry into the steel tube.

For applications requiring complete submersion, please refer to our model OW-TEMP-B3-12xA  or OW-TEMP-S3-12x  (rugged) temperature probe.

The STP temperature probe is available with a DS18S20 1-Wire temperature sensor embedded into the probe. The STP probe is manufactured using a special process which insures the internal sensor is thermally coupled to the steel tube wall; this helps insure rapid sensor response to changing conditions.

The STP sensor is equipped with cable constructed of Teflon based materials for both the outer jacket and inner conductor insulation and comes standard with stripped leads. (
Please note that if you choose to operate the sensor in parasitically powered mode, you must connect the VDD and GND lines together, per the DS18S20 specifications. When ordered with the optional RJ12 plug, we take the extra steps necessary during the plug installation to properly configure the sensor for parasitically powered operation.)

The STP temperature probes are directly compatible with all Embedded Data Systems and Maxim 1-Wire bus masters, our OneSix server software, and the freely available TMEX drivers. For complete documentation on the embedded DS18S20 sensors, please refer to manufacturer’s spec sheets available at
The RJ12 plug pin outs are as follows:
  • Pin 3: 1-Wire Signal
  • Pin 4: Common/External Power 
The bare leads are as follows:
  • Common (GND): Blue/White
  • 1-Wire Signal: Blue 
  • Ext. Power (VDD): Orange


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