Overview
The Omega PR-11-2-100-1/4-6-E RTD probe is a general-purpose temperature sensor designed for precise measurement in industrial applications. This immersion-style probe features a high-accuracy, wire-wound 100 Ω platinum element meeting Class “A” DIN specifications per IEC 751, with a temperature coefficient of 0.00385 Ω/Ω/°C. The compact 1/4″ diameter sheath and 6″ sensing length make it suitable for many process monitoring scenarios.
Key Features
- 100 Ohm platinum element with Class A accuracy (±0.15°C at 0°C)
- Metal strain relief transition for enhanced durability at the lead wire junction
- 304 stainless steel sheath for corrosion resistance
- 36 feet of PFA-coated lead wire with stripped termination
- Three-wire configuration for optimal measurement accuracy
- Operating range -30°C to 350°C (-22°F to 662°F)
Technical Specifications
- Resistance Element: Platinum (Pt100)
- Nominal Resistance: 100 Ω at 0°C
- Accuracy Class: Class A DIN per IEC 751
- Temperature Range: −30°C to 350°C (−22°F to 662°F)
- Sheath Diameter: 1/4 inch (6.35 mm)
- Probe Length: 6 inches (152 mm)
- Sheath Material: 304 Stainless Steel
- Lead Wire Configuration: 3-wire, stripped ends
- Lead Wire Length: 36 feet PFA-coated
- Lead Wire Gauge: 26 AWG
- Temperature Coefficient (α): 0.00385 Ω/Ω/°C
- Probe Type: Immersion with metal transition strain relief
Typical Applications
The PR-11-2-100-1/4-6-E is ideal for fluid and gas temperature measurement in industrial processes, laboratory testing, HVAC systems, and equipment monitoring. Its compact sheath and extended lead wires support flexible installation in confined spaces with remote instrumentation or control cabinets. The Class A accuracy makes it suitable for applications requiring precision within ±0.15°C.
Compatibility & Replacements
Compatible With
- RTD input modules on industrial PLCs and controllers
- Temperature transmitters with 3-wire RTD inputs
- Laboratory and process instrumentation with Pt100 inputs
- SCADA and data acquisition systems accepting Class A DIN RTD sensors
- Any system with standard 3-wire RTD terminals
Replaces / Drop-In Replacement For
Verify with your system integrator or instrumentation technician before ordering, as RTD replacement requires matching sheath diameter, length, and wiring configuration to existing installations. Related Omega PR-11 models with different diameters or lengths may be compatible depending on your specific application requirements.
Works With
- IEC 751 Class A DIN RTD measurement standards
- 3-wire RTD signal conditioning and input circuits
- PLC analog input modules configured for PT100 sensors
- Temperature controllers and process monitoring systems
- Industrial SCADA and data acquisition platforms
