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You are here → Home > Temperature Sensors > Resistance Thermometers > Autoclave Resistance Thermometers > Autoclave Drain RTD (Type 69B)

Autoclave Drain RTD Sensor - Pt100 Sensors

Autoclave Resistance Thermometers - RTD, Pt100
Autoclave Drain RTD (Type 69B)

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Designed specifically for autoclave drain applications, these sensors incorporate similar manufacturing techniques to the load sensor which results in a very reliable sensor being produced.

Available in tolerance classes B or A, they can be supplied as simplex or duplex assemblies in a 3-wire configuration and comprise of a stainless steel sensor tip with a length of flying leads that are oversheathed with silicone rubber.

Autoclave RTD Enquiry Form

1. No. of Elements and Ro Value

Number of Elements Select
Simplex (1 element)
Duplex (2 elements)

Resistance value at 0ºC:
2. Tolerance of Element

  Tolerance of Element
(IEC 60751 for Pt100)		 Select
Grade Accuracy
@ 0ºC		 Accuracy
@ 100ºC		  
B ±0.30°C ±0.80°C
A ±0.15°C ±0.35°C
Note: 130Ω elements are only
available in Grade B
3. Wiring Configuration

  Wiring Configuration
(IEC 60751)		 Select
3 3 wire (most popular)
4 4 wire
3. Sheath Diam. 'd1'
 inches
4. Sheath Length 'L1'
 inches
5. Wire Length 'L2'
 ft*
6. Optional Plug Style

Abbildung Auswahl
CE7 - Miniature Plug Plastic, rated to 425°F (normal)
CE6 - Standard Plug Plastic, rated to 425°F (normal)
7. Quantity Required

Contact Details

Company Name


Your Name


Email


Telephone


Additional Information

If your enquiry is for more than one style of sensor, please email us with your requirements or use the box below



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Resistance thermometers manufactured within a few days!
Click here for RTD Pt100 Sensors Custom Built to your Specification.

Frequently Asked Questions

  • What is an RTD Pt100 sensor, and how does it work?
    An RTD (Resistance Temperature Detector) Pt100 sensor measures temperature by detecting changes in electrical resistance. The "Pt" stands for platinum, the material used in the sensing element, and "100" refers to the resistance value of 100 ohms at 0°C. As the temperature changes, the resistance of the platinum element varies, allowing for accurate temperature measurements.
  • How accurate are RTD Pt100 sensors?
    RTD Pt100 sensors offer high accuracy and stability, with industrial-grade elements ranging from Class B (±0.3ºC at 0ºC) to Class A (±0.15ºC at 0ºC). Higher precision options, such as 1/10 class elements, provide an accuracy of ±0.03ºC at 0ºC. These sensors are widely used in industrial, laboratory, and scientific applications requiring high precision. Additionally, we offer calibration services in our UKAS accredited laboratory.
  • What is the temperature range for RTD Pt100 sensors?
    The temperature range of an RTD sensor depends on factors such as the construction, sheath material and insulation used in the construction. While some platinum elements can withstand temperatures up to 850°C, the overall sensor design will limit the maximum temperature rating. Please check the product specifications for the exact temperature range based on the sensor’s construction. If you need any advice, our engineers are happy to assist!