RTD PT00 Temperature Sensor Products

Created:  
Updated:   13May2024 21:14:59 UTC 2024-05-13T21:14:59Z

Description

A Resistance Temperature Detector (RTDResistance Temperature Detector), also known as a resistive temperature device, has a metal film or filament as its sensing element with a resistance that increases with temperature. An RTD is used when high precision and stability is needed.

RTD's that are labeled PT100 are referring to the resistance of 100 Ohms at 0°C of a small strip of Platinum (Pt). RTD PT100 probes are commonly available in 3-wire or 4-wire configurations. If only two wires are used, the leads will have an unknown resistance that will be affected by temperature. The third wire enables temperature compensation by measuring the resistance of one of the leads (the resistance of the other lead can be inferred from the assumption that all the leads are identical in length and composition). In the four wire configuration, the resistance of both leads are measured.

RTDs require sensitive electronics and signal conditioning to read the small changes in resistance. The most common RTD amplifier ICIntegrated Circuit is the MAX31865 with a digital SPISerial Peripheral Interface output. Adafruit and generic modules are available for the MAX31865 IC to make it easier to interface to.

More details on how RTDs work, the different wire configurations of probes, and amplifier modules, can be found in the Temperature Sensors article.

RTD PT100 Probes

3-Wire Probes


SparkFun SEN-17059 Platinum RTD Sensor - PT100
Package includes:
  • 1x RTD PT100 Probe
Price: $16.50(Updated 10Oct2024 08:37:392024-10-10T08:37:39Z UTC UTC)

Adafruit 3290 RTD Sensor - PT100 - 3 Wire 1 meter long
Package includes:
  • 1x RTD PT100 Probe
Price: $11.95(Updated 10Oct2024 08:37:442024-10-10T08:37:44Z UTC UTC)

Jaybva Stainless Steel Waterproof 3 Wire PT100 RTD Sensor Probe
Seller: Jaybva
Package includes:
  • 1x RTD PT100 Probe
Price: $13.98(Updated 10Oct2024 08:37:512024-10-10T08:37:51Z UTC UTC)

T-PRO RTD PT100 Temperature Sensors Three-Wire Stainless Steel Probe
Seller: T-PRO
Package includes:
  • 1x RTD PT100 Probe
Price: $10.66(Updated 10Oct2024 08:37:562024-10-10T08:37:56Z UTC UTC)

uxcell PT100 RTD Temperature Sensor Probe 3 Wires Cable
Seller: uxcell
Package includes:
  • 1x RTD PT100 Probe
Price: $13.99(Updated 10Oct2024 08:38:012024-10-10T08:38:01Z UTC UTC)

TWTADE Stainless Steel PT100 RTD Temperature Sensor Probe - 3 Wire
Seller: TWTADE
Package includes:
  • 1x RTD PT100 Probe
Price: $15.99(Updated 10Oct2024 08:38:072024-10-10T08:38:07Z UTC UTC)

Jaybva Stainless Steel PT100 RTD Temperature Sensor Probe - 3 Wire
Seller: Jaybva
Package includes:
  • 1x RTD PT100 Probe
Price: $12.98(Updated 10Oct2024 08:38:132024-10-10T08:38:13Z UTC UTC)

4-Wire Probes


PerfectPrime TL4050, 4 Wires Class A RTD PT100 Temperature Sensor Probe (-50°C to +200°C)
Seller: PerfectPrime
Package includes:
  • 1x RTD PT100 Probe
Price: $19.99(Updated 10Oct2024 08:38:492024-10-10T08:38:49Z UTC UTC)

PerfectPrime TL4200, 4 Wires Class A RTD PT100 Temperature Sensor Probe (-200°C to +200°C)
Seller: PerfectPrime
Package includes:
  • 1x RTD PT100 Probe
Price: $23.99(Updated 10Oct2024 08:38:542024-10-10T08:38:54Z UTC UTC)

RTD Amplifier Modules

MAX31865


Adafruit 3328 MAX31865 PT100 RTD Temperature Sensor Amplifier
Package includes:
  • 1x RTD PT100 MAX31865 Amplifier Module
  • 1x 2-Pin Terminal Block
  • 1x 8-Pin Straight Male Header
Price: $14.95(Updated 10Oct2024 08:39:302024-10-10T08:39:30Z UTC UTC)

Adafruit 3328 MAX31865 PT100 RTD Temperature Sensor Amplifier
Package includes:
  • 1x RTD PT100 MAX31865 Amplifier Module
  • 1x 2-Pin Terminal Block
  • 1x 8-Pin Straight Male Header
Price: $20.52(Updated 10Oct2024 08:39:412024-10-10T08:39:41Z UTC UTC)

HiLetgo MAX31865 PT100 RTD Temperature Sensor Amplifier Module
Seller: HiLetgo
Package includes:
  • 1x RTD PT100 MAX31865 Amplifier Module
  • 2x 2-Pin Terminal Block
  • 1x 8-Pin Straight Header
Price: $13.49(Updated 10Oct2024 08:39:472024-10-10T08:39:47Z UTC UTC)

AITRIP MAX31865 PT100 RTD Temperature Sensor Amplifier Module
Seller: Aitrip
Package includes:
  • 1x RTD PT100 MAX31865 Amplifier Module
  • 2x 2-Pin Terminal Block
  • 1x 8-Pin Straight Header
Price: $17.99(Updated 10Oct2024 08:39:532024-10-10T08:39:53Z UTC UTC)

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