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Description
Platinum RTD Sensor - PT100 - 3 Wire 1 meter long#3290 For precision temperature sensing, nothing beats a Platinum RTD. Resistance temperature detectors (RTDs) are temperature sensors that contain a resistor that changes resistance value as its temperature changes, basically a kind of thermistor. In this sensor, the resistor is actually a small strip of Platinum with a resistance of 100 ohms at 0C, thus the name PT100. Compared to most NTC PTC thermistors, the PT type of RTD is much most stable and
#3290
For precision temperature sensing, nothing beats a Platinum RTD. Resistance temperature detectors (RTDs) are temperature sensors that contain a resistor that changes resistance value as its temperature changes, basically a kind of thermistor. In this sensor, the resistor is actually a small strip of Platinum with a resistance of 100 ohms at 0°C, thus the name PT100. Compared to most NTC/PTC thermistors, the PT type of RTD is much most stable and precise (but also more expensive) PT100's have been used for many years to measure temperature in laboratory and industrial processes, and have developed a reputation for accuracy (better than thermocouples), repeatability, and stability.
This high-temperature PT100 sensor is equipped with an stainless steel shield is good for up to 550°C.
PT100 features
- Based on resistance measurement principles
- Resistor material is Platinum with a value of 100 ohm at temperature 0°C
- Platinum has a positive resistance temperature factor; resistance increases with rising temperature
- Resistance variation is a function of temperature: 0.385Ω/°C nominal
- High accuracy and stability compared to thermocouples, silicon-based temperature sensors, or thermistors
Each sensor comes with three wires. Two of the wires connect to either side of the platinum resistor like you'd expect. The third wire is also connected to one end of the PT100. If your RTD amplifier supports 3-wire sensors, it will drive the resistor with the first two wires, and measure the voltage differences so that it can subtract any voltage drop from the wires. If your RTD amplifier only has 2-wire support simply leave the third wire disconnected.
Features
- Cable specs:
- Stainless steel tube: 4mm diameter by ~30mm long (size of stainless steel capsule may vary!)
- Cable is approx 1m / 100cm long
- Contains a PT100 temperature sensor
- Three wires with terminal prong ends
- PT100 technical specs:
- Usable temperature range: -200 to 550°C (-328°F to +1,022°F)
- Uses 3-wire interface
- ±0.5°C Accuracy from -10°C to +85°C
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4.5 ★★★★★
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Product Reviews
★★★★★ 5
Great!
Size: Medium, Color: Multicolored19-4 Pack
I have ordered three packages of these over the years. They are solidly made and withstand washing and drying without the color fading and elastic band stretching. They are sized correctly and are super comfortable.
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Reviewed in the United States on April 27, 2026
★★★★★ 5
Cute, colorful underpants
Size: Medium, Color: A-multicolored-4 Pack
Bought these for my fiance because his old (other brand) ones were getting very tired. The price was great and they are brightly colored, which I get a kick out of. These do not bunch up while he's sitting, moving around, or pulling up his pants, and are comfortable with pants with a snugger fit around the legs and pelvis. They are soft, breathable, and durable, and have withstood numerous washes without an inkling of fading, tearing, and wear.
I had some difficulties with the shipping and the original order never arrived, but this was immediately resolved after one contact with customer service. They were very responsive and sent out a fresh batch minutes later, which arrived very quickly and without any issue.
Overall, impressed with the quality of both the underpants and the customer service.
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Reviewed in the United States on December 11, 2023
★★★★★ 3
KIND OF BAGGY
Size: Large, Color: A-multicolored-4 Pack
I guess I'm not built quite like the guy in the photo. I found these to be a little baggy. I buy briefs because I don't want baggy. They were, however, comfortable enough. I liked the wider waist band and the elastic was fine. I wouldn't buy them again though.
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Reviewed in the United States on July 27, 2024
★★★★★ 5
Decent Quality
Size: Medium, Color: Black, Navy Blue, Brown, Heather Grey-4 Pack
as per website. decent quality
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Reviewed in the United States on May 31, 2026
★★★★★ 5
Comfortable and secure
Size: Small, Color: Black Grey
Nice quality non fly men’s underwear. Pouch holds your gear firmly. Ordered small (30” waist) but ended up ordering same item in medium for more comfort. Also went with the cotton version.
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Reviewed in the United States on November 7, 2025