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TWTADE / -0~100 Celsius RTD PT100 SBW Temperature Sensor Temperature Transmitter Isolated Detector Module -0~100 Degree - 4-20MA

Q: I have a pt100 probe to monitor the temperature of water pipes. what do i need to hook up the three wires to to see the to see the temperature?

Attach your 100 ohm Platinum RTD to the 3 screws closest to the middle (The two wires of the same color attach as shown on the sticker found on the transmitter). Now connect +24V to the "+" screw. Attach a resistor (200-250 0hms) to the "-" screw. Connect the -24V to the other side of the resistor. As the temperature of your RTD varies from -50 to +100C your resistor will get 4 to 20mA. Use ohms law. If your resistor is 250 ohm, you get 1 to 5 V. If your resistor is connected across the two input screws of a process meter, the meter will read "-50C" to "100C" for minor adjustments, there is a "zero" and "span" on the transmitter.

Q: What are the two adjustment potentiometers for?

One is the offset adjustment and one is the range adjustment. They have icons to show which is which. The offset should be set so that you get a zero degrees C reading with iced water. Then the range should adjusted so that you get 100 with boiling water. You may have to go back and adjust the offset and repeat until you get 0-100

Q: Will this transmitter work properly with a 12V power supply?

Specs say +24VDC and that's what I used to power the sensor and transmitter. At +12VDC your range would be 2mA to 10mA (partial range unusable below 4mA) rather than the standard 4 - 20mA full temp range. I would search for a +5VDC transmitter and regulate the +12VDC to +5VDC.

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Product ID: 562771214

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Details

Brand
TWTADE
Material
Plastic
Style
Modern
Current Rating
20 Milliamps
Maximum Supply Voltage
24 Volts (DC)

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Description

TWTADE / -0~100 Celsius RTD PT100 SBW Temperature Sensor Temperature Transmitter Isolated Detector Module -0~100 Degree - 4-20MA

Specifications

Brand	TWTADE
Material	Plastic
Style	Modern
Current Rating	20 Milliamps
Maximum Supply Voltage	24 Volts (DC)
Measurement Accuracy	±0.2°C
Mounting Type	Integrated
Output Type	Analog
Upper Temperature Rating	100 Degrees Celsius
UPC	789659498764
Manufacturer	TWTADE
Item Weight	0.81 ounces
Package Dimensions	3.8 x 2.6 x 0.5 inches
Item model number	-0-100℃
Manufacturer Part Number	-0-100℃

Have a Question? See What Others Asked

I have a pt100 probe to monitor the temperature of water pipes. what do i need to hook up the three wires to to see the to see the temperature?

What are the two adjustment potentiometers for?

Will this transmitter work properly with a 12V power supply?

How many amps does this sensor draw from the power supply?

Common Questions

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Fantastic experience overall. Will recommend to friends and family.

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The product quality is outstanding. Exactly what I needed for my work.

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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Customer service was outstanding when I had questions about the product.

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