Temperature Probe (submersible) Click on images to enlarge

Sale Price: $65.19

Temperature Probe (submersible)

Part#: TMN-100

The TMN-100 is a sensor that has an optimal temperature range between 15 °C above and 15 °C below room temperature. The TMN-100 is capable of responding to changes in temperature within a few seconds. The sensor element is water-resistant. The tip of the TMN-100 can be immersed in any aqueous solutions.

Specifications:
Temperature Range: 0 - 50 °C
 

Operating Instructions:

1. Connect the IX-myDAQ Adapter to the NI myDAQ. Connect the TMN-100 to CH 1 or CH 2 of the IX-myDAQ Adapter.

2. Connect the USB cable and set the input range of the channel being used to +/-5V.

3. The slope and offset must be determined to convert the measured voltages to temperatures using the following procedure.

4. Prepare two beakers of water, one at 10°C, and the other at 40°C. Measure the temperature of the cold water with a thermometer just before the TMN-100 temperature sensor is placed in the beaker. Record it as T1.

5. Place the tip of the TMN-100 temperature sensor in the center of the beaker of cold water, record the voltage and label it V1.

6. Measure the temperature of the warm water with a thermometer just before the TMN-100 temperature sensor is placed in the beaker. Record it as T2.

7. Place the tip of the TMN-100 temperature sensor in the center of the beaker of warm water, record the voltage and label it V2.

8. Using the recorded information, the slope and offset can be determined. To find the slope, perform the following calculation and label it as m: m = ((T2-T1)/(V2-V1)). Record the value in your notes.

9. To find the offset, perform the following calculation and call it b: b = (T1-(m*V1)). Record the value in your notes.

10. Use the TMN-100 to measure the unknown temperature and record that voltage as Vmeasured.

11. The unknown temperature can be determined by using this formula: Unknown Temperature = ((m*Vmeasured) + b).

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