Type K Thermocouple Temperature Measurements - Extech Instruments EX623A User Manual

600 a true rms ac/dc clamp meter with ir thermometer

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Operation

5.16 Type K Thermocouple Temperature Measurements

The supplied thermocouple is rated for 482℉ (250℃) maximum. If a higher temperature

range is needed, acquire a suitably rated thermocouple. If a higher temperature is meas-

ured with the supplied probe, damage to the thermocouple and meter is possible.

For an open input, the meter will display dashes (– — —).

For temperature over-range, the meter will display OL.

Figure 5.11 Thermocouple temperature test setup.

1. Slide the input shutter down to the lower position.

2. Rotate the function switch to the TYPE k position.

3. Press the MODE button to select °F or °C.

4. Insert the temperature probe(s) into the T1 and/or T2 Type K connectors.

5. Touch the temperature probe tip to the surface under test.

6. Read the temperature measurement on the display.

7. Press the T1-T2 button to step through the four display modes, as de-

scribed in the table below.

#NAS100174; r. AA/97578/97616; en-US

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