Fluke 80PK-1 - Manual
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Table of Contents:
- Page 2 – MEASUREMENT CONSIDERATIONS; Instrument Compatibility
- Page 3 – OPERATION; Caution; MEASURING TECHNIQUE
- Page 4 – TROUBLESHOOTING
March, 1985 Rev.3, 4/02
©1989-2002 Fluke Corporation. All Rights Reserved. Printed in U.S.A.
All product names are trademarks of their respective companies
Instruction Sheet
80PK-1
WARNING
TO AVOID ELECTRICAL SHOCK, DO NOT USE THIS PROBE
WHEN VOLTAGES EXCEEDING 24V AC RMS OR 60V DC ARE
PRESENT. THE PROBE TIP IS ELECTRICALLY CONNECTED
TO THE OUTPUT TERMINALS.
INTRODUCTION
The 80PK-1 is a Type K Bead Thermocouple designed for
general purpose temperature measuring applications. It has an
extremely fast response time, due to the low thermal mass of the
exposed tip. The 40-inch (1-meter) Teflon cable is terminated with
a Type K miniature thermocouple connector with 0.312-inch
(0.792-mm) pin spacing. The 80PK-1 can be used with any
temperature measuring instrument that is designed to accept
Type K thermocouples and that has a miniature connector input.
The 80PK-1 must be used in Teflon-compatible environments and
is not suitable for liquid immersion. Above 260
°
C (500
°
F), Teflon
will emit toxic fumes.
SPECIFICATIONS
Type: K Special Grade (Chromel vs Alumel)
Measurment Range: -40
°
C to 260
°
C (-40
°
F to 500
°
F)
continuous
Accuracy (with respect to NBS tables for Special Grade): ±1.1
°
C
(2.0
°
F) over the range of 0
°
C to 260
°
C (32
°
F to 500
°
F) Typically
within 1.1
°
C (2.0
°
F) of NBS Tables over the range of -40
°
C to
0
°
C (-40
°
F to 32
°
F)
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Summary
Output: 25 ° C (77 ° F) = 1.00mV (reference junction at 0 ° C) Seebeck Coefficient: 25 ° C (77 ° F) = 40.50 µ V / ° C Measurement Time (Time Constant): 2 seconds (for air at roomtemperature and one atmosphere of pressure moving with avelocity of 65 ft / sec)Maximum Voltage: 24V ac rms or 60V dc maxi...
junction compensation. Accuracy of the temperature measuringinstrument must be considered along with the 80PK-1 accuracyspecification in order to determine the overall accuracy of thecombination. Temperature Limitations The 260 ° C continuos temperature rating of the 80PK-1 is primarily determined b...
b. Use an interface agent (such as silicone grease)between the thermocouple probe and the surfaceyou are measuring. c. Use a thermal epoxy to attach the thermocouple. 2. When measuring higher than ambient temperatures, adjust the connection between the probe and thesurface until you obtain the highe...
