Fluke 80PK-2A User Manual

80PK-2A

Type K Immersion Probe

Instruction Sheet

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-2A Type K Thermocouple Immersion Probe is
designed for use in liquids or gels. The probe can also be used
as a general purpose temperature probe. The thermocouple
junction is protected from tip to handle by an Inconel sheath.
The 40-inch (1-meter) cable is terminated with a Type K
miniature thermocouple connector with 0.792-mm (0.312-in)
pin spacing. The 80PK-2A can be used with any temperature­measuring instrument that is designed to accept Type K
thermocouples and has a miniature connector input.

NOTE

The 80PK-2A is not recommended for use in food or
beverage preparation.

®

SPECIFICATIONS

Type:

K Standard grade Ni-Cr vs. Ni-Al (Chromel vs. Alumel)

Measurement Range:
Accuracy:

Error)

All error calculations should be done in °C, then
scaled to

RANGE

-40°C to 275°C
(-40°F to 527°F)

275°C to 1090°C
(527°F to 1994°F)

November 1987 Rev. 4, 4/02

© 1987-2002 Fluke Corporation. All rights reserved. Printed in U.S.A.
All product names are trademarks of their respective companies.

(With respect to ANSI MC96.1 Standard Limits of

°F

.

-40°C to 1090°C (-40°F to 1994°F)

NOTE

ACCURACY
(% of reading)

±2.2°C

±0.75% (°C)

Output:
Seebeck Coefficient:
Measurement Time:

still water at sea level pressure. Complete step change equals
5 time constants (3.75 seconds).

Maximum Voltage:
Maximum Temperature of Tip:

@ 25°C (77°F) =1.00 mV (reference junction @ 0°C)

@ 25°C (77°F) = 40.50 µV / °C

(Time Constant): .75 seconds in 100°C

24V ac rms or 60V dc

1090°C (1994°F)

Sheath:

Material: Inconel 600
Dimensions:

Diameter: 3.175 mm (1/8 in)
Length: 20.32 cm (8 in)

Grounding:

Junction welded to sheath.

Cable:

Length: 40 inches (1 meter)
Insulation:

Material: PVC
Maximum Temperature: 105°C (220°F)
Jacket Color: Gray

Conductors:

Type: K
Size: AWG #24 stranded (7 strands of #32)

Handle:

Material: Gray Hytrel
Maximum Temperature: 125°C (257°F)

Connector:

Type: Mini-thermocouple connector with .792 mm (0.312 in)
pin spacing

Material: Yellow Hytrel
Maximum Temperature: 125°C (257°F)

Overall Length:

cable strain relief.

Protection:

grounding properties defined in IEC 348.

31.75 cm (12.5 in) from probe tip to end of

Class 3. Relates solely to insulation and

MEASUREMENT CONSIDERATIONS

Instrument Compatibility

The 80PK-2A is compatible with any temperature-measuring
instrument that accepts Type K thermocouples, has a
miniature thermocouple connector, and has cold reference
junction compensation. Accuracy of the temperature­measuring instrument must be considered along with the
80PK-2A accuracy specification to determine the overall
accuracy of the combination.

Temperature Limitations

The probe tip of the 80PK-2A has a continuous temperature
rating of 1090°C (1994°F). However the opposite end of the
sheath nearest the handle should not be subjected to
temperatures greater than 125°C (257°F). This is the maximum
temperature limitation of the handle.

Media Limitations

The sheath material of the 80PK-2A is Inconel, an alloy of
chromium and nickel. It has excellent resistance to oxidation
and corrosion at high temperatures, but it should not be used
in the presence of sulfur above 537°C (1000°F).