Fluke SureGrip 80PK-25 User manual

®
80PK-25
SureGripTM Piercing
Temperature Probe
Instruction Sheet
XWWarning
To avoid electrical shock, do not use this
probe when voltages exceeding 24 V ac rms
or 60 V dc are present. The probe tip is
electronically connected to the output
terminals.
Introduction
The 80PK-25 SureGripTM Piercing Temperature Probe is
designed for use in liquids, gels, soft, and semi-hard
materials. The probe is made of 316 stainless steel, which
is suitable for food service use. The thermocouple junction
of the probe is protected from tip to handle by the stainless
steel sheath. The 40-inch (1-meter) cable is terminated
with a Type K miniature thermocouple connector with
0.792-mm (.312-inch) pin spacing. The 80PK-25 can be
used with any temperature-measuring instrument that is
designed to accept Type K thermocouples and has a
miniature connector input.
Specifications
Type
K, Standard grade Ni-Cr vs Ni-Al (Chromel vs Alumel)
Measurement Range of Stainless Steel Probe
-40 °C to 350 °C (-40 °F to 662 °F)
Accuracy
(With respect to ANSI MC96.1 Standard Limits of Error)
Note
All error calculations should be done in °C, then
scaled to °F.
Range Accuracy
(% of reading)
-40 °C to 0 °C
(-40 °F to 32 °F)
±2.2 °C
0 °C to 260 °C
(32 °F to 500 °F)
±1.1 °C
November 2004
© 2004 Fluke Corporation.All rights reserved.
All product names are trademarks of their respective companies

Output
@ 25 °C (77 °F) =1.00 mV (reference junction at 0 °C)
Seebeck Coefficient
@ 25 °C (77 °F) = 40.50 µV / °C
Measurement Time
(Time Constant): 3.0 seconds in 100 °C still water at sea
level pressure (5 time constants = 1 complete step
change, i.e., 5 seconds)
Maximum Voltage
24 V ac rms or 60 V dc
Maximum Temperature of Tip 816 °C (1500 °F)
Sheath
Material: 316 Stainless Steel Dimensions
Diameter: 3.4036 mm (.134 in)
Length: 10.16 cm (4 in)
Tip: 25 °conical
Grounding
Junction welded to sheath
Cable
Length: 40 inches (1 meter)
Insulation
Material: PVC
Maximum Temperature: 105 °C (221 °F)
Jacket Color: Gray
Food Service Limitation: The cable should not come in
contact with food.
Conductors
Type: K
Size: AWG #24 stranded (7 strands of #32)
Handle
Material: Hytrel (food service grade)
Maximum Temperature of Food in Contact with
Handle: 65 °C (150 °F)
Connector
Type: Mini-thermocouple connector with .792 mm (.0312
in) pin spacing
Material: Yellow Hytrel (food service grade)
Maximum Temperature: 125 °C (257 °F)
Overall Probe Length
22.23 cm (8.75 in) from tip to end of cable strain relief
Protection
Class 3. Relates solely to insulation and grounding
properties defined in IEC 348.

Measurement Considerations
Instrument Compatibility
The 80PK-25 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
temperature-measuring instrument must be considered
along with the 80PK-525 accuracy specification to
determine the overall accuracy of the combination.
Temperature Limitations
The tip of the 80PK-25 has a continuous temperature
rating of 816 °C (1500 °F). However the opposite end of
the sheath nearest the handle should not be subjected to
temperatures greater than 125 °C. This is the maximum
temperature limitation of the Hytrel handle. See Food
Service Limitations.
Exposure Limitations
The sheath material of the 80PK-25 is stainless steel. It
should not be exposed to halides or sulfides.
Food Service Limitations
The 316 stainless steel probe is suitable for contact with
hot or cold foods within the specified temperature range of
the probe. However the handle is made of Hytrel 5556
which is suitable for repeat food contact only under the
following conditions: food temperature under 65 °C
(150 °F), food alcohol content under 8 %. Food may be
wet, dry, or fatty. Also, the cable should not come in
contact with food.
Operation
Use the 80PK-25 as follows:
Connect the 80PK-25 to a compatible Type K measuring
instrument using the miniature (0.312 inch spacing)
thermocouple connector.
Turn on the measuring instrument, and select the
appropriate range and scale.
Check the read out on the measuring instrument. With no
heat or cold source applied to the bead, the measuring
instrument should display the ambient (room) temperature.
If the instrument does not read out properly, refer to
“Troubleshooting”.
Measuring Technique
The 80PK-25 Piercing Probe should be inserted at least
31.75 mm (1.25 in) into the substance to be measured to
minimize the shunting effect of the sheath.
Troubleshooting
With no heat or cold applied to the probe, the measuring
instrument should display the ambient temperature. If the
measuring instrument does not read out properly, try the
following:
Verify that the measuring instrument is designed to be
used with Type K thermocouples. The measuring
instrument should have a yellow input connector and / or
be marked with a “K”.
Check for an open circuit indicator on the measuring-
instrument. Some temperature-measuring instruments

have a built-in circuit to indicate if the connected probe is
open. (All Fluke temperature-measuring instruments have
this feature.) Refer to the owner’s manual accompanying
the measuring instrument to see if this feature is available.
Short the two input pins of the measuring instrument with
a piece of wire. If the instrument is functioning, it should
indicate the ambient temperature.
If you suspect a broken connection, use an ordinary
ohmmeter to read the continuity of the probe from pin to
pin. The ohmmeter should read 20 eor less if there is
continuity.
Scale Conversions
Use the following equation to convert °C to °F:
(°C x 1.8) + 32 = °F
Use the following equation to convert °F to °C:
(°F –32) x 0.5556 = °C
4" (101.6 mm)
Diameter: .134" (3.4036 mm)
bae01f.eps
Figure 1. 80PK-25

Contacting Fluke
For application or operation assistance, or information on
Fluke products, call:
USA: 1-888-44-FLUKE (1-888-443-5853)
Canada: 1-800-36-FLUKE (1-800-363-5853)
Europe: [phone]
Japan: [phone]
Singapore: [phone]
Anywhere in the world: [phone]
For USA Service: 1-888-99-FLUKE
(1-888-993-5853)
Or, visit Fluke's Web site at www.fluke.com.
To register your product, visit register.fluke.com
ONE YEAR LIMITED WARRANTY
This Fluke product will be free from defects in material and
workmanship for one year from the date of purchase. This
warranty does not cover fuses, disposable batteries, or
damage from accident, neglect, misuse, alteration,
contamination, or abnormal conditions of operation or
handling. Resellers are not authorized to extend any other
warranty on Fluke’s behalf. To obtain service during the
warranty period, contact your nearest Fluke authorized
service center to obtain return authorization information,
then send the product to that Service Center with a
description of the problem.
THIS WARRANTY IS YOUR ONLY REMEDY. NO
OTHER WARRANTIES, SUCH AS FITNESS FOR A
PARTICULAR PURPOSE, ARE EXPRESSED OR
IMPLIED. FLUKE IS NOT LIABLE FOR ANY SPECIAL,
INDIRECT, INCIDENTAL OR CONSEQUENTIAL
DAMAGES OR LOSSES, ARISING FROM ANY CAUSE
OR THEORY. Since some states or countries do not allow
the exclusion or limitation of an implied warranty or of
incidental or consequential damages, this limitation of
liability may not apply to you.
Fluke Corporation
P.O. Box 9090
Everett, WA 98206-9090
U.S.A.
Fluke Europe B.V.
P.O. Box 1186
5602 BD Eindhoven
The Netherlands
11/99