Használati útmutató Fluke 80PK-1

Fluke nincs kategorizálva 80PK-1

Olvassa el alább 📖 a magyar nyelvű használati útmutatót Fluke 80PK-1 (4 oldal) a nincs kategorizálva kategóriában. Ezt az útmutatót 8 ember találta hasznosnak és 2 felhasználó értékelte átlagosan 4.5 csillagra

Letöltés PDF
Oldal 1/4
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 F to 500°C (32° °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)
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 room
temperature and one atmosphere of pressure moving with a
velocity of 65 ft / sec)
Maximum Voltage: 24V ac rms or 60V dc maximum for proper
safe operation.
Maximum Temperature of Bead: 260 C (500° °F
Cable:
Length: 40 inches (1 meter)
Insulation:
Material: Teflon
Maximum Temperature: 260°C (500°F)
Conductors:
Type K
Size: AWG #24 solid
Length: 48 inches nominal
Polarity and Color Coding:
Chromel: + yellow
Alumel: - red
Outer Jacket: black
Connector:
Type: yellow mini-thermocouple connector with 0.312-inch pin
spacing
Material: Hytrel
Maximum Temperature: 200°C (392°F)
Protection:
Class 3. Relates solely to insulation and grounding properties
defined in IEC 348.
MEASUREMENT CONSIDERATIONS
Instrument Compatibility
The 80PK-1 is designed to be 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-1 accuracy
specification in order to determine the overall accuracy of the
combination.
Temperature Limitations
The 260°C continuos temperature rating of the 80PK-1 is
primarily determined by the Teflon insulation. The bead alone
may be momentarily subjected to higher temperatures without
damage.
Media Limitations
Type K Chromel-Alumel thermocouple wires are compatible with
clean oxidizing atmospheres.
OPERATION
Caution
Repeated sharp bending can break the 80PK-1 lead.
To protect the lead, avoid sharp bends, especially
near the connector.
Use the 80PK-1 as follows:
1. Connect the 80PK-1 to a compatible Type K
temperature measuring instrument using the miniature
(0.312-inch pin spacing) thermocouple connector.
2. Turn on the measuring instrument and select the
appropriate range and scale.
3. Check the readout on the measuring instrument. With
no heat or cold source applied to the bead, it should
display the ambient (room) temperature. If the
instrument does not readout properly, refer to the
TROUBLESHOOTING section below.
MEASURING TECHNIQUE
Here are some suggestions for improving the accuracy of your
temperature measurements:
1. Make sure that there is a good connection between the
probe and the surface you are measuring by doing any
of the following:
a. Increase the mounting pressure.

Termékspecifikációk

Márka: Fluke
Kategória: nincs kategorizálva
Modell: 80PK-1

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