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Fluke Inte kategoriserad 80PK-1

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March, 1985 Rev.3, 4/02

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.

Produktspecifikationer

Varumärke:	Fluke
Kategori:	Inte kategoriserad
Modell:	80PK-1
Färg på produkten:	Zwart
Vikt:	29500 g
Bredd:	915 mm
Djup:	138 mm
Höjd:	1786 mm
Förpackningens vikt:	32700 g
Justerbar i höjdled:	Ja
Monteringsmetod:	Vloer
Maximal viktkapacitet:	120 kg
Hållbarhetscertifikat:	CE, TUV
Antal per paket:	1 stuk(s)
Överensstämmelse med hållbarhet:	Ja
Lätt att installera:	Ja
Kompatibilitet med monteringsgränssnitt (min):	- mm
Kompatibilitet med monteringsgränssnitt (max):	- mm
Antal skärmar som stöds:	1
Förbättrad kabelhantering:	Ja
Maximal skärmstorlek:	86 "
Minsta skärmstorlek:	- "
Höjdjusteringsområde:	806 - 1786 mm
Motoriserad:	Ja
Lyfthastighet:	80 mm/sec