Fluke 80PK-24 Handleiding

Fluke Niet gecategoriseerd 80PK-24

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80PK-24

SureGripTM Air 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-24 SureGripTM Air Temperature Probe is

designed for measuring the temperature of air or gases.

The measuring bead of the probe is protected by a

perforated 304 Stainless Steel baffle to prevent accidental

damage. The sheath material is 300 Stainless Steel. The

38-inch (1 meter) cable is terminated with a Type K

miniature thermocouple connector with 0.792-mm (.312-in)

pin spacing. The 80PK-24 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

-40 °C to 816 °C (-40 °F to 1500 °F)

Accuracy

(With respect to ANSI MC96.1-1982-Standard Limits of

Error):

Note

All error calculations should be done in °C, then

scaled to °F.

Range Accuracy

(% of reading)

-40 °C to 293 °C

(-40 °F to 559.4 °F)

±2.2 °C

293 °C to 816 °C

(559.4 °F to 1500 °F)

±0.75 %

November 2004 Rev.2, 9/09

All product names are trademarks of their respective companies

Output

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

Seebeck Coefficient

@ 25 F) =40.50 °C (77° μV / °C

Measurement Time (Time Constant)

3.0 seconds in 100 °C air moving at 3.33 meters/second

(10.9 feet/ second) at sea level pressure (5 time constants

= 1 complete step change, i.e., 15 seconds).

Maximum Voltage: 24 V ac rms or 60 V dc

Maximum Temperature of Tip: 816 °C (1500 °F)

Baffle

Material: 304 Stainless Steel Dimensions

Diameter: 3.81 mm (0.150 in)

Length: 3.3 cm (1.3 in)

Sheath

Material: 304 Stainless Steel Dimensions

Diameter: 3.175 mm (0.125 in)

Length: 215.9 mm (8.5 in) from handle body to end of

baffle

Grounding

Junction welded to sheath.

Cable

Length: 38 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: 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

31.9 cm (12.55 in) from baffle 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-24 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-24 accuracy specification to

determine the overall accuracy of the combination.

Temperature Limitations

The baffle tip of the 80PK-24 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

(257 °F). This is the maximum temperature limitation of

the handle.

Media Limitations

The stainless steel baffle and sheath should not be

exposed to halides or sulfides. Even though the sheath to

junction transition is sealed, it is not recommended to

immerse the probe in liquid or saturated vapor. The 80PK-

24 should not be used in reducing atmospheres or in a

vacuum.

Operation

Use the 80PK-24 as follows:

1. Use the miniature (0.312-inch spacing) thermocouple

connector to connect the 80PK-24 to a compatible

Type K temperature-measuring instrument.

2. Turn on the measuring instrument, and select the

appropriate range and scale.

3. Check the read out on the measuring instrument. With

no heat or cold source applied to the tip of the probe,

the measuring instrument should display the ambient

(room) temperature. If the instrument does not read

out properly, refer to “Troubleshooting”.

Minimizing Thermal Shunting

The 80PK-24 Air Probe should be inserted at least 6.35

cm (2.5 in) into the environment to be measured to

minimize the shunting effect of the sheath.

Product specificaties

Merk:	Fluke
Categorie:	Niet gecategoriseerd
Model:	80PK-24
Kleur van het product:	Black,Silver,Yellow
Snoerlengte:	1 m
Materiaal:	Roestvrijstaal
Aantal per verpakking:	1 stuk(s)
Lengte:	319 mm
Type product:	Testsonde
Insulation Material:	PVC
DC-spanning (max):	60 V