Fluke 80PK-25 Handleiding

Fluke Voedsel thermometer 80PK-25

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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 350 °C

(32 °F to 662 °F)

±1.1 °C

November 2004 Rev.2, 10/09

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., 15 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

Product specificaties

Merk:	Fluke
Categorie:	Voedsel thermometer
Model:	80PK-25
Kleur van het product:	Black, Yellow
Meeteenheid temperatuur:	°C
Accu/Batterij voltage:	24 V
Ondersteund aantal accu's/batterijen:	1
Materiaal:	PVC, Stainless steel
Temperatuur omvang (T-T):	-40 - 260 °C
Bedrijfstemperatuur (T-T):	-40 - 350 °C
Temperatuurbereik (T-T):	-104 - 500 °F