Fluke SureGrip 80PK-24 Bedienungsanleitung

Fluke Nicht kategorisiert SureGrip 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
© 2004-2009 Fluke Corporation. All rights reserved.
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.


Produktspezifikationen

Marke: Fluke
Kategorie: Nicht kategorisiert
Modell: SureGrip 80PK-24

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