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Fluke 67 MAX, Руководство по калибровке

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67 MAX

Calibration Manual

8

Figure 2. Precision Black Body Source System (PBBS)

Prepare the Black Body Source

Make sure that the black body is powered on and is allowed to warm up for at least 1 hour.

To configure the black body:

1. Remove the target cover.

2. Set the apparent emissivity setting to 0.98.

84.9814 C

.

1

2

3

Содержание 67 MAX

Страница 1: ...ared Thermometer Calibration Manual March 2021 English 2021 Fluke Corporation All rights reserved Specifications are subject to change without notice All product names are trademarks of their respective companies ...

Страница 2: ...tain warranty service contact your nearest Fluke authorized service center to obtain return authorization information then send the product to that service center with a description of the difficulty postage and insurance prepaid FOB Destination Fluke assumes no risk for damage in transit Following warranty repair the product will be returned to Buyer transportation prepaid FOB Destination If Fluk...

Страница 3: ... 4 Calibration 5 Preliminary Requirements 5 Required Environmental Conditions for Calibration 6 Required Equipment 6 Procedure 7 Setup 7 Black Body Source 7 Prepare the Black Body Source 8 Prepare the Reference Thermometer System for Measurement 9 Prepare the DUT for Measurement 9 Calibrate the DUT 10 Analyzing Test Results 11 User Replaceable Parts 12 ...

Страница 4: ...ii 67 MAX Calibration Manual ...

Страница 5: ...lement go to our website Safety Information The Product meets requirements established in ASTM Standard E1965 98 2016 Standard Specification for Infrared Thermometers for Intermittent Determination of Patient Temperature and ISO 80601 2 56 Medical electrical equipment part 2 56 Particular requirements for basic safety and essential performance of clinical thermometers for body temperature measurem...

Страница 6: ...d technician repair the Product Do not alter the Product and use only as specified or the protection supplied by the Product and its measurement accuracy can be compromised Before you use the Product inspect the case and optical lens Look for cracks in case plastics scratches or other damage to the optical lens Do not use the Product if it appears damaged Do not use in ambient environments outside...

Страница 7: ...stance of 50 mm to 150 mm 2 in to 6 in between the Product and the forehead of the person Product must be in body mode for accurate human temperature measurements Inaccurate measurements will occur if human temperature measurements are taken while not in body mode See Table 1 for symbols used on the Product and in this manual Specifications For Product specifications refer to the 67 MAX Users Manu...

Страница 8: ... low battery indicator appears Dispose of battery when low battery is indicated or when the unit dies Do not dispose of this Product or product battery as unsorted municipal waste Clean the Product Use 70 isopropyl alcohol on a sponge or soft cloth to clean the Product case A swab may be used to clean the IR lens See Figure 1 WCaution Do not submerge the Product Figure 1 Change the Battery and Cle...

Страница 9: ...e Preliminary Requirements WCaution To prevent damage to the Product and prevent incorrect readings Do not drop the DUT Handle the DUT with care Do not touch the DUT lens and keep it free of contamination Handle the test equipment with care and follow recommended best practices for its use WWarning To prevent possible electrical shock fire or personal injury Even though these documented procedure ...

Страница 10: ...talled on the calibration station Make sure the black body source is not placed near a building vent or a device with a fan that blows air across the target to cause a convection temperature error and a temperature instability problem Make sure there are no heat sources facing the black body source that will cause reflected radiation error This includes any device or radiating body that has a body...

Страница 11: ...ter for damage such as bends or dents in the sheath and cracked or frayed cabling Ensure the thermometer fits easily into the 4180 measurement well Setup Fluke highly recommends that a calibration fixture be used Black Body Source The calibration station consists of black body sources that are measured by a precision thermistor thermometer and a thermometer readout This combination of equipment is...

Страница 12: ...dy Source System PBBS Prepare the Black Body Source Make sure that the black body is powered on and is allowed to warm up for at least 1 hour To configure the black body 1 Remove the target cover 2 Set the apparent emissivity setting to 0 98 84 9814 C 1 2 3 ...

Страница 13: ...of 13 3 cm 5 25 inches as measured from the outside chassis of the black body source Prepare the DUT for Measurement To prepare the DUT for Measurement 1 Make sure that the DUT has been in the calibration ambient conditions for at least 1 hour if it has been in ambient conditions that are within the product specified operating range for at least 4 hours Otherwise then allow it to stabilize in the ...

Страница 14: ...nter of the target 3 If the DUT is being held in hand the technician must hold the DUT at the correct measurement distance while ensuring that the DUT is geometrically centered on the target Fluke highly recommends that a calibration fixture be used 4 Simultaneously record the DUT IR temperature readings ambient temperature and reference thermometer readings with these instructions a Set the DUT t...

Страница 15: ...Test Results Display Error Calculate the DUT temperature display error for each reported calibration point The display error for each test point is calculated as Display_Error Average_DUT_Indication Average_Compensated_Reference Average_Compensated_Reference calculation is required because the DUT emissivity setting of 0 98 does not match the true surface emissivity of the black body source To cal...

Страница 16: ...src 0 98 This value is the Average_Compensated_Reference that is used in the display error calculation Compare Display_Error with DUT specification to verify compliance with specification User Replaceable Parts To order replacement parts call one of the numbers listed under Contact Fluke User replaceable parts are listed in Table 4 Table 4 User Replaceable Parts Qty Fluke Part Number Description 1...

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