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Fluke Hart Scientific 5626, Руководство пользователя

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Fluke Hart Scientific 5626 Скачать руководство пользователя страница 5

 

iii 

 

 

List of Tables 

Table Title Page 

1.  

International Electrical Symbols ................................................................   1-1 

2.  

Specifications ............................................................................................   3-1

 

 

 

Shop for Fluke products online at:

1.888.610.7664

www.

MyFlukeStore

.com

Содержание Hart Scientific 5626

Страница 1: ...eserved Specifications are subject to change without notice All product names are trademarks of their respective companies 5626 5628 Platinum Resistance Thermometer User s Guide Shop for Fluke products online at 1 888 610 7664 www MyFlukeStore com ...

Страница 2: ...rization 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 Fluke determines that failure was caused by neglect misuse contamination alteration accident or abnor...

Страница 3: ...2 2 2 Cautions 2 2 2 3 Authorized Service Centers 2 3 3 Specifications 3 1 3 2 Construction 3 2 3 3 Electrical Circuit 3 2 3 4 Warranty 3 2 4 Installation 4 1 4 1 Environmental Issues 4 1 4 2 Mounting 4 1 4 3 Lead Wire Identification 4 2 5 PRT Care and Handling Guidelines 5 1 5 1 PRT Care 5 1 5 2 PRT Handling Guidelines 5 2 6 Operation 6 1 6 1 General 6 1 Shop for Fluke products online at 1 888 61...

Страница 4: ...of Other Instruments 6 1 6 3 Immersion Requirements 6 1 6 4 Thermal EMF 6 2 7 Accessories 7 1 7 1 Case Options 7 1 7 2 PRT Termination 7 1 8 Troubleshooting 8 1 8 1 Troubleshooting 8 1 Shop for Fluke products online at 1 888 610 7664 www MyFlukeStore com ...

Страница 5: ...iii List of Tables Table Title Page 1 International Electrical Symbols 1 1 2 Specifications 3 1 Shop for Fluke products online at 1 888 610 7664 www MyFlukeStore com ...

Страница 6: ...gure Title Page 1 The 5626 and 5628 Platinum Resistance Thermometers 2 2 2 Standard Dimensions 3 2 3 PRT Schematic 4 2 4 Probe Termination Examples 7 1 Shop for Fluke products online at 1 888 610 7664 www MyFlukeStore com ...

Страница 7: ...ard Read the User s Manual Important Information O Off I On Canadian Standards Association CATII OVERVOLTAGE Installation CATEGORY II Pollution Degree 2 per IEC1010 1 refers to the level of Impulse Withstand Voltage protection provided Equipment of OVERVOLTAGE CATEGORY II is energy consuming equipment to be supplied from the fixed installation Examples include household office and laboratory appli...

Страница 8: ...s instrument at high temperatures for extended periods of time can cause the handle to become hot Follow all safety guidelines listed in the user s manual Calibration Equipment should only be used by Trained Personnel 1 2 2 Cautions Caution To avoid possible damage to the instrument follow these guidelines DO NOT remove the label from the handle This cautions the user concerning the delicate natur...

Страница 9: ...ructed by experts with years of PRT manufacturing experience Each PRT is carefully annealed at the appropriate temperatures and precisely tested for stability The sensing element is fabricated using high purity platinum wire wound in a strain free design on a specially designed support The inch O D Inconel 600 sheaths are sealed with a specially mixed gas and fit with a terminal box handle and str...

Страница 10: ...niques 2 4 Recalibration The recalibration of the 5626 5628 Secondary PRT should be scheduled according to the user s company Quality Assurance requirements Normally a PRT is recalibrated annually Unless the PRT is used only over a limited range calibration over the full range of the PRT 196 C to 661 C is recommended For information on recalibrating your 5626 or 5628 contact Fluke s Customer Servi...

Страница 11: ...4 C at 0 C 0 009 C at 420 C 0 014 C at 661 C Short Term Stability 0 003 C 0 002 C Long Term Drift Rtp 0 03 C with 500 hours at 661 C 0 02 C with 500 hours at 661 C Sheath Inconel 600 Handle Temperature Range 0 C to 80 C Lead Wires 4 wire Super Flex PVC 22 AWG Termination Gold plated spade lugs Size 304 8 mm x 6 35 mm dia 12 L x 0 25 381 mm x 6 35 mm dia 15 L x 0 25 508 mm x 6 35 mm dia 20 L x 0 25...

Страница 12: ...over the range from 200 C to 661 C The sensor elements are crafted using high purity platinum wire wound in a strain free design on a specially designed support 3 3 Electrical Circuit The PRTs are provided with a terminal box handle The two meter cable has four Super Flex wires enclosed in a PVC jacket with a stainless steel spring strain relief Gold plated spade lugs terminate the wires Shop for ...

Страница 13: ...e used to calibrate other temperature sensitive equipment The PRT must be mounted carefully to avoid any damage to the sheath or sensor If the fluid bath used does not have a lid designed for PRT insertion clamps should be used to ensure the handle and cable are not immersed Do not screw the clamps too tight Over tightening will damage the sheath If metal comparison blocks are used in the bath mai...

Страница 14: ...Heat Shrink RED Heat Shrink Figure 3 PRT Schematic The lead wires are four different colors Lead wire pairs attached to each end of the sensor are identified by red and black heat shrink tubing Shop for Fluke products online at 1 888 610 7664 www MyFlukeStore com ...

Страница 15: ...should still be used when handling the PRT even though the Inconel sheath is durable and provides good protection for the sensor Correct handling of the PRT will prolong the life expectancy When not in use the PRT should be stored in the protective case provided Note The PRT sheath changes color after use at high temperatures The PRT may arrive with a brown tint to the sheath due to calibration at...

Страница 16: ... submerge the handles DO allow sufficient time for the thermometer to stabilize before making measurements This allows for the best accuracy DO use the correct drive current with the thermometer to prevent error in temperature or resistance Fluke recommends 1mA DO anneal the thermometer at 600 to 661 C for 12 hours if it becomes oxidized DO use the protective shipping box or case provided or other...

Страница 17: ...uation provides the most accurate measurement of the ratio tp t t R R W All PRTs experience errors caused by self heating of the element Self heating is a combination of two factors heat dissipation and heat sink Self heating error can be reduced to have a negligible effect if the PRT is used with the same excitation current and medium in which it was calibrated 6 3 Immersion Requirements Stem eff...

Страница 18: ... contribute to thermal EMF chemical consistency and physical consistency Variations in chemical structure due to impurities can contribute to thermal EMF Also discrepancies in crystal structure can contribute to thermal EMF These factors are minimized by annealing the full length of wire before construction of the PRT Likewise connection to extension lead wires and readout instruments can be a sou...

Страница 19: ...ve Case for 5626 12 and 5628 12 PRT Model Number 2609 PRT Protective Case for 5626 15 5628 15 5626 20 and 5628 20 PRT 7 2 PRT Termination The 5626 5628 PRT can be terminated in three ways Figure 4 depending on the user s requirements Gold Plated Spade Lug Bare Wire 5 Pin Din Connector Shop for Fluke products online at 1 888 610 7664 www MyFlukeStore com ...

Страница 20: ...628 User s Guide 7 2 Bare Wire customer option Spade Lug standard 5 Pin DIN customer option 1 2 4 5 3 Figure 4 Probe Termination Examples Shop for Fluke products online at 1 888 610 7664 www MyFlukeStore com ...

Страница 21: ...xt anneal the PRT at 660 C overnight Measure the Rtp again The annealing should decrease the Rtp If the Rtp is stable recalibrate the PRT Data changes less than 0 1 C Slight mechanical shock can cause temperature errors less than 0 1 C If this is observed first measure and record the Rtp Next anneal the PRT at 660 C overnight Measure the Rtp again The annealing should decrease the Rtp Repeat the a...

Страница 22: ... grounding of the readout device and the heat source A faulty ground on either device could interfere with high temperature measurements A ground wire attached to the metal sheath of the PRT may help to reduce electrical noise interference Temperature readout different than expected e g the heat source is set at 300 C the PRT measures 275 C Measure the PRT resistance at TPW If the resistance of th...

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