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Fluke 5680, User Manual

The Tennant 5680 Operator's Manual is an essential resource for users of this high-performance cleaning equipment. Easily downloadable for free, this comprehensive manual provides step-by-step instructions, troubleshooting tips, and maintenance guidelines, ensuring optimal performance. Download your copy now from manualshive.com and unleash the full potential of your Tennant 5680.

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Summary of Contents for 5680

Page 1: ...5680 5682 5699 Metal Sheath Standard Platinum Resistance Thermometer User s Guide Rev 5C1301 Hart Scientific 1 888 610 7664 info Fluke Direct com Fluke Direct com ...

Page 2: ...ure 6 3 Specifications and Warranty 9 3 1 Specifications 9 3 2 Construction 9 3 3 Electrical Circuit 9 3 4 Warranty 10 4 Installation 11 4 1 Environmental Issues 11 4 2 Mounting 11 4 3 Lead Wire Identification 11 5 SPRT Care and Handling Guidelines 13 5 1 SPRT Care 13 5 2 SPRT Handling Guidelines 13 6 Operation 15 6 1 General 15 6 2 Comparison Calibration of Other Instruments 15 6 3 Immersion Requ...

Page 3: ...6 5 Measuring Current 16 6 6 Cooling Rates at High Temperatures 16 7 Accessories 19 7 1 Case 19 8 Troubleshooting 21 8 1 Troubleshooting 21 ii 1 888 610 7664 info Fluke Direct com Fluke Direct com ...

Page 4: ...le 1 International Electrical Symbols 1 Figure 1 5680 5682 5699 Metal Sheath Platinum Resistance Thermometer 5 Table 2 Specifications 9 Figure 2 Circuit Schematic 12 iii 1 888 610 7664 info Fluke Direct com Fluke Direct com ...

Page 5: ...anual Symbol Description AC Alternating Current AC DC Battery CE Complies with European Union Directives DC Double Insulated Electric Shock Fuse PE Ground Hot Surface Burn Hazard Read the User s Manual Important Information Off On 1 1 Before You Start Symbols Used Table 1 International Electrical Symbols 1 888 610 7664 info Fluke Direct com Fluke Direct com ...

Page 6: ... may pose hazards to the user CAUTION identifies conditions and actions that may damage the in strument being used 1 2 1 WARNINGS To avoid personal injury follow these guidelines DO NOT use this instrument to measure the temperature of any hazard ous live component DO NOT use this unit for any application other than calibration work DO NOT use this unit in environments other than those listed in t...

Page 7: ...case Incorrect handling can damage the SPRT and void the warranty Keep the shipping container in case it is necessary to ship the SPRT In correct packaging of the SPRT for shipment can cause irreparable dam age 1 Before You Start Authorized Service Centers 1 888 610 7664 info Fluke Direct com Fluke Direct com ...

Page 8: ... 5699 has a resistance of 25 5Ω at the triple point of water These metal sheath SPRTs are hand constructed at Hart Scientific by experts with years of SPRT manufacturing experience Each SPRT is carefully an nealed 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 special frame The ...

Page 9: ...lity Assurance requirements the SPRT drift should be checked periodically at the Triple Point of Water TPW Section 8 Troubleshooting provides information on drift with respect to mechanical shock and oxidation If the Rtp cannot be restored after annealing to within cali bration tolerances a full recalibration should be scheduled 2 4 Recalibration The recalibration of the SPRTs should be scheduled ...

Page 10: ...ragile is recommended Whether the thermometer is returned for repair or warranty please include a letter containing the following information Description of the faulty operation and circumstances of failure Complete shipping instructions for the return of the thermometer to the customer 7 2 Introduction Return Procedure 1 888 610 7664 info Fluke Direct com Fluke Direct com ...

Page 11: ...19 0 005 0 127 mm 0 005 Length 482 mm 19 Insulation Resistance 100MΩ at 480 C 1000MΩ at 20 C 100MΩ at 661 C 1000MΩ at 20 C 3 2 Construction The Model 5680 5682 SPRTs cover the range from 200 C to 480 C and the Model 5699 SPRT covers the range from 200 C to 661 C The sensor ele ments are crafted using high purity platinum wire wound in a strain free design on a specially designed support 3 3 Electr...

Page 12: ...and is determined upon examination by Hart to be defective If Hart determines that the defect or malfunction has been caused by misuse alteration abuse or abnormal condi tions or operation or handling Hart will repair the product and bill the pur chaser for the reasonable cost of repair To exercise this warranty the purchaser must forward the product after calling or writing an Authorized Service ...

Page 13: ...too tight Over tightening will damage the sheath If metal comparison blocks are used in the bath maintain a close fit between the thermometer sheath and the well in the comparison block However allow for the thermal expansion of the thermometer sheath when determining block well tolerances 4 3 Lead Wire Identification The Model 5680 5682 5699 SPRTs are equipped with a five wire cable Four lead wir...

Page 14: ...which should be connected to the ground See Figure 2 5680 5682 5689 SPRT User s Guide 12 BLACK RED White Yellow Red Black Rx GREEN connected to Inconel sheath to ground Figure 2 Circuit Schematic 1 888 610 7664 info Fluke Direct com Fluke Direct com ...

Page 15: ...RT to comfortably slip in and out without excess movement For best results immerse the thermometer as deep as possible to avoid stem ef fect the temperature error caused by the conduction of heat away from the sensor Do not submerge the handles 3 DO allow sufficient time for the thermometer to stabilize before making measurements allowing for the best accuracy 4 DO use the correct drive current wi...

Page 16: ...DON T take the SPRT out directly when it has been at a temperature higher than 500 C Allow the SPRT to cool to a temperature less than 500 C before removing it to room temperature See Section 6 6 for more information 5680 5682 5689 SPRT User s Guide 14 1 888 610 7664 info Fluke Direct com Fluke Direct com ...

Page 17: ... element to the housing How ever the effect of the shunt resistance is insignificant Full immersion is recom mended in a furnace or freeze point cell The immersion depth for primary standards is dependent on several factors in cluding accuracy requirements and type of liquid Therefore we recommend a 203 mm 8 inch minimum immersion depth The exact immersion depth required can be determined by perfo...

Page 18: ...682 5699 measurements are made at 1 mA and 1 4 mA These measurements are then extrapolated to zero current This can be done graphically by plotting i vs R and extrapolating to zero power or by using the following equation R R i R R i i 0 1 1 2 2 1 2 2 1 2 where R0 Zero current resistance R1 Resistance measured at current i1 R2 Resistance measured at current i2 Equation 2 Calculation of R0 6 6 Cool...

Page 19: ...ly removed from an instrument at 500 C or less and cooled to room temperature without concern for the cooling rate 17 6 Operation Cooling Rates at High Temperatures 1 888 610 7664 info Fluke Direct com Fluke Direct com ...

Page 20: ...ped in a protective case The SPRT should be stored in this case when not in use The SPRT should be shipped in this case when returning see Section 2 5 Return Procedure 19 7 Accessories Case 1 888 610 7664 info Fluke Direct com Fluke Direct com ...

Page 21: ... C 5680 and 5682 or 661 C 5699 only overnight 12 hours Measure the Rtp again Repeat the annealing Rtp measurement cycle several times This an nealing process should return Rtp to within calibration tol erances If the Rtp is within calibration tolerance the SPRT is usable If the Rtp is not within calibration toler ance but it is stable recalibrate the SPRT Severe mechanical shock can permanently da...

Page 22: ...here may be a short in the sensor Contact an Authorized Service Center If the resistance of the SPRT is only a few ohms there may be a short in the four lead wires Contact an Autho rized Service Center If the SPRT is open the resistance will be Out of Limits or in the kilo ohm or mega ohm range Contact an Au thorized Service Center 5680 5682 5689 SPRT User s Guide 22 1 888 610 7664 info Fluke Dire...

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