Fluke Hart Scientific 9101 User Manual Download Page 17 | Manualshive

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Fluke Hart Scientific 9101 User Manual Download Page 17

9

Troubleshooting

If the amber LED on the top of the unit is off

•

Check that there is power to the unit. If there is power to the unit, contact
an Authorized Service Center for further assistance.

19

9 Troubleshooting

Via Acquanera, 29

22100 Como

tel. 031.526.566 (r.a.) fax 031.507.984

[email protected]

www.calpower.it

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Summary of Contents for Hart Scientific 9101

Page 1: ...9101 Zero Point Dry Well User Manual Rev 5C1501 Hart Scientific Via Acquanera 29 22100 Como tel 031 526 566 r a fax 031 507 984 info calpower it www calpower it ...

Page 2: ...ientific Division 799 E Utah Valley Drive American Fork UT 84003 9775 USA Phone 1 801 763 1600 Telefax 1 801 763 1010 E mail support hartscientific com www hartscientific com Subject to change without notice Copyright 2005 Printed in USA ...

Page 3: ...ental Conditions 7 3 3 Warranty 8 4 Quick Start 9 4 1 Unpacking 9 4 2 Set up 9 4 3 Power 9 5 General Operation 11 5 1 Set up 11 5 2 Cooling 11 5 3 Measurement 11 6 Test Probe Calibration 13 6 1 Calibration Methods 13 6 1 1 Comparison Calibration 13 6 1 2 Calibration of Multiple Probes 14 6 2 Dry Well Characteristics 14 6 2 1 Vertical Gradient 14 6 2 2 Stabilization and Accuracy 14 7 Calibration Pr...

Page 4: ...the instrument or in this manual 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 ...

Page 5: ... follow these guidelines Before initial use or after transport or after storage in humid or semi hu mid environments or anytime the instrument has not been energized for more than 10 days the instrument needs to be energized for a dry out period of 2 hours before it can be assumed to meet all of the safety re quirements of the IEC 1010 1 If the product is wet or has been in a wet environment take ...

Page 6: ...ion it must be handled with care The instrument should not be operated in excessively wet oily dusty or dirty environments It is important to keep the wells of the in strument clean and clear of any foreign matter Do not operate near flam mable materials DO NOT use fluids to clean out the well If a mains supply power fluctuation occurs immediately turn off the in strument Power bumps from brown ou...

Page 7: ...ax 86 10 6 512 3437 E mail xingye han fluke com cn Fluke South East Asia Pte Ltd Fluke ASEAN Regional Office Service Center 60 Alexandra Terrace 03 16 The Comtech Lobby D 118502 SINGAPORE Phone 65 6799 5588 Telefax 65 6799 5588 E mail antng singa fluke com When contacting these Service Centers for support please have the following information available Model Number Serial Number Voltage Complete d...

Page 8: ...trolling circuit adjusts the current to thermoelectric modules which cool the block maintaining a stable temperature Since the current to the cooling modules is constant DC there is no problem with induced EMF noise in the user s probes or thermocouples due to switching transients of the cooling circuits Because the temperature control is done with solid state electronics the 9101 is rugged and st...

Page 9: ...5 75 D 311 x 216 x 146 mm 3 2 Environmental Conditions Although the instrument has been designed for optimum durability and trou ble free operation it must be handled with care The instrument should not be operated in an excessively dusty or dirty environment Maintenance and clean ing recommendations can be found in the Maintenance Section of this manual The instrument operates safely under the fo...

Page 10: ... warranty period 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 Au...

Page 11: ...f constant temperature between 18 to 25 C 64 to 77 F free from drafts Stable ambient temperatures allow stable well gradients and less drift Turn on the power to the calibrator by toggling the power switch on The fan should begin quietly blowing air through the instrument The amber LED will light when the unit is energized The green LED will light when the unit is ready to use The unit is not at t...

Page 12: ...o 30 minutes for the block to reach 0 and stabilize longer at higher ambient temperatures When the block has reached 0 and stabilized the green READY indicator light will turn on and the instrument is ready for use 5 3 Measurement When the instrument is ready insert the probe into one of the three well holes at the top of the instrument The probe should be inserted the full depth of the well since...

Page 13: ...obes with different lengths diameters and materials will have different stem effects causing an unknown temperature difference All dry wells have horizontal and vertical gradients that change with temperature This is an unknown variable which can be factored out if probes are the same type length diameter and material Probes should be inserted to the same depth in the well The following procedure ...

Page 14: ... for nominal heat losses out of the top of the dry well and minimize vertical temperature gradients How ever actual heat losses will vary depending on the number and types of probes inserted into the calibrator and the block temperature For best results insert probes the full depth of well 6 2 2 Stabilization and Accuracy The stabilization time of the dry well calibrator will depend on the conditi...

Page 15: ...5 3 and allow the temperature to stabilize At the back of the 9101 is a small hole covered by a calibration void if removed sticker which allows access to a trimmer potentiometer used to set the temperature Insert a small adjustment tool or screwdriver through the hole and slowly turn the trimmer until the stan dard measures 0 0 C Allow a few minutes between adjustments to allow time for the tempe...

Page 16: ...ibrator DO NOT slam the probe stems into the well This type of action can cause a shock to the sensor If a hazardous material is spilt on or inside the equipment the user is re sponsible for taking the appropriate decontamination steps as outlined by the national safety council with respect to the material If the mains supply cord becomes damaged replace it with a cord with the appropriate gauge w...

Page 17: ...nit is off Check that there is power to the unit If there is power to the unit contact an Authorized Service Center for further assistance 19 9 Troubleshooting Via Acquanera 29 22100 Como tel 031 526 566 r a fax 031 507 984 info calpower it www calpower it ...

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