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5.2.2

Temperature Control and Cutout Sensor

The temperature control sensor is a Type K Thermocouple as indicated. This
sensor is 3/16 inch in diameter and 12 inches long. Its location in the block is
important and can cause the gradient in the block to move back and forth. The
probe is normally inserted as shown in Figures 2 and 3.

The cutout sensor is the same as the control sensor, 12 inches long. This sensor
is inserted through a tube in the back of the block. Its location here helps pre-
vent the heater elements from overheating thus prolonging their life.

9112A Calibration Furnace

User’s Guide

20

Figure 3

Back View

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Summary of Contents for 9112A

Page 1: ...9112A Calibration Furnace User s Guide Rev 5B2901 Hart Scientific ...

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: ...npacking Inspection 13 4 2 Location 13 4 3 Dry out Period 14 4 4 Power 14 4 5 Equilibration Block Assembly Installation 14 4 6 Probe Installation 14 5 Parts and Controls 17 5 1 Front View 17 5 1 1 Temperature Controller 17 5 1 2 Over Temperature Cutout 18 5 1 3 Power and Heater Switches 18 5 2 Heater Assembly 19 5 2 1 Equilibration Block Assembly 19 5 2 2 Temperature Control and Cutout Sensor 20 5...

Page 4: ...6 2 Operating the Furnace 23 7 Digital Communication Interface 25 8 Maintenance 27 9 Appendix A Material Safety Data Sheets MSDS 29 ii ...

Page 5: ...iii Figures Figure 1 Front View 17 Figure 2 Sectional Side View 19 Figure 3 Back View 20 Figure 4 RS 232 Cable Wiring 25 ...

Page 6: ...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 7: ...ntifies conditions and actions that may damage the in strument being used 1 2 1 WARNINGS To avoid personal injury follow these guidelines DISCLAIMER Hart Scientific manufactures instruments for the purpose of temperature calibration Instruments used for applications other than calibration are used at the discretion and sole responsibility of the cus tomer Hart Scientific cannot accept any responsi...

Page 8: ...to observe safety precautions The furnace generates extreme temperatures Precautions must be taken to pre vent personal injury or damage to objects Probes may be extremely hot when removed from the furnace Cautiously handle probes to prevent personal injury Carefully place probes on a heat resistant surface rack until they are at room temperature DO NOT lift the back of this instrument with the eq...

Page 9: ... safety precautions Before working inside the equipment turn off the power and disconnect the power cord Always ensure that the equilibration block ground is connection prior to use of the instrument 1 2 2 Cautions Always operate this instrument at room temperature between 41 F and 104 F 5 C to 40 C Allow sufficient air circulation by leaving at least 18 inches 45 cm of clearance around the instru...

Page 10: ...ior to moving The equilibration block can damage the fused silica tube that is extremely fragile The control probe must be inserted properly in the instrument and plugged into the socket at the back of the furnace DO NOT operate the furnace without the control probe properly inserted and attached The furnace will not operate cor rectly without the control probe Injury to operating personnel and pe...

Page 11: ...1 402 675300 Telefax 31 402 675321 E mail ServiceDesk fluke nl Fluke Int l Corporation Service Center Instrimpex Room 2301 Sciteck Tower 22 Jianguomenwai Dajie Chao Yang District Beijing 100004 PRC CHINA Phone 86 10 6 512 3436 Telefax 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...

Page 12: ...mail antng singa fluke com When contacting these Service Centers for support please have the following information available Model Number Serial Number Voltage Complete description of the problem 7 1 Before You Start Authorized Service Centers ...

Page 13: ... The temperature control system utilizes a digital controller with a Type K ther mocouple control sensor and RS 232 interface The controller displays the set temperature and the actual temperature simultaneously The display shows tem perature to the nearest degree in C or F shipped in C The temperature is set with convenient up and down buttons on the front panel Sensors being calibrated as well a...

Page 14: ...signed 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 following conditions temperature range 5 40 C 41 104 F ambient relative humidity 15 50 press...

Page 15: ...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 Hart for authorization Hart assumes NO risk for in transit damage For service or assistance please contac...

Page 16: ...ration Block Assembly 2 pieces Block Assembly Instruction Sheet Diskette Controller Manual User s Guide Serial Cable 4 2 Location The furnace is intended to be installed into any typical calibration facility envi ronment The best results from the furnace are realized if the temperature fluc tuations in the room are not excessive A minimum of 18 inches free air space around the furnace must be allo...

Page 17: ... be inserted Carefully in sert the block assembly into the tube with its insulation packing per Figure 1 Extreme care should be taken installing the Equilibration Block since it is very heavy and the fused silica tube is very fragile A 1 8 to inch air gap between the front access plate and the front panel of the furnace is required in order to prevent the front panel from getting too hot Care must...

Page 18: ...probe sheath The insulation should generally block air movement in and out of the back of the fused silica tube Install the Guard Cover to prevent physical contact with parts that become dangerously hot when in use Be sure to connect the probes properly on the rear panel 15 4 Installation Probe Installation ...

Page 19: ... 1 1 Temperature Controller The temperature controller is a full PID micro processor based instrument as indicated The controller is set to cover the range of 0 to 1100 C and features 17 5 Parts and Controls Front View Figure 1 Front View ...

Page 20: ...indicator light The cutout is adjustable by the user within the temperature range of the furnace with divisions shown every 25 C The indicator light turns on when the set limit is reached The cutout can be set to Manual Reset or Auto Reset The button on front panel allows the user to re set the cutout The unit leaves the factory with the unit set in the Manual Reset Mode In the Auto Reset Mode the...

Page 21: ...ses the longevity of your furnace heating element 5 2 1 Equilibration Block Assembly The Equilibration Block Assembly consists of 1 the test well 2 access tubes and end plate 3 the front and rear guard blocks 4 insulation on each end and 5 the center block The center block is intended to stabilize the temperature fluctuations and to conduct heat between the test wells in order to equalize them The...

Page 22: ...and can cause the gradient in the block to move back and forth The probe is normally inserted as shown in Figures 2 and 3 The cutout sensor is the same as the control sensor 12 inches long This sensor is inserted through a tube in the back of the block Its location here helps pre vent the heater elements from overheating thus prolonging their life 9112A Calibration Furnace User s Guide 20 Figure 3...

Page 23: ...ent This is required to be installed correctly for safe operation of the instrument 5 3 2 Nomenclature The nomenclature on the rear of the furnace provides information to the user in case service is required The nomenclature includes the manufacturer manufac turer location model number and serial number specific to this unit Refer to the model number and serial number whenever service is required ...

Page 24: ...hermostat is installed in the cabinet which shuts down the fur nace heaters if the cabinet exceeds a safe temperature 6 2 Operating the Furnace Operating the Model 9112A is straight forward once you have grasped all the important principles When the unit is turned on the cutout reset button must be pushed before the unit will heat Temperature selection is accomplished by using the up and down arro...

Page 25: ...erms of stability and gradients between the test wells Variations in equip ment probe size configuration etc affect these important factors A solid unstirred mass such as in a furnace is subject to heat losses from the probe stem which varies from probe to probe and temperature to temperature Typi cally stabilities are less than 0 1 C and can be as little as 0 015 C at 500 C Similarly gradients be...

Page 26: ...he serial communications cable attaches to the calibrator through the DB 9 connector at the back of the instrument Figure 4 shows the pin out of this connector and suggested cable wiring To eliminate noise the serial cable should be shielded with low resistance between the connector DB 9 and the shield Connect the appropriate connectors to your computer and to the furnace To communicate with the f...

Page 27: ...rameters A listing of the parameters and their meaning are in the following table To set a parameter simply type in the parameter and the value For example to set the control temperature to 800 C type SL 800 9112A Calibration Furnace User s Guide 26 PV process value temperature SL set point OP output power XP proportional band TI integration time TD derivative time CH Cycle time Table 2 Command Pa...

Page 28: ...council with respect to the material If the mains supply cord becomes damaged replace it with a cord with the appropriate gauge wire for the current of the instrument If there are any questions call Hart Scientific Customer Service for more informa tion Before using any cleaning or decontamination method except those rec ommended by Hart users should check with Hart Scientific Customer Service to ...

Page 29: ...9 Appendix A Material Safety Data Sheets MSDS 29 9 Appendix A Material Safety Data Sheets MSDS ...

Page 30: ...H INDEX FIBERS W 657 W 707 W 758 HS 95C MX 135 CW MX 400 CW HS 70 HS 70C FIBERFRAX HSA FIBERS HSA K HSA HP FIBERFRAX KAOLIN FIBERS K Chopped KMTX MT MTX MT T MX 150 BLANKETS Durablanket AC Durablanket HP Durablanket HP S Durablanket S Durablanket Strip Duraback Duraback S Tank Car Insulation TCB SMB QSB600 QSB800 FIBERMAT LO CON BLANKET PAPERS FIBERFRAX BINDERLESS PAPERS 972 AH 972 FH 972 JH 882 F...

Page 31: ...y anticipated to be carcinogens The American Conference of Governmental Industrial Hygienists ACGIH has classified RCF as A2 Suspected Human Carcinogen The Commission of The European Communities DG XI has classified RCF as a substance that should be regarded as if it is carcinogenic to man The State of California pursuant to Proposition 65 The Safe Drinking Water and Toxic Enforcement Act of POSSI...

Page 32: ... be held away from the eyeball to ensure thorough rinsing Do not rub eyes Get medical attention if irritation persists SKIN IRRITATION If skin becomes irritated remove soiled clothing Do not rub or scratch exposed skin Wash area of contact thoroughly with soap and water Using a skin cream or lotion after washing may be helpful GASTROINTESTINAL IRRITATION If gastrointestinal tract irritation develo...

Page 33: ...ts see Section 11 for more details consulted experts familiar with fiber and particle science conducted a thorough review of the RCF related scientific literature and further evaluated the data in a state of the art quantitative risk assessment Based on these efforts and in the absence of an OSHA PEL RCFC has adopted a recommended exposure guideline as measured under NIOSH Method 7400 B The manufa...

Page 34: ...tion is not designed to limit informed choices provided that respiratory protection decisions comply with 29 CFR 1910 134 Other Information Concentrations based upon an eight hour time weighted average TWA as determined by air samples collected and analyzed pursuant to NIOSH method 7400 B for airborne fibers The manufacturer recommends the use of a full facepiece air purifying respirator equipped ...

Page 35: ...nses is not recommended unless used in conjunction with appropriate eye protection Do not touch eyes with soiled body parts or materials If possible have eye washing facilities readily available where eye irritation can occur HEALTH DATA SUMMARY Epidemiological studies of RCF production workers have indicated no increased incidence of respiratory disease nor other significant health effects In ani...

Page 36: ...rom RCF exposure have been completed In one study conducted by the Research and Consulting Company Geneva Switzerland rats and hamsters were exposed to 30 mg m about 200 fibers cc of specially prepared RCF for 6 hours day 5 days week for up to 24 months In rats a statistically significant increase in lung tumors was observed two mesotheliomas cancer of the pleural lining between the chest wall and...

Page 37: ...r ADR road RID train or IMDG ship UNITED STATES REGULATIONS 13 DISPOSAL CONSIDERATIONS 14 TRANSPORT INFORMATION Hazard Class Not Regulated United Nations UN Number Not Applicable Labels Not Applicable North America NA Number Not Applicable Placards Not Applicable Bill of Lading Product Name 15 REGULATORY INFORMATION EPA Superfund Amendments and Reauthorization Act SARA Title III This product does ...

Page 38: ...ure quartz or cristobalite were significantly active at much lower levels circa 20 g cm RCF AFTER SERVICE REMOVAL Respiratory protection should be provided in compliance with OSHA standards During removal operations a full face respirator is recommended to reduce inhalation exposure along with eye and respiratory tract irritation A specific evaluation of workplace hazards and the identification of...

Page 39: ...nternational Agency for Research on Cancer IATA International Air Transport Association IMDG International Maritime Dangerous Goods Code mg m Milligrams per cubic meter of air mmpcf Million particles per cubic meter NFPA National Fire Protection Association NIOSH National Institute for Occupational Safety and Health OSHA Occupational Safety and Health Administration 29 CFR 1910 134 1926 103 OSHA R...

Page 40: ...ir employees and the proper use of the product This summary of the relevant data reflects professional judgment employers should note that information perceived to be less relevant has not been included in this MSDS Therefore given the summary nature of this document Unifrax Corporation does not extend any warranty expressed or implied assume any responsibility or make any representation regarding...

Page 41: ...current MSDS for the product visit our web page www thermalceramics com or call our automated FaxBack 1 800 329 7444 Superwool is a trademark of The Morgan Crucible Company plc 2 COMPOSITION INFORMATION ON INGREDIENTS INGREDIENT CAS NUMBER BY WEIGHT OSHA PEL ACGIH TLV Calcium Magnesium Silicate Mixture 1 100 15 mg m 3 total dust 10 mg m 3 inhalable dust 329211 92 9 5 mg m3 respirable dust 3 mg m3 ...

Page 42: ...sult of temporary mild mechanical irritation fiber exposure does not result in allergic manifestations 5 FIRE FIGHTING MEASURES NFPA Codes Flammability _ 0_ Health _1_ Reactivity _ 0_ Special _ 0_ NFPA Unusual Hazards None Flammable Properties None Flash Point None Hazardous Decomposition Products None Unusual Fire and Explosion Hazard None Extinguishing Media Use extinguishing media suitable for ...

Page 43: ...ng must be taken home employers should ensure employees are trained on the best practices to minimize or avoid non work dust exposure e g vacuum clothes before leaving the work area wash work clothing separately rinse washer before washing other household clothes etc Eye Protection Wear safety glasses with side shields or other forms of eye protection in compliance with appropriate OSHA standards ...

Page 44: ...ms of silica See Section 16 However CMS fibers heated to 1000 C for 2 weeks were not cytotoxic to macrophage like cells at concentrations up to 320 µg cm2 In the same test samples of pure crystalline quartz were significantly active at 20 µg cm2 EPIDEMIOLOGY This material has not been the subject of an epidemiology study NOTE Neither the International Agency for Research on Cancer IARC nor the Nat...

Page 45: ...road RID train IATA air or IMDG ship 15 REGULATORY INFORMATION UNITED STATES REGULATIONS SARA Title III This product does not contain any substances reportable under Sections 302 304 313 40 CFR 372 Sections 311 and 312 apply OSHA Comply with Hazard Communication Standards 29 CFR 1910 1200 and 29 CFR 1926 59 and Respiratory Protection Standards 29 CFR 1910 134 and 29 CFR 1926 103 TSCA CMS wools hav...

Page 46: ...ity may be dependent on inherent characteristics of the crystalline silica or on external factors affecting its biological activity or distribution of its polymorphs IARC Monograph Vol 68 1997 Respirable dust from devitrified SuperwoolTM products can be controlled with ventilation dust collectors or respiratory protection as detailed in Section 8 above Ventilation and respiratory protection should...

Page 47: ...ticulates Not Otherwise Regulated RCRA Resource Conservation and Recovery Act RID Carriage of Dangerous Goods by Rail International Regulation SARA Superfund Amendments and Reauthorization Act Title III Emergency Planning and Community Right to Know Act Section 302 Extremely Hazardous Substances Section 304 Emergency Release Section 311 MSDS List of Chemicals Section 312 Emergency and Hazardous In...

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