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Hart Scientific 9115 User Manual

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9115 Furnace
User Manual
HART
SCIENTIFIC
Rev. 761301

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Summary of Contents for Hart Scientific 9115

  • Page 1 9115 Furnace User Manual HART SCIENTIFIC Rev. 761301...
  • Page 2 © Copyright,1997 All Rights Reserved Hart Scientific 799 E. Utah Valley Drive American Fork, Utah 84003-9775 Telephone: (801) 763-1600 • Fax: (801) 763-1010 Internet: http://www.hartscientific.com...
  • Page 3 WARNING To ensure the safety of operating personnel, and to avoid damage to this equipment: DO NOT operate this unit without a properly grounded, properly polarized power cord. DO NOT connect this unit to a non-grounded, non-polarized outlet. DO USE a ground fault interrupt device. WARNING HIGH VOLTAGE is used in the operation of this equipment.
  • Page 4 WARNING HIGH TEMPERATURES PRESENT in this equipment FIRES AND SEVERE BURNS may result if personnel fail to observe safety precautions. WARNING To ensure the safety of personnel, and to avoid damage to equipment: DO NOT use this unit for any application other than calibration work. DO NOT use this unit in environments other than those listed in the user's manual.

  • Page 5: Table Of Contents

    Table of Contents Introduction ....... . 9 Specifications and Environmental Conditions ... . 11 Specifications.
  • Page 6 7.3.1 Scan Control ......... 25 7.3.2 Scan Rate .
  • Page 7 11.1 Troubleshooting........41 11.1.1 Incorrect Temperature Reading ....... 41 11.1.2 The unit heats slowly .

  • Page 8: Introduction

    1 Introduction The Hart Scientific Model 9115 Furnace has a tem- simplify the melting, freeze initiation, and plateau con- perature range of 550° C to 1000° C and is designed trol. The temperature control and uniformity of the fur- for use in achieving Aluminu or Silver Freezing Point nace allows the user to achieve plateaus ranging many measurements.
  • Page 9 Manual Rev. 761301 Model 9115...

  • Page 10: Specifications And Environmental Conditions

    Hz, 1 Phase, 12 Amps Warranty Shipping Weight 130 lb. The 9115 Metrology furnace is covered by a 1 year warranty that takes effect 10 days after the product is shipped. The manufacturer will provide parts and labor Environmental Conditions...
  • Page 11 Manual Rev. 761301 Model 9115...

  • Page 12: Safety Guidelines

    The unit is not equipped with wheels. It is con- sidered to be permanently set once it has been • The Model 9115 Furnace utilizes high voltages installed. If the unit must be moved for some and currents to create high temperatures.
  • Page 13 Manual Rev. 761301 Model 9115...

  • Page 14: Installation

    4 Installation Unpacking Power Verify that the following components are present: The 9115 furnace requires approximately 12 amps of current at a nominal 230 VAC (±10%) 50/60 Hz. The • Furnace furnace is supplied with a 14-gauge, 2-conductor plus •...
  • Page 15 8. Become familiar with the operation of the furnace the center of the well so as to allow the bottom support before installing the metal freeze point cell. Use the program installed in the furnace if desired. Manual Rev. 761301 Model 9115...

  • Page 16: Parts And Controls

    5 Parts and Controls The Model 9115 consists of a control panel, furnace core, and a back panel. Each part and control is de- scribed below. 419.03 C Control Panel DOWN EXIT The controls to the furnace are located on panels to HART the right of the instrument.

  • Page 17: System Fuses

    The top block also supports the thermocouples. tion 4.5 Plumbing for details. The heat pipe is shipped separately since its weight would damage the heater and supports if it were in place during shipment. Manual Rev. 761301 Model 9115...

  • Page 18: Figure 2. Furnace Core Diagram

    Thermal Shunt Disk Heating Element Control and Cutout Thermocouple Metal Freeze Point Cell Basket and Cover Metal Freeze Point Cell Heat Pipe Ceramic Fiber Insulation Air Gap (Circulating Air) Bottom Support Block Figure 2. Furnace Core Diagram Model 9115 Manual Rev. 761301...

  • Page 19: Figure 3. Back Panel

    Communication (RS-232) Current Voltage Label Water Cooling Connection Power Cord Figure 3. Back Panel Manual Rev. 761301 Model 9115...

  • Page 20: General

    1 hour period. Above the minimum operating temperature. Operation should be discontinued and temperature the heat-up rate is not important. Hart Scientific Customer Service should be consulted. 6.1.2 Safety Precautions 6.1.3...
  • Page 21 Manual Rev. 761301 Model 9115...

  • Page 22: Controller Operation

    The controller stores 8 set-point temperatures in mem- the set-point are discarded. ory. The set-points can be quickly recalled to conven- iently set the calibrator to a previously programmed Accept new set-point value temperature set-point. Model 9115 Manual Rev. 761301...

  • Page 23: Figure 4. Controller Operation Flowchart

    Adj. DC2 Adj. DC2 SOFT Sample Period CUTOUT SET/EXIT SET/EXIT EXIT EXIT Adj. Sample Adj. SCO Period SET/EXIT SET/EXIT Duplex Mode EXIT Adj. Duplex Mode SET/EXIT Linefeed EXIT Adjust Linefeed SET/EXIT Figure 4. Controller Operation Flowchart Manual Rev. 761301 Model 9115...

  • Page 24: Temperature Scale Units

    Press “UP” or “DOWN” to change the units. Un= F New units selected Ramp and Soak Program The ramp and soak program feature for the 9115 al- lows the user to program a number of set-points, cycle Scan the furnace automatically between the temperatures...

  • Page 25: Editing Program Set-Points

    Pt 4 peats the cycle indefinitely. The table below shows the Program point 4 soak time action of each of the four program mode settings. Press “SET” to edit the program soak time. Manual Rev. 761301 Model 9115...

  • Page 26: Program Control

    The proportional band width is set at the factory to the furnace by pulsing the heater on and off. The total about 30.0°C. The proportional band width may be al- power being applied to the heater is determined by the Model 9115 Manual Rev. 761301...

  • Page 27: Controller Configuration

    “Soft Cut-out” temperature the controller shuts itself Operating Parameters down and displays, alternately, “SCtOut” and “Err 8”. The operating parameters menu is indicated by... 7.10 Serial Interface Parameters Operating parameters menu The serial RS-232 interface parameters menu is indi- cated by, Manual Rev. 761301 Model 9115...

  • Page 28: Baud Rate

    0. The sample period pressing “SET”. is indicated by, LF=OFF SPEr New linefeed setting Serial sample period parameter Press “SET” to choose to set the sample period. The current sample period value is displayed. Model 9115 Manual Rev. 761301...

  • Page 29: Calibration Parameters

    Hard Cut-out 7.11 Calibration Parameters The operator of the 9115 has access to the furnace cali- This parameter is the temperature above which the bration constants. These values are set at the factory unit shuts down automatically. The parameter is set at and must not be altered.

  • Page 30: Digital Commmunication Interface

    8.1.2.1 BAUD Rate Figure 5. Serial Cable Wiring The BAUD rate is the first parameter in the menu. The display will prompt with the BAUD rate parameter by Model 9115 Manual Rev. 761301...

  • Page 31: Duplex Mode

    A terminating CR is implied The serial communications uses 8 data bits, one stop with all commands. bit, and no parity. The set-point and other commands may be sent via the serial interface to set the tempera- Manual Rev. 761301 Model 9115...
  • Page 32 Set program control mode: pc=g[o]/s[top]/c[ont] CONT Start program pc=g[o] pc=g Stop program pc=s[top] pc=s pc=c[ont] pc=c Continue program Read program function pf: 9 pf: 3 Set program function to n pf= n pf=2 1 to 4 Model 9115 Manual Rev. 761301...
  • Page 33 When DUPLEX is set to FULL and a command is sent to READ, the command is returned followed by a carriage return and linefeed. Then the value is returned as indicated in the RETURNED column. Manual Rev. 761301 Model 9115...

  • Page 34: Freeze Point Realization

    Always leave enough space around the the thermometer to be calibrated into the furnace. edge of the cell to enable you to remove it. Model 9115 Manual Rev. 761301...

  • Page 35: Figure 6. Metal Freeze Point Cell Installed In Canister

    Quartz Shell Metal Freeze Point Cell (cell interior construction shown) Graphite Crucible High Purity Metal Sample Quartz Reentrant Tube Fiber Ceramic Cushion Figure 6. Metal Freeze Point Cell installed in canister Manual Rev. 761301 Model 9115...

  • Page 36: Safety Precautions

    4) SPRT Annealing: The rapid cooling from the freez- ing point of silver to room temperature will introduce Model 9115 Manual Rev. 761301...
  • Page 37 Manual Rev. 761301 Model 9115...

  • Page 38: Maintenance

    If there − are any questions, call Hart Scientific Cus- ° + 96178 ° tomer Service for more information.

  • Page 39: Figure 7. Testing Uniformity

    Thermocouple Melted Cell Figure 7. Testing Uniformity Manual Rev. 761301 Model 9115...

  • Page 40: Troubleshooting

    A wiring diagram is also included. keys down at the same time while powering up the unit. When the screen displays “-init-” release the keys. The screen then displays “9115” and the version of the soft- 11.1 Troubleshooting ware.

  • Page 41: Wiring Diagram

    11.2 Wiring Diagram Figure 8. Wiring Diagram Manual Rev. 761301 Model 9115...

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