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TELEVAC MC 300 2A Instruction Manual

Dual channel thermocouple / convection vacuum measurement instrument
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INSTRUCTION MANUAL
MC 300 2A & 4A
DUAL CHANNEL THERMOCOUPLE / CONVECTION
VACUUM MEASUREMENT INSTRUMENT
TELEVAC
A DIVISION OF THE FREDERICKS COMPANY
2400 PHILMONT AVENUE,
HUNTINGDONVALLEY, PA 19006
Phone:(215) 947-2500 fax:(215) 947-7464 e-mail: sales@televac.com
web site:www.televac.com
6-8000-002 REV A
1

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Summary of Contents for TELEVAC MC 300 2A

  • Page 1 INSTRUCTION MANUAL MC 300 2A & 4A DUAL CHANNEL THERMOCOUPLE / CONVECTION VACUUM MEASUREMENT INSTRUMENT TELEVAC A DIVISION OF THE FREDERICKS COMPANY 2400 PHILMONT AVENUE, HUNTINGDONVALLEY, PA 19006 Phone:(215) 947-2500 fax:(215) 947-7464 e-mail: sales@televac.com web site:www.televac.com 6-8000-002 REV A...
  • Page 2 PARTS LIST MOUNTING ITEM DESCRIPTION MC300 Thermocouple, Convection, Measurement Instrument Instruction Manual Sensor Cables (sold separately) Sensors (sold separately) Mounting kit AC Power Cable Phone:(215) 947-2500 fax:(215) 947-7464 e-mail: sales@televac.com web site:www.televac.com 6-8000-002 REV A...

  • Page 3: Table Of Contents

    ANALOG RECORDER OUTPUTS MAINTENANCE CALIBRATION CALIBRATION VERIFICATION TROUBLESHOOTING DIMENSION SPECIFICATIONS UNPACKING & INSPECTION WARRANTY INFORMATION ORDERING INFORMATION PLEASE READ THIS MANUAL THOROUGHLY BEFORE USING THIS INSTRUMENT. REPORT ANY PROBLEMS IMMEDIATELY. Phone:(215) 947-2500 fax:(215) 947-7464 e-mail: sales@televac.com web site:www.televac.com 6-8000-002 REV A...

  • Page 4: Description

    CHAPTER 1 TELEVAC Description The TELEVAC Series MC300 vacuum-measuring instrument is a combination sensor, which incorporates various range options, as shown in the table below: Range of Options Model Range Sensors MC300 2A 0 - 20,000 millitorr 2AThermocouple MC4A 0 – Atmosphere...
  • Page 5 Large bright LEDs Built-in self-diagnostics Selectable Units (Torr, microns, mBar or Pascal) Gas compensation (Argon/Air-Nitrogen) Four process relays with individual assignable set points Analog outputs for each sensor Operator lockout switch Phone:(215) 947-2500 fax:(215) 947-7464 e-mail: sales@televac.com web site:www.televac.com 6-8000-002 REV A...

  • Page 6: Theory Of Operation

    Note, however, that the “traditional” thermocouple, “linear” convection gauge outputs and ion gauge outputs are NOT compensated. Phone:(215) 947-2500 fax:(215) 947-7464 e-mail: sales@televac.com web site:www.televac.com 6-8000-002 REV A...

  • Page 7: Safety Instructions

    Should you require further assistance, please contact Televac at the address on the title page of this manual. This product has been designed and tested to offer reasonably safe service provided in it’s installed, operated and serviced in strict accordance with these safety...
  • Page 8 Because of the danger on introducing additional hazards, do not install substitute parts or perform any unauthorized modifications to the product. Return the product to Televac for service and repair to ensure that safety features are maintained. Do not use this product if it has unauthorized modifications.

  • Page 9: Principles Of Operation

    1000 Torr The convection sensor must be mounted vertically for accurate measurements. Sensors are available in Stainless Steel or Nickel plated Brass and can withstand 150-psi overpressure. Phone:(215) 947-2500 fax:(215) 947-7464 e-mail: sales@televac.com web site:www.televac.com 6-8000-002 REV A...

  • Page 10: Installation & Operation

    Depending upon the degree of contamination and the accuracy required, it is recommended that sensor be periodically replaced and that filters (with line of sight baffles (P/N 2-2100-50) be used to protect thermocouple sensors. Phone:(215) 947-2500 fax:(215) 947-7464 e-mail: sales@televac.com web site:www.televac.com 6-8000-002 REV A...
  • Page 11 These lugs should be connected to the ground screws provided on the rear panel. Phone:(215) 947-2500 fax:(215) 947-7464 e-mail: sales@televac.com web site:www.televac.com 6-8000-002 REV A...
  • Page 12 ON state. It will break continuity under the instrument control parameters for the OFF condition or the power off mode of the MC300 (due to failure of the main power source or turning off the instrument). Phone:(215) 947-2500 fax:(215) 947-7464 e-mail: sales@televac.com web site:www.televac.com 6-8000-002 REV A...

  • Page 13: Operating The Instrument

    ARGON as a background gas. When Argon gas is selected, the GAS light will flash during operation of the gauge. Phone:(215) 947-2500 fax:(215) 947-7464 e-mail: sales@televac.com web site:www.televac.com 6-8000-002 REV A...
  • Page 14 (or Convection) Channel 2 is Channel 2 (CH2) and the Ion gauge is Channel 3 (CH3). Setpoint SP 1 is relay #1, setpoint SP 2 is relay #2 etc. Phone:(215) 947-2500 fax:(215) 947-7464 e-mail: sales@televac.com web site:www.televac.com 6-8000-002 REV A...
  • Page 15 The Instrument will not accept “OFF” values that are lower than the “ON” value. “ON” values entered that are greater than the ”OFF” values will automatically change the “OFF” value one unit higher than “ON”. Phone:(215) 947-2500 fax:(215) 947-7464 e-mail: sales@televac.com web site:www.televac.com 6-8000-002 REV A...

  • Page 16: Analog Recorder Outputs

    Figure 5 1.50 7.00 1.42 8.00 Analog Output (2A) 1.34 9.00 1000 1.26 10.00 2000 1.02 10.20 5000 0.92 10.20 10000 0.90 10.20 20000 0.88 10.20 CABLE 0.00 10.20 Phone:(215) 947-2500 fax:(215) 947-7464 e-mail: sales@televac.com web site:www.televac.com 6-8000-002 REV A...
  • Page 17 500 T 9.544 9.500 “ 600 T 9.772 9.600 “ 760 T 10.000 9.760 “ 900 T 10.142 9.90 “ 1000 T 10.232 10.000 “ CABLE >10.5 10.11 “ Phone:(215) 947-2500 fax:(215) 947-7464 e-mail: sales@televac.com web site:www.televac.com 6-8000-002 REV A...

  • Page 18: Maintenance

    3. The following table summarizes the messages on the MC300 display under several different operating conditions as well as the expected Analog outputs. Phone:(215) 947-2500 fax:(215) 947-7464 e-mail: sales@televac.com web site:www.televac.com 6-8000-002 REV A...

  • Page 19: Calibration

    CHAPTER 7 TELEVAC Calibration All TELEVAC instrumentation is calibrated at the factory. No further calibration at the customer’s facility should be required. For a reliable re-calibration at a later date, it is necessary to have a reference standard vacuum system whose pressure is known very accurately. For such a calibration, the instrument, sensor tube and cable should be returned to TELEVAC for re-certification.

  • Page 20: Calibration Verification

    NOTE: If, after doing some or all of the above, the unit is still inoperative, return to factory for repair. Phone:(215) 947-2500 fax:(215) 947-7464 e-mail: sales@televac.com web site:www.televac.com 6-8000-002 REV A...

  • Page 21: Dimension

    FRONT PANEL INCHES Height Width 7.75 UNIT Height 88.9 Width 184.15 7.25 DEPTH Excluding connectors 7.75 Including connectors (approx.) 234.95 9.25 PANEL CUT OUT Height 92.86 3.66 Width 186.69 7.35 Phone:(215) 947-2500 fax:(215) 947-7464 e-mail: sales@televac.com web site:www.televac.com 6-8000-002 REV A...

  • Page 22: Specifications

    Missing (screws, switches or switch hardware) Broken barrier strips… Broken or loose components within instrument Should any of the above problems be encountered, contact the factory immediately. Any unauthorized repairs will void the warranty. Phone:(215) 947-2500 fax:(215) 947-7464 e-mail: sales@televac.com web site:www.televac.com 6-8000-002 REV A...

  • Page 23: Warranty Information

    The Fredericks Company does not assume any other obligation than that stated in this warranty nor does it authorize any person to assume for them any liability in connection with the sale, service or use of the Fredericks Company’s instruments. Phone:(215) 947-2500 fax:(215) 947-7464 e-mail: sales@televac.com web site:www.televac.com 6-8000-002 REV A...

  • Page 24: Ordering Information

    4A 1/8” NPT Nickel Brass 2-2119-001 √ Filters for 1/8” NPT 2A/ 4A Sensors 2-2100-50 4A 1/8” NPT Stainless Steel 2-2120-001 4A NW 16 KF Stainless Steel 2-2120-030 Other fittings available-call factory Phone:(215) 947-2500 fax:(215) 947-7464 e-mail: sales@televac.com web site:www.televac.com 6-8000-002 REV A...

This manual is also suitable for:

Mc 300 4a

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