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Omega HH501AK User Manual

Omega products thermometer user manual
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Summary of Contents for Omega HH501AK

  • Page 1 OMEGA...
  • Page 2 European New Approach Directives. OMEGA will add the CE mark to every appropriate device upon certification. The information contained in this document is believed to be correct but OMEGA Engineering, Inc. accepts no liability for any errors it contains, and reserves the right to alter specifications without notice.

  • Page 3: Safety Information

    This instrument is a 3½ digit, compact-sized portable digital thermometer designed to use external K-type thermocouples as temperature sensor. Temperature indication follows Reference Temperature/Voltage Tables (N.I.S.T. Monograph 175 Revised to ITS-90) for K-type thermocouples. One K-type thermocouple is supplied with the thermometer.

  • Page 4: Specifications

    ELECTRICAL Temperature Scale: Celsius or Fahrenheit user-selectable. Measurement Range: -200°C to 1372°C, -328°F to 1999°F Resolution: 0.1°C , 0.1°F (-59.9°C to 199.9°C ,-59.9°F to 199.9°F) 1°C , 1°F on other range Accuracy: Accuracy is specified for operating temperatures over the range of 18°C to 28°C (64°F to 82°F), for 1 year, not including thermocouple error.
  • Page 5 ENVIRONMENTAL Ambient Operating Ranges: 0°C to 50°C (32°F to 122°F) <80% R.H. Storage Temperature: -20°C to 60°C (-4°F to 140°F) <70% R.H. GENERAL Display: 3½ digit liquid crystal display (LCD) with maximum reading of 1999. Overload: "-OL" is display. Battery: Standard 9V battery. Battery Life: 100 hours typical.

  • Page 6: Hold Mode

    OPERATING INSTRUCTIONS Power Switch key turns the thermometer on or off. In the MIN MAX record mode can not power off, must leave MIN MAX record mode then power off. °C °F Selecting the Temperature Scale Readings is displayed in either degrees Celsius(°C) or degrees Fahrenheit(°F).
  • Page 7 MIN MAX record Mode Press MIN MAX key to enter the MIN MAX Recording mode, (displays the Maximum reading, Minimum reading, "MAX-MIN" reading and Average reading stored in record mode). In the this mode the automatic power-off feature is disabled and emits a tone when a new minimum or maximum value is recorded.
  • Page 8 REL Relative mode (only Main display) Pressing REL key to enter the Relative mode, zero the display, and store the displayed Reading as a reference value and annunciator REL is displayed. Press REL key again to exit the relative mode. The relative value can also be entered by the user.
  • Page 9 (Press ENTER key can escape Lo Limit value set mode), _ = = =.= is displayed (the ".=" is displayed when you set up the fourth number), Lo Limit value is entered via overlay numbers, when you want to get negative values push (- 0) key for end of numbers, then press overlay ENTER key, stored the Lo Limit value and exit set mode.

  • Page 10: Operator Maintenance

    OPERATOR MAINTENANCE WARNING To avoid possible electrical shock, disconnect the thermocouple connectors from the thermometer before removing the cover. Battery Replacement Power is supplied by a 9 volt "transistor" battery. The " " appears on the LCD display when replacement is needed. To replace the battery, remove the two screws from the back of the meter and lift off the battery cover.

  • Page 11: Calibration Procedure

    HH501(A,B)K / HH501(A,B)J / HH501(A,B)T / HH501(A,B)E CALIBRATION PROCEDURE Note: The following calibration procedure should perform only by qualified technicians who have access to the items as following. Equipment: The class of calibrator had better 10 times greater than the measured meter. 1.
  • Page 12 CONDITIONS: Equipment sold by OMEGA is not intended to be used, nor shall it be used: (1) as a "Basic Component" under 10 CFR 21 (NRC), used in or with any nuclear installation or activity; or (2) in medical applications or used on humans. Should any...

  • Page 13: Data Acquisition

    Where Do I Find Everything I Need for Process Measurement and Control? TEMPERATURE PRESSURE/STRAIN AND FORCE FLOW/LEVEL pH/CONDUCTIVITY M-2815/0799 OMEGA...Of Course! DATA ACQUISITION HEATERS ENVIRONMENTAL MONITORING AND CONTROL...

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