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Omega Engineering HH502 manual

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Table of contents for the manual

  • Page 1

    omega.com e-mail: info@omega.com For latest product manuals: omegamanual.info U ser ’ s Guide HH502 Digital Thermometer Shop online at[...]

  • Page 2

    OMEGAnet ® On-Line Service Int ern et e-m ail omega.com info@omega.com It is the policy of OMEGA Engineering, Inc. to comply with all worldwide safety and EMC/EMI regulations that apply. OMEGA is constantly pursuing certification of its products to the European New Approach Directives. OMEGA will add the CE mark to every appropriate device upon ce[...]

  • Page 3

    The symbol on the instrument indicates that the operator must refer to an explanation in this manual. WARNING To avoid electrical shock, do not use this instrument when working voltages at the measurement surface over 24V AC or DC. WARNING To avoid damage or burns, do not make temperature measurement in microwave ovens. CAUTION Repeated sharp flexi[...]

  • Page 4

    SPECIFICATIONS ELECTRICAL Temperature Scale: Celsius or Fahrenheit user-selectable. Measurement Range: J-TYPE -200°C to 1050°C, (-328°F to 1922°F) K-TYPE -200°C to 1370°C, (-328°F to 2498°F) Resolution: 0.1°C or 0.2°F. Accuracy: Accuracy is specified for operating temperatures over the range of 18°C to 28°C (64°F to 82°F), for 1 year,[...]

  • Page 5

    3 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: 4½ digit liquid crystal display (LCD) with maximum reading of 19999. Overload: "----.-" is display. Battery: Standard 9V battery. Battery Life: 100 hours typical. Auto[...]

  • Page 6

    OPERATING INSTRUCTIONS Power Switch The key turns the thermometer on or off. In the data SET mode, can not power off, must leave data SET mode then power off. °C/°F Selecting the Temperature Scale Readings are dual displayed in either degrees Celsius(°C) or degrees Fahrenheit(°F). When the thermometer is turned on, it is set to the temperature [...]

  • Page 7

    5 4 5 6 T1 /T2/T1-T2 Main display Input Selection The input selection indicates which input is selected for main display; T1 thermocouple, T2 thermocouple or the difference between the two thermo- couples (T1-T2), when the thermometer is turned on, it is set to T1, When main display input selected T1, then T1 input can select alternate of thermocou[...]

  • Page 8

    6 7 In the this mode, press HOLD key to stop the recording of readings, all values are frozen, press again to restart recording. To prevent accidental loss of MIN, MAX and AVG data, in this mode can only be cancelled by pressing and hold down the MIN MAX key for 2 seconds to exit and erased recorded readings. WARNING MIN, MAX and AVG readings can b[...]

  • Page 9

    7 8 9 Sec. Minu. Selecting the Time scale Reading the third displayed (Time) in either second or minute. When the thermometer turned on, it is set to second. To change the Time scale, press sec. Minu. key. Maximum Time reading is 100 hours. If 100 hours is exceeded, reset Time to zero and restart. SET mode (Relative value set, Time set and Hi/Lo Li[...]

  • Page 10

    8 10 11 4. When the thermometer is turned on. The Relative set value and Hi/Lo Limits set value that was in use when thermometer was last turned off set values. T1/T2/T1-T2 second display Input Selection The input selection indicates which input is selected for second display; T1 thermocouple, T2 thermocouple or the difference between the two therm[...]

  • Page 11

    9 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 sc[...]

  • Page 12

    10 CALIBRATION PROCEDURE Note: The following calibration procedures should be performed only by qualified technicians who have access to the following: Equipment: The class of calibration should be 10 times greater than the measured meter. Step 1: Short the J3 with jumper. Step 2: Apply 65 mV to the T1 input from Volts Calibrator and wait till the [...]

  • Page 13

    11 NOTES:[...]

  • Page 14

    12 NOTES:[...]

  • Page 15

    FOR WARRANTY RETURNS, please have the following information available BEFORE contacting OMEGA: 1. Purchase Order number under which the product was PURCHASED, 2. Model and serial number of the product under w arranty, and 3. Repair instructions and/or specific problems relative to the product. FOR NON-WARRANTY REPAIRS, consult OMEGA for current rep[...]

  • Page 16

    Where Do I Find Everything I Need for Process Measurement and Contr ol? OM EGA…Of Course! Shop online at omega.com sm M2807/1008 TEMPERATURE 䡺 ⻬ Thermocouple, RTD & Thermistor Probes, Connectors, Panels & Assemblies 䡺 ⻬ Wire: Thermocouple, RTD & Thermistor 䡺 ⻬ Calibrators & Ice Point References 䡺 ⻬ Recorders, Contr[...]