Page 3 - INTRODUCTION
1 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 voltages at the measurement surface exceed 24V AC or DC. WARNING To avoid damage or burns, do not make temperature measurement in...
Page 4 - SPECIFICATIONS; ELECTRICAL; Input Protection: 24V dc or 24V ac rms maximum input voltage on any; combination of input pins.
2 SPECIFICATIONS ELECTRICAL Temperature Scale: Celsius or Fahrenheit user-selectableMeasurement Range: -50°C to 1300°C, (-58°F to 2000°F)Resolution: 1°C or 1°F, 0.1°C or 0.1°FAccuracy: Accuracy is specified for operating temperatures over the range of 18°C to 28°C (64°F to 82°F), for 1 year, not inc...
Page 6 - OPERATING INSTRUCTIONS; Selecting the Temperature Scale; The thermometer allows two choices of resolution:; HOLD Mode
4 OPERATING INSTRUCTIONS Selecting the Temperature Scale Readings are displayed in either degrees Celsius(°C) or degrees Fahrenheit(°F).To change the temperature scale, press the "°C" or "°F"key. Selecting the Display Resolution The thermometer allows two choices of resolution: High ...
Page 7 - MAX Mode
5 MAX Mode Pressing the Max key to enter the MAX mode. The thermometer then recordsand updates the maximum absolute values and the MAX annunciator appearson the display. Pressing the MAX key again to exit the MAX recording mode.In the MAX mode, press HOLD key to stop the recording, press HOLD againt...
Page 8 - MAINTENANCE; WARNING; To avoid possible electrical shock, disconnect the thermocouple; Battery Replacement
6 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. (NEDA 1604, IEC 6F22). The" " appears on the LCD display when repla...
Page 9 - HH501DK CALIBRATION PROCEDURE; who have access to the items as following.; Temperature Calibration; open) adjust R5 until LCD reading reads 1832±1°F.
1 HH501DK 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. Temperature Calibration Insert the K type thermoco...
Page 11 - TEMPERATURE
M-2985/0799 Where Do I Find Everything I Need for Process Measurement and Control? OMEGA...Of Course! TEMPERATURE þ Thermocouple, RTD & Thermistor Probes, Connectors, Panels & Assemblies þ Wire: Thermocouple, RTD & Thermistor þ Calibrators & Ice Point References þ Recorders, Controll...