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OMEGA
HH501AT
Digital Thermometer
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TM omega.com SM OMEGAnet On-Line Service Internet e-mail http://www.omega.com info@omega.com Servicing North America: USA: ISO 9001 Certified Canada: One Omega Drive, Box 4047 976 Bergar Stamford, CT 06907-0047 Laval (Quebec) H7L5A1 Tel: (203) 359-1660 Tel: (514) 856-6928 FAX: (203)359-7700 FAX: (514) 856-6886 e-mail: info@omega.com e-mail: info@omega.com For immediate technical or application assistance: USA and Canada: Mexico and Latin America: SM SM Sales Service: 1-800-826-6342 / 1-800-TC-OM
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INTRODUCTION This instrument is a 3½ digit, compact-sized portable digital thermometer designed to use external T-type thermocouples as temperature sensor. Temperature indication follows Reference Temperature/Voltage Tables (N.I.S.T. Monograph 175 Revised to ITS-90) for T-type thermocouples. SAFETY INFORMATION It is recommended that you read the safety and operation instructions before using the thermometer. WARNING To avoid electrical shock, do not use this instrument when working voltages at t
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SPECIFICATIONS ELECTRICAL Temperature Scale: Celsius or Fahrenheit user-selectable. Measurement Range: -200°C to 400°C, -328°F to 752°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. ±(0.1% rdg + 1.0°C) on -60°C to 400°C ±2.0°C on -60°C to -200°C ±(0.1% rdg + 2.0°F) on -76°F to 752°F ±4.0°F on -76°F to
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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. Auto power off: The meter key switch inactive for more than 30 minutes, press power key to resume operation. Dimensions: 192mm(H) x 91mm(W) x 52.5mm(D). Weight: 365g. 3
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OPERATING INSTRUCTIONS 1 Power Switch The 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. 2 5 °C °F Selecting the Temperature Scale Readings is displayed in either degrees Celsius(°C) or degrees Fahrenheit(°F). When the thermometer is turned on, it is set to the temperature scale that was in use when the thermometer was last turned off. To change the temperature scale, press the °C or °F key. 3 " " Bu
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6 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 key and all function key are disabled.The beeper emits a tone when a new minimum or maximum value is recorded. Push MIN MAX key to cycle through the MAX, MIN, MAX-MIN and AVG readings. If an overload is recorded, the averaging function is
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10 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. (See "SET mode" later in this manual.) When the desired Relative value has been entered, press REL key to enter the Relative mode, press SET key use set Relative value as a reference value. Press REL key again
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(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. 3. In the SET mode, the value can not >±2000.0 counts.all value will be memorized until yor reset it. 12 Hi/Lo LIMITS mode Press Hi/Lo LIMITS key to enter the Hi/Lo Limi
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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. Remove the battery from battery contacts. 8
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WARRANTY / DISCLAIMER OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a period of 13 months from date of purchase. OMEGA Warranty adds an additional one (1) month grace period to the normal one (1) year product warranty to cover handling and shipping time. This ensures that OMEGA's customers receive maximum coverage on each product.If the unit should malfunction, it must be returned to the factory for evaluation. OMEGA's Customer Service Departme
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Where Do I Find Everything I Need for Process Measurement and Control? OMEGA...Of Course! TEMPERATURE DATA ACQUISITION þ Thermocouple, RTD & Thermistor þ Data Acquisition & Probes, Connectors, Panels & Assemblies Engineering Software þ Wire: Thermocouple, RTD & Thermistor þ Communications-Based þ Calibrators & Ice Point References Acquisition Systems þ Recorders, Controllers & Process Monitors þ Plug-in Cards for Apple, IBM þ Infrared Pyrometers & Compatibles þ Datalogging Systems PRESSURE/STRAI
