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Related Manuals for Omega HHM21
Summary of Contents for Omega HHM21
- 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.
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Page 3: Safety Information
SAFETY INFORMATION The following safety information must be observed to insure maximum personal safety during the operation at this meter: 1. Do not use the meter if the meter or test leads look damaged, or if you suspect that the meter is not operating properly. 2. -
Page 4: Specifications
SPECIFICATIONS Display: Liquid crystal display (LCD) with a maximum reading of 4300. Polarity: Automatic, positive implied, negative polarity indication. Overrange: "1 OL"or "-1 OL" is displayed. Low battery indication: the " " is displayed when the battery voltage drops below the operating level. Measurement rate: 2.5 times per second, nominal. - Page 5 DC VOLTS Ranges: 430mV,4.3V,43V, 430V,600V Resolution: 100µV Accuracy: ±(0.25%rdg + 1dgt) Input impedance: >10MW Overload protection: 600VDC or AC rms AC VOLTS (50Hz - 2KHz) Ranges: 430mV,4.3V,43V,430V,600V Resolution: 100µV Accuracy: Range 50Hz-100Hz 100Hz-500Hz 500Hz-2KHz 430mV ±(1.5%rdg+3dgts) 4.3V ±(0.75%rdg+2dgts) 430V ±(1.5%rdg+3dgts) 600V Input impedance: >10MW Overload protection: 600VDC or AC rms...
- Page 6 DC CURRENT Ranges: 430µA,43mA,430mA,10A Resolution: 100nA Accuracy: ±(0.5%rdg + 1dgt) on µA,mA ranges ±(2.0%rdg + 1dgt) on 10A range Burden voltage: 1.4V on all ranges, execpt 1.5V on 10A range Input protection:0.5A / 250V fast blow ceramic fuse 10A / 600V fast blow ceramic fuse AC CURRENT (50Hz - 1KHz) Ranges: 430µA,43mA,430mA,10A Resolution: 100nA...
- Page 7 CONTINUITY Audible indication: <50W ±30W Overload protection: 500VDC or AC rms DIODE TEST Accuracy: ±(3.0%rdg + 3dgts) Resolution: 1mV Test current: 1.0±0.6mA Test voltage: <3.5V TEMPERATURE Ranges: -20°C to 1300°C -4°F to -2372°F Resolution: 1°C, 2°F Accuracy: ±(2.0%rdg + 3dgts) on -20°C to 500°C ±(3.0%rdg + 2dgts) on 500°C to 1300°C ±(2.0%rdg + 6dgts) on -4°F to 932°F ±(3.0%rdg + 4dgts) on 932°F to 2372°F...
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Page 8: Operation
OPERATION Before taking any measurements, read the Safety Information Section. Always examine the instrument for damage, contamination (excessive dirt, grease, etc.) and defects. Examine the test leads for cracked or frayed insulation. If any abnormal conditions exist do not attempt to make any measurements. - Page 9 A-H Button In Auto hold mode, the meter will capture and hold the first stable non- zero(>100 digits) reading after a zero reading(<100 digits). Several consecu- tive measurements can be held and displayed without pressing the (A-H) buttion. Simply by shorting the test leads together between measurements. Press (A-H) to toggle in and out of the Auto Hold mode.
- Page 10 TIME Button Press (TIME) to enter elapsed-time mode. Push (TIME) to cycle through the Minutes and seconds, hours and minuates. Press and hold down the (TIME) for 2 seconds to exit TIME mode. Voltage Measurements 1. Connect the red test lead to the "VW " jack and the black test lead to the "COM"...
- Page 11 Resistance and Continuity Measurements 1. Set the Function/Range switch to the resistance function. 2. Remove power from the equipment under test. 3. Connect the red test lead to the "VW " jack and the black test lead to the "COM" jack. 4.
- Page 12 Temperature Measurements WARNING Remove test leads being measured 1. Set the Function/Range switch to the " °F/°C " position. 2. Push the " °F/°C " key, select the desired °F/°C scale. 3.Connect a type k thermocouple to the jack on the instrument. Place the probe or thermocouple tip on or in the material to be measured and take the temperature reading directly from the display.
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Page 13: Maintenance
MAINTENANCE WARNING Remove test leads before changing battery or fuse or performing any servicing. Battery Replacement Power is supplied by a 9 volt "transistor" battery. (NEDA 1604, IEC 6F22). 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 case. - Page 14 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...
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Page 15: Data Acquisition
Where Do I Find Everything I Need for Process Measurement and Control? OMEGA...Of Course! TEMPERATURE DATA ACQUISITION PRESSURE/STRAIN AND FORCE HEATERS FLOW/LEVEL ENVIRONMENTAL MONITORING AND CONTROL pH/CONDUCTIVITY M-2847/0799...