Related Manuals for Circuit-test DMR-6550
Summary of Contents for Circuit-test DMR-6550
- Page 1 USER'S MANUAL Multimeter True RMS Auto ranging DMR-6550 CIRCUIT-TEST ELECTRONICS www.circuittest.com...
- Page 2 Introduction This meter measures AC/DC Voltage, AC/DC Current, Resistance, Capacitance, Frequency, Diode Test, Continuity plus Thermocouple Temperature. Proper use and care of this meter will provide many years of reliable service. Safety This symbol adjacent to another symbol, terminal or operating device indicates that the operator must refer to an explana- tion in the Operating Instructions to avoid personal injury or damage to the meter.
- Page 3 SAFETY INFORMATION Caution and proper guidelines must be followed for personal and product safety. Read this instruction manual carefully and completely before using the meter. Lack of caution or poor safety practices can result in serious injury or death. • Always start with power off. Set the function switch to the correct setting before making any measurements and do not change position of the func- tion switch during measurements.
- Page 4 SAFETY INSTRUCTIONS This meter has been designed for safe use, but must be operated with caution. The rules listed below must be carefully followed for safe operation. 1. NEVER apply voltage or current to the meter that exceeds the specified maximum: Input Limits Function...
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Page 5: Controls And Jacks
Controls and Jacks 1. 6000 count LCD Display 2. Function switch 3. 10A (positive) input jack 4. COM (negative) input jack 5. Positive input jack 6. HOLD & Backlight button 7. Max/Min button 8. Range/ /Diode button 9. Hz/% button Symbols and Annunciators Continuity Low Battery... -
Page 6: Specifications
Specifications Display: 6000 counts LCD display. Polarity: Automatic, (-) negative polarity indication. Input Impedance: 7.8MΩ Overrange: “OL” mark indication. AC Response: True RMS Low battery indication: “ ” is displayed if the battery voltage drops below operating voltage. Measurement rate: 2 times per second, nominal. - Page 7 DC Voltage Range Resolution Accuracy 600.0mV 0.1mV ±0.5% of reading ± 2 digits 6.000V 60.00V 10mV ±1.2% of reading ± 2 digits 600.0V 100mV 1000V ±1.5% of reading ± 2 digits AC Voltage Range Resolution Accuracy 6.000V ±1.5% of reading ± 10 digits 60.00V 10mV ±1.5% of reading ±...
- Page 8 Resistance Range Resolution Accuracy 600.0Ω 0.1Ω ±1.2% of reading ± 4 digits 6.000kΩ 1Ω ±1.0% of reading ± 2 digits 60.00kΩ 10Ω ±1.2% of reading ± 2 digits 600.0kΩ 100Ω 6.000MΩ 1kΩ ±2.0% of reading ± 2 digits 60.00MΩ 10kΩ ±5.0% of reading ±...
- Page 9 Duty Cycle Range Resolution Accuracy 0.1%~99.9% 0.1% ±1.2% of reading ± 2 digits Pulse width: >100us, <100ms; Frequency width: 5Hz – 150 kHz Sensitivity: >0.5V RMS Temperature Range Resolution Accuracy -20ºC~+760ºC 1ºC ±3% of reading ±5ºC/9ºF -4ºF~+1400 ºF 1ºF Sensor: Type K Thermocouple Diode Test Range Resolution...
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Page 10: Autoranging/Manual Range Selection
Operating Instructions WARNING: Risk of electrocution. High-voltage circuits, both AC and DC, are very dangerous and should be measured with great care. 1. ALWAYS turn the function switch to the OFF position when the meter is not in use. This meter automatically shuts OFF after 15 minutes of inactivity. -
Page 11: Display Backlight
MAX/MIN NOTE: When using the MAX/MIN function in Autoranging mode, the meter will “lock” into the range that is displayed on the LCD when MAX/MIN is activated. If a MAX/MIN reading exceeds that range, an “OL” will be displayed. Select the desired range BEFORE entering MAX/MIN mode. -
Page 12: Dc Voltage Measurements
DC Voltage Measurements CAUTION: Do not measure DC voltages if a motor on the circuit is being switched ON or OFF. Large voltage surges may occur that can damage the meter. 1. Set the function switch to the position. 2. Insert the black test lead banana plug into the negative COM jack and the red test lead banana plug into the positive V jack. -
Page 13: Dc Current Measurements
DC Current Measurements CAUTION: Do not make current measurements on the 10A scale for longer than 30 seconds. Exceeding 30 seconds may cause damage to the meter and/or the test leads. 1. Insert the black test lead banana plug into the negative COM jack. 2. -
Page 14: Resistance Measurements
Resistance Measurements WARNING: To avoid electric shock, disconnect power to the unit under test and discharge all capacitors before taking any resistance measurements. Remove the batteries and unplug the line cords. 1. Set the function switch to the Ω position. 2. -
Page 15: Diode Test
Diode Test WARNING: To avoid electric shock, do not test any diode that has voltage on it. 1. Set the function switch to position. 2. Press the RANGE/ / button until the symbol appears in the display. 3. Insert the black test lead banana plug into the negative (-) jack COM and the red test lead banana plug into the positive (+) jack Ω. -
Page 16: Capacitance Measurements
Capacitance Measurements WARNING: To avoid electric shock, disconnect power to the unit under test and discharge all capacitors before taking any capacitance measurements. Remove the batteries and unplug the line cords. 1. Set the function switch to the position. 2. Insert the black test lead banana plug into the negative (-) jack COM and the red test lead banana plug into the positive (+) jack 3. -
Page 17: Maintenance
Maintenance Replacing the Battery WARNING: To avoid electric shock, disconnect the test leads from any source of voltage before removing the battery door. will appear in the display when the battery drops below the operating voltage and requires replacing. 2. Turn off the meter and disconnect the test leads from the meter. 3. -
Page 18: Limited Warranty
Limited Warranty Circuit-Test Electronics warrants to the original purchaser that this product be free of defect in material or workmanship for a period of 2 years from the date of purchase. Any product which has been subjected to misuse or accidental damage is excluded from the warranty.