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Summary of Contents for Major tech MT1885
- Page 1 INSTRUCTION MANUAL MT1885 1500V DC MULTIMETER...
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Page 3: Table Of Contents
Contents Page no 1. Introduction..................4 2. Safety Symbols..................4 3. Safety Instructions................5 4. Controls and Jacks................6 5. Symbols and Annunciators..............7 6. Operating Instructions...............7 6.1. DC Voltage Measurements............8 6.2. AC Voltage Measurements............8 6.3. AC /DC Current Measurements..........9 6.4. Resistance Measurements............10 6.5. Continuity Check..............10 6.6. -
Page 4: Introduction
1. INTRODUCTION This meter measures AC/DC Voltage, AC/DC Current, Resistance, Capacitance, Frequency (electrical & electronic), Duty Cycle, Diode Test, and Continuity plus Thermocouple Temperature. Proper use and care of this meter will provide many years of reliable service. 2. SAFETY SYMBOLS This symbol adjacent to another symbol, terminal or operating device indicates that the operator must refer to an explanation in the Operating Instructions to avoid personal... -
Page 5: Safety Instructions
Note – Examples include switches in the fixed installation and some equipment for industrial use with permanent connection to the fixed installation. OVERVOLTAGE CATEGORY IV Equipment of OVERVOLTAGE CATEGORY IV is for use at the origin of the installation. Note – Examples include electricity meters and primary over-current protection equipment 3. -
Page 6: Controls And Jacks
4. CONTROLS AND JACKS 1 - 6,000 count LCD display 7 - COM input jack 2 - Hz% button 8 - Positive input jack 3 - RANGE button Backlight and Hold button 4 - MODE button 10 - MAX/MIN button 5 - Function switch 11 - REL button 6 - mA, μA and 10A input jacks... -
Page 7: Symbols And Annunciators
5. SYMBOLS AND ANNUNCIATORS Continuity Relative Diode test Alternating current Battery status Direct current nano (10- ) (capacitance) Minimum µ micro (10- ) (amps, cap) Maximum milli (10- ) (volts, amps) Auto Range Timing symbol AUTO Backlight Bargraph Amps Volts kilo (10 ) (ohms) AUTO Auto ranging... -
Page 8: Dc Voltage Measurements
6.1. 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 "DC" position. 2. -
Page 9: Ac/Dc Current Measurements
6.3. AC/DC CURRENT MEASUREMENTS CAUTION: Do not make 10A current measurements 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 10: Resistance Measurements
6.4. 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 CAP position. -
Page 11: Diode Test
6.6. DIODE TEST 1. Set the function switch to the Ω CAP 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. 3. Press the MODE button to indicate " "... -
Page 12: Frequency Measurement
6.9. FREQUENCY MEASUREMENT 1. Set the function switch to the Hz/Duty 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 (F). 3. Touch the test probe tips to the circuit under test. 4. -
Page 13: Data Hold Button
6.12. DATA HOLD BUTTON The Data Hold function allows the meter to "freeze" a measurement for later reference. 1. Press the DATA HOLD button to "freeze" the reading on the indicator. The indicator "HOLD" will be appear in the display. 2. -
Page 14: Maintenance
7. MAINTENANCE WARNING: To avoid electric shock, disconnect the test leads from any source of voltage before removing the back cover or the battery or fuse covers. WARNING: To avoid electric shock, do not operate your meter until the battery and fuse covers are in place and fastened securely. This Multimeter is designed to provide years of dependable service, if the following care instructions are performed: 1. -
Page 15: Specifications
8. SPECIFICATIONS 8.1. DC VOLTAGE (AUTO-RANGING) Range Resolution Accuracy 600.0mV 0.1mV ±0.9% of reading ± 9digits 6.000V ±0.5% of reading ± 5digits 60.00V 10mV 600.0V 100mVV 1500V ±0.6% of reading ± 6 digits Input Impedance: approx. 10MΩ. Maximum Input: 1500V DC or 1000V AC RMS. 8.2. -
Page 16: Ac Current (Auto-Ranging)
8.4. AC CURRENT (AUTO-RANGING) Range Resolution Accuracy 600.0uA 0.1uA 6000uA ±1.5% of reading ± 3 digits 60.00mA 10uA 600.0mA 100uA 10mA ±2.0% of reading ± 3 digits All AC Current ranges are specified from 5% of range to 100% of range AC Current bandwidth: 50Hz to 1kHz (Sine);... -
Page 17: Frequency (Electronic) (Auto-Ranging)
8.7. FREQUENCY (ELECTRONIC) (AUTO-RANGING) Range Resolution Accuracy 9.999Hz 0.001Hz 99.99 Hz 0.01Hz 999.9 Hz 0.1Hz 9.999KHz 1 Hz ±(1.2% reading ± 4 digits) 99.99kHz 10Hz 999.9kHz 100Hz 9.999MHz 1kHz Sensitivity: 0.8V RMS min. at 20% to 80% duty cycle and <100kHz; 5VRMS min at 20% to 80% duty cycle and >100kHz. -
Page 18: Diode Test
8.11. DIODE TEST Range Resolution Accuracy 0.9mA typical 1 mV ±10% of reading ± 5 digits Open circuit voltage: MAX. 3.2V DC typical. Overload protection: 250VDC/AC RMS. 8 2 AUDIBLE CONTINUITY .1 . Range Function Enclosure Double molded, waterproof Shock (Drop Test) 6.5 feet (2 meters) Diode Test Test current of 0.9mA maximum, open circuit... -
Page 19: Non-Contact Voltage (Ncv)
8.14. NON-CONTACT VOLTAGE (NCV) Function Range Auto Power Off 15 minutes (approximately) with disable feature Polarity Automatic (no indication for positive); Minus (-) sign for negative Measurement Rate 3 times per second, nominal Low Battery Indication “ “ is displayed if battery voltage drops below operating voltage Battery One 9 volt (NEDA 1604) battery... - Page 20 MAJOR TECH (PTY) LTD South Africa Australia www.major-tech.com www.majortech.com.au sales@major-tech.com info@majortech.com.au...