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Summary of Contents for Extech Instruments MN47
- Page 1 User's Guide Autoranging Multimeter Model MN47...
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Page 2: Safety Instructions
Introduction Congratulations on your purchase of the MN47 MultiMeter. The MN47 offers AC/DC Voltage, AC/DC Current, Resistance, Diode, and Continuity and 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 explanation in the Operating Instructions to avoid personal injury or damage to the meter. -
Page 3: Symbols And Annunciators
8. COM (negative) input jack 9. Positive 10A input jack 10. Positive input jack Symbols and Annunciators •))) Continuity Diode test Low battery HOLD Data hold Auto Autoranging Alternating current Direct current Relative µ micro (amps) milli (volts, amps) kilo (ohms) Ω Ohms MN47-EU-EN-V3.0–12/11... -
Page 4: Range Button
Press the RELATIVE button to store the reading in the display and the REL indicator will appear on the display. The display will now indicate the difference between the stored value and measured value. Press the RELATIVE button to return to normal operation. MN47-EU-EN-V3.0–12/11... -
Page 5: Non-Contact Ac Voltage Detector
V jack. Touch the black test probe tip to the neutral side of the circuit. Touch the red test probe tip to the “hot” side of circuit. Read the voltage in the display. MN47-EU-EN-V3.0–12/11... -
Page 6: Dc Voltage Measurements
Touch the test probe tips across the circuit or component under test. It is best to disconnect one side of the circuit under test so the rest of the circuit will not interfere with the resistance reading. Read the resistance in the display. MN47-EU-EN-V3.0–12/11... -
Page 7: Ac / Dc Current Measurements
Touch the black test probe tip to the negative side of the circuit. Touch the red test probe tip to the positive side of the circuit. Apply power to the circuit. Read the current in the display. MN47-EU-EN-V3.0–12/11... -
Page 8: Continuity Check
“OL” the diode is good. Reverse voltage will indicate “OL”. Shorted devices will indicate near 0V and an open device will indicate “OL” in both polarities. The value indicated in the display is the forward voltage. ► MN47-EU-EN-V3.0–12/11... -
Page 9: Capacitance Measurements
Insert the red test lead banana plug into the positive HZ jack. Touch the black test probe tip to one side of the device. Touch the red test probe tip to the other side of the device. Read the Frequency value display. MN47-EU-EN-V3.0–12/11... -
Page 10: Maintenance
USE ONLY FRESH BATTERIES OF THE RECOMMENDED SIZE AND TYPE. Remove old or weak batteries so they do not leak and damage the unit. IF THE METER IS TO BE STORED FOR A LONG PERIOD OF TIME, the battery should be removed to prevent damage to the unit. MN47-EU-EN-V3.0–12/11... -
Page 11: Low Battery Indication
Gently remove the fuse(s) and install new fuse(s) into the holder(s). Always use fuses of the proper size and value (0.5A/250V fast blow for the 400mA range, 10A/250V fast blow for the 10A range). Replace and secure the fuse/battery compartment cover . MN47-EU-EN-V3.0–12/11... -
Page 12: Range Specifications
0.1uF ±(5.0% reading + 5 digits) Notes: Accuracy specifications consist of two elements: • (% reading) – This is the accuracy of the measurement circuit. • (+ digits) – This is the accuracy of the analog to digital converter. MN47-EU-EN-V3.0–12/11... - Page 13 99.99kHz 10Hz 999.9kHz 100Hz 9.999MHz 1kHz ±(1.5% reading + 4 digits) ±(1.2% reading + 2 digits) Duty Cycle 0.1%-99.99% 0.1% Temperature -20ºC~+760ºC 1ºC ±(3.0% reading + 5ºC/9ºF) -4ºF~+1400ºF 1ºF ±(10% reading + 5 digits) Diode Test 0.3mA typical 1mV MN47-EU-EN-V3.0–12/11...
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Page 14: General Specifications
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 Copyright © 2011 Extech Instruments Corporation (a FLIR company) All rights reserved including the right of reproduction in whole or in part in any form.
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