Extech MN16 Mini Multimeter Manual PDF
Contents
1. 2 Insert the black lead banana plug into the negative COM jack Insert the red test lead banana plug into the positive Q jack 3 Press the MODE button to indicate and Q on the display Touch the test probe tips to the circuit or wire you wish to check 5 Ifthe resistance is less than approximately 150Q the audible signal will sound If the circuit is open the display will indicate OL DIODE TEST 1 Set the function switch to the gt 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 and V on the display 4 Touch the test probes to the diode under test Forward voltage will typically indicate 0 400 to 0 700V Reverse voltage will indicate OL Shorted devices will indicate near OV and an open device will indicate OL in both polarities 8 MN16A V1 2 03 09 TEMPERATURE MEASUREMENTS 1 Set the function switch to the F or C position 2 Insert the Temperature Probe into the input jacks making sure to observe the correct polarity 3 Touch the Temperature Probe head to the part whose temperature you wish to measure Keep the probe touching the part under test until the reading stabilizes about 30 seconds 4 Read the temperature in the display Note The temperature probe is fitted with a type K mini connector A mini connector to banana connector adaptor is s2. Dispose of the old battery as required by local regulations FUSE REPLACEMENT 1 2 3 4 5 Disconnect the test leads from the meter Remove the 2 Phillips head screws located on the back of the instrument and remove the battery cover Gently remove the fuse s and install the new fuse s into the holder s Always use fuses of the proper size and value 500mA 250V ceramic fast blow for the mA pA ranges 10A 250Vceramic fast blow for the A range Secure the fuse battery compartment cover WARNING To avoid electric shock do not operate your meter until the fuse cover is in place and fastened securely 11 MN16A V1 2 03 09 Specifications Function Range Resolution Accuracy DC Voltage 4V 0 001V V DC 40V 0 01V 1 2 reading 2 digits 400V 0 1V 600V 1V 1 5 reading 2 digits AC Voltage 400mV 0 1mV 1 5 reading 15 digits EE 4V 0 001V 1 2 reading 3 digits 40V 0 01V X00 TT 1 5 reading 3 digits 600V 1V 2 0 reading 4 digits 400mV range is not autoranging DC Current 400uA 0 1pA 1 0 reading 3 digits ADE 4000A 1uA 40mA 0 01mA 1 5 reading 3 digits 400mA 0 1mA 10A 0 01A 2 5 reading 5 digits AC Current 400pA 0 1nA 1 5 reading 5 digits WAH 4000pA 1uA 40mA 0 01mA 1 8 reading 5 digits 400mA 0 1mA 10A 0 01A 3 0 reading 7 digits Resistance 4009 0 10 1 2 r
3. equipment may be impaired 4 MN16A V1 2 03 09 Controls and Jacks 4 000 count LCD display MODE button HOLD button 1 I Hd LU A Function switch COM input jack 10A input jack V Q CAP Temp Hz uA and mA input jack REL button RANGE button O oe AN 9n BY N 10 Battery compartment rear Symbols and Annunciators Continuity Pi Diode test EX Low Baty AUTO ts HOLD REL E n nano 107 capacitance u micro 10 amps DC KMQ m milli 10 volts amps AC Hz A Amps C eD SP MB UMVA k kilo 10 ohms nF F Farads capacitance ono M mega 10 ohms MB an an Ge CF Q Ohms Hz Hertz frequency V Volts Percent duty ratio REL Relative AC Alternating current AUTO Autoranging DC Direct current HOLD Display hold F Degrees Fahrenheit c Degrees Centigrade 5 MN16A V1 2 03 09 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 2 If OL appears in the display during a measurement the value exceeds the range you have selected Change to a higher range 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 VDC
4. perform the following 1 2 3 Press the RANGE button The Auto display indicator will turn off Press the RANGE key to step through the available ranges Observe the decimal point and units displayed until the preferred range is located To exit the Manual Ranging mode and return to Autoranging press and hold the RANGE key for 2 seconds Note Manual ranging does not apply for the Capacitance and Frequency functions RELATIVE MODE The relative measurement feature allows you to make measurements relative to a stored zero reference value A reference voltage current etc can be stored and measurements made in comparison to that value The displayed value is the difference between the reference value and the measured value 1 2 3 4 Perform the measurement as described in the operating instructions Press the REL button to store zero the reading in the display The REL indicator will appear on the display The display will now indicate the difference between the stored value and the measured value Press the REL button to exit the relative mode Note The Relative function does not operate in the Frequency function HOLD The hold function freezes the reading in the display Press the HOLD key momentarily to activate or to exit the HOLD function AUTO POWER OFF The auto off feature will turn the meter off after 30 minutes LOW BATTERY INDICATION The E4 icon will appear in the display when the b
5. position 2 Insert the black test lead banana plug into the negative COM jack Insert the red test lead banana plug into the positive V jack 3 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 4 Read the voltage in the display AC VOLTAGE FREQUENCY DUTY CYCLE MEASUREMENTS WARNING Risk of Electrocution The probe tips may not be long enough to contact the live parts inside some 240V outlets for appliances because the contacts are recessed deep in the outlets As a result the reading may show 0 volts when the outlet actually has voltage on it Make sure the probe tips are touching the metal contacts inside the outlet before assuming that no voltage is present CAUTION Do not measure AC 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 VAC position 2 Insert the black test lead banana plug into the negative COM jack Insert red test lead banana plug into the positive V jack 3 Touch the black test probe tip to the neutral side of the circuit Touch the red test probe tip to the hot side of the circuit Read the voltage in the display Press the MODE button to indicate Hz Read the frequency in the display Press the MODE button again to indicate Yo Read the of duty cycle in the display ONDA 6 MN16A
6. User s Guide EXTECH INSTRUMENTS A FLIR COMPANY Autoranging Mini Multimeter Model MN16A AUTO DE HOLD REL Ea SUC Ch BOO Autoranging Mini Multimeter MN16A ore C CAT en DE 3 Introduction Congratulations on your purchase of the Extech MN16A Autoranging Multimeter This meter measures AC DC Voltage AC DC Current Resistance Capacitance Frequency Diode Test and Continuity plus Thermocouple Temperature It features a rugged design for heavy duty use This meter is shipped fully tested and calibrated and with proper use will provide 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 This WARNING symbol indicates a potentially hazardous situation which if not avoided could result in death or serious injury CAUTION This CAUTION symbol indicates a potentially hazardous situation which if not avoided may result damage to the product connected to a circuit point at which the voltage with respect to earth MAX This symbol advises the user that the terminal s so marked must not be ground exceeds in this case 600 VAC or VDC particularly hazardous voltages For maximum safety the meter and its test leads should not be handled when these terminals are ener
7. V1 2 03 09 DC CURRENT MEASUREMENTS CAUTION Do not make 20A current measurements for longer than 30 seconds Exceeding 30 seconds may cause damage to the meter and or the test leads Insert the black test lead banana plug into the negative COM jack For current measurements up to 4000uA DC Set the function switch to the HA position and insert the red test lead banana plug into the HA jack For current measurements up to 400mA DC Set the function switch to the mA position and insert the red test lead banana plug into the mA jack For current measurements up to 10A DC Set the function switch to the 10A position and insert the red test lead banana plug into the 10A jack Press the MODE button to indicate DC on the display Remove power from the circuit under test then open the circuit at the point where you wish to measure current 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 AC CURRENT MEASUREMENTS CAUTION Do not make 20A current measurements for longer than 30 seconds Exceeding 30 seconds may cause damage to the meter and or the test leads Wi Insert the black test lead banana plug into the negative COM jack For current measurements up to AOOOHA AC Set the function switch to the HA position and insert the red test lead banana plug into the HA jack For curre
8. al Audible signal will sound if the resistance is less than 150Q approx test current lt 0 3mA Requires type K thermocouple 7 8MQ Average responding 50Hz to 400Hz 4 000 count liquid crystal OL is displayed 30 minutes approximately Automatic no indication for positive Minus sign for negative 2 times per second nominal EP is displayed if battery voltage drops below operating voltage Two AAA batteries mA HA ranges 0 5A 250V ceramic fast blow A range 10A 250V ceramic fast blow 41 F to 104 F 5 C to 40 C 4 F to 140 F 20 C to 60 C Max 80 up to 87 F 31 C decreasing linearly to 50 at 104 F 40 C lt 80 7000ft 2000meters maximum 0 5lb 225g includes holster 5 31 x 2 67 x 1 7 135 x 68 x 43mm This meter is intended for indoor use and protected against the users by double insulation per EN61010 1 and IEC61010 1 2nd Edition 2001 to CAT III 600V Pollution Degree 2 The meter also meets UL 61010 1 Second Edition 2004 CAN CSA C22 2 No 61010 1 Second Edition 2004 and UL 61010B 2 031 First Edition 2003 CE ETL 13 MN16A V1 2 03 09 Warranty EXTECH INSTRUMENTS CORPORATION warrants the basic instrument to be free of defects in parts and workmanship for three years from date of shipment a six month limited warranty applies on sensors and cables If it should become necessary to return the instrument for service during or beyond the warranty peri
9. attery voltage becomes low Replace the battery when this appears 10 MN16A V1 2 03 09 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 f 2 KEEP THE METER DRY If it gets wet wipe it off USE AND STORE THE METER IN NORMAL TEMPERATURES Temperature extremes can shorten the life of the electronic parts and distort or melt plastic parts HANDLE THE METER GENTLY AND CAREFULLY Dropping it can damage the electronic parts or the case KEEP THE METER CLEAN Wipe the case occasionally with a damp cloth DO NOT use chemicals cleaning solvents or detergents 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 batteries should be removed to prevent damage to the unit BATTERY REPLACEMENT 1 2 3 4 5 Disconnect the test leads from the meter Remove the 2 Phillips head screws located on the back of the instrument and remove the battery cover Replace the 2 AAA batteries Secure the fuse battery compartment cover
10. eading 4 digits AKO 10 1 0 reading 2 digits 40kQ 0 01kQ 400kQ 0 1kQ 1 2 reading 2 digits 4MQ 0 001MQ 40MQ 0 01MQ 2 0 reading 3 digits Capacitance 40nF 0 01nF 5 0 reading 30 digits 400nF 0 1nF 4uF 0 001 uF 3 0 reading 5 digits 40uF 0 01 nF 100uF 0 1uF 5 0 reading 5 digits Duty Cycle 0 1 to 99 9 0 1 1 2 reading 2 digits pulse width range 100us 100ms Frequency 5Hz to 150kHz Temp type K 4 to 1400 F 1 F 3 0 reading 9 F 5 C 20 to 750 C 1 C probe accuracy not included 12 MN16A V1 2 03 09 Function Range Resolution Accuracy Frequency 5 000Hz 0 001Hz h T 1 59 ding 5 digit 50 00Hz 0 01Hz fpleseing Sdigits 500 0Hz 0 1Hz 5 000kHz 0 001kHz 50 00kHz 0 01kHz 1 2 reading 3 digits 500 0kHz 0 1kHz 5 000MHz 0 001MHz 1 5 reading 4 digits Sensitivity gt 0 5V rms min 1MHz gt 3V rms gt 1MHz NOTE Accuracy is stated at 65 F to 83 F 18 C to 28 C and less than 75 RH Diode Test Continuity Check Temperature Sensor Input Impedance AC Response ACV Bandwidth Display Overrange indication Auto Power Off Polarity Measurement Rate Low Battery Indication Battery Fuses Operating Temperature Storage Temperature Operating Humidity Storage Humidity Operating Altitude Weight Size Safety Approvals Test current of 0 3mA typical open circuit voltage 1 5V DC typic
11. ecifications subject to change without notice For the latest version of this User s Guide Software updates and other up to the minute product information visit our website www extech com Extech Instruments Corporation 285 Bear Hill Rd Waltham MA 02451 Copyright 2009 Extech Instruments Corporation a FLIR company All rights reserved including the right of reproduction in whole or in part in any form 14 MN16A V1 2 03 09
12. gized This symbol indicates that a device is protected throughout by double This symbol adjacent to one or more terminals identifies them as being associated with ranges that may in normal use be subjected to O insulation or reinforced insulation PER IEC1010 OVERVOLTAGE INSTALLATION CATEGORY OVERVOLTAGE CATEGORY Equipment of OVERVOLTAGE CATEGORY is equipment for connection to circuits in which measures are taken to limit the transient overvoltages to an appropriate low level Note Examples include protected electronic circuits OVERVOLTAGE CATEGORY II Equipment of OVERVOLTAGE CATEGORY is energy consuming equipment to be supplied from the fixed installation Note Examples include household office and laboratory appliances OVERVOLTAGE CATEGORY III Equipment of OVERVOLTAGE CATEGORY III is equipment in fixed installations 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 2 MN16A V1 2 03 09 CAUTIONS Improper use of this meter can cause damage shock injury or death Read and understand this user manual before operating the meter Always remove the test leads before replacing the battery or fuses Inspect the condition of
13. nt measurements up to 400mA AC Set the function switch to the mA position and insert the red test lead banana plug into the mA jack For current measurements up to 10A AC Set the function switch to the 10A position and insert the red test lead banana plug into the 10A jack Press the MODE button to indicate AC on the display Remove power from the circuit under test then open the circuit at the point where you wish to measure current 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 7 MN16A V1 2 03 09 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 Q position 2 Insert the black test lead banana plug into the negative COM jack Insert the red test lead banana plug into the positive Q jack 3 Press the MODE button to indicate Q on the display 4 Touch the test probe tips across the circuit or part under test 5 Read the resistance in the display CONTINUITY CHECK WARNING To avoid electric shock never measure continuity on circuits or wires that have voltage on them 1 Set the function switch to the D position
14. od contact the Customer Service Department at 781 890 7440 EXTENSION 210 for authorization or visit www extech com for more information A Return Authorization RA number must be issued before any product is returned to Extech The sender is responsible for shipping charges freight insurance and proper packaging to prevent damage in transit This warranty does not apply to defects resulting from action of the user such as misuse improper wiring operation outside of specification improper maintenance or repair or unauthorized modification Extech specifically disclaims any implied warranties or merchantability or fitness for a specific purpose and will not be liable for any direct indirect incidental or consequential damages Extech s total liability is limited to repair or replacement of the product The warranty set forth above is inclusive and no other warranty whether written or oral is expressed or implied Calibration and Repair Services Extech offers repair and calibration services for the products we sell Extech also provides NIST certification for most products Call the Customer Care Department for information on calibration services available for this product Extech recommends that annual calibrations be performed to verify meter performance and accuracy rm Support line 781 890 7440 Technical Support Extension 200 E mail support extech com Repair amp Returns Extension 210 E mail repair extech com Product sp
15. the skin Always therefore use suitable hand gloves in such cases See that the batteries are not short circuited Do not throw batteries into the fire 3 MN16A V1 2 03 09 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 Protection Limits Function Maximum Input V DC or VAC 600VDC AC mA AC DC 400mA AC DC AAC DC 10A AC DC 20A for 30 sec max every 15 min Frequency Resistance Capacitance Diode Test Continuity Temperature 250VDC AC earth ground USE EXTREME CAUTION when working with high voltages DO NOT measure voltage if the voltage on the COM input jack exceeds 600V above NEVER connect the meter leads across a voltage source while the function switch is in the current resistance or diode mode Doing so can damage the meter ALWAYS discharge filter capacitors in power supplies and disconnect the power when making resistance or diode tests ALWAYS turn off the power and disconnect the test leads before opening the covers to replace the fuse or batteries NEVER operate the meter unless the back cover and the battery and fuse covers are in place and fastened securely If the equipment is used in a manner not specified by the manufacturer the protection provided by the
16. the test leads and the meter itself for any damage before operating the meter Repair or replace any damage before use Use great care when making measurements if the voltages are greater than 25VAC rms or 35VDC These voltages are considered a shock hazard Warning This is a class A equipment This equipment can cause interferences in the living quarters in this case the operator can be required to carry out adequate measures Always discharge capacitors and remove power from the device under test before performing Diode Resistance or Continuity tests Voltage checks on electrical outlets can be difficult and misleading because of the uncertainty of connection to the recessed electrical contacts Other means should be used to ensure that the terminals are not live If the equipment is used in a manner not specified by the manufacturer the protection provided by the equipment may be impaired This device is not a toy and must not reach children s hands It contains hazardous objects as well as small parts that the children could swallow In case a child swallows any of them please contact a physician immediately Do not leave batteries and packing material lying around unattended they can be dangerous for children if they use them as toys In case the device is going to be unused for an extended period of time remove the batteries to prevent them from training Expired or damaged batteries can cause cauterization on contact with
17. upplied for connection to the input banana jacks 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 rotary function switch to the CAP position 2 Insert the black test lead banana plug into the negative COM jack Insert the red test lead banana plug into the positive CAP jack 3 Press the MODE button to indicate nF on the display 4 Touch the test leads to the capacitor to be tested 5 Read the capacitance value in the display FREQUENCY DUTY CYCLE MEASUREMENTS 1 Set the rotary function switch to the Hz position 2 Press the MODE button to indicate Hz in the display Insert the black lead banana plug into the negative COM jack Insert the red test lead banana plug into the positive Hz jack Touch the test probe tips to the circuit under test Read the frequency on the display Press the MODE button again to indicate Yo on the display Read the of duty cycle on the display o DY P 9 MN16A V1 2 03 09 AUTORANGING MANUAL RANGE SELECTION When the meter is first turned on it automatically goes into Autoranging This automatically selects the best range for the measurements being made and is generally the best mode for most measurements For measurement situations requiring that a range be manually selected
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