DMM570 - General Tools And Instruments
Contents
1. 14 to 122 F 10 to 50 C 6562 ft 2000m 1 9V battery 6 9 x 3 3 x 2 1 in 176 x 84 x 54mm 13 4 oz 3809 3 16596 2 396 3 x 5 5 x 1 for operation at 63 F and 83 F one degree outside the range 3 33 2 396 3 x 5 5 x 2 for operation at 62 F and 84 F two degrees outside the range 3 495 3 3 x 5 5 x 3 for operation at 61 F and 85 F three degrees outside the range etc 21 OPERATING amp MAINTENANCE TIPS When the 5 icon appears at the upper left of the LCD it s time to replace the 9V battery that powers the meter although measurements will remain valid for several hours after the icon first appears To replace the battery follow the instructions on p 9 Do not operate the DMM570 in the presence of a flammable or explosive gas or near an arc welder or induction heater After subjecting the meter to a large change in ambient temperature wait at least 30 minutes before making measurements to guarantee the accuracy of readings Remove the battery when storing the meter or when you do not expect to use it for an extended period of time months rather than weeks Do not disassemble the DMM570 or immerse it in water WARRANTY INFORMATION General Tools amp Instruments General s DMM570 Rugged True RMS Multimeter with NCV Detection and Low Z Mode is warranted to the original purchaser to be free from defects in material and work2. 66V 600V 1000V 0 8 of reading 3 digits in 660mV and 1000V ranges 0 5 of reading 5 digits in other ranges 250VDC VACays in 660mV range 600VDC VACays in 660mV 6 6V 66V and 600V ranges 0 to 6600A 6 6mA 66mA 660mA 10A 3 of reading 5 digits in 10A range 1 596 of reading 5 digits in other ranges 600mA 1000V fuse with rotary function switch in fa or ima position 10A 1000V fuse with rotary function switch in amp position 0 to 6600A 6 6mA 66mA 660mA 10A 2 of reading 5 digits in 10A range 196 of reading 5 digits in other ranges 600mA 1000V fuse with rotary function switch in in g or a position 10A 1000V fuse with rotary function switch in x position 0 to 660 2 6 6k 2 66kO 660k 6 6MO 66M 1 5 of reading 5 digits in 66MQ range 0 8 of reading 5 digits in other ranges 10Hz to 66Hz 660Hz 6 6kHz 66kHz 660kHz 6 6MHz 66MHz for 3V peak to peak AC inputs 1 5 of reading 5 digits 250VDC VACems Parameter or Feature Function Frequency with rotary function switch in v position Measurement ranges Measurement accuracy Capacitance Measurement ranges Measurement accuracy Continuity Open circuit voltage Threshold Reverse DC voltage Forward DC current Measurement range Measurement accuracy resolution Measurement range Measurement accuracy excluding thermocouple Overload protec
3. Auto Power Off can be disabled Magnetic hanging strap 3 year limited warranty WHAT S IN THE BOX The meter is supplied in a nylon carrying pouch inside an illustrated box Also inside the pouch are a set of 1000V 10A rated double insulated test leads with screw on alligator clips a K type stem thermocouple probe and plug adapter a magnetic hanging strap 1 9V battery and this user s manual PRODUCT OVERVIEW Fig 1 shows the labels and positions of the controls indicators and physical structures of the DMM570 Fig 2 shows all possible indications on the LCD Familiarize yourself with the functions and meanings of these controls indicators and connectors before moving on to the Setup Instructions and Operating Instructions Fig 1 The controls indicators and physical structures of the DMM570 Non contact voltage NCV visual indication red LED Q LCD 3 Function buttons RELA Multi function button Used to 1 Enter relative measurement mode see p 10 and 2 Disable the meter s Auto Power Off function see p 11 RANGE Switches between Auto ranging and Manual ranging modes see p 9 MAX MIN Enters Max Min mode see p 10 in which the secondary display shows the largest and smallest values of any parameter since switching to measure it HOLD Freezes the primary and secondary readouts but not the analog bar graph at the bottom of the LCD FUNC Multi functio
4. black COM jack at the bottom right of the front panel 5 Plug the red test lead into the red 10A or uA mA jack at the bottom left of the front panel Choose the uA mA jack if you have set the rotary function switch to the Fa or a position and the 10A jack if you have set the rotary function switch to the x position 6 Break the circuit and connect the test leads across the break Connect the red lead to the higher voltage side of the break and the black lead to the lower voltage side 7 Re apply power to the circuit and read the measured current amplitude on the primary readout If O L is the reading the current amplitude exceeds the limit of the 12 selected current measurement mode If this is the case move the rotary function switch to the next highest position among fA mA and amp Notes A During measurements of AC current the primary readout shows the amplitude of the current while the secondary readout in the upper right corner shows the frequency of the current B General s FX3000 Flex Clamp Adapter makes it possible to enclose a thick or hard to reach conductor a bundle of conductors or a busbar carrying up to 3000A The accessory uses induction to convert current readings to millivolt values that can be displayed by the DMM570 For more information or to order visit www generaltools com and enter FX3000 in the SEARCH box MEASURING AC OR DC VOLTAGE AA Warning AA Do not measure voltage higher than
5. leads to the terminals of the capacitor 7 Read the measured capacitance on the display MEASURING FREQUENCY AND DUTY CYCLE As described earlier the DMM570 automatically measures the frequency of measured AC currents and voltages and displays them on the secondary readout However the range of frequencies that can be measured and displayed in this way is limited to 10Hz to 1kHz Using the Hz position of the rotary function switch expands the range of measurable frequencies to 10Hz to 66MHz while providing better measurement resolution via multiple ranges and greater measurement accuracy To measure frequency in this way 1 Turn the rotary function switch to the Hz position 2 Plug the black test lead into the front panel COM jack and the red test lead into the J884 jack 3 Touch or clip the test leads to the voltage source or between loads 4 Read the measured frequency on the primary readout and the duty cycle as a percentage on the secondary readout 17 MEASURING TEMPERATURE To measure the temperature of a solid liquid or gas 1 Turn the rotary function switch to the Temp position The primary readout will show spurious readings until a thermocouple probe is plugged into the meter s front panel jacks 2 Plug the included plug adapter into the red and black jacks at the bottom front of the meter Make sure to insert the positive plug of the adapter into the tet jack and the COM plug into the CO
6. 600V Doing so may damage the meter s internal circuitry If the voltage is over 1000V the beeper will sound continuously indicating an over range measurement 1 Turn the rotary function switch to the v position By default when the switch is initially set to this position the meter is configured to measure DC voltage as indicated by the 2 display icon on the left side of the LCD To measure AC voltage press the FUNC button to change the icon to Ac 2 Plug the black test lead into the front panel COM jack and the red test lead into the Vertex jack 3 Touch the black test lead to the lower potential point of the circuit under test and the red test lead to the higher potential point 4 Read the measured voltage on the display When measuring DC voltage if the test leads are reversed a minus sign will appear at the left of the displayed value Note During measurements of AC voltage the primary readout shows the amplitude of the voltage while the secondary readout in the upper right corner shows the frequency of the voltage 13 Using the Non contact Voltage Detector The DMM570 s NCV detector provides a safe non contact way to check whether a line cable or AC outlet is hot energized At the top of the meter Fig 1 Callout 6 is an NCV sensor that can detect from a short distance the electromagnetic field created by AC voltage If voltage is detected the meter produces audible and visual alarms a beeping soun
7. GENERAL RUGGED TRUE RMS MULTIMETER WITH NCV DETECTION AND LOW Z MODE USER S MANUAL DMM570 TRAMS DIGITAL MULTIMETER ca eui Qu OFF LJ DMM570 Please read this manual carefully and thoroughly before using this product TABLE OF CONTENTS IritiodUuctior u cou Been sai i es 3 Key Features 3 What s in the Box ccc cece eee eee 4 Product Overview 0 cece eee eaes 4 5 Safety Instructions c0c eee eee 6 8 Setup Instructions 0 0 ccc eee eee 9 Install Battery 0 cece eee 9 Operating Instructions lisse 9 19 General Instructions Lies 9 12 Ranging Options 000 9 10 Holding Readings Lise 10 Tracking Maximum and Minimum Readings 10 Making Relative Measurements 10 11 Disabling Auto Power Off APO 11 Using the Analog Bar Graph 11 Turning on the Backlight 12 Measuring AC or DC Current 12 13 Measuring AC or DC Voltage 13 15 Using the Non contact Voltage Detector 14 15 Operating in Lo Z Mode 15 Measuring Resistance 15 16 Checking for Continuity 00 16 Checking the Integrity of a Diode 16 17 Measuring Capacitance 17 Measuring Frequency and Duty Cycle 17 Measuring Temperature 18 19 Specifications 00ece ee
8. M jack SPECIFICATIONS Parameter or Feature Function Attribute AC voltage True RMS with rotary Measurement ranges function switch in x or Lo Z position Measurement accuracy Overload protection DC voltage Measurement ranges Measurement accuracy Overload protection AC current True RMS Measurement ranges Measurement accuracy Overload protection DC current Measurement ranges Measurement accuracy Overload protection Resistance Measurement ranges Measurement accuracy Frequency with rotary function Measurement ranges switch in HZ position Measurement accuracy Overload protection 18 3 Plug the included K type thermocouple or a different K type thermocouple into the adapter Make sure to insert the slightly wider blade of the thermocouple into the negative slot of the adapter 4 To measure a surface temperature firmly attach the tip of the thermocouple to the surface To measure the temperature of a liquid or gas including ambient air make sure that the tip of thermocouple is within the fluid 5 Read the measured temperature on the primary readout Use the FUNC button to toggle between F and C units Specification 0 to 660mV 6 6V 66V 600V 750V 1 2 of reading 5 digits in 6 6V and 66V ranges 1 5 of reading 5 digits in other ranges 250VDC VACays in 660mV range 600VDC VACays in other ranges 0 to 660mV 6 6V
9. again releases the hold and removes the m icon While readings are held the analog bar graph at the bottom of the LCD continues to track real time readings of the parameter being measured Tracking Maximum and Minimum Readings Pressing the MAX MIN button once switches the secondary readout to show the argest value of the parameter being measured since entering that measurement mode The primary display and the analog bar graph at the bottom of the LCD will continue to show real time readings Pressing the MAX MIN button a second time switches the secondary readout to show the smallest value of the parameter being measured since entering that measurement mode The primary display and the analog bar graph at the bottom of the LCD will continue to show real time readings Pressing the MAX MIN button a third time resumes normal display operation with different values in the primary and secondary readouts When the MAX MIN button is pressed the meter will automatically exit Auto Ranging mode and enter Manual Ranging mode using the full scale range in effect at that moment Making Relative Measurements Pressing the RELA button during measurement of current voltage resistance or capacitance freezes the value being measured at that instant on the secondary 10 upper readout The term REL will appear at the upper left of the LCD to indicate operation in this special mode In REL mode the primary lower readout shows the differenc
10. ce e For all DC functions in both auto and manual ranging mode to avoid the risk of shock due to possible improper reading verify the presence of any AC voltages by first using the AC function Then select a DC voltage range equal to or greater than the AC range e Before measuring current turn off power to the circuit before connecting the meter Do not operate the meter with the case or part of the case removed Use only 1 9V battery properly installed in the battery compartment to power the meter Do not use rechargeable batteries Replace the battery as soon as the low battery indicator appears Operated with a weak battery the meter might produce false readings that could lead to electric shock and personal injury e Remove the test leads from the meter before opening the meter case or battery compartment Electrical Symbols Used On the Meter and In This Manual Symbol Description Symbol Description AC Alternating Fuse Current t DC 5 Double Direct Current Insulated A Caution risk of A Risk of danger electric shock Important Hazardous information voltage Refer to the manual Battery Low battery a Earth ground when shown on display kF Diode Continuity Beeper AC or DC Q Resistance Capacitance Application and removal Tt from hazardous live conductors permitted CAT III For measurements CAT IV For measurements on made on building e
11. d and a flashing red light from an LED near the top of the front panel Fig 1 Callout 1 Even unloaded AC circuits generate electromagnetic fields Although these fields are extremely weak their constantly changing nature means that they generate some current A sensitive NCV detector can sense this current via induction in much the same way that a sensitive radio receiver can sense weak radio waves NCV detectors cannot detect DC voltages such as those present in automotive electrical systems In addition the DMM570 typically cannot detect 120VAC from a distance of more than 0 25 in 6 2mm and never through a wall or metal conduit AA Warning AA The NCV detector in the DMM570 is designed to indicate the presence of AC voltage with an amplitude of 110VAcnys or greater However do not assume that the absence of a positive indication means that the circuit under test is de energized not hot Do not rely solely on NCV detection to determine the presence of voltage in a wire NCV detection may be affected by the design of the outlet the type of wiring insulation and other external factors Also be aware that false positive NCV indications may be triggered by connection of the meter s test leads to a voltage source or by external interference from a flashlight motor or other electrical device Whenever you have reason to suspect that a line or outlet is hot confirm your suspicion by measuring the voltage of the line
12. dicated by the term MQ at the lower right of the LCD and Auto Ranging modes and 2 display 0 L indicating an open circuit on the primary readout 2 Plug the black test lead into the front panel COM jack and the red test lead into the i2 jack 3 Measure the resistance by touching or clipping the test leads to the desired test points of the circuit or to the terminals of a component as shown below RED TEST LEAD BLACK TEST LEAD 4 Read the measured resistance on the display If the measured resistance value is greater than 66MQ 0 L will appear on the primary readout The meter will take a few seconds to stabilize when measuring resistances greater than 1MQ CHECKING FOR CONTINUITY 1 Turn the rotary function switch to the s position Press the FUNC button once to select the continuity check function Until the test leads are plugged in the primary readout will show OL with the icon of a continuity beeper en above it 2 Plug the black test lead into the front panel COM jack and the red test lead into the m2 jack 3 Touch or clip the test leads to any two points of the circuit The resistance between those two points will be shown on the primary readout If the resistance is 309 the beeper will sound continuously If there is no continuity an open circuit or a resistance greater than 600 between the two points O L will appear on the primary readout CHECKING THE INTEGRITY OF A DIODE 1 Turn th
13. e between ongoing measurements and the frozen value REL mode is useful for tracking changes in dynamic processes or deviations from baseline readings When the RELA button is pressed the meter automatically exits Auto Ranging mode and enters Manual Ranging mode using the full scale range in effect at that moment To exit REL mode press the RELA button again Disabling Auto Power Off APO By default the meter automatically powers itself off if no front panel button is pressed within any span of 15 minutes Fifteen seconds before the end of this 15 minute period the meter announces that the APO function is about to engage by sounding a sequence of 3 double beeps followed by a long beep Once the APO function has activated and powered the meter off you can wake the meter up simply by turning the rotary function switch to a different position The icon on the left side of the LCD indicates that the APO function is enabled To disable the APO function you must power on the meter in a special way by pressing and holding the RELA button while turning the rotary function switch to any position other than OFF If the meter is powered on in this way the C icon will not appear If the meter is left unattended with APO disabled it will remain powered on until its battery discharges typically several days later Using the Analog Bar Graph The bar graph at the bottom of the LCD see below provides an analog representation of e
14. e ees 18 21 Operating amp Maintenance Tips 21 Warranty Information LL 22 23 Return for Repair Policy Llusse 23 INTRODUCTION Thank you for purchasing General Tools amp Instruments General s DMM570 Rugged True RMS Multimeter with NCV Detection and Low Z Mode Please read this user s manual carefully and thoroughly before using the instrument The DMM570 is designed for use in an industrial setting by HVAC R contractors building maintenance technicians MRO maintenance repair and operations personnel at process and power plants electricians and electrical electronic technicians KEY FEATURES e 19 functions 48 ranges e Measures AC DC voltage AC DC current resistance capacitance frequency and duty cycle Also measures temperature from 58 to 1112 F 50 to 600 C with included K type stem thermocouple probe Checks continuity and diode integrity e True RMS measurements IP54 water oil dust protection 6 ft 1 8m drop resistant Designed to meet CAT III 1000V CAT IV 600V safety standard Auto or manual ranging Non contact voltage NCV detection Lo Z low impedance filter mode avoids ghost readings due to capacitive coupling of voltage from power supply conductors onto adjacent unused conductors Backlit 3 3 4 digit 6 600 count dual readout LCD 66 segment analog bar graph at bottom of LCD Hold Max Min Rel Zero display options 15 minute
15. e rotary function switch to the c3 position Press the FUNC button twice to select the diode check function Until the test leads are plugged in the primary readout will show OL with the icon of a diode gt above it 2 Plug the black test lead into the front panel COM jack and the red test lead into the tee jack 3 Connect the red test lead to the anode positive terminal of the diode to be tested and the black test lead to its cathode negative terminal as shown below RED TEST LEAD BLACK TEST LEAD 4 Read the diode s forward bias voltage drop on the display A silicon diode typically has a forward bias voltage of 0 7V A germanium diode typically has a forward bias voltage of 0 3V A OV reading in both directions indicates a shorted diode An OL reading 16 indicates an open diode In either case the diode is defective and should be replaced MEASURING CAPACITANCE To avoid possible damage to the meter or other equipment turn off the power source and discharge all high voltage capacitors 1 Disconnect the capacitor from power 2 Short the capacitor s terminals to discharge it 3 Disconnect any resistors between the terminals of the capacitor 4 Turn the rotary function switch to the 4 position Until the test leads are plugged in the primary readout will show 0 000 nF 5 Plug the black test lead into the front panel COM jack and the red test lead into the ves jack 6 Connect the test
16. manship for a period of three years Subject to certain restrictions General will repair or replace this instrument if after examination the company determines it to be defective in material or workmanship The warranty period begins on the date of purchase You are encouraged to register your product online General will extend your warranty an additional 60 days if you register at www generaltools com ProductRegistry This warranty does not apply to damages that General determines to be from an attempted repair by non authorized personnel or misuse alterations normal wear and tear or accidental damage The defective unit must be returned to General Tools amp Instruments or to a General authorized service center freight prepaid and insured 22 Acceptance of the exclusive repair and replacement remedies described herein is a condition of the contract for purchase of this product In no event shall General be liable for any incidental special consequential or punitive damages or for any cost attorneys fees expenses or losses alleged to be a consequence of damage due to failure of or defect in any product including but not limited to any claims for loss of profits Register now at www generaltools com ProductRegistry to receive a 60 day extension to your warranty RETURN FOR REPAIR POLICY Every effort has been made to provide you with a reliable product of superior quality However in the event your instrument requi
17. n button 1 With the rotary function switch in the v BA ma or A position selects AC or DC voltage see p 13 or current see p 12 2 With the rotary function switch in the Temp position selects F or C unit see p 18 3 With the rotary function switch in the position selects resistance measurement continuity checking or diode integrity verification see p 15 17 e Turns the backlight on and off e NCV Activates the non contact voltage sensor see p 14 Rotary function switch Input jacks uA mA jack is used to measure currents with amplitude lt 600mA 10A jack is used to measure currents with amplitude from 600mA to 10A NCV sensor Battery compartment on back Flip up stand on back grease ARABA nnonns AO E M Fig 2 All possible display indications SAFETY INSTRUCTIONS AA Warning AA To avoid possible electric shock or personal injury and to avoid damaging the meter or the equipment under test Do not use the meter in any way not detailed in this manual or the meter s safety features may be compromised e Before using the meter inspect the case Do not use the meter if it is damaged Look for cracks or missing plastic Pay particular attention to the insulation around the connectors e AAWARNING Inspect the test leads for damaged insulation or exposed metal Check the test leads for continuity Replace damaged test leads before using the meter Verify
18. nters Auto Ranging mode when powered on In this mode the meter chooses the measurement range that maximizes the resolution of its current voltage resistance capacitance and frequency measurements The term indicates operation in Auto Ranging mode To switch to Manual Ranging for any parameter other than temperature press the RANGE button once This will make the term disappear and cause the meter to enter the broadest full scale range available for that parameter see the Specifications section beginning on p 18 for a list of the measurement ranges available for each parameter Once the meter is in manual ranging mode each subsequent press of the RANGE button reduces the full scale range by an order of magnitude a factor of 10 For example pressing the RANGE button with the meter operating in the 0 to 660pF full scale manual range reduces the full scale range to 0 to 66pF and improves measurement resolution The next press of the button reduces the range to 0 to 6 6uF When the smallest full scale range has been reached the next press of the RANGE button switches the meter back to the largest full scale manual range for the parameter being measured To exit Manual Ranging mode and return to Auto Ranging mode press and hold the RANGE button Holding Readings Pressing the HOLD button freezes the values on both the primary and secondary readouts and causes an icon to appear at the top left of the LCD Pressing the button
19. or outlet using the test leads with the meter s rotary function switch in the v position To check whether a line cable or AC outlet is hot energized touch it with the top of the meter or bring the top within 1 4 inch of it while pressing and holding the 14 front panel NCV button If the beeper sounds repeatedly and the red LED flashes rapidly the line or outlet is energized The NCV detector works with the rotary function switch in any position Operating in Lo Z Mode The DMM570 normally presents a high input impedance of 10MQ2 to circuits to which it is connected by the test leads However the meter can also be operated in a mode that presents a much lower impedance of 400kC This mode is useful for avoiding ghost readings resulting from capacitive coupling of voltage from power supply conductors onto adjacent unused conductors To operate in this mode turn the rotary function switch to the Lo Z position and follow the above instructions for measuring AC voltage MEASURING RESISTANCE AA Warning AA To avoid electrical shock or damage to the meter when measuring the resistance or checking the continuity of a circuit make sure power to the circuit is turned off and all capacitors are discharged 1 Turn the rotary function switch to the c3 position By default when the switch is initially set to this position with the test leads not plugged in the meter will automatically 1 enter resistance measurement in
20. quipment such as distribution panels feeders and short branch circuits and on lighting systems in large buildings circuits connected directly to the source of power for a given building for example on the cable to the power transformer ahead of a building s circuit breakers Very high levels of energy available at CAT IV level make arc flash possible Auto Power Off function enabled Lo Z Low impedance mode avoids ghost readings due to capacitive coupling of voltage from power supply conductors onto adjacent unused conductors SETUP INSTRUCTIONS INSTALL BATTERY The battery compartment of the DMM570 is located at the back of the meter To open the compartment use a small Phillips head screwdriver to remove the single screw securing the battery compartment cover flip up stand Be careful not to lose the small screw Put the cover stand to the side Plug the included 9V battery into the wired socket inside the compartment The terminals of the battery and the socket mate in only one way with the smaller male terminal plugging into the larger female terminal Secure the battery compartment by replacing the cover stand and reinstalling and tightening the Phillips head screw OPERATING INSTRUCTIONS GENERAL INSTRUCTIONS The DMM570 provides several functions that can be applied to measurements and displays of multiple parameters Ranging Options By default the meter automatically e
21. res repair please contact our Customer Service to obtain an RGA Return Goods Authorization number before forwarding the unit via prepaid freight to the attention of our Service Center at this address General Tools amp Instruments 80 White Street New York NY 10013 212 431 6100 Remember to include a copy of your proof of purchase your return address and your phone number and or e mail address 23 Specialty Tools amp Instruments GENERAL TOOLS amp INSTRUMENTS 80 White Street New York NY 10013 3567 PHONE 212 431 6100 FAX 212 431 6499 TOLL FREE 800 697 8665 e mail sales generaltools com www generaltools com DMM570 User s Manual Specifications subject to change without notice 2014 GENERAL TOOLS amp INSTRUMENTS NOTICE WE ARE NOT RESPONSIBLE FOR TYPOGRAPHICAL ERRORS MAN DMM570 24 4
22. the meter s operation by measuring a known voltage Do not use the meter if it operates abnormally Protection may be impaired When in doubt have the meter serviced e AWARNING Do not apply more than the rated voltage as marked on the meter between the 724 and COM jacks or between any jack and ground Also do not input more than the rated current as marked on the meter through the 10A or uA mA jack e AWARNING Do not measure voltages above 1000V in Category Ill installations e AAWARNING Do not attempt to measure voltage with the rotary function switch in the c h 4k fA mA A or Temp position Never attempt to measure current with the rotary function switch in the 5 4 amp or Temp position Use caution when working with voltages above 42VACRws or 60VDC These voltages pose a shock hazard Use the proper terminals function and range for all measurements e AAWARNING Do not operate the meter around explosive gas vapor or dust e AAWARNING When using the probes keep your fingers behind the finger guards Do not touch the metal probes of the test leads when making a measurement e When making connections connect the black test lead before connecting the red test lead when disconnecting disconnect the red test lead before disconnecting the black test lead e Disconnect circuit power and discharge all high voltage capacitors before measuring testing resistance continuity diodes or capacitan
23. tion level in resistance frequency continuity diode integrity and capacitance modes Input impedance Sampling time Diode integrity Duty cycle Temperature Safety rating Water dust oil protection level Display Vo of digits Maximum count Auto power off trigger Operating temperature Storage temperature Maximum altitude Power source Dimensions Weight including battery Note Accuracy values are stated for an operating temperature between 64 and 82 F 18 and 28 C All accuracy specifications must be derated increased by 5 596 for each degree F of operating temperature outside this range For example an accuracy specification of 3 between 64 F and 82 F would be derated to 20 Specification 10Hz to 66Hz 660Hz 6 6kHz 10kHz for inputs gt 0 2VAC 1 5 of reading 5 digits 0 to 6 6nF 66nF 660nF 6 6pF 66puF 660uF 6 6mF 66mF 4 of reading 5 digits in 6 6nF 6 6mF and 66mF ranges 3 of reading 3 digits in other ranges 1 2V lt 300 3 2V 1mA 10 to 95 2 0 1 32 to 1832 F 0 to 1000 C 1 of reading 3 digits 250VAC DCgys 10MQ in all modes except Lo Z 400kQ 400msec for LCD and 40msec for analog bar graph in all modes except AC and DC current 1sec for LCD and 400msec for analog bar graph CAT Ill 1000V CAT IV 600V IP54 3 3 4 6600 15 minutes of front panel inactivity 32 to 104 F 0 to 40 C
24. very measurement shown in digital form on the primary readout above it a 0 10 20 30 4 50 60 66 The key feature of the bar graph is its fast response time It can reflect a change in a measured value 10 times more quickly than the digital readout can Accordingly it is useful for tracking parameters that change very rapidly a voltage or current for example Turning On the Backlight Pressing the 3 button turns on the LCD s bright white backlight making measurements much easier to read in dark spaces To prevent the backlight from draining the meter s battery the backlight automatically extinguishes in 60 seconds MEASURING AC OR DC CURRENT AA Warning AA Do not attempt to measure 1 currents larger than 600mA through the uA mA jack 2 currents larger than 10A through the 10A jack continuously for more than 30 seconds pause 1 minute after each measurement of such a large current Remove power from the circuit to be tested and discharge all capacitors 1 Turn the rotary function switch to the A ma or A position depending on the current amplitude you expect to encounter If you are unsure what amplitude to expect select the 4 position 2 Press the FUNC button to select either AC or DC current as indicated by the A or 2 display icon on the left side of the LCD 3 Before measuring DC currents press the RELA button to reset the DC current measurement baseline to OA 4 Plug the black test lead into the
Download Pdf Manuals
Related Search