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FLIR DM6x USER MANUAL                                                                                    Document Identifier: DM6x-en-US_AA 

3. Introduction 

Thank you for selecting the FLIR DM6x Digital Multimeter. This meter can measure up to 
600V and 10A AC/DC. This device is shipped fully tested and calibrated and, with proper 
use, will provide years of reliable service. 

Features

 

 

6000 Count (3-5/6 digits) backlit LCD with 5 reading per second update rate 

 

Auto Power OFF 

 

Measures ACV, DCV, Resistance, Continuity, Capacitance*, Diode, DCA, ACA, 
Temperature*, line Frequency*, non-contact Voltage (NCV) 

 

True RMS responding 

 

Auto AC/DC detection for voltage measurements* 

 

Lo Z (low impedance) for ghost voltage protection* 

 

Auto ranging 

 

VFD feature (low pass filter for AC voltage measurements)* 

 

MIN-MAX-AVG Reading Memory 

 

Relative Zero mode 

 

Equipped with test leads, batteries, printed Quick Start (full User Manual available 
on FLIR website 

http://support.flir.com

), and type K thermocouple* 

 

Optional accessories: Banana plug to type-K socket plug adaptor*, magnetic hanger, 
and carrying pouch 

 
*Applies to models DM64 and DM66 only 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for DM6 Series

Page 1: ...USER MANUAL True RMS Digital MultiMeter Series Models DM62 DM64 and DM66 ...

Page 2: ...11 5 4 Auto Manual Range Mode 11 5 5 True RMS Response 11 5 6 Crest Factor 11 5 7 Out of range Warning O L 11 5 8 Data Hold 12 5 9 Relative Zero Mode 12 5 10 VFD Mode Low Pass Filter Models DM64 DM66 only 12 5 11 MAX MIN AVG Record Mode 12 5 12 Test Lead Input Warning 12 5 13 Auto Voltage AC DC Detection in Lo Z mode DM64 DM66 only 12 6 MEASUREMENTS 13 6 1 AC DC Voltage Measurements VFD and Freque...

Page 3: ...64 DM66 21 6 8 NCV Non Contact Voltage Detection 22 7 MAINTENANCE 23 7 1 Cleaning and Storage 23 7 2 Battery and Fuse Replacement 23 7 3 Disposal of Electronic Waste 23 8 SPECIFICATIONS 24 8 1 General specifications 24 8 2 Electrical Specifications 25 9 TECHNICAL SUPPORT 29 10 THREE YEAR LIMITED WARRANTY 30 ...

Page 4: ... herein are used for identification only and are the property of their respective owners 1 2 Quality Assurance The Quality Management System under which these products are developed and manufactured has been certified in accordance with the ISO 9001 standard FLIR Systems is committed to a policy of continuous development therefore we reserve the right to make changes and improvements on any of the...

Page 5: ...e applicable that indicate the limits of safe access of the hand held parts during measurements Inspect lead wires connectors and probes for damaged insulation or exposed metal before using the meter If any defects are found replace them immediately Only use the probe assembly provided with the meter or a UL Listed Probe Assembly to the same meter ratings or better IEC 61010 031 requires exposed c...

Page 6: ...ilding s low voltage MAINS installation Examples are measurements on devices installed before the main fuse or circuit breaker in the building installation Measurement Category III is applicable to test and measuring circuits connected to the distribution part of the building s low voltage MAINS installation Examples are measurements on distribution boards including secondary meters circuit breake...

Page 7: ...esistance Continuity Capacitance Diode DCA ACA Temperature line Frequency non contact Voltage NCV True RMS responding Auto AC DC detection for voltage measurements Lo Z low impedance for ghost voltage protection Auto ranging VFD feature low pass filter for AC voltage measurements MIN MAX AVG Reading Memory Relative Zero mode Equipped with test leads batteries printed Quick Start full User Manual a...

Page 8: ...Detector 2 LCD 3 Control buttons 4 Rotary Selector Switch 5 A Current input terminal 6 uA mA Current input terminal 7 COM negative input terminal 8 Positive input terminal for all inputs except Current 9 Battery compartment lock and fuse access 10 Test Lead holders 11 Battery compartment and fuse access 12 Tilt stand Fig 4 1 Front and Back Views DM66 ...

Page 9: ...ions with more than one function use this button to select the desired function Short press to select MANUAL mode and to change ranges long press to return to AUTO Also used to select sensitivity in NCV mode and trigger level for line frequency measurements DM64 DM66 Short press to access MIN MAX AVG Record mode Short press to step through MIN MAX AVG readings Long press to exit Long press the Rel...

Page 10: ...and Average Reading Record modes 4 High Sensitivity NCV mode 5 Low Sensitivity NCV mode 6 VFD low pass filtering mode 7 Continuity test 8 Relative Zero function 9 Units of measure 10 Diode test 11 Main display digits 12 Battery status 13 Lo Z low impedance mode 14 Minus symbol 15 AC and DC symbols 16 Automatic ACV DCV detection in Lo Z mode Models DM64 DM66 only ...

Page 11: ...ng press the backlight button to toggle the LCD backlight ON and OFF The backlight will automatically switch OFF after 10 minutes to conserve battery energy 5 4 Auto Manual Range Mode For most auto ranging functions short press the RANGE button to select manual ranging override The meter will remain in the range it was in and the auto range display icon will switch off Short press the button again...

Page 12: ...shed using a low pass filter To activate short press the MODE button until the VFD symbol appears 5 11 MAX MIN AVG Record Mode Short press REC to activate the recording mode three arrow icons MAX MIN and AVG will appear indicating that the meter is now recording Short press the REC button to step through the MAX MIN AVG readings The meter beeps when new MAX or MIN readings are detected Long press ...

Page 13: ...asurements VFD and Frequency on DM64 DM66 Move the rotary switch to the position and short press the MODE button to step through the following modes DCV ACV and ACV with VFD The last selection will be saved as the power up default For AC short press the Hz button to view the frequency and press again to return to the voltage measurement refer to Section 6 3 for more on Frequency measurement featur...

Page 14: ...me readings as for the normal voltage measurement mode Notes Ghost voltages are unwanted stray signals coupled from adjacent live signals which can confuse common Multimeter voltage measurements This feature is helpful when distinguishing between hot and open wires to ground in electrical installations for example Only HOLD EF NCV Backlight push button features are available in Auto Voltage mode W...

Page 15: ...ments Hz for ACV VFD Note on Input Sensitivity for voltage applications Input sensitivity varies automatically with the range selected The 6V range has the highest sensitivity and the 1000V range has the lowest In the DCV ACV or VFD ACV voltage functions the trigger voltage will be displayed immediately before starting the Hz measurement While displayed short press the RANGE button to manually sel...

Page 16: ...utton operation and display examples Figure 6 4 Resistance and Continuity Measurements For convenience the Continuity function offers a continuous beep tone together with a flashing LCD backlight indicating a complete wire This audio visual indication is especially handy in noisy work environments If the resistance is 30Ω the meter beeps If the resistance is 480Ω the meter will not beep If the res...

Page 17: ...e functions The last selection will be saved as the power up default Refer to the Fig 6 5 for function switch position test lead connection push button operation and display example for Capacitance testing Refer to Fig 6 6 for diode testing Figure 6 5 Capacitance Testing CAUTION Discharge capacitors before making any measurements Large value capacitors should be discharged through an appropriate r...

Page 18: ... that indicates a leaky diode defective A zero reading indicates a shorted diode defective An OL display indicates an open diode defective Reverse the test lead connection reverse biased across the diode Fig 6 6 right The digital display shows OL if the diode is good Any other readings indicate that the diode is resistive or shorted defective Figure 6 6 Diode testing forward bias on left reverse b...

Page 19: ...s temperature available only on DM64 DM66 The last selection will be saved as the power up default Refer to the Fig 6 7 for function switch position test lead connection push button operation and display example for mV measurements Short press the Hz button to switch the Frequency measurement mode on off in AC mV mode Refer to Fig 6 8 for Temperature measurements Figure 6 7 AC DC mV measurements ...

Page 20: ...ead probe observing correct polarity You can also use a plug adapter optional with banana plug to type K socket to adapt other standard type K mini plug temperature probes see the drawing on the right of Fig 6 8 for adaptor illustration Figure 6 8 Temperature measurements optional adaptor shown on right ...

Page 21: ...cause injury to persons Short press the MODE button to toggle DC and AC modes The last selection will be saved as the power up default Refer to the Fig 6 9 for function switch position test lead connection push button operation and display examples Short press the Hz button to view the frequency measurement in AC current modes Frequency is available only on the DM64 DM66 models Figure 6 9 Current ...

Page 22: ...eft of the meter near a conductor to test The detected voltage strength is indicated as a series of display dashes and a variable beeper tone Refer to the Fig 6 10 for function switch position push button operation and display example Figure 6 10 Non Contact Voltage Detection An antenna is located along the top left end of the meter which detects the electric fields that surround energized live co...

Page 23: ...ce the two 2 1 5V AAA batteries observing correct polarity 4 Replace the battery cover and re lock it before operating the meter 5 To replace the fuses lift the tilt stand and locate the two screw holes item 2 in the diagram 6 The screws are protected by rubber grommets which must be removed before the screws can be accessed 7 Remove the two screws and remove one additional screw located just behi...

Page 24: ...tion IP40 Drop proof to 6 5 2m Pollution Degree 2 Safety Certified per IEC UL EN61010 1 Ed 3 0 IEC UL EN61010 2 030 Ed 1 0 IEC UL EN61010 2 033 Ed 1 0 IEC UL EN61010 031 Ed 1 1 and the corresponding CAN CSA C22 2 regulations to Measurement Categories CAT III 600V and CAT IV 300V AC DC Transient Protection 6 0kV 1 2 50 s surge E M C Meets EN61326 1 2013 In an RF field of 3V m Temperature function i...

Page 25: ...er of digits dgt at 73 4 F 9 F 23 C 5 C 80 RH ACV ACA accuracies are specified from 1 to 100 of range or as otherwise specified Maximum Crest Factor 2 1 at full scale 4 1 at half scale and with frequency components fall within the meter specified frequency bandwidth for non sinusoidal waveforms AC Voltage RANGE Accuracy 50Hz 60Hz 6 000V 1 60 00V 600 0V 0 7 3d 45Hz 440Hz 6 000V 1 60 00V 600 0V 2 0 ...

Page 26: ...t specified at 1VAC Threshold 1VAC nominal Approximate input impedance 164pF for reference At direct input 50Vac typical from quiescence 8M 5 6Vac 22k 7Vac 12k 8Vac 2 6k 50Vac At direct input 50V typical from quiescence Initial impedance is approximately 2 1k Impedance increases abruptly within a fraction of a second as display voltage hard signal is much higher than 50V typical Final impedances v...

Page 27: ...as display voltage hard signal is much higher than 50V typical Actual impedances vs display voltages typically are 12k 100V 100k 300V 240k 600V Resistance Ohms RANGE 1 Accuracy 600 0 6 000k 0 3 3d 60 00k 600 0k 0 5 3d 6 000M 2 60 00M 3 0 9 2d 4 1 Open Circuit Voltage 1 6VDC typical 2 Constant Test Current 0 2 A Typical 3 Constant Test Current 0 02 A Typical 4 5 20d 30M Continuity Tester Continuity...

Page 28: ... 1 0 3d 1 9mV mA 6 000A 1 10 00A 2 0 04V A 1 5d non zero residue may appear when backlight is on which will not affect the specified measuring range and accuracy 2 10A continuous 10A to 20A for 30 seconds max with 5 minutes cool down interval Temperature DM64 DM66 RANGE Accuracy 1 2 40 0 o C 99 9o C 1 1 o C 100 o C 400o C 40 0 o F 99 9 o F 1 2 o F 100 o F 752 o F 1 Accuracies assume meter interior...

Page 29: ... Display dashes and audible beep tones proportional to a conductor s field strength Sensitivity H display for High sensitivity 24 1000V and L display for Low sensitivity 100 1000V use the RANGE button to change the sensitivity Detection Frequency 50 60Hz Detection Antenna Top left of the meter 9 Technical Support Main Website http www flir com test Technical Support Website http support flir com T...

Page 30: ...overage under FLIR s 3 Year Limited Warranty can be found at www flir com testwarranty 3 THE WARRANTY PERIOD The Product is warranted for a period of three 3 Years from the Purchase Date the Warranty Period Any Product that is repaired or replaced under warranty is covered under this 3 Year Limited Warranty for one hundred eighty days 180 days from the date of return shipment by FLIR or for the re...

Page 31: ...e discretion whether a returned Product is covered under warranty If FLIR determines that any returned Product is not covered under warranty or is otherwise excluded from warranty coverage FLIR may charge Purchaser a reasonable handling fee and return the Product to Purchaser at Purchaser s expense or offer Purchaser the option of handling the Product as a non warranty return FLIR shall not be res...

Page 32: ...70 USA Telephone 1 503 498 3547 Customer Support Technical Support Website http support flir com Technical Support Email TMSupport flir com Service and Repair Email Repair flir com Customer Support Telephone 1 855 499 3662 option 3 toll free Publication Identification No DM6x en US Release Version AA Release Date January 2018 Language en US ...

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