FLIR DM91, User Manual

Page 1: ...USER MANUAL FLIR MODEL DM91 True RMS Industrial Multimeter with Bluetooth...

Page 2: ...MODE Button Operation 10 4 3 2 Selector Navigation Pad Operation 11 4 4 Display Description 11 4 5 Display Icons and Indicators 12 4 5 1 Probe Detection Alert 13 4 5 2 Out of range warning 13 4 6 Mode...

Page 3: ...ACV and ACA only 27 6 4 Min Max Avg Mode 27 6 5 Frequency mode ACV and ACA only 28 6 6 Relative mode 28 6 7 Datalogger 28 6 8 Settings Menu 29 6 9 Data Hold and Auto Hold 30 6 9 1 Data Hold Mode 30 6...

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 ha...

Page 5: ...e test leads from the circuit under test before you change the range Failure to observe this warning can damage the instrument and cause bodily injury Do not replace the batteries before you remove th...

Page 6: ...e to the protection provided This symbol adjacent to another symbol or terminal indicates that the user must refer to the user manual for further information This symbol adjacent to a terminal indicat...

Page 7: ...e Current A mA A Frequency Resistance Continuity Diode Capacitance Non Contact Voltage and Temperature Bluetooth communication allows readings to be viewed on remote devices Customizable via easy to u...

Page 8: ...utton 7 Rotary Function Switch 8 Positive Probe Input Jack for A Current 9 Positive Probe Input Jack for mA Current 10 COM Probe Input Jack 11 Positive Probe Input Jack for all inputs except A and mA...

Page 9: ...button is pressed Meter is OFF and in full power saving mode Measure AC voltage V through the probe inputs Measure DC voltage V through the probe inputs Measure low voltage mV through the probe input...

Page 10: ...oggle between Hold mode and normal display mode Use the Settings menu see Section 6 8 Settings Menu to select Data hold or Auto hold Use the selector navigation pad to enable extended functionality mo...

Page 11: ...n Pad Pressing the OK button center selects a menu driven option The OK button also accesses further into the sub menus of selection screens The LEFT RIGHT buttons In normal mode the left right button...

Page 12: ...ow Impedance mode 5 MAX Maximum MIN minimum and AVG Average readings PEAK MAX and PEAK MIN readings 6 Auto range mode 7 Data Hold mode 8 Work light active 9 Bluetooth active icon see Section 7 Bluetoo...

Page 13: ...n positive assumed 25 DC Voltage or Current 26 AC Voltage or Current 27 Secondary display smaller digits with units of measure 28 Menu display prompt informing user to use the up down buttons 4 5 1 Pr...

Page 14: ...ngs mode 1 Only one icon flashes at a time to indicate the cursor position 2 Use the Left Right buttons to move the cursor 3 Press the OK button to activate deactivate the selected function The LCD wi...

Page 15: ...nt 5 1 1 Auto Power Off APO The meter enters sleep mode after a programmable period of inactivity see Section 6 8 Settings Menu The default time out is 20 minutes The time can be set from 1 30 minutes...

Page 16: ...o the negative COM terminal and the red probe lead into the positive terminal 4 For mV and LoZ measurements use the button to select AC or DC measurement The indicator shows for AC measurements The in...

Page 17: ...e resistance value on the display 5 5 Continuity Test Warning Do not perform diode resistance or continuity tests before removing the power from capacitors and other devices under test during a measur...

Page 18: ...n to select the diode test function The diode indicator appears 3 Insert the black probe lead into the negative COM terminal and the red probe lead into the positive terminal 4 Touch the tips of the p...

Page 19: ...Insert the black probe lead into the negative COM terminal and the red probe lead into the positive terminal 4 Touch the tips of the probe across the diode or semiconductor junction under test 5 If th...

Page 20: ...he position 2 Use the button to select the capacitance measurement The F Farad unit of measure appears 3 Insert the black probe lead into the negative COM terminal and the red probe lead into the posi...

Page 21: ...tings menu see Section 6 8 Settings Menu 3 While observing the polarity insert the thermocouple adapter into the negative COM terminal and the positive terminal 4 Touch the tip of the thermocouple to...

Page 22: ...be lead into one of the following positive terminals A for high current measurements mA for lower current measurements A for micro amp measurements 3 Use the button to select AC or DC measurement The...

Page 23: ...FLIR DM91 USER MANUAL Document Identifier DM91 en US_AB 23 Fig 5 8 High Current A and Frequency Measurements Fig 5 9 mA Current and Frequency Measurements...

Page 24: ...FLIR DM91 USER MANUAL Document Identifier DM91 en US_AB 24 Fig 5 10 uA Current Measurements...

Page 25: ...to the position 2 Connect a Clamp adaptor as shown in Fig 5 11 3 Set the Range of the Flex Clamp Adaptor to match the range of the DM91 4 Use the button to select the range of the DM91 1 10 100 mv A T...

Page 26: ...emove the test leads from the meter when doing NCV tests 3 Use the button to choose High Hi 80 1000V or Low Lo 160 1000V Sensitivity mode 4 Position the top of the meter close to a source of voltage o...

Page 27: ...rement with a low pass filter VFD mode is available when measuring AC voltage or AC current Navigate to with the left right arrows and enable disable VFD mode by pressing the OK button The VFD mode is...

Page 28: ...l through the options detailed below RATE Use the left and right arrow buttons to adjust the sampling rate from 1 to 600 seconds START Press OK at this option to begin logging data at the programmed s...

Page 29: ...time after which the backlight automatically turns off 1 30 minutes or set to OFF The factory default is 5 mins Hold Auto hold Data hold A H or d H Use the left right arrows to select hold mode For m...

Page 30: ...In Hold mode the indicator appears 6 9 2 Auto Hold Mode In Auto hold mode the secondary display freezes the last reading and the icon flashes The real time reading appears on the primary display The...

Page 31: ...ra screen Download the FLIR Toolsapp at the link below https www flir com products flir tools app 1 Any Bluetooth BLE mobile device running the app can find and connect to the meter 2 When successful...

Page 32: ...the OFF position before attempting to replace the batteries 1 The DM91 is equipped with an easy open battery compartment 2 Turn the compartment fastener to the unlocked position using a flat head scr...

Page 33: ...minutes Operating Temp RH 14 F to 86 F 10 C to 30 C 80 RH 86 F to 104 F 30 C to 40 C 75 RH 104 F to 122 F 40 C to 50 C 45 RH Storage Temperature RH 4 F to 140 F 20 C to 60 C 0 80 RH without batteries...

Page 34: ...additional accuracy for Crest Factor C F Add 1 0 for C F 1 0 to 2 0 Add 2 5 for C F 2 0 to 2 5 Add 4 0 for C F 2 5 to 3 0 Max Crest Factor of Input Signal 3 0 3000 counts 2 0 4500 counts 1 5 6000 cou...

Page 35: ...tion AC DC 1000V AC mV Range OL Reading Resolution Accuracy 600 0mV 660 0mV 0 1mV 1 0 3D Frequency Response 45 1kHz Sine Wave Input Impedance 10M Overload Protection AC DC 1000V DC Current Range OL Re...

Page 36: ...otection AC DC 11A for A terminal AC DC 660mA for mA terminal DC A Range OL Reading Resolution Accuracy 400 0 A 440 0 A 0 1 A 1 0 3D 4000 A 4400 A 1 A Input Impedance approx 2k Overload Protection AC...

Page 37: ...Resolution Typical Reading 1 500V 1 550V 0 001V 0 400 0 800V Open Circuit Voltage Approx 1 8V Overload Protection AC DC 1000V Frequency Range OL Reading Resolution Accuracy 100 00Hz 100 00Hz 0 01Hz 0...

Page 38: ...ge OL Reading Resolution Accuracy 30 00A 33 00A 0 01A 1 0 3D 300 0A 330 0A 0 1A 3000A 3300A 1A Accuracy does not include the accuracy of the Flexible Clamp Meter Frequency Response 45 1kHz Sine Wave O...

Page 39: ...and Flex Current modes unavailable for LoZ mode Specified accuracy 150 digits for 6000 counts Specified accuracy 250 digits for 6000 counts VFD Low Pass Filter For ACV AC mV ACA ACmA AC A and Flex Cur...

Page 40: ...Identifier DM91 en US_AB 40 11 Warranty 11 1 FLIR Global Limited Lifetime Warranty This product is protected by FLIR s Limited Lifetime Warranty Visit https support flir com prodreg to read the Limit...

Page 41: ...B 41 Corporate Headquarters FLIR Systems Inc 27700 SW Parkway Avenue Wilsonville OR 97070 www flir com Technical Support Website https support flir com Publication Identification No DM91 en US Release...