Fluke CNX 3000 User Manual Download

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August 2012

© 2012 Fluke Corporation. All rights reserved. Specifications are subject to change without notice.
All product names are trademarks of their respective companies.

CNX 3000

Wireless Multimeter

Users Manual

Summary of Contents for CNX 3000

Page 1: ...t 2012 2012 Fluke Corporation All rights reserved Specifications are subject to change without notice All product names are trademarks of their respective companies CNX 3000 Wireless Multimeter Users Manual ...

Page 2: ...ice center to obtain return authorization information then send the product to that Service Center with a description of the problem THIS WARRANTY IS YOUR ONLY REMEDY NO OTHER WARRANTIES SUCH AS FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSED OR IMPLIED FLUKE IS NOT LIABLE FOR ANY SPECIAL INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES ARISING FROM ANY CAUSE OR THEORY Since some states or co...

Page 3: ...afety Information 1 Hazardous Voltage 5 Test Lead Alert 5 Battery Saver 5 MIN MAX AVG Record Mode 6 Display Hold 7 Yellow Button 7 Display Backlight 7 Manual and Auto Range 7 Power Up Options 8 Features 9 AC Zero Input Behavior of True rms Meters 13 Basic Measurements 13 ...

Page 4: ...ency Data 25 Discovery of Modules 26 How to Unbind a Module from the Product 29 How to Set the Product to Module Mode 29 Maintenance 30 General Maintenance 30 Fuse Test 31 Battery and Fuse Replacement 32 Service and Parts 34 Specifications 36 Detailed Specifications 38 AC Voltage 38 DC Voltage Continuity Resistance Diode Test and Capacitance 39 AC and DC Current 40 Frequency 40 Frequency Counter S...

Page 5: ...iii List of Tables Table Title Page 1 Symbols 4 2 Power Up Options 8 3 Inputs 9 4 Rotary Switch Positions 10 5 Pushbuttons 11 6 Replaceable Parts 34 7 Accessories 36 ...

Page 6: ...CNX 3000 Users Manual iv ...

Page 7: ... Hertz Ratio 15 3 Resistance Measurements 16 4 Capacitance Measurements 17 5 Continuity Tests 18 6 AC and DC Current Measurements 20 7 Diode Test 22 8 Frequency Measurement 24 9 Module Binding Procedure 28 10 Fuse Test 31 11 Battery and Fuse Replacement 33 12 Replacement Parts 35 ...

Page 8: ...CNX 3000 Users Manual vi ...

Page 9: ...363 5853 Europe 31 402 675 200 Japan 81 3 6714 3114 Singapore 65 6799 5566 Anywhere in the world 1 425 446 5500 Or visit Fluke s website at www fluke com To register your product visit http register fluke com To view print or download the latest manual supplement visit http us fluke com usen support manuals Safety Information The Product complies with ANSI ISA 82 02 01 CAN CSA C22 2 No 61010 1 12 ...

Page 10: ...ct around explosive gas vapor or in damp or wet environments Do not touch voltages 30 V ac rms 42 V ac peak or 60 V dc Do not exceed the Measurement Category CAT rating of the lowest rated individual component of a Product probe or accessory Measure a known voltage first to make sure that the Product operates correctly Do not use and disable the Product if it is damaged Do not work alone Comply wi...

Page 11: ...he measurement Do not use test leads if they are damaged Examine the test leads for damaged insulation exposed metal or if the wear indicator shows Check test lead continuity Keep fingers behind the finger guards on the probes Do not touch the probes to a voltage source when the test leads are connected to the current terminals Connect the common test lead before the live test lead and remove the ...

Page 12: ...sulation CAT III Measurement Category III is applicable to test and measuring circuits connected to the distribution part of the building s low voltage MAINS installation CAT IV Measurement Category IV is applicable to test and measuring circuits connected at the source of the building s low voltage MAINS installation CAT II Measurement Category II is applicable to test and measuring circuits conn...

Page 13: ... Go to Fluke s website for recycling information Hazardous Voltage The display shows and the hazardous voltage indicator illuminates red when a hazardous voltage 30 V is present on the input of the Product Test Lead Alert The display shows LEAD for a second when you turn the function switch to or from the mA position to remind you to make sure the test leads are in the correct terminals Battery Sa...

Page 14: ...urement function and on the correct range Autorange is disabled while in a MIN MAX AVG record session 2 Push and Max show at the top of the display The measurement in the display is the maximum value measured It will change only when a new maximum value is sensed 3 To pause MIN MAX AVG record push shows in the display while record is paused Recorded values are not deleted To continue record sessio...

Page 15: ...measurement function The different functions are shown in yellow around the rotary switch Frequency mV ac capacitance diode test and mA dc are functions of the Product set with the yellow button Display Backlight Push to turn on and turn off the backlight The backlight automatically turns off after 2 minutes Manual and Auto Range The Product can be set to manual or auto range In autorange the Prod...

Page 16: ...on the Product Table 2 Power Up Options Button Power Up Option Turns off the beeper YELLOW Turns off battery save Sleep mode POFF shows in the display for a second Turns off 2 minute backlight timeout LOFF shows in the display for a second Sets the Product to the module mode See the How to Set the Product to Module Mode ...

Page 17: ...Product features with descriptions Table 3 Inputs 3 1 2 gxr001 eps Terminal Description mA Input for 3 00 mA to 400 0 mA current measurements and current frequency COM Return terminal for all measurements Input for voltage resistance diode capacitance and voltage frequency ...

Page 18: ...ure ac voltage from 6 mV to 600 mV 1 Resistance measurements from 0 1 Ω to 50 MΩ Push to measure capacitance from 1 nF to 9999 μF Continuity Beeper turns on at 25 Ω and turns off at 250 Ω Push for diode test Shows OL above 2 0 V AC current measurements from 3 00 mA to 400 mA Push to measure dc current from 3 00 mA to 400 mA 1 Push again to measure frequency from 2 Hz to 9 99 kHz 1 This function wi...

Page 19: ...cts frequency Selects ac millivolts 1 Selects capacitance Selects diode test Push once to select dc milliamps Push twice to select ac frequency 1 All positions Sets the Product to manual range and scrolls through each range Push for 1 second to set the Product to autorange All positions Freezes the display ...

Page 20: ... the display Hold for 1 second to bind all selected modules to the Product and stop the discovery procedure 2 Not related to switch position Moves the highlight in the display to the next wireless module shown in the display 2 Not related to switch position Turns on the radio and starts the module discovery procedure shows in the display when the radio is on Turns off the radio when the radio is o...

Page 21: ...est ranges are AC voltage less than 1 of 600 mV ac or 6 mV ac AC current less than 5 of 60 mA ac or 3 mA ac Basic Measurements Warning To prevent possible electrical shock fire or personal injury disconnect power and discharge all high voltage capacitors before you measure resistance continuity capacitance or a diode junction The figures that follow show how to make basic measurements with the Pro...

Page 22: ...CNX 3000 Users Manual 14 Volts AC Volts DC Millivolts DC gxr002 eps Figure 1 AC and DC Voltage Measurements ...

Page 23: ...io When the Product is set to the Volts Hz function the voltage range is set to manual If the voltage increases to a value larger than the range the Product shows OL in the display If the voltage drops to less than 5 of the range the value shown in the display can be invalid Set the Product as shown in Figure 2 to measure volts Hz Volts Hz Volt Hz x 2 gxr011 eps Figure 2 Volt Hertz Ratio ...

Page 24: ...a diode junction The Product sends a small current through the circuit for resistance measurements Because the current flows through all possible paths between the probes the resistance measured is the total resistance of all paths between the probes The resistance ranges are 600 0 Ω 6 000 kΩ 60 00 kΩ 600 0 kΩ 6 000 MΩ and 50 00 MΩ Set the Product as show in Figure 3 to measure resistance gxr003 e...

Page 25: ...r personal injury disconnect power and discharge all high voltage capacitors before you measure resistance continuity capacitance or a diode junction Capacitance ranges are 1 000 nF 10 00 μF 100 0 μF and 9999 μF To measure capacitance set up the Product as shown in Figure 4 gxr004 eps Figure 4 Capacitance Measurements ...

Page 26: ...ltage capacitors before you measure resistance continuity capacitance or a diode junction The continuity test uses a beeper that sounds when a closed circuit is sensed The beeper lets you do continuity tests without the necessity to look at the display To do a continuity test set up the Product as shown in Figure 5 gxr005 eps Figure 5 Continuity Tests ...

Page 27: ...possible damage to the Product or the equipment under test Do a fuse test before current measurements See Fuse Test Use the correct terminals function and range for all measurements Do not put the probes across in parallel with a circuit or component when the test leads are connected to the current terminals Turn off circuit power break the circuit put the Product in series and then turn on circui...

Page 28: ...CNX 3000 Users Manual 20 DC gxr007 eps Figure 6 AC and DC Current Measurements ...

Page 29: ...he junction A good silicon junction drops between 0 5 V and 0 8 V To do a diode test on a diode out of circuit set up the Product as shown in Figure 7 For forward bias measurements on a semiconductor component put the red test lead on the positive terminal of the component and put the black test lead on the negative terminal of the component In a circuit a good diode has a forward bias measurement...

Page 30: ...CNX 3000 Users Manual 22 Good Diode Bad Diode Bad Diode Good Diode Reverse Bias 1 BEEP OPEN and Shorted gxr006 eps Figure 7 Diode Test ...

Page 31: ...a measurement shows 0 Hz or is not stable the input signal can be below or near a trigger level A lower range increases the sensitivity of the Product and can usually repair these problems An input signal with distortion can cause a frequency measurement to be higher than usual The distortion can cause the frequency counter to sense multiple triggers A higher voltage range decreases the input sens...

Page 32: ...CNX 3000 Users Manual 24 Hz x 2 Hz AC DC Voltage Frequency AC Current Frequency gxr008 eps Figure 8 Frequency Measurement ...

Page 33: ...evices include but are not limited to personal computers calculators and equivalent electronic devices that are marketed for operation by the general public The Meter was tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation Th...

Page 34: ...vered by the Product that module is given an ID number The Product starts with 1 and sets wireless module ID numbers in sequence to ten The ID number and the module model number are shown in the display of the Product The ID number is also shown in the module display When the Product completes the discovery procedure stops flashing in the display Note If modules are not discovered after 2 minutes ...

Page 35: ... highlighted in the list flashes at a faster rate This helps identify the highlighted module 2 Push The number of the selected module will change to a grey number on a black background See Figure 9 3 Do steps 1 and 2 again for each module to bind to the Product The Product can bind to a maximum of three modules 4 You can wait for the module selection time to complete or push and hold for 2 seconds...

Page 36: ...uct and each module bound to the Product flashes one time in a 5 second interval The radio button on each non bound module does not flash You can identify which measurement in the display of the Product belongs to which module with the ID number set when the module bound with the Product Look for the module with the same ID number in its display To help identify which module is shown in the Produc...

Page 37: ...n push All other modules stay bound to the Product How to Set the Product to Module Mode You can set the Product to operate as a module so its measurements can be shown on different DMM setup as a master To set the Product to the module mode 1 Push and hold 2 Turn on the Product 3 Release after MOD shows in the display Note The radio is always turned on when the Product is in the module mode When ...

Page 38: ...lvent or cleaners with abrasives Dirt or moisture in the terminals can cause incorrect measurements To clean the terminals 1 Turn off the Meter and remove all test leads 2 Shake out dirt that can possibly be in the terminals 3 Soak a clean swab with weak detergent and water 4 Move the swab around in each terminal 5 Dry each terminal with canned air to push the water and detergent out of the termin...

Page 39: ...n switch to 2 Connect a test lead to the jack as shown in Figure 10 3 Touch the other end of the test lead to the mA jack A good fuse will show a resistance of 12 Ω or less Replace the fuse if the resistance is higher or OL is shown 440 mA 12 OK OK gxr009 eps Figure 10 Fuse Test ...

Page 40: ...ls occurs clean with water and get medical aid To replace the batteries 1 Turn off the Product and remove all test leads 2 Lift the tilt stand up as shown in Figure 11 3 Turn the battery door latch until the unlock symbol aligns with the arrow 4 Lift off the battery door 5 Remove the three AA batteries and replace them with new ones Use the correct battery orientation 6 Install the battery door 7 ...

Page 41: ...Wireless Multimeter Battery and Fuse Replacement 33 gxr010 eps Figure 11 Battery and Fuse Replacement ...

Page 42: ...essories refer to the How to Contact Fluke section Table 6 Replaceable Parts Description Qty Fluke Part or Model Number Fuse 440 mA 1000 V 1 943121 Battery AA 1 5 V 3 376756 Battery Door Assembly includes tilt stand 1 4207624 Gasket Battery Door 1 4137532 Test Lead Set 1 TL175 Alligator Clip Black 1 AC175 Alligator Clip Red 1 CNX 3000 DMM Quick Reference Guide 1 4231002 CNX 3000 DMM Safety Informa...

Page 43: ...e and Parts 35 Battery AA x 1 5 V Battery Door TL175 Test Lead Set AC175 Threaded Alligator Clips CNX 3000 DMM Quick Reference Guide CNX 3000 DMM Safety Information Fuse 440 mA 1000 V Fast gxr012 eps Figure 12 Replacement Parts ...

Page 44: ...c current to 2500 amps FLK CNX T3000 CNX t3000 Temperature Module Measures temperature with a k type thermocouple from 200 C to 1372 C FLK CNX V3000 CNX v3000 Voltage Module Measures ac voltage to 1000 V ac FLK CNX PC3000 CNX pc3000 Wireless PC Adapter FLK CNX C3000 Deluxe tool bag with shoulder strap FLK CNX C3001 Modular module case FLK CNX C3002 Modular DMM Case FLK CNX C3003 Modular 3 compartm...

Page 45: ...ce 1 000 counts Battery Type Three AA Alkaline batteries NEDA 15A IEC LR6 Battery Life 250 hours minimum Temperature Operating 10 C to 50 C Storage 40 C to 60 C Relative Humidity 0 to 90 0 C to 35 C 0 to 75 35 C to 40 C 0 to 45 40 C to 50 C Altitude Operating 2 000 m Storage 12 000 m Temperature Coefficient 0 1 X specified accuracy C 18 C or 28 C Safety Standards US ANSI ANSI ISA 61010 1 82 02 01 ...

Page 46: ...d for 1 year after calibration at operating temperatures of 18 C to 28 C with relative humidity at 0 to 90 Accuracy specifications take the form of of Reading Number of least significant digits AC Voltage Range 1 Resolution Accuracy 2 3 4 45 Hz to 500 Hz 500 Hz to 1 kHz 600 0 mV 0 1 mV 1 0 3 2 0 3 6 000 V 0 001 V 60 00 V 0 01 V 600 0 V 0 1 V 1000 V 1 V 1 All ac voltage ranges are specified from 1 ...

Page 47: ...000 V 1 V 0 15 2 600 Ω 1 Ω Meter beeps at 25 Ω beeper detects opens or shorts of 250 μs or longer Ω 600 0 Ω 0 1 Ω 0 5 2 6 000 kΩ 0 001 kΩ 0 5 1 60 00 kΩ 0 01 kΩ 60 00 kΩ 0 1 kΩ 600 0 kΩ 0 001 MΩ 50 00 MΩ 0 01 MΩ 1 5 3 Diode Test 2 000 V 0 001 V 1 2 1000 nF 1 nF 1 2 2 10 00 μF 0 01 μF 100 0 μF 0 1 μF 9999 μF 1 1 μF 10 typical 1 In the 9999 μF range for measurements to 1000 μF the measurement accura...

Page 48: ... 0 1 mA 1 All ac current ranges are specified from 5 of range to 100 of range 2 Input burden voltage typical 400 mA input 2 mV mA 3 400 0 mA accuracy specified up to 600 mA overload Frequency Range Resolution Accuracy 1 99 99 Hz 0 01 Hz 0 1 1 999 9 Hz 0 1 Hz 9 999 kHz 0 001 kHz 99 99 kHz 0 01 kHz 1 Frequency is specified up to 99 99 kHz in volts and up to 10 kHz in amps ...

Page 49: ...00 V 500 V 300 V 320 V 380 V NA 6 V 0 5 V 0 75 V 1 4 V 4 0 V Unspecified 3 60 V 4 V 3 8 V 4 3 V 6 6 V 13 V 600 V 40 V 36 V 39 V 45 V 58 V 1000 V 500 V 300 V 320 V 380 V NA 60 00 mA 5 mA 4 mA NA NA NA 400 0 mA 5 mA 4 mA NA NA NA 1 Maximum input for specified accuracy 10X Range or 1000 V 2 Noise at low frequency and amplitude may exceed the frequency accuracy specification 3 Unspecified but usable d...

Page 50: ...Hz Open Circuit Test Voltage Full Scale Voltage Typical Short Circuit Current To 6 MΩ 50 MΩ Ω 1100 V rms 2 7 V dc 0 7 V dc 0 9 V dc 350 μA 1100 V rms 2 7 V dc 2 000 V dc 1 1 mA Function Overload Protection Overload mA Fused 44 100 A 1000 V FAST Fuse 600 mA overload for 2 minutes maximum 10 minutes rest minimum MIN MAX Recording Function Accuracy DC Functions The specified accuracy of the measureme...

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