Fluke CNX 3000 User Manual
Fluke CNX 3000 User Manual

Fluke CNX 3000 User Manual

Wireless multimeter
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CNX 3000
Wireless Multimeter
Users Manual
August 2012
© 2012 Fluke Corporation. All rights reserved. Specifications are subject to change without notice.
All product names are trademarks of their respective companies.

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Summary of Contents for Fluke CNX 3000

  • Page 1 CNX 3000 Wireless Multimeter Users Manual August 2012 © 2012 Fluke Corporation. All rights reserved. Specifications are subject to change without notice. All product names are trademarks of their respective companies.
  • Page 2 LIMITED WARRANTY AND LIMITATION OF LIABILITY This Fluke product will be free from defects in material and workmanship for three years from the date of purchase. This warranty does not cover fuses, disposable batteries, or damage from accident, neglect, misuse, alteration, contamination, or abnormal conditions of operation or handling.
  • Page 3: Table Of Contents

    Table of Contents Title Page Introduction ........................1 How to Contact Fluke ..................... 1 Safety Information ......................1 Hazardous Voltage ......................5 Test Lead Alert ....................... 5 Battery Saver ......................... 5 MIN MAX AVG Record Mode ..................6 Display Hold ........................7 Yellow Button .........................
  • Page 4 CNX 3000 Users Manual AC and DC Voltage Measurements ................13 Volts/Hertz Ratio ....................... 15 Resistance Measurements ..................16 Capacitance Measurements ..................17 Continuity Test ......................18 AC or DC Current Measurements ................19 Diode Test ........................ 21 Frequency Measurement ..................23 Remote Operation ......................
  • Page 5 List of Tables Table Title Page Symbols ..........................4 Power-Up Options ......................... 8 Inputs ............................ 9 Rotary Switch Positions ......................10 Pushbuttons .......................... 11 Replaceable Parts ......................... 34 Accessories ........................... 36...
  • Page 6 CNX 3000 Users Manual...
  • Page 7 List of Figures Figure Title Page AC and DC Voltage Measurements ..................14 Volt/Hertz Ratio ........................15 Resistance Measurements ....................16 Capacitance Measurements ....................17 Continuity Tests ........................18 AC and DC Current Measurements ..................20 Diode Test ..........................22 Frequency Measurement.......................
  • Page 8 CNX 3000 Users Manual...
  • Page 9: Introduction

    The Product complies with: True-rms Digital Multimeter. ANSI/ISA-82.02.01 How to Contact Fluke CAN/CSA-C22.2 No. 61010-1-12: 3 Edition To contact Fluke, call one of the following telephone UL 61010-1: 3 Edition numbers: IEC/EN 61010-1:2010 Technical Support USA: 1-800-44-FLUKE (1-800- FCC Part 15 Subpart C Section 15.207, 15.209, 443-5853) 15.249 FCCID: T68-FWCS...
  • Page 10 CNX 3000 Users Manual A Warning identifies conditions and procedures that are Measure a known voltage first to make dangerous to the user. A Caution identifies conditions sure that the Product operates correctly. and procedures that can cause damage to the Product or Do not use, and disable the Product if it the equipment under test.
  • Page 11 Wireless Multimeter Safety Information Do not use the Product if it operates incorrectly. Examine the case before you use the Product. Look for cracks or missing plastic. Carefully look at the insulation around the terminals. Use only correct measurement category (CAT), voltage, and amperage rated probes, test leads, and adapters for the measurement.
  • Page 12: Symbols

    CNX 3000 Users Manual Table 1. Symbols Symbol Description Symbol Description Risk of Danger. Important information. See   Hazardous voltage. Manual.   Conforms to European Union directives. Conforms to relevant Australian EMC requirements. Conforms to relevant North American Safety ...
  • Page 13: Hazardous Voltage

    WEEE Directive Annex I, this product is classed as category 9 "Monitoring and Control Instrumentation" product. Do not dispose of this product as unsorted municipal waste. Go to Fluke’s website for recycling information. Hazardous Voltage The display shows ...
  • Page 14: Min Max Avg Record Mode

    CNX 3000 Users Manual Recorded values are not deleted. To continue record MIN MAX AVG Record Mode session, push . The MIN MAX AVG record mode records the minimum and maximum input values, and calculates a running To exit and erase the MIN, MAX, and AVG values, average of all measurements.
  • Page 15: Display Hold

    Wireless Multimeter Display Hold Display Hold Manual and Auto Range The Product can be set to manual or auto range. In  Warning autorange, the Product sets the range so the input is To prevent possible electrical shock, fire, or shown with the best resolution.
  • Page 16: Power-Up Options

    CNX 3000 Users Manual Power-Up Options To set a power-up option, hold down the button shown in Table 2 while you turn on the Product. Table 2. Power-Up Options Button Power-Up Option Turns off the beeper.  Turns off battery save (“Sleep mode”). POFF shows in the display for a second.
  • Page 17: Features

    Wireless Multimeter Features Features Tables 3 through 5 are lists of Product features with descriptions. Table 3. Inputs 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. ...
  • Page 18: Rotary Switch Positions

    CNX 3000 Users Manual Table 4. Rotary Switch Positions Switch Function Position DC voltage from 1 mV to 1000 V. Push to measure frequency from 2 Hz to 99.99 kHz AC voltage measurement from 60.0 mV to 1000 V. Push to measure frequency from 2 Hz to 99.99 kHz.
  • Page 19: Pushbuttons

    Wireless Multimeter Features Table 5. Pushbuttons Switch Button Function Position Selects frequency. Selects frequency. Selects ac millivolts. Selects capacitance. Selects diode test. Push once to select dc milliamps. Push twice to select ac frequency. Sets the Product to manual range and scrolls through each range. Push for 1 second to set ...
  • Page 20 CNX 3000 Users Manual Table 5. Pushbuttons (cont.) Switch Button Function Position Not related to Push once to turn on the backlight and push again to turn off the backlight. The backlight  switch position turns off automatically after 2 minutes. Starts the MIN MAX record function.
  • Page 21: Ac Zero Input Behavior Of True-Rms Meters

    Wireless Multimeter AC Zero Input Behavior of True-rms Meters AC Zero Input Behavior of True-rms Basic Measurements Meters  Warning Average responding meters can accurately measure only To prevent possible electrical shock, fire, or pure sinewaves. A True-rms meter can accurately personal injury, disconnect power and measure distorted waveform signals.
  • Page 22 CNX 3000 Users Manual Volts AC Volts DC Millivolts DC gxr002.eps Figure 1. AC and DC Voltage Measurements...
  • Page 23: Volts/Hertz Ratio

    Wireless Multimeter Basic Measurements Volts/Hertz Ratio Volts/Hz The Product can show the ratio of volts to frequency of an ac signal. Set the Product as shown in Figure 2 to show Volts/Hertz ratio. When the Product is set to the Volts/Hz function, the Volt/Hz voltage range is set to manual.
  • Page 24: Resistance Measurements

    CNX 3000 Users Manual Resistance 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 Product sends a small current through the circuit for resistance measurements.
  • Page 25: Capacitance Measurements

    Wireless Multimeter Basic Measurements Capacitance 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. Capacitance ranges are 1,000 nF, 10.00 F, 100.0 F, and 9999 F.
  • Page 26: Continuity Test

    CNX 3000 Users Manual Continuity Test  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 continuity test uses a beeper that sounds when a closed circuit is sensed.
  • Page 27: Ac Or Dc Current Measurements

    Wireless Multimeter Basic Measurements AC or DC Current Measurements Turn off circuit power, break the circuit, put the Product in series, and then turn on circuit power.  Warning The current ranges are 60.00 mA and 400.0 mA. Set the To prevent possible electrical shock, fire, or Product as shown in Figure 6 to measure ac and dc personal injury:...
  • Page 28 CNX 3000 Users Manual gxr007.eps Figure 6. AC and DC Current Measurements...
  • Page 29: Diode Test

    Wireless Multimeter Basic Measurements Diode Test  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 Do a diode test on diodes, transistors, silicon controlled rectifiers (SCRs), and other semiconductor devices.
  • Page 30 CNX 3000 Users Manual Reverse Bias Good Diode Good Diode Bad Diode Bad Diode OPEN BEEP and Shorted gxr006.eps Figure 7. Diode Test...
  • Page 31: Frequency Measurement

    Wireless Multimeter Basic Measurements Frequency Measurement A frequency measurement is a count of the number of times an ac voltage or current signal passes through a threshold point each second. The Product autoranges to one of four frequency ranges: 99.99 Hz, 999.9 Hz, 9.999 kHz, and 99.99 kHz. Below are some hints for frequency measurements: If a measurement shows 0 Hz or is not stable, the input signal can be below or near a trigger level.
  • Page 32 CNX 3000 Users Manual AC/DC Voltage Frequency AC Current Frequency gxr008.eps Figure 8. Frequency Measurement...
  • Page 33: Remote Operation

    Changes or modifications to the wireless correct the interference by one or more of the measures 2.4 GHz radio not expressly approved by Fluke that follow: Corporation could void the user’s authority to operate the equipment.
  • Page 34: Discovery Of Modules

    CNX 3000 Users Manual At the end of the discovery procedure, all discovered Discovery of Modules modules shown in the display have a black number on a The term “discovery” in this manual refers to a procedure grey background. See Figure 9. This shows the modules the Product does to look for compatible radio signals to which the Product is bound.
  • Page 35 Wireless Multimeter Remote Operation The number of the module at the top of the list flashes to Auto show it is highlighted. Push  to move the highlight to V AC 120.0 the next module in the list. T3000 The Product stays in the module selection mode for V3000 approximately 2 minutes.
  • Page 36 CNX 3000 Users Manual When the module selection mode ends, all modules that were set to bind, show in the display. All modules not selected go out of view. Note If you do not select modules, all modules shown in the display are bound to the Product when the module selection mode ends.
  • Page 37: How To Unbind A Module From The Product

    Wireless Multimeter Remote Operation How to Unbind a Module from the Product You can use one of three different procedures to unbind a module from the Product. Turn off the module. Push  on the module to turn off the radio in the module.
  • Page 38: Maintenance

    CNX 3000 Users Manual Dry each terminal with canned air to push the water Maintenance and detergent out of the terminals. Warning Warning To prevent a possible electrical shock or To prevent electrical shock or personal personal injury: injury, remove the test leads and all input Have an approved technician repair the signals before you replace the batteries or Meter.
  • Page 39: Fuse Test

    Wireless Multimeter Fuse Test Fuse Test To do a fuse test: Set the function switch to . Connect a test lead to the  jack as shown in Figure 10. Touch the other end of the test lead to the mA jack. A good fuse will show a resistance of 12 or less.
  • Page 40: Battery And Fuse Replacement

    440 mA, 1000 V FAST fuse with a minimum interrupt exposure to chemicals occurs, clean rating of 10,000 A. Use only Fluke PN 943121. with water and get medical aid. To reassemble the Product, do the steps in the opposite...
  • Page 41 Wireless Multimeter Battery and Fuse Replacement gxr010.eps Figure 11. Battery and Fuse Replacement...
  • Page 42: Service And Parts

    Read this manual to make sure the Product is To get parts and accessories, refer to the “How to applied correctly. Contact Fluke” section. Table 6. Replaceable Parts Fluke Part or Model Description Qty. Number  Fuse, 440 mA, 1000 V 943121 Battery, AA 1.5 V...
  • Page 43 Wireless Multimeter Service and Parts CNX 3000 DMM Battery Quick Reference Guide Door Battery AA x 1.5 V TL175 Test Lead Set CNX 3000 DMM Safety Information Fuse 440 mA 1000 V, Fast AC175 Threaded Alligator Clips gxr012.eps Figure 12. Replacement Parts...
  • Page 44: Accessories

    CNX 3000 Users Manual Table 7. Accessories Item Description TPAK ToolPak Magnetic Hanger FLK-CNX A3000 CNX a3000 Clamp Module – Measure ac current to 400 amps, FLK-CNX I3000 CNX i3000 Flex Current – Measures ac current to 2500 amps. FLK-CNX T3000 CNX t3000 Temperature Module –...
  • Page 45: Specifications

    Specifications Maximum voltage between any Terminal and Earth Ground: 1000 V dc or ac rms  Fuse Protection for mA inputs ....... 0.44 A (44/100 A, 440 mA), 1000 V FAST Fuse, Fluke specified part only Display (LCD) Update rate ............4/sec Votls, amps, ohms, ..........
  • Page 46: Detailed Specifications

    CNX 3000 Users Manual Wireless Frequency ..........2.4 GHz ISM Band 20 meter range Size (HxWxL) ............1.87 in x 3.68 in x 8.14 in (4.75 cm x 9.3 cm x 20.7 cm) Weight ..............17.2 oz (487.5 g) EMI, RFI, EMC, RF ..........EN 61326-1:2006, EN 61326-2-2:2006. ETSI EN 300 328 V1.7.1:2006, ETSI EN 300 489 V1.8.1:2008, FCC Part 15 Subpart C Sections 15.207, 15.209, 15.249, FCCID : T68- FWCS IC:6627A-FWCS Detailed Specifications...
  • Page 47: Dc Voltage, Continuity, Resistance, Diode Test, And Capacitance

    Wireless Multimeter Specifications DC Voltage, Continuity, Resistance, Diode Test, and Capacitance Function Range Resolution Accuracy  600.0 mV 0.1 mV 0.09 % + 2 6.000 V 0.001 V 60.00 V 0.01 V 0.09 % + 2  600.0 V 0.1 V 1000 V 0.15 % + 2 ...
  • Page 48: Ac And Dc Current

    CNX 3000 Users Manual AC and DC Current Function Range Resolution Accuracy  60.00 mA 0.01 mA 1.5 % + 3 (45 Hz to 1 kHZ) 0.1 mA 400.0 mA 60.00 mA 0.01 mA 0.5 % + 3  400.0 mA 0.1 mA All ac current ranges are specified from 5 % of range to 100 % of range.
  • Page 49: Frequency Counter Sensitivity

    Wireless Multimeter Specifications Frequency Counter Sensitivity Typical Sensitivity (RMS Sine Wave) [1] [2] Input Range 2 Hz to 45 Hz 45 Hz to 10 kHz 10 kHz to 20 kHz 20 kHz to 50 kHz 50 kHz to 100 kHz 0.5 V 0.6 V 1.0 V...
  • Page 50: Input Characteristics

    CNX 3000 Users Manual Input Characteristics Common Mode Overload Input Impedance Function Rejection Ratio Normal Mode Rejection Protection (nominal) (1 k unbalance)  1100 V rms >10 M <100 pF > 120 dB at dc, 50 Hz or 60 Hz >...

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