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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. GlobalTestSupply Quality Fluke Products Online at: www. .com sales@GlobalTestSupply.com...
- 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.
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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 DC Voltage, Continuity, Resistance, Diode Test, and Capacitance ......39 AC and DC Current ....................40 Frequency ......................... 40 Frequency Counter Sensitivity .................. 41 Input Characteristics ....................42 MIN MAX Recording ....................42 GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com...
- 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 GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com...
- Page 6 CNX 3000 Users Manual GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com...
- Page 7 AC and DC Current Measurements ..................20 Diode Test ..........................22 Frequency Measurement....................... 24 Module Binding Procedure ....................28 Fuse Test ..........................31 Battery and Fuse Replacement ..................... 33 Replacement Parts ........................ 35 GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com...
- Page 8 CNX 3000 Users Manual GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com...
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Page 9: Introduction
To prevent possible electrical shock, fire, or visit http://us.fluke.com/usen/support/manuals. personal injury, read all safety information before you use the Product. Safety Information The CNX 3000 Wireless Multimeter (the Product) is a The Product complies with: True-rms Digital Multimeter. • ANSI/ISA-82.02.01 How to Contact Fluke •... - Page 10 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. GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com...
- Page 11 Connect the common test lead before the live test lead and remove the live test lead before the common test lead. • Remove all probes, test leads, and accessories that are not necessary for the measurement. GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com...
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Page 12: Symbols
MAINS installation. MAINS installation. Measurement Category II is applicable to test and measuring circuits connected directly to utilization points CAT II (socket outlets and similar points) of the low-voltage MAINS installation. GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com... -
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
It will change only when a new maximum value is sensed. To pause MIN MAX AVG record, push . shows in the display while record is paused. GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com... -
Page 15: Display Hold
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. GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com... -
Page 16: Power-Up Options
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.” GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com... -
Page 17: Features
- 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. GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com... -
Page 18: Rotary Switch Positions
This function will stay in ac or dc when the function switch is moved to another position and back to this function. Even when turned to off and back to this function. GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com... -
Page 19: Pushbuttons
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 All positions the Product to autorange. All positions Freezes the display GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com... - Page 20 This function will stay in ac or dc when the function switch is moved to another position and back to this function. Even when turned to off and back to this function. This button is used when the Product connects with a wireless module. See the “Discovery of Modules” section to learn more. GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com...
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Page 21: Ac Zero Input Behavior Of True-Rms Meters
600.0 V, and 1000 V. To set the 600.0 mV dc or ac range, turn the function switch to Push to toggle the Product between millivolts dc and millivolts ac. Refer to Figure 1 to measure ac or dc voltage. GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com... - Page 22 CNX 3000 Users Manual Volts AC Volts DC Millivolts DC gxr002.eps Figure 1. AC and DC Voltage Measurements GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com...
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Page 23: Volts/Hertz Ratio
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. gxr011.eps Figure 2. Volt/Hertz Ratio GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com... -
Page 24: Resistance Measurements
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.eps Figure 3. Resistance Measurements GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com... -
Page 25: Capacitance Measurements
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 GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com... -
Page 26: Continuity Test
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 GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com... -
Page 27: Ac Or Dc Current Measurements
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. GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com... - Page 28 CNX 3000 Users Manual gxr007.eps Figure 6. AC and DC Current Measurements GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com...
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Page 29: Diode Test
A short beep sounds if the diode is good (<0.85 V). A continuous beep sounds if the measurement is ≤0.100 V or short circuit. The display shows “OL” if the diode is open. GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com... - 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 GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com...
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Page 31: Frequency Measurement
A higher voltage range decreases the input sensitivity and can correct this problem. In general, the lowest frequency is the correct one. Set up the Product as shown in Figure 8 to measure frequency. GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com... - Page 32 CNX 3000 Users Manual AC/DC Voltage Frequency AC Current Frequency gxr008.eps Figure 8. Frequency Measurement GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com...
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Page 33: Remote Operation
FCC Rules. These limits are designed to provide technology to show measurements from a maximum of reasonable protection against harmful interference in a three CNX 3000 Series Wireless Modules. One of the residential installation. This equipment generates, uses, wireless modules can be a CNX 3000 Wireless and can radiate radio frequency energy and, if not Multimeter. -
Page 34: Discovery Of Modules
Product does to look for compatible radio signals to which the Product is bound. Although the display can emitted by CNX 3000 Series Wireless Modules. The term only show three modules, the Product can discover and bind or bound means the Product has made a wireless temporarily bind to a maximum of 10 modules. - Page 35 You can wait for the module selection time to complete or push and hold for 2 seconds to end gxr013.eps the module selection mode. Figure 9. Module Binding Procedure GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com...
- Page 36 to select a module in the list. The radio button () on the module the measurement in the Product display represents flashes at a faster rate. GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com...
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Page 37: How To Unbind A Module From The Product
When the radio on a different DMM is turned on and the discovery procedure starts, the Product is discovered and a number shows in the display of the Product. GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com... -
Page 38: Maintenance
Turn off the Meter and remove all test leads. Shake out dirt that can possibly be in the terminals. Soak a clean swab with weak detergent and water. Move the swab around in each terminal. GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com... -
Page 39: Fuse Test
A good fuse will show a resistance of 12 Ω or less. Replace the fuse if the resistance is higher or OL is 440 mA shown. <12 gxr009.eps Figure 10. Fuse Test GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com... -
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 sequence. - Page 41 Wireless Multimeter Battery and Fuse Replacement gxr010.eps Figure 11. Battery and Fuse Replacement GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com...
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Page 42: Service And Parts
4207624 Gasket, Battery Door 4137532 Test Lead Set TL175 Alligator Clip, Black AC175 Alligator Clip, Red CNX 3000 DMM Quick Reference Guide 4231002 CNX 3000 DMM Safety Information 4231677 To ensure safety, use exact replacement only. GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com... - Page 43 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 GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com...
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Page 44: Accessories
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-compartment case. GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com... -
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
Crest factor of ≤3 at 4000 counts, decreasing linearly to 1.5 at full scale. For non-sinusoidal waveforms, add –(2 % of reading + 2 % full scale) typical, for crest factor up to 3. Do not exceed 10 V-Hz GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com... -
Page 47: Dc Voltage, Continuity, Resistance, Diode Test, And Capacitance
1.2 % + 2 100.0 μF 0.1 μF 1 μF 9999 μF 10 % typical In the 9999 μF range for measurements to 1000 μF, the measurement accuracy is 1.2 % + 2. GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com... -
Page 48: Ac And Dc Current
999.9 Hz 0.1 Hz 0.1 % + 1 9.999 kHz 0.001 kHz 99.99 kHz 0.01 kHz Frequency is specified up to 99.99 kHz in volts and up to 10 kHz in amps. GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com... -
Page 49: Frequency Counter Sensitivity
Noise at low frequency and amplitude may exceed the frequency accuracy specification. Unspecified but usable depending on quality and amplitude of signal. In mA and A ranges, frequency measurement is specified to 10 kHz. GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com... -
Page 50: Input Characteristics
The specified accuracy of the measurement function ±12 counts for changes >350 ms in duration. DC Functions The specified accuracy of the measurement function ±40 counts for changes >900 ms in duration. AC Functions GlobalTestSupply www. .com Quality Fluke Products Online at: sales@GlobalTestSupply.com...
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