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The CNX 3000 Wireless Multimeter is the captain of the Fluke wireless team.
With the CNX 3000 Wireless Multimeter, you see live measurements from multiple modules simultaneously and remotely on a single screen. The CNX 3000 Wireless Multimeter displays the meter measurement, plus readings from up to 3 wireless modules, as far as 20 meters away. By seeing multiple readings at the same time, troubleshooters can see cause and effect, interactions between inputs/outputs or other measurement points, simultaneously and remotely.
If more than three readings are required from more modules, add an optional PC adapter to your laptop for real time viewing of up to 10 modules.
View other members of the wireless team »
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The CNX 3000 Wireless Multimeter has all the essentials for convenient test and measurement troubleshooting.
- AC and DC voltage measurements to 1000V
- AC and DC current with 0.01 mA resolution
- Continuity, resistance, diode test, capacitance and frequency measurements
- MIN/MAX Recording
- CAT III 1000 V, Cat IV 600 V; IP54
Plus, the CNX wireless enabled modules measure AC voltage, AC current and temperature, which display on the CNX Wireless Multimeter. Choose a standard clamp or flexible clamp to measure AC current. Mix and match modules to suit your unique measurement needs. Read the primary measurement on the main display, and up to three modules at any one time. Modules are available separately or as part of CNX kits.
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For all specifications: accuracy is specified for one 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 ]).
| Detailed Specifications |
| AC Voltage |
| Range ¹ |
Resolution |
Accuracy ² ³ |
| 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 % of range to 100 % of range.
² Crest factor of ≤ 3 at full scale p to 500 V, decreasing linearly to crest factor < 1.5 at 1000 V.
³ For non-sinusoidal waveforms, add –(2 % of reading + 2 % full scale) typical, for crest factor up to 3. |
| DC Voltage, Continuity, Resistance, Diode Test and Capacitance |
| Function |
Range ¹ |
Resolution |
Accuracy |
| mV |
600.0 mV |
0.1 mV |
0.09 % + 2 |
| V |
6.000 V |
0.001 V |
0.09 % + 2 |
| 60.00 V |
0.01 V |
| 600.0 V |
0.1 V |
| 1000 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 |
| µF |
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 % |
| ¹ In the 9999 μF range for measurements to 1000 μF, the measurement accuracy is 1.2 % + 2. |
| AC and DC Current |
| Function |
Range ¹ |
Resolution |
Accuracy |
mA AC
(45 Hz to 1 kHz) |
60.00 mA |
0.01 mA |
1.5 % + 3 |
| 400.0 mA ³ |
0.1 mA |
| mA DC ² |
60.00 mA |
0.01 mA |
0.5 % + 3 |
| 400.0 mA |
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 ¹ |
Resolution |
Accuracy |
| 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. |
| Input Characteristics |
| Function |
Overload
Protection |
Input Impedance
(nominal) |
Common Mode Rejection Ratio (1 kΩ unbalance) |
Normal Mode Rejection |
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1100 V RMS |
> 10 MΩ < 100 pF |
> 120 dB at DC, 50 Hz or 60 Hz |
> 60 dB at 50 Hz or 60 Hz |
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1100 V RMS |
> 10 MΩ < 100 pF |
> 60 dB, DC to 60 Hz |
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1100 V RMS |
> 10 MΩ < 100 pF |
> 120 dB at DC, 50 Hz or 60 Hz |
> 60 dB at 50 Hz or 60 Hz |
| Open circuit test voltage |
Full scale |
Typical short circuit current |
| To 6 MΩ |
50 MΩ |
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1100 V RMS |
< 2.7 V DC |
< 0.7 V DC |
< 0.9 V DC |
< 350 mA |
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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 measurement function ± 12 counts for changes > 350 mS in duration |
| AC functions |
The specified accuracy of the measurement function ± 40 counts for changes > 900 mS in duration |
| General Specifications |
| Maximum voltage between any terminal and earth ground |
1000 V DC or AC RMS |
| Ω fuse protection from A inputs |
0.44 A (44/100 A, 440 mA), 1000 V FAST Fuse, Fluke specified part only |
| Display (LCD) |
Update rate: 4/sec
Volts, amps, ohms: 6000 counts
Frequency: 10,000 counts
Capacitance: 1,000 counts |
| Battery type |
Three AA Alkaline batteries, NEDA 15A IEC LR6 |
| Battery life |
300 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) |
| Wireless frequency |
2.4 GHz ISM Band 20 meter range |
| Size (H x W x L) |
4.75 cm x 9.3 cm x 20.7 cm (1.87 in x 3.68 in x 8.14 in) |
| Weight |
340 g (12 oz) |
| Safety standards |
US ANSI: ANSI/ISA 61010-1 / (82.02.01): 3rd edition
CSA: CAN/CSA-C22.2 No 61010-1-12: 3rd edition
CE European: IEC/EN 61010-1:2010 |
Electromagnetic compatibility
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 |
| Ingress Protection (IP) rating |
IP54 |
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