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The CNX 3000 Wireless Multimeter has all the essentials for convenient test and measurement troubleshooting.
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.
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 | ||
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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. |
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| 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. |
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| 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 | ||
 |
1100 V RMS | > 10 MΩ < 100 pF | > 120 dB at DC, 50 Hz or 60 Hz | > 60 dB at 50 Hz or 60 Hz | ||
 |
1100 V RMS | > 10 MΩ < 100 pF | > 60 dB, DC to 60 Hz | |||
 |
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 | |||||
 |
1100 V RMS | < 2.7 V DC | < 0.7 V DC | < 0.9 V DC | < 350 mA | |
 |
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 |
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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 |
