Fluke CNX™ 3000 General Maintenance System | Fluke
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Fluke CNX™ 3000 General Maintenance System

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  • Fluke CNX™ 3000 General Maintenance System

Key features

The CNX 3000 General Maintenance System provides measurement of all common electrical parameters.

The CNX 3000 Wireless Multimeter offers:

  • True-RMS AC And DC voltage measurements to 1000V
  • True-RMS 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

The CNX v3000 AC Wireless Voltage Module offers:

  • True-RMS AC voltage measurements to 1000V
  • ±1% accuracy to 500 Hz, ± 2% accuracy to 1 kHz
  • Memory recording up to 65,000 readings
  • Backlit LCD display
  • CAT IV 600 V, CAT III 1000 V; IP42

The CNX i3000 iFlex AC Wireless Current Module offers:

  • True-RMS AC current measurements to 2500 A
  • 3% accuracy
  • Memory recording up to 65,000 readings
  • iFlex current probe allows you to get into tight, awkward spaces
  • Backlit LCD display
  • CAT III 1000, CAT IV 600 V
  • IP42

Using the optional PC Adapter, the CNX wireless system can track up to 10 measurement modules simultaneously, with results sent to a PC for further analysis.

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Product overview: Fluke CNX™ 3000 General Maintenance System

The Fluke CNX™ 3000 General Maintenance System lets you work on electrical panels faster, safer, easier.

Connect the CNX i3000 iFlex AC Wireless Current Module to your test point, and view the results up to 20 meters away on the CNX Wireless Multimeter. Or connect the CNX v3000 AC Wireless Voltage Module and view both voltage and current measurements simultaneously.

You'll save time, with less run-around collecting multiple measurements. Use multiple modules for measurements on three-phase systems. Or use as a stand-alone measurement tool or combine with other CNX modules as a system for multiple measurements.

From short distances, you can even view readings from modules through closed electrical panels. Plus no more writing down data as the CNX remote modules capture up to 65,000 sets of time stamped min/max/avg readings, using the optional PC adapter. CNX wireless test tools also offer increased safety by letting you view readings in a separate location from the test point. Now you can take readings on moving machinery, with only the measurement module in harm's way.

Specifications: Fluke CNX™ 3000 General Maintenance System

CNX 3000 Wireless Multimeter

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 ¹ResolutionAccuracy ² ³
45 Hz to 500 Hz500 Hz to 1 kHz
600.0 mV0.1 mV1.0 % + 32.0 % + 3
6.000 V0.001 V
60.00 V0.01 V
600.0 V0.1 V
1000 V1 V
Notes:
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
FunctionRangeResolutionAccuracy
mV600.0 mV0.1 mV0.09 % + 2
V6.000 V0.001 V0.09 % + 2
60.00 V0.01 V
600.0 V0.1 V
1000 V1 V0.15 % + 2
Ω600 Ω1 ΩMeter beeps at < 25 Ω, beeper detects opens or shorts of 250 μs or longer.
Ω600.0 Ω0.1 Ω0.5 % + 2
6.000 kΩ0.001 kΩ0.5 % + 1
60.00 kΩ0.01 kΩ
60.00 kΩ0.1 kΩ
600.0 kΩ0.001 MΩ
50.00 MΩ0.01 MΩ1.5 % + 3
Diode test2.000 V0.001 V1 % + 2
μF1000 nF1 nF1.2 % + 2
10.00 μF0.01 μF
100.0 μF0.1 μF
9999 μF¹1 μF10 % typical
Notes:
¹ In the 9999 μF range for measurements to 1000 μF, the measurement accuracy is 1.2 % + 2.
AC and DC Current
FunctionRange ¹ResolutionAccuracy
mA AC
(45 Hz to 1 kHz)		60.00 mA0.01 mA1.5 % + 3
400.0 mA ³0.1 mA
mA DC ²60.00 mA0.01 mA0.5 % + 3
400.0 mA0.1 mA
Notes:
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
RangeResolutionAccuracy ¹
99.99 Hz0.01 Hz0.1 % + 1
999.9 Hz0.1 Hz
9.999 kHz0.001 kHz
99.99 kHz0.01 kHz
Notes:
¹ Frequency is specified up to 99.99 kHz in volts and up to 10 kHz in amps.
Input Characteristics
FunctionOverload
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 voltageFull scaleTypical short circuit current
1100 V RMS< 2.7 V DCTo 6 MΩ: < 0.7 V DC
50 MΩ: < 0.9 V DC		< 350 mA
1100 V RMS< 2.7 V DCTo 6 MΩ: 2.000 V DC< 1.1 mA
FunctionOverload ProtectionOverload
mAFused, 44/100 A,
1000 V FAST Fuse		600 mA overload for 2 minutes maximum, 10 minutes rest minimum
MIN/MAX Recording
FunctionAccuracy
DC functionsThe specified accuracy of the measurement function ± 12 counts for changes > 350 mS in duration.
AC functionsThe specified accuracy of the measurement function ± 40 counts for changes > 900 mS in duration.
General Specifications
Maximum voltage between any terminal and earth ground1000 V DC or AC RMS
Ω fuse protection from A inputs0.44 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 typeThree AA Alkaline batteries, NEDA 15A IEC LR6
Battery life300 hours minimum
TemperatureOperating: -10 °C to 50 °C
Storage: -40 °C to 60 °C
Relative humidity0 % to 90 % (0 °C to 35 °C)
0 % to 75 % (35 °C to 40 °C)
0 % to 45 % (40 °C to 50 °C)
AltitudeOperating: 2,000 m
Storage: 12,000 m
Temperature coefficient0.1 X (specified accuracy) / °C (<18 °C or >28 °C)
Wireless frequency2.4 GHz ISM Band 20 meter range
Size (HxWxL)4.75 cm x 9.3 cm x 20.7 cm
(1.87 in x 3.68 in x 8.14 in)
Weight340 g (12 oz)
Safety standardsUS 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) ratingIP54
Notes:
• Accuracy is specified as ± ([% of reading] + [number of least significant digits]).
• All ranges are autoranging.
• Accuracy is specified from 5 % to 100 % of the range obtained by autoranging, from 18 °C to 28 °C.

Fluke CNX i3000 iFlex AC Wireless Current Module

Specifications
Range2500 A AC
Resolution0.1 A to 999.9, 1A from 1000 to 2500
Accuracy3 % ± 5 digits
Crest factor (50 Hz/60 Hz)3.0 at 1100 A, 2.5 at 1400 A, 1.42 at 2500 A, add 2 % for C.F. > 2
Display3-1/2 digits, LCD w/backlight
Log rate/interval1 sec minimum/adjustable by PC or front panel
Battery type2 AA, NEDA 15 A, IEC LR6
Battery life400 hours
MemoryRecord up to 65,000 readings
RF communications2.4 GHZ ISM Band
RF communication range20 Meters
Operating temperature-10 °C to +50 °C
Storage temperature-40 °C to +60 °C
Operating humidity90 % at 35 °C
75 % at 40 °C
45 % at 50 °C
EMCEN 61326-1:2006
Safety complianceEN/IEC 61010-1:2010 to 1000 V Measurement Category (CAT) III
600 V Measurement Category (CAT) IV
EN/IEC 61010-2-030:2010
EN/IEC 610101-2-031:2002
EN/IEC 61010-2-032:2002
Pollution degree2
Temperature coefficientAdd 0.1 X (specified accuracy) / °C per °C (<18 °C or >28 °C)
Safety ratingCAT IV 600 V, CAT III 1000 V
CertificationsCSA, FCC T68-FWCS IC:6627A-FWCS
Ingress Protection (IP) ratingIP42
Size (HxWxD)16.5 cm x 6.35 cm x 3.56 cm (6.5 in x 2.5 in x 1.4 in)
Weight.22 kg (8 oz)
Jaw opening25.4 cm (10 in) coil

Fluke CNX v3000 AC Wireless Voltage Module

Accuracy is specified as ± ([% of reading] + [number of least significant digits]). All ranges are autoranging. Accuracy is specified from 5 % to 100 % of the range obtained by autoranging, from 18 °C to 28 °C.

AC Voltage
Range ¹ResolutionAccuracy ² ³
45  Hz to 500 Hz500 Hz to 1 kHz
6.000 V0.001 V1.0 % + 32.0 % + 3
60.00 V0.01 V
600.0 V0.1 V
1000 V1 V
Notes:
¹ All AC voltage ranges are specified from 1 % of range to 100 % of range.
² Crest factor of ≤ 3 at full scale up 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.
General Specifications
LCD w/backlight3½ digits, 6000 counts, updates 4/sec
Battery type2 AA, NEDA 15 A, IEC LR6
Battery life400 hours
MemoryRecord up to 65,000 readings
Unbound listen interval5 seconds
RF communications2.4 GHZ ISM Band
RF communication range20 Meters
Operating temperature-10 °C to +50 °C
Storage temperature-40 °C to +60 °C
Operating humidity90 % at 35 °C, 45 % at 40 °C, 45 % at 50 °C
EMCEN 61326-1:2006
Safety complianceEN/IEC 61010-1:2010 to 1000 V Measurement Category (CAT) III
600 V Measurement Category (CAT) IV EN/IEC 61010-2-030:2010
EN/IEC 61010-031:2002+A1:2008
Pollution degree2
Temperature coefficient0.1 X (specified accuracy) / °C (< 18 °C or > 28 °C)
Safety ratingCAT IV 600 V, CAT III 1000 V
CertificationsCSA, FCC T68-FWCS IC:6627A-FWCS
Ingress Protection (IP) ratingIP42
Size (HxWxD)16.5 cm x 6.35 cm x 3.56 cm (6.5 in x 2.5 in x 1.4 in)
Weight.22 kg (8 oz)
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