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 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 |
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 |
Ω |
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 |
Resolution |
Accuracy ¹ |
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
UL: UL 61010-1: 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 |
CNX v3000 AC 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 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. |
General Specifications |
Display |
3-1/2 digits, LCD w/backlight, 600 counts, updates 4/sec |
Battery type |
2 AA, NEDA 15 A, IEC LR6 |
Battery life |
400 hours |
Memory |
Record up to 65,000 readings |
Unbound listen interval |
5 seconds |
RF communications |
2.4 GHZ ISM Band |
RF communication range |
20 Meters |
Operating temperature |
-10 °C to +50 °C |
Storage temperature |
-40 °C to +60 °C |
Operating humidity |
90 % at 35 °C, 75 % at 40 °C, 45 % at 50 °C |
EMC |
EN 61326-1:2006 |
Safety compliance |
EN/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 degree |
2 |
Temperature coefficient |
Add 0.1 X (specified accuracy)/ °C (<18 °C or >28 °C) |
Safety rating |
CAT IV 600 V, CAT III 1000 V |
Certifications |
CSA, FCC T68-FWCS IC:6627A-FWCS |
Ingress Protection (IP) rating |
IP42 |
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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