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Fluke CNX v3000

AC Wireless Voltage Module

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A fully functional True-RMS voltage meter that wirelessly relays True-RMS AC voltage measurements to the CNX Wireless Multimeter.

The CNX v3000 Wireless Voltage Module is part of the Fluke team of wireless troubleshooting tools.

Connect the CNX v3000 AC Wireless Voltage Module to your test point, and view the results up to 20 meters away on the CNX 3000 Wireless Multimeter. You’ll save time, with less run-around collecting multiple measurements. Plus, no more writing down data as the CNX 3000 captures up to 65,000 sets of time stamped min/max/avg readings. 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

The CNX v3000 AC Wireless Voltage Module provides:

  • 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 wireless system can track up to 10 measurement modules simultaneously, with results sent to a PC for detailed analysis.

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
6.000 V 0.001 V 1.0 % + 3 2.0 % + 3
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  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/backlight

3½  digits, 6000 counts,  updates 4/sec

Battery type

2 AA, NEDA 15 A, IEC LR6

Battery life

400  Hours


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, 45 % at 40 °C, 45 % at 50 °C


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


Temperature coefficient

0.1 X (specified  accuracy)/°C (< 18 °C or > 28 °C)

Safety rating

CAT IV 600  V, CAT III 1000 V



Ingress Protection (IP) rating


Size  (HxWxD)

16.5  cm x 6.35  cm x 3.56 cm (6.5 in x 2.5 in x 1.4 in)


.22 kg (8 oz)

There are no files associated with this product. For more information please call 0800 0224 060

Standard Delivery 3-5 Day Delivery – UK
£2.95 for all all orders under £40.00 (exld vat). Sent by Royal Mail Tracked, delivered/posted within 3-5 working days from the date of your order, subject to availability.

Standard Free Delivery 3-5 Day Delivery – UK Mainland only - Zone A & B
Included in the price for all orders over £40.00 (exld vat). Sent using FedEx, delivered within 3-5 working days from the date of your order, subject to availability.

Express DPD Delivery 1-2 Day Delivery – UK Mainland only - Zone A & B
£4.50 select at the checkout. Sent using DPD on their Award Winning “Predict” Service with these great key benefits:

  • You are given a one hour delivery window. (no more waiting in all day for your parcel)
  • You are notified by text or e-mail on your parcels progress.
  • Change of plan? You can easily use the text or e-mail to rearrange your delivery.
  • Notifications on your parcel up to 15 minutes before delivery.

Orders must be placed before 3pm for next day delivery and a mobile number supplied, subject to availability.

Next Day Delivery – UK Mainland only - Zone A & B
£8.00 select at the checkout. Sent using FedEx, orders must be placed before 3pm for next day delivery, subject to availability.

Saturday Pre 12am - UK Mainland only - Zone A & B
£15.00 select at the checkout. Sent using FedEx, orders must be placed before 3pm for Saturday delivery.

Delivery Surcharges
Because of the high cost of carriage we need to apply a surcharge on all deliveries made in the following regions: 

  • Scotland, Isle of Wight & Isles of Scilly - £6.00  
  • Scottish Highlands and Northern Ireland - £12.00  Zone C
  • Scottish Islands, Isle of Man and Channel Islands - £14.00  Zone D
  • Southern Island - £15.00  Zone E


 International delivery

International delivery charges are automatically added to your order at the checkout; you can also use the guide below for a guide on prices. For any questions regarding international deliveries please contact us at

 Zone 1:

  • France, Germany, Belgium, Netherlands, Luxembourg. £20.00 per parcel

Zone 2:

  • Austria, Denmark. £22.00 per parcel
  • Liechtenstein, Switzerland £47.00 per parcel (added cost for custom clearance surcharge)

Zone 3:

  • Czech Republic, Italy, Slovakia, Spain. £28.00 per parcel

Zone 4:

  • Estonia, Finland, Hungary, Poland, Portugal, Slovenia, Sweden. £50.00 per parcel

Zone 5:

  • Bulgaria, Croatia, Greece (incl islands) Latvia, Lithuania, Romania. £60.00 per parcel

Bosnia-Herzegovina, Iceland, Norway, Serbia. £85.00 per (added cost for custom clearance surcharge)

If no shipping option is available to your selected country.  Please call us on +44 (0) 1603 406 148 to purchase your items.