The RFVolt2000A is a wireless voltage data logger. Includes standard calibration certificate. Read More >

Key Features:

  • Digital Display
  • Available in 4 Measurement Ranges
  • Configurable Alarms & Notifications



The RFVolt2000A is a wireless voltage data logger designed to connect directly to DC voltage sources. This device can also be interfaced with a wide range of voltage output sensors, including pressure sensors and CO2 sensors, as well as transmitters and other transducers. The RFVolt2000A is available in four ranges: 2.5VDC, 15VDC, 30VDC or 160mVDC.

The RFVolt2000A-160mVDC model is a wireless, differential voltage data logger. The device is equipped with a three position terminal block to allow for a positive, negative and ground connection. This allows the measurement of the voltage difference between two signals tied to the same ground.

This device features an LCD screen which provides instant access to current readings, minimum, maximum and average statistics. Equipped with user-programmable alarms, the RFVolt2000A will alert or notify users via email or text when thresholds are breached, allowing users to take immediate action.

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The RFVolt2000A is compatible with the latest MadgeTech 4 Software making starting, stopping, and downloading simple and easy. Graphical, tabular, and summary data is provided for analysis and can be viewed as customizable engineering units.

The RFVolt2000A is also MadgeTech Cloud Services ready, providing users the ability to monitor data remotely on any smartphone, tablet or internet enabled device.

Note: RFC wireless interface required.


Memory 32,256 readings
Reading Rate 1 reading every second up to 1 reading every 24 hours
Baud Rate 250,000
LED Indicators Green, Blue & Red
Battery Life 5 years typical at a 15 minute reading rate
MaterialABS plastic
Dimensions3.5 in x 3.17 in x 0.95 in (88.9 mm x 80.5 mm x 24.1 mm) - Data logger only
IP Rating IP22
Operating Environment -20 °C to +60 °C (-4 °F to +140 °F), 0 %RH to 95 %RH non-condensing
Required Interface Package RFC1000 (wireless); USB to Mini USB Cable
ApprovalsUS (FCC), CA (IC), CE, South Korea (KCC), China (CMIIT), Japan (LCIE)


Voltage Range 2.5 V: -3 VDC to +3 VDC
15 V: -8 VDC to +24 VDC
30 V: -8 VDC to +32 VDC
160 mV:-160 mVDC to +160 mVDC
Voltage Resolution 0 to 2.5 VDC: 0.1 mVDC
0 to 15 VDC: 0.5 mVDC
0 to 30 VDC: 1.0 mVDC
0 to 160 mVDC: 5 μv
Voltage Calibrated Accuracy 2.5 V: ±0.05%FSR at 25 °C (77 °F)
15 V: ±0.05%FSR at 25 °C (77 °F)
30 V: ±0.05%FSR at 25 °C (77 °F)
160 mV: ±0.01%FSR at 25 °C (77 °F)


RFVolt2000A Specification Sheet

RFVolt2000A Product User Guide

Support Videos

RFVolt2000A | Changing the Battery

RFVolt2000A | Channel Programming

RFVolt2000A | The Difference Between Current & Voltage


Part Numbers

RFVolt2000A (2.5VDC) — 901460-00
RFVolt2000A (15VDC) — 901450-00
RFVolt2000A (30VDC) — 901465-00
RFVolt2000A (160mVDC) — 901455-00


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