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Megger

Megger AVO850 Advanced True-RMS Multimeter

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  • High-precision multimeter with 1000 V AC/DC voltage and 10 A current measurement ranges
  • Excellent accuracy: ±0.05% for DC voltage and ±0.2% for resistance
  • Features Temperature (Type-K), Capacitance, Frequency, and Duty Cycle measurements
  • Includes Relative mode (REL) for offset compensation and True RMS capability
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Buy Megger AVO850: Professional True-RMS Digital Multimeter with Bluetooth

The Megger AVO850 True-RMS Digital Multimeter is a premium-grade instrument engineered for electricians, field engineers, and industrial maintenance teams who demand absolute accuracy and rugged durability. Built with Megger's trusted reliability, this industrial multimeter is the ideal solution for HVAC system testing, power distribution diagnostics, renewable energy verification, and complex troubleshooting. When you are looking for the best price on a professional tool that combines traditional robustness with modern connectivity, the AVO850 stands out as a top contender in the market. It offers the precision required to diagnose modern electrical systems safely, ensuring that every measurement is reliable under the harshest site conditions.

True-RMS Measurement Technology and Performance

Unlike basic testers that struggle with distorted signals, the AVO850 utilizes advanced True-RMS measurement to provide accurate AC readings on distorted or non-linear waveforms. This capability is essential for modern industrial environments where Variable Frequency Drives (VFDs), motor controllers, and harmonics-heavy circuits are standard. By averaging the value of a waveform, standard meters often provide incorrect readings on these complex loads; however, the AVO850 captures the true root mean square value, ensuring data integrity. With impressive ranges up to 1000 V AC/DC and 10 A current, this meter delivers consistent results even in the most challenging electrical environments, making it a vital asset for any high-energy system analysis.

Technical Features and Field Applications of the Megger AVO850

Engineered for versatility, the Megger AVO850 consolidates multiple specialized tools into a single, efficient device, streamlining your workflow and reducing the need to carry various instruments. It is designed to handle a wide array of tasks, from basic continuity checks to advanced diagnostics. The device features a bright, easy-to-read display and intuitive controls that allow for rapid testing without compromising safety. The following core capabilities highlight why this meter is essential for professional technicians:

  • Comprehensive measurement capabilities including AC/DC voltage, current, resistance, continuity, capacitance, frequency, duty cycle, diode testing, and temperature using the included Type-K thermocouple.
  • A high-resolution 6000-count backlit LCD with an analogue bar graph allows for clear visualization of fluctuating signals and rapid data interpretation in low-light conditions.
  • Advanced capture functions such as Min/Max/Avg, Peak Hold, Relative mode, and Data Hold, which are critical for documenting intermittent faults and tracking voltage spikes.
  • Auto-ranging with manual override ensures faster testing by automatically selecting the correct range, while still allowing the user to lock settings for repetitive measurements.

Safety Certifications and Rugged Design Standards

Safety is non-negotiable in professional environments, and the Megger AVO850 is built to meet the highest industry standards. It is certified to CAT IV 600 V / CAT III 1000 V and is fully compliant with IEC 61010-1 safety regulations. This high safety rating makes it suitable for use at the source of the installation, such as main incoming supplies and distribution panels. Additionally, the meter features a double-moulded, impact-resistant housing that provides extra protection against accidental drops and harsh site conditions. Its ergonomic, compact design ensures comfortable handling during extended use, allowing you to work longer without fatigue while maintaining complete confidence in your equipment's integrity.

Bluetooth Data Logging and Connectivity

In today's data-driven industry, the ability to record and analyze measurements remotely is a significant efficiency booster. The Megger AVO850 features integrated Bluetooth connectivity, allowing you to send real-time measurement data directly to a smartphone or tablet. This functionality enables remote monitoring, making it safer and easier to take readings from hazardous or hard-to-reach areas without compromising your position. By utilizing the dedicated mobile application, users can log data, generate reports on the go, and share results instantly with colleagues or clients, streamlining the documentation process and enhancing overall job site productivity.

Why the Megger AVO850 is the Best Price-to-Performance Choice

When you choose the Megger AVO850, you are investing in a legacy of professional-grade instrumentation. It is the perfect upgrade from entry-level or mid-range multimeters for engineers seeking long-term durability and modern features. This device combines industrial reliability with the modern usability required by today's technicians. It is specifically designed for preventive maintenance, commissioning, and troubleshooting tasks where failure is not an option. If you are looking to buy a digital multimeter that offers the best price in

FunctionRangeResolutionAccuracy / Conditions
AC Voltage
AC Voltage500 mV0.01 mV(±0.5% + 5) at 50/60 Hz
AC Voltage5 V0.0001 V(±1.0% + 5) at 50/60 Hz; (±3.0% + 5) <1 kHz; (±5.5% + 20) <5 kHz
AC Voltage50 V0.001 V(±1.5% + 10) at 50/60 Hz; (±3.5% + 10) <1 kHz; unspecified <5 kHz
AC Voltage500 V0.01 V(±1.5% + 10) at 50/60 Hz; (±3.5% + 10) <1 kHz; unspecified <5 kHz
AC Voltage1000 V0.1 Vunspecified at 50/60 Hz and <1 kHz
* For ACV: upper 10% of range applies for <20 kHz band.
DC Voltage
DC Voltage500 mV *0.01 mV(±0.1% + 5 digits)
DC Voltage5 V0.0001 V(±0.05% + 5 digits)
DC Voltage50 V0.001 V(±0.05% + 5 digits)
DC Voltage500 V0.01 V(±0.05% + 5 digits)
DC Voltage1000 V0.1 V(±0.1% + 5 digits)
* Use REL mode (REL Q) to compensate for offsets.
AC + DC Voltage
AC+DC5 V0.0001 V(±1.2% + 20) <1 kHz; (±3.0% + 20) <5 kHz
AC+DC50 V0.001 V—
AC+DC500 V0.01 V—
AC+DC1000 V0.1 V—
Resistance
Resistance500 Ω *0.01 Ω(±0.20% + 10)
Resistance5 kΩ0.0001 kΩ(±0.20% + 5)
Resistance50 kΩ0.001 kΩ(±0.20% + 5)
Resistance500 kΩ0.01 kΩ(±0.50% + 5)
Resistance5 MΩ0.0001 MΩ(±0.50% + 5)
Resistance50 MΩ0.001 MΩ(±2.0% + 10)
* Use REL mode (REL Q) to compensate for offsets.
Temperature (Type-K)
Temperature (Type-K)−200 - 1350 °C0.1 °C(±1.0% of reading + 3.0 °C) / (±1.0% of reading + 5.4 °F). Probe accuracy not included.
DC Current
DC Current500 µA0.01 µA(±0.2% + 5)
DC Current5000 µA0.1 µA(±0.2% + 5)
DC Current50 mA0.001 mA(±0.2% + 5)
DC Current500 mA0.01 mA(±0.3% + 8)
DC Current10 A0.001 A(±0.5% + 8)
AC Current
AC Current500 µA0.01 µA(±0.8% + 5) <1 kHz; (±3% + 5) <5 kHz
AC Current5000 µA0.1 µA—
AC Current50 mA0.001 mA—
AC Current500 mA0.01 mA—
AC Current10 A0.001 A—
All AC current ranges specified from 5% to 100% of range. Burden: mA input ≈ 3.8 mV/A, A input ≈ 30 mV/A.
Capacitance
Capacitance5 nF *0.001 nF(±1.5% + 20)
Capacitance50 nF0.01 nF(±1.5% + 8)
Capacitance500 nF0.1 nF(±1.0% + 8)
Capacitance5 µF0.001 µF(±1.5% + 8)
Capacitance50 µF0.01 µF(±1.0% + 8)
Capacitance500 µF0.1 µF(±1.5% + 8)
Capacitance10 mF0.01 mF(±2.5% + 20)
* With film capacitor or better; use REL to zero residual.
Electronic Frequency
Electronic Frequency50 Hz0.001 Hz(±0.05% + 5)
Electronic Frequency500 Hz0.01 Hz(±0.01% + 5)
Electronic Frequency5 kHz0.0001 kHz(±0.01% + 5)
Electronic Frequency50 kHz0.001 kHz(±0.01% + 5)
Electronic Frequency500 kHz0.01 kHz(±0.01% + 5)
Electronic Frequency5 MHz0.0001 MHz(±0.01% + 5)
Electronic Frequency10 MHz0.001 MHzunspecified
Electrical Frequency
Electrical Frequency10.00 Hz – 10 kHz0.01 Hz – 0.001 kHz(±0.5% of reading)
Duty Cycle
Duty Cycle0.1% – 99.90%0.01%(±1.2% of reading + 2 digits). Pulse width: 100 µs – 100 ms; Frequency: 5 Hz – 150 kHz.
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