The AVO850 is a professional True-RMS digital multimeter with TFT colour LCD screen with 50,000-count display. This multimeter combines a range of features, precise measurements, and quality construction into a tool of exceptional value. Easy to use and built to last, the AVO850 offers long-term stability for everyday use.
Megger AVO850 Offers
The AVO850 multimeter supports a wide array of measurements, including AC/DC voltage up to 1000 V, AC/DC current up to 10 A, resistance, frequency up to 10 MHz, capacitance up to 10 mF, and temperature. It also features continuity testing with audible and visual indicators, diode testing, and 420 mA process loop measurement with percentage readings, making it versatile for various applications. It also offers Bluetooth connectivity, enabling real-time data sharing with iOS and Android devices through the Megger app.
Features
- True-RMS AC current and voltage measurements
- Current measurement up to 10 A (20 A possible for 30 seconds maximum)
- Measure frequency up to 10 MHz
- 10mF capacitance range
- Resistance, continuity, and diode measurements
- 4-20mA process loop measurement with % reading, AC+DC and LoZ
- Type K thermocouple input for temperature measurement
- High-accuracy of ±0.05% ensures reliable data even with non-sinusoidal waveforms
- High-resolution 50,000count, 320 x 240 TFT color LCD with analog bar graph
- Datalogging and trend capture features allow users to monitor and record measurements over time for detailed analysis
- Li-ion rechargeable battery; includes AC adapter and charger
- Bluetooth interface and compatible with the Megger app
- Safety rated CAT III 1000 V, CAT IV 600 V
- IP40 (waterproof and dustproof) rating
- Designed and tested to withstand a 6.6′ (2 m) drop
Applications
- AC/DC Voltage and Current Measurement: Ideal for verifying power supply and circuit integrity in industrial equipment, motor controls, and automation systems.
- High-Frequency Measurement: With frequency measurement capabilities up to 10 MHz, it is useful in environments where electronic components operate at high frequencies.
- Process Control Loop Testing: The 420 mA loop measurement function is valuable for testing industrial control systems and ensuring accurate signal transmission in-process controls.
- Resistance and Continuity Testing: Essential for locating faulty connections, broken wires, and identifying continuity issues in electrical installations.
- Diode Testing: Allows technicians to check the operation of diodes and semiconductor components, which is crucial in maintenance and repair tasks.
- Capacitance Measurement: Useful for assessing capacitors in AC systems and testing electrical storage elements within various electronic devices.
- True RMS Measurement: Measures true root-mean-square values accurately for non-linear loads, helping identify issues in power quality caused by harmonics in commercial and residential power systems.
- DataLogging and Trend Analysis: Enables extended monitoring of electrical parameters to detect fluctuations and patterns over time, which is valuable for preventive maintenance.
- Temperature Measurement: Its temperature measurement capability supports HVAC applications, such as verifying thermostat accuracy, and assessing temperature-sensitive components in renewable energy systems.
- Testing for Solar Panels and Wind Turbines: Used for measuring voltage and current in renewable energy installations, ensuring proper operation, and identifying any performance issues.
- Precision Measurement: High-accuracy voltage and resistance measurements support the needs of laboratory testing, research, and electronics design, where precision is essential.
- Capacitance and Frequency Testing: Assists in analyzing components and circuits in electronic design and development.
- Diagnostic Testing on Vehicle Electronics: Useful for checking battery voltage, testing alternators, and examining sensors and circuits within vehicles, making it ideal for automotive diagnostics.
Megger AVO850 Specifications
| AC Voltage | |
| 500 mV | Resolution: 0.01 mV 50/60 Hz: (±0.5% +5) <1 kHz: ±(1.0% + 5) <5 kHz: ±(3.0% + 5) <20 kHz*: ±(5.5% + 20) *upper 10 % of range. |
| 5 V | Resolution: 0.0001 V 50/60 Hz: ±(0.5% + 5) <1 kHz: ±(1.0% + 5) <5 kHz: ±(3.0% + 5) <20 kHz*: ±(5.5% + 20) *upper 10 % of range. |
| 50 V | Resolution: 0.001 V 50/60 Hz: ±(0.5% + 5) <1 kHz: ±(1.0% + 5) <5 kHz: ±(3.0% + 5) <20 kHz*: ±(5.5% + 20) *upper 10 % of range. |
| 500 V | Resolution: 0.01 V 50/60 Hz: ±(1.5% + 10) <1 kHz: ±(1.5% + 10) <5 kHz: ±(3.5% + 10) <20 kHz*: unspecified *upper 10 % of range. |
| 1000 V | Resolution: 0.1 V 50/60 Hz: ±(1.5% + 10) <1 kHz: ±(1.5% + 10) <5 kHz: unspecified <20 kHz*: unspecified *upper 10 % of range. |
| DC Voltage | |
| 500 mV* * When using the relative mode (REL Q) to compensate for offsets. |
Resolution: 0.01 mV Accuracy: ±(0.1% + 5 digits) |
| 5 V | Resolution: 0.0001 V Accuracy: ±(0.05% + 5 digits) |
| 50 V | Resolution: 0.001 V Accuracy: ±(0.05% + 5 digits) |
| 500 V | Resolution: 0.01 V Accuracy: ±(0.05% + 5 digits) |
| 1000 V | Resolution: 0.1 V Accuracy: ±(0.1% + 5 digits) |
| (AC+DC) | |
| 5 V | Resolution: 0.0001 V <1 kHz: ±(1.2% + 20) <5 kHz: ±(3.0% + 20) |
| 50 V | Resolution: 0.001 V <1 kHz: ±(1.2% + 20) <5 kHz: ±(3.0% + 20) |
| 500 V | Resolution: 0.01 V <1 kHz: ±(1.2% + 20) <5 kHz: ±(3.0% + 20) |
| 1000 V | Resolution: 0.1 V <1 kHz: ±(1.2% + 20) <5 kHz: ±(3.0% + 20) |
| Resistance | |
| 500 Ω | Resolution: 0.01 Ω Accuracy: ±(0.20% + 10) |
| 5 kΩ | Resolution: 0.0001 kΩ Accuracy: ±(0.20% + 5) |
| 50 kΩ | Resolution: 0.001 kΩ Accuracy: ±(0.20% + 5) |
| 500 kΩ | Resolution: 0.01 kΩ Accuracy: ±(0.50% + 5) |
| 5 MΩ | Resolution: 0.0001 MΩ Accuracy: ±(0.50% + 5) |
| 50 MΩ | Resolution: 0.001 MΩ Accuracy: ±(2.0% + 10) |
| Temperature (Type-K) | |
| -200 to 1350 °C | Resolution: 0.1 °C Accuracy: ±(1.0% reading + 3.0 °C) ±(1.0% reading + 5.4 °F) Note: Probe accuracy not included 1. Does not include error of the thermocouple probe. 2. Accuracy specification assumes ambient temperature stable to ±1 °C. 3. Over long use, reading may increase by 2 °C. 4. Accuracy for <-50 °C range: ±(3% + 5 °C) |
| DC Current | |
| 500 µA | Resolution: 0.01 µA Accuracy: ±(0.2% + 5) |
| 5000 µA | Resolution: 0.1 µA Accuracy: ±(0.2% + 5) |
| 50 mA | Resolution: 0.001 mA Accuracy: ±(0.2% + 5) |
| 500 mA | Resolution: 0.01 mA Accuracy: ±(0.3% + 8) |
| 10 A | Resolution: 0.001 A Accuracy: ±(0.5% + 8) |
| AC Current | |
| 500 µA | Resolution: 0.01 µA Accuracy: ±(0.8% + 5) for <1 kHz ±(3% + 5) for <5 kHz |
| 5000 µA | Resolution: 0.1 µA Accuracy: ±(0.8% + 5) for <1 kHz ±(3% + 5) for <5 kHz |
| 50 mA | Resolution: 0.001 mA Accuracy: ±(0.8% + 5) for <1 kHz Accuracy: ±(3% + 5) for <5 kHz |
| 500 mA | Resolution: 0.01 mA Accuracy: ±(0.8% + 5) for <1 kHz ±(3% + 5) for <5 kHz |
| 10 A | Resolution: 0.001 A Accuracy: ±(0.8% + 5) for <1 kHz ±(3% + 5) for <5 kHz |
| Note | All AC current ranges are specified from 5% of range to 100% of range |
| Capacitance | |
| 5 nF* * With a film capacitor or better, using relative mode (REL) to zero residual |
Resolution: 0.001 nF Accuracy: ±(1.5% + 20) |
| 50 nF | Resolution: 0.01 nF Accuracy: ±(1.5% + 8) |
| 500 nF | Resolution: 0.1 nF Accuracy: ±(1.0% + 8) |
| 5 µF | Resolution: 0.001 µF Accuracy: ±(1.5% + 8) |
| 50 µF | Resolution: 0.01 µF Accuracy: ±(1.0% + 8) |
| 500 µF | Resolution: 0.1 µF Accuracy: ±(1.5% + 8) |
| 10 mF | Resolution: 0.01 mF Accuracy: ±(2.5% + 20) |
| Electronic Frequency | |
| 50 Hz | Resolution: 0.001 Hz Accuracy: ±(0.01% + 5) Sensitivity: 2 V rms min. at 20 to 80% duty cycle and <100 kHz 5 V rms min at 20 to 80% duty cycle and>100 kHz. |
| 500 Hz | Resolution: 0.01 Hz Accuracy: ±(0.01% + 5) Sensitivity: 2 V rms min. at 20 to 80% duty cycle and <100 kHz 5 V rms min at 20 to 80% duty cycle and>100 kHz. |
| 5 kHz | Resolution: 0.0001 kHz Accuracy: ±(0.01% + 5) Sensitivity: 2 V rms min. at 20 to 80% duty cycle and <100 kHz 5 V rms min at 20 to 80% duty cycle and>100 kHz. |
| 50 kHz | Resolution: 0.001 kHz Accuracy: ±(0.01% + 5) Sensitivity: 2 V rms min. at 20 to 80% duty cycle and <100 kHz 5 V rms min at 20 to 80% duty cycle and>100 kHz. |
| 500 kHz | Resolution: 0.01 kHz Accuracy: ±(0.01% + 5) Sensitivity: 2 V rms min. at 20 to 80% duty cycle and <100 kHz 5 V rms min at 20 to 80% duty cycle and>100 kHz. |
| 5 MHz | Resolution: 0.0001 MHz Accuracy: ±(0.01% + 5) Sensitivity: 2 V rms min. at 20 to 80% duty cycle and <100 kHz 5 V rms min at 20 to 80% duty cycle and>100 kHz. |
| 10 MHz | Resolution: 0.001 MHz Accuracy: Unspecified Sensitivity: 2 V rms min. at 20 to 80% duty cycle and <100 kHz 5 V rms min at 20 to 80% duty cycle and>100 kHz. |
| Electrical Frequency | |
| 10.00 Hz to 10 kHz | Resolution: 0.01 Hz – 0.001 kHz Accuracy: ±(0.5% reading) Sensitivity: 2 V rms |
| Duty Cycle | |
| 0.1 to 99.90% | Resolution: 0.01% Accuracy: ±(1.2% reading + 2 digits) Pulse width: 100 µs to 100 ms Frequency: 5 Hz to 150 kHz |
| General Specifications | |
| Maximum voltage | 1000 V (between any terminal and earth ground) |
| Fuse protection | F1 – A inputs: 10 A, 1000 V, 30 kA F2 – mA input: 800 mA, 1000 V, 30 kA |
| Display | 50 000 count, TFT LCD, 20x per second |
| Enclosure | Double molded, IP40 rating |
| Environmental Conditions | Operating temperature: 41 to 104°F (5 to 40 °C) Storage temperature: ‘-4 to 140°F (-20 to 60°C) Operating humidity: Max 80% up to 87°F (31 °C), decreasing linearly to 50% at 104°F (40°C) Storage humidity: 50% at 104 °F (40 °C) Altitude: 2000 m maximum Shock (drop test): 6.5′ (2 m) |
| Battery | Lithium polymer battery (NEDA 1604, 1200 mAh, 7.4 V, 8.88 Wh) Battery life: 300 to 500 charge cycles |
| Safety | IEC 61010-1: Pollution Degree 2, IEC 61010-2-033: CAT IV 600 V, CAT III 1000 V |
| EMC | IEC 61326-1: Portable Electromagnetic Environment, CISPR 11: Group 1, Class A, IEC 61326-2-2 |
| Dimensions | 170 x 79 x 50 mm |
| Weight | 376 g (with battery: 416 g) |
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