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.
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.
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
Applications
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) |
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) |