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PM820MG
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Specification & Description
| Specification | Description |
|---|---|
| Part Number | PM820MG |
| Manufacturer | Schneider Electric |
| Product Type | Power Meter |
| Display | Backlit LCD |
| Power Quality Analysis | Up to the 31st harmonic |
| Measurement Types | Power factor, energy, reactive power, active power, apparent power, frequency, voltage, current |
| Supply Voltage | 115...415 V AC (45...67 Hz), 125...250 V DC |
| Network Frequency | 45...67 Hz, 350...450 Hz |
| Power Consumption in VA | 15 VA |
| Measurement Current | 5 A, 1 A |
| Input Type | Current 0.005...10 A (impedance <= 0.1 Ohm) |
| Measurement Voltage | 0...347 V AC phase to neutral, 0...600 V AC phase to phase |
| Number of Inputs | 1 digital 0...5 mA 24...125 V AC/DC |
| Measurement Accuracy | ± 0.2% power, ± 0.002 power factor, ± 0.01 Hz frequency, ± 0.2% energy, ± 0.2% voltage, ± 0.5% current |
| Accuracy Class | Class 0.2 (active energy according to ANSI C12.20), Class 0.5S (active energy according to IEC 62053-22), Class 2 (reactive energy according to IEC 62053-23) |
| Number of Outputs | 1 digital (static) |
| Communication Port Protocol | Modbus: 38.4 kbauds |
| Communication Port Support | RS485 |
| Mounting Mode | Flush-mounted |
| Mounting Support | Panel |
| Type of Installation | Indoor installation |
| Overvoltage Category | III |
| IP Degree of Protection | IP52 (front face), IP30 (back) |
| Relative Humidity | 90% at 40 °C |
| Pollution Degree | 2 |
| Ambient Air Temperature for Operation | -25...70 °C |
| Ambient Air Temperature for Storage | -40...85 °C |
| Operating Altitude | 0...3000 m |
| Standards | IEC 61010-1, UL 508, CSA C22.2 No 14 |
| Product Certifications | CE, cULus |
| Dimensions | 96 mm width, 70 mm depth (meter), 96 mm height |
| Product Weight | 0.6 kg |
| Sustainable Offer Status | Green Premium product |
The Schneider PM820MG is a sophisticated LCD digital power meter designed to offer comprehensive power monitoring capabilities. Engineered to cater to a diverse range of industrial and commercial applications, this compact unit is adept at measuring and analysing electrical parameters with high accuracy. Its sleek 96 x 96 mm profile ensures it can be easily integrated into electrical panels without requiring extensive space.
Equipped with an intuitive, backlit LCD display, the PM820MG presents real-time measurements for all three phases and neutral simultaneously, making it easy for users to monitor system status at a glance. The device boasts an impressive array of features including total harmonic distortion (THD) metering, alarming on critical conditions, and an RS-485 Modbus communication port for seamless integration with energy management systems.
The PM820MG is not just a metering device but a tool for enhancing energy efficiency. It provides detailed energy consumption data, which is essential for sub-billing, cost allocation, and energy management strategies. With its ability to log data and record events, the PM820MG is a valuable asset for identifying trends and potential areas for energy optimisation.
This power meter is also designed for durability and reliability, with a robust construction that can withstand the rigours of industrial environments. Whether used for panel instrumentation, remote monitoring, or power quality analysis, the Schneider PM820MG is a versatile solution that delivers precise data to help maintain efficient and reliable electrical installations.
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Frequently Asked Questions
What type of measurements can the LCD Digital Power Meter perform?
The LCD Digital Power Meter is capable of measuring a variety of electrical parameters including current, voltage, frequency, power factor, and total and per phase values for active, apparent, and reactive power. It also measures energy values and demand values, and can perform power quality analysis up to the 31st harmonic.
Can the meter be used for both low voltage and high voltage applications?
Yes, the LCD Digital Power Meter is suitable for use on both low voltage (LV) and high voltage (HV) systems, making it versatile for a range of electrical monitoring tasks.
How does the meter display the measurements?
Measurements are displayed on a backlit white LCD screen, which provides clear visibility of the data. The display is capable of showing multiple values simultaneously for comprehensive monitoring.
Is the meter capable of logging data?
Indeed, the meter comes with an 80 kB memory capacity for data logging, including min/max of instantaneous values, event logs, and two data logs for recording various electrical parameters over time.
What type of communication protocols does the meter support?
The meter supports the Modbus RTU network protocol over an RS485 interface, allowing for integration with various industrial control systems for data communication and analysis.
What is the accuracy class of the meter?
The meter boasts high accuracy classes for energy measurement, including Class 0.5S for active energy according to IEC 62053-22 and Class 2 for reactive energy according to IEC 62053-23.
Can the meter be used for demand metering?
Yes, the meter has the capability for demand metering, providing present and maximum values for active, apparent, and reactive power, as well as current. It also features demand calculation modes such as block, sliding, and input synchronisation mode.
What are the power supply requirements for the meter?
The meter requires a supply voltage ranging from 115 to 415 V AC at 45 to 67 Hz or 350 to 450 Hz, or 125 to 250 V DC, with a power consumption of 15 VA.
Does the meter have any environmental certifications?
The meter is a Green Premium product, which indicates compliance with the latest environmental standards and regulations.
What are the installation requirements for the meter?
The meter is designed for flush-mounted installation on a panel and is suitable for indoor use. It has an overvoltage category of III and an IP degree of protection of IP52 for the front face and IP30 for the back.
