ATM90 Power Energy Monitor Boards Comparison
Parametrics | GTEM | IPEM | IPEM | |
---|---|---|---|---|
Active Energy Accy (%) | 0.1 | 0.1 | 0.1 | |
ATM ADC Channels | 3 | 6 | 7 | |
ATM ADC Resolution (bits) | 16 | 16 | 16 | |
Board PSU Operating Voltage Range (AC RMS) | 5 to 20 V | 5 to 20 V | 5 to 20 V | |
Crystal Frequency (ATM) | 8.192 MHz | 16.384 MHz | 16.384 MHz | |
Current Monitoring Channels | 1 Phase | 3 x Phases ATM & 1 x ESP32 | 3 x Phases ATM & 1 x ESP / ATM | |
Current Range (RMS) | 0 to 65.535 A | 0 to 65.535 A | 0 to 65.535 A | |
D1 Mini Compatible USB | Yes | Yes | Yes | |
Data Dumping over DMA (SPI-Master) | - | - | Yes | |
Direct Memory Access (DMA) | - | - | Yes | |
Discrete Fourier Transform (DFT) Function | - | - | Yes | |
Dynamic Range | 5000:1 | 6000:1 | 6000:1 | |
EEPROM | 24C64 | 24C64 | 24C64 | |
Energy Metering Analog Front-End Channels | 3 | 6 | 7 | |
Enhanced Poly-Phase High-Performance | - | Yes | Yes | |
ESP32 ATM90 Default Interface | SPI | SPI | SPI | |
ESP32 BT Frequency Range | 2402 MHz to 2480 MHz | 2402 MHz to 2480 MHz | 2402 MHz to 2480 MHz | |
ESP32 External UART2 Interface | - | Yes | Yes | |
ESP32 WLAN Frequency Range | 2412 MHz to 2462 MHz | 2412 MHz to 2462 MHz | 2412 MHz to 2462 MHz | |
Frequency Detection Range | 45 to 65 Hz | 45 to 65 Hz | 45 to 65 Hz | |
Increased Functionality | - | - | Yes | |
LED/GPO Active | Yes | Yes | Yes | |
LED/GPO Harmonic | - | Yes | Yes | |
LED/GPO ReActive | Yes | Yes | Yes | |
LED/GPO Fundamental | - | Yes | Yes | |
Low Temperature Drift | - | Yes | Yes | |
Mean Power Monitoring | - | Yes | Yes | |
Meter Type | Single Phase | Single, Split or Three Phase (3P3W, Y or Δ) | Single, Split or Three Phase (3P3W, Y or Δ) | |
OLED Display Port | Yes | Yes | Yes | |
Operating Ambient Temperature Range | –40°C to +85°C | –40°C to +85°C | –40°C to +85°C | |
Operating Ambient Temperature Range 24C64 | –40°C to +85°C | –40°C to +85°C | –40°C to +85°C | |
Operating Ambient Temperature Range ESP32 | –40°C to +125°C | –40°C to +125°C | –40°C to +125°C | |
Operating Ambient Temperature Range SMPS | –40°C to +85°C | –40°C to +85°C | –40°C to +85°C | |
Operating Ambient Temperature Range UART | –40°C to +85°C | –40°C to +85°C | –40°C to +85°C | |
Operating Voltage - Board AC RMS | 8 to 12V | 8 to 12V | 8 to 12V | |
Parameter Diagnosis Function | - | - | Yes | |
Power Factor Range | -1.00 to +1.00 | -1.00 to +1.00 | -1.00 to +1.00 | |
Reactive Energy Accy (%) | 0.2 | 0.2 | 0.2 | |
Sag Detection | Yes | Yes | Yes | |
Single Point Calibration | Yes | N/A | N/A | |
Temp Coefficient Type (ppm/degC) | 15 | 6 | 6 | |
Total Harmonic Distortion (THD) Function Current | - | - | Yes | |
Total Harmonic Distortion (THD) Function Voltage | - | - | Yes | |
UART Port | Yes | - | - | |
USB Port (Flashing/Logging) | Yes | Yes | Yes | |
Voltage Monitoring Channels | 1 Line | 1 , Split phase or 3 Line | 1 , Split phase or 3 Line | |
Voltage Range (RMS) | 0 to 655.35 V | 0 to 655.35 V | 0 to 655.35 V | |
Voltage Sensor Inputs ATM Maximum (AC RMS) | 20 V | 20 V | 20 V |