OpenEnergyMonitor emonPi2
Manufacturer documented GLOBAL
Identity
| category | smart_meters |
| manufacturer | OpenEnergyMonitor |
| model | emonPi2 |
| product_family | AVR-DB hardware family (emonTx4, emonPi2, emonTx5) |
| product_status | active |
| region | GLOBAL |
Electrical
| accuracy_class | Class 1 (IEC 62053-21) / Class B (EN 50470-3) |
| accuracy_combined_tolerance_pct |
±1.2% %
emonPi2 — docs/overview.md — line 44
|
| adc_resolution_bits |
12 bit
emonPi2 — docs/overview.md — line 30
|
| analog_input_range_v |
0 - 1.024V V
emonPi2 — docs/other_sensors.md — line 94
|
| bidirectional | True |
| bidirectional_metering | True |
| buttons |
button above the display
emonPi2 — docs/install.md — line 110
|
| cpu |
AVR128DB48
emonPi2 — README.md — line 12
|
| ct_connector |
3.5mm jack plugs
emonPi2 — docs/install.md — line 24
|
| ct_input_count |
6
emonPi2 — README.md — line 9
|
| ct_ratings_stocked |
20A, 50A, 100A & 200A A
emonPi2 — docs/install.md — line 71
|
| current_only_mode |
True
emonPi2 — docs/firmware.md — line 51
|
| display |
I2C 128x64 SSD1306 Display
emonPi2 — README.md — line 16
|
| energy_persisted_on_reboot |
True
emonPi2 — docs/overview.md — line 18
|
| firmware_options |
5
emonPi2 — docs/firmware.md — line 9
|
| host_computer |
RaspberryPi
emonPi2 — README.md — line 3
|
| indoor_outdoor |
Indoor use only
emonPi2 — docs/install.md — line 40
|
| line_frequency_hz |
50 or 60 Hz
emonPi2 — docs/configuration.md — line 35
|
| local_data_logging |
full local data logging and visualisation capability
emonPi2 — README.md — line 3
|
| max_ct_channels_with_expander |
12
emonPi2 — docs/firmware.md — line 15
|
| max_current_a | 65.0 |
| measurement_type | Current Transformer (CT) |
| phase_count | 1 |
| phase_type |
Both single and 3 phase support
emonPi2 — docs/overview.md — line 19
|
| power_supply |
RJ45 cable (ethernet sized connector with 8 pins) from the emonVs voltage sensor and power supply
emonPi2 — docs/install.md — line 98
|
| radio_base_station |
True
emonPi2 — README.md — line 3
|
| radio_frequency_mhz |
433 MHz
emonPi2 — docs/overview.md — line 22
|
| radio_module |
RFM69CW
emonPi2 — README.md — line 14
|
| rtc |
RTC I2C Breakout
emonPi2 — README.md — line 17
|
| sampling |
continuous sampling
emonPi2 — docs/overview.md — line 17
|
| supported_ct_types |
333mV voltage output CT sensors
emonPi2 — docs/overview.md — line 15
|
| terminal_block_inputs |
3
emonPi2 — docs/overview.md — line 20
|
| three_phase_system_type |
3-phase, 4-wire systems only
emonPi2 — docs/firmware.md — line 47
|
| usb |
USB-C
emonPi2 — README.md — line 15
|
| usb_uart_converter |
CP2102
emonPi2 — docs/overview.md — line 32
|
| voltage_input |
RJ45: 1-3 phase voltage input
emonPi2 — README.md — line 10
|
| voltage_rating_v | 230.0 |
| wifi |
True
emonPi2 — docs/install.md — line 135
|
| wifi_ap_ip |
192.168.42.1
emonPi2 — docs/install.md — line 122
|
Physical / mechanical
| enclosure_material |
aluminium
emonPi2 — docs/overview.md — line 24
|
Installation
| mounting |
Wall-mount
emonPi2 — docs/overview.md — line 24
|
Environment
| operating_temperature_max_c | 60.0 |
| operating_temperature_min_c | -25.0 |
| temperature_sensor_type |
DS18B20
emonPi2 — docs/other_sensors.md — line 9
|
| temperature_sensors_tested |
up to 6 temperature sensors
emonPi2 — docs/other_sensors.md — line 14
|
Interfaces & connectors
| communication | RS485 Modbus RTU |
| device_type | 6-channel CT energy monitor with integrated Raspberry Pi base-station |
| ethernet |
RaspberryPi 4 variant
emonPi2 — docs/install.md — line 30
|
| local_web_ui |
EmonCMS
emonPi2 — docs/install.md — line 165
|
Documents
technical-manual
emonPi2 Install Guide
technical-manual
emonPi2 overview / technical spec
technical-manual
emonPi2 — README.md
technical-manual
emonPi2 — docs/configuration.md
technical-manual
emonPi2 — docs/firmware.md
technical-manual
emonPi2 — docs/install.md
technical-manual
emonPi2 — docs/other_sensors.md
technical-manual
emonPi2 — docs/overview.md