OpenEnergyMonitor emonPi1 (emonPi) (emonPi): OpenEnergyMonitor's product image of the emonPi1 (emonPi) (emonPi) on its own product page.

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Manufacturer and seller images. Configuration examples may include additional equipment.

Image source: OpenEnergyMonitor's product image of the emonPi1 (emonPi) (emonPi) on its own product page.

OpenEnergyMonitor emonPi1 (emonPi) (emonPi)

Name: OpenEnergyMonitor emonPi1 (emonPi) (emonPi)
Brand: OpenEnergyMonitor
SKU: emonPi

By OpenEnergyMonitorSKU emonPi

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Device typeNot yet documented Max switched load (A)Not statedMax switched load (W)Not statedMeasurement channels2 Current sensors100 A Current ratingNot stated

Key specs

Units

SKU: emonPi
Official product page
Sources
Printed as "emonPi Technical Overview".
Official product page: OpenEnergyMonitor product page: emonPi1 (emonPi) (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: docs page heading
Documented
Power input: 5V DC USB adapter; AC-AC adapter (9V AC) for voltage reference; 1.5W-2.5W RasPi2 / 2W-4W RasPi3
Official product page
Sources
Printed as "1x AC voltage measurement using plug-in AC-AC adapter for real power calculation alongside current measurement from CT sensors. Designed for use with a 9V AC ou"; "Power Consumption 1.5W-2.5W RasPi2 / 2W-4W RasPi3".
Official product page: OpenEnergyMonitor product page: emonPi1 (emonPi) (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: Product page and documents as quoted
Documented
Communications: Ethernet or WiFi; 433 MHz RFM69 radio receiver; True
Official product page
Sources
Printed as "Network connectivity via either Ethernet or WiFi."; "Network connectivity via either Ethernet or WiFi."; "Network connectivity via either Ethernet or WiFi.".
Official product page: OpenEnergyMonitor product page: emonPi1 (emonPi) (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: Product page and documents as quoted
Documented
Current sensors: 100 A
Official product page
Sources
Printed as "2x CT Sensor inputs for single-phase AC electricity monitoring designed for use with the 100A SCT-013-000 CT sensor".
Official product page: OpenEnergyMonitor product page: emonPi1 (emonPi) (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: Product page and documents as quoted
Documented
Measurement channels: 2
Official product page
Sources
Printed as "The emonPi can monitor two single-phase AC circuits using clip-on CT sensors.".
Official product page: OpenEnergyMonitor product page: emonPi1 (emonPi) (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: Product page and documents as quoted
Documented
Operating temperature: -25 to 80 °C-13 to 176 °F converted
Official product page
Sources
Printed as "Operating temperature -25 to +80 DegC".
Official product page: OpenEnergyMonitor product page: emonPi1 (emonPi) (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: docs emonPi Specification table
Documented

All specs5

Power input: 5V DC USB adapter; AC-AC adapter (9V AC) for voltage reference; 1.5W-2.5W RasPi2 / 2W-4W RasPi3
Official product page
Sources
Printed as "1x AC voltage measurement using plug-in AC-AC adapter for real power calculation alongside current measurement from CT sensors. Designed for use with a 9V AC ou"; "Power Consumption 1.5W-2.5W RasPi2 / 2W-4W RasPi3".
Official product page: OpenEnergyMonitor product page: emonPi1 (emonPi) (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: Product page and documents as quoted
Documented
Communications: Ethernet or WiFi; 433 MHz RFM69 radio receiver; True
Official product page
Sources
Printed as "Network connectivity via either Ethernet or WiFi."; "Network connectivity via either Ethernet or WiFi."; "Network connectivity via either Ethernet or WiFi.".
Official product page: OpenEnergyMonitor product page: emonPi1 (emonPi) (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: Product page and documents as quoted
Documented
Current sensors: 100 A
Official product page
Sources
Printed as "2x CT Sensor inputs for single-phase AC electricity monitoring designed for use with the 100A SCT-013-000 CT sensor".
Official product page: OpenEnergyMonitor product page: emonPi1 (emonPi) (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: Product page and documents as quoted
Documented
Measurement channels: 2
Official product page
Sources
Printed as "The emonPi can monitor two single-phase AC circuits using clip-on CT sensors.".
Official product page: OpenEnergyMonitor product page: emonPi1 (emonPi) (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: Product page and documents as quoted
Documented
Operating temperature: -25 to 80 °C-13 to 176 °F converted
Official product page
Sources
Printed as "Operating temperature -25 to +80 DegC".
Official product page: OpenEnergyMonitor product page: emonPi1 (emonPi) (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: docs emonPi Specification table
Documented

Published claims and calculations, not independent test results.

Documents

1 on file

WEB
OpenEnergyMonitor product page: emonPi1 (emonPi) (captured October 12, 2026)OfficialOpenEnergyMonitorOfficial product page
Source details
Revision
Not stated
Revision date
Not stated
Archived copy captured on 2026-10-12.
Location: Product page
Retrieved Oct 12, 2026
OpenEnergyMonitor's own product page, captured October 12, 2026 with the paced research fetcher. Manufacturer statements, not independent tests.
Open

Archive and older revisions1

Earlier revisions, archived captures and copies published by someone other than the manufacturer. Every one stays reachable.

WEB
OpenEnergyMonitor docs: System Overview (navigation lists Main System and Older Hardware)OfficialOpenEnergyMonitorOfficial product page
Source details
Revision
Not stated
Revision date
Not stated
Archived copy captured on 2026-10-12.
Location: Product page
Retrieved Oct 12, 2026
OpenEnergyMonitor's own product page, captured October 12, 2026 with the paced research fetcher. Manufacturer statements, not independent tests.
Open