Refoss Refoss Open API Smart Energy Monitor (EM16P): Refoss EM16P, the main image of Refoss's own store listing "Refoss Open API Smart Energy Monitor, EM16P", which sells this one model (SKU EM16P-US-Refoss). The monitor with its set of current clamps beside a phone showing the Refoss app; Refoss shows no plain product photo of it.

1 photo · Image from refoss.net

Photo sources

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

Image source: Refoss EM16P, the main image of Refoss's own store listing "Refoss Open API Smart Energy Monitor, EM16P", which sells this one model (SKU EM16P-US-Refoss). The monitor with its set of current clamps beside a phone showing the Refoss app; Refoss shows no plain product photo of it.

Refoss Refoss Open API Smart Energy Monitor (EM16P)

Name: Refoss Refoss Open API Smart Energy Monitor (EM16P)
Brand: Refoss
SKU: EM16P

By RefossSKU EM16P

Energy monitors

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Device typeNot yet documented Max switched load (A)Not statedMax switched load (W)Not statedMeasurement channels18 circuits Current sensorsNot stated Current ratingNot stated

Key specs

Units

SKU: EM16P
Official product page
Sources
Printed as "Refoss Open API Smart Energy Monitor, EM16P".
Official product page: Refoss product page: Refoss Open API Smart Energy Monitor (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: product title
Documented
Accuracy: 2 %
Official product page
Sources
Printed as "Delivers high measurement accuracy with an error margin within ±2%.".
Official product page: Refoss product page: Refoss Open API Smart Energy Monitor (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: page description
Documented
Communications: local Web; Refoss Open API; MQTT
Official product page
Sources
Printed as "Local Web access is supported, along with Refoss Open API and MQTT".
Official product page: Refoss product page: Refoss Open API Smart Energy Monitor (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: Product page and documents as quoted
Documented
Certifications (as printed): ETL; UL 61010 testing standard
Official product page
Sources
Printed as "ETL certified and compliant with the UL 61010 testing standard.".
Official product page: Refoss product page: Refoss Open API Smart Energy Monitor (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: Product page and documents as quoted
Documented
Measurement channels: 18 circuits
Official product page
Sources
Printed as "Supports monitoring of up to 18 circuits".
Official product page: Refoss product page: Refoss Open API Smart Energy Monitor (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: Product page and documents as quoted
Documented

All specs4

Accuracy: 2 %
Official product page
Sources
Printed as "Delivers high measurement accuracy with an error margin within ±2%.".
Official product page: Refoss product page: Refoss Open API Smart Energy Monitor (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: page description
Documented
Communications: local Web; Refoss Open API; MQTT
Official product page
Sources
Printed as "Local Web access is supported, along with Refoss Open API and MQTT".
Official product page: Refoss product page: Refoss Open API Smart Energy Monitor (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: Product page and documents as quoted
Documented
Certifications (as printed): ETL; UL 61010 testing standard
Official product page
Sources
Printed as "ETL certified and compliant with the UL 61010 testing standard.".
Official product page: Refoss product page: Refoss Open API Smart Energy Monitor (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: Product page and documents as quoted
Documented
Measurement channels: 18 circuits
Official product page
Sources
Printed as "Supports monitoring of up to 18 circuits".
Official product page: Refoss product page: Refoss Open API Smart Energy Monitor (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: Product page and documents as quoted
Documented

Published claims and calculations, not independent test results.

Documents

1 on file

WEB
Refoss product page: Refoss Open API Smart Energy Monitor (captured October 12, 2026)OfficialRefossOfficial 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
Refoss's own product page, captured October 12, 2026 with the paced research fetcher. Manufacturer statements, not independent tests.
Open