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Due to the heavy typhoon attacked to Japan on Sep/4/2018,
Items will be shipped from Narita International Airport(NRT) or Chubu Centrair International Airport(NGO),
which normally should have been shipped from Kansai International Airport(KIX).
It may cause delay on shipment. Sorry to have kept you waiting and thank you very much for your understandings.

Power Saving Eco Checker

3.83 (6)
This product is manufactured in Japanese standards. Please check the specification before you order.
Retention Period (years)
(Measured data) 1
Rated Frequency (Hz)
(Display) +/-5% KWh, (power measurement) +/-5% W
Rated Voltage (V)
Power Consumption (W)
1 or less
Weight (g)
About 98
Measuring Range
(Total call cost) 0.00 9999:59 hours - - 9999.99 (£ integral power consumption) 1500W 0.00 - - (active power) 5 (integration time) 00:00 9999.99KWh
Dimension (mm)
...see all>
Product Options
Ship pack of Mfr.# Item.# Sales Price Availability Qty.
Ship pack of Mfr.# Item.# Sales Price Availability Qty.
1PC 1 ET30D 44200886 -
Customer Reviews
5 star 3
4 star 1
3 star 0
2 star 2
1 star 0
Review Rating: 3.83
6 Customer Reviews
The reviews are automatic translation.
Power consumption monitoring
From Japan
On 2016-05-29 02:06:34
The price is cheap and good. However, there are slight lags in the numerical values ​​displayed, making it difficult to grasp. It is troublesome because it is 0W if it is less than 5W even if several charges etc are connected though it knows that the numerical value is not displayed if it is not 5W or more because it was written also in the description of item because it was written.
This review is about item#44200886.
Measurement of electric appliances
From Japan
On 2015-11-02 17:36:18
Very easy to use, convenient.
This review is about item#44200886.
For solar power generation system
From Japan
On 2015-07-19 21:26:09
When constructing a photovoltaic power generation system, we measure the approximate power usage and select the equipment specifications, but this product is easy to measure by using this product and it is very useful.
This review is about item#44200886.
Simple check of consumer electricity consumption
From Japan
On 2014-11-13 17:52:01
The display is difficult to see. Especially the mode display of kanji is too small.
This review is about item#44200886.
Survey on power consumption in households
From Japan
On 2013-07-10 21:35:39
Surveyed electricity consumption of refrigerators and TVs. Since I bought a refrigerator recently, I investigate how power consumption is. Since I am using 160 W in the middle of the night when thinking that it is smart, I investigate for the time being that it is in vain that I replaced it. If you have one, you can try various things so we encourage you to buy one at home.
This review is about item#44200886.
Power consumption confirmation for each electric appliance.
From Japan
On 2013-05-29 13:43:35
Both family and friends, more concerned about eco, the motivation for energy saving is appreciated!
This review is about item#44200886.

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