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Category: Measurement

Digital DC Voltmeter 0-100V from china (schematic and diagrams)

March 6, 2014 Ivan 4 Comments

Aliexpress.com Voltmeter Ruideng store 4.00 Buy Now This is a voltmeter that I like to use. 3 usd news for…

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Posted in: Measurement

Ammeter schematic and diagram

February 23, 2014 Ivan Leave a comment

I buy digital Ammeter (ampermeter) from ebay and i cannot found schematic diagram for this .

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100W Adjustable water Heater for Aquarium (test)

February 6, 2014 Ivan Leave a comment

I do not have an aquarium but got my hands on the heater . Power is 100 watts and has…

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Posted in: Measurement

Thermometer in Car

February 2, 2014 Ivan Leave a comment

Thermometer in the car. Although it cost $3.40 usd not much but thermometer is not 100% ok , I ordered…

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Posted in: Measurement

Digital thermometer with probe

January 29, 2014 Ivan Leave a comment

The thermometer is built in a black box that can be installed in the panel . Can measure temperature from…

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Thermometer + Hygrometer with integrated sensors

January 28, 2014 Ivan Leave a comment

This type of hygrometer thermometer is useful for measuring the temperature and humidity at home.Temperature and humidity sensors are integrated…

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Voltmeter useful thing in Car

January 25, 2014 Ivan Leave a comment

Voltmeter in the car like the extended battery life that showed me that the battery in your car is already…

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Thermometer hygrometer with probe

January 24, 2014 Ivan 4 Comments

Digital Thermometer + Hydrometer is one device ,that combines measurement temperature and humidity.All results showing on his digital display.

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Posted in: Measurement

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