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If you need measure brix , baume or water on honey you need refractometer with the correct scale.In this article you will learn the pros and cons of how it is used and where to buy it. Continue reading
Category Archives: Measurement
220V 2CH remote relay switch 220V Review and GUIDE
In this post I describe a two-channel remote relay switch with power source 220V. Now read my review and complete instructions how to connect and set this relay module.
Digital LED RPM speedometer tachometer with Hall senzor review and wiring diagram
Good day here is my complete review , with schematic how to connect Hall proximity sensor to device CF5135B. I buy 3 pieces for start and here is my experience.In my review you see pros and cons, detailed instructions how to plug and set this device with technical parameters.
STC-2000 Temperature controller review and manual.
If you plan to buy microcomputer temperature controller with alarm model STC-2000 is good solution,in this review i show his proos and cons ..You can download the complete setup manual with wirring.
Keweisi 3in1 USB voltage current capacity meter
A useful USB analyzer for voltage,current and capacity is very useful for detecting weak batteries in mobile phones..Here you will find my experience where to buy it and how to measure it. Continue reading
STC 1000 temperature controller with 2x relay for heating- cooling
In my review I will describe my 2 year experience with the STC 1000 temperature cotroller. In this article, you can read the pros and cons of the product, manual and wirring guide how to set it up and where to buy it. Continue reading
12V DC LED digital thermometer with alarm and probe -60C +120C
If you want to buy an accurate thermometer with a sound alarm ,check out the BT305 model.Here are the experiences and all the necessary technical data. Continue reading
EXCEL XL830L Digital Multimeter two year experiences
In the article I describe a XL830L good multimeter that served me 2years, I also have experience selling this device – I sold it about 65 pieces. Continue reading
Temperature controller MH1210W ,Review and Complete manual guide
In my review I will describe my 3 year experience with the W1210W thermostat from Shenzenn Meihang (MH). In this article, you can read the pros and cons of the product, how to set it up and where to buy it. Continue reading
LED Voltmeter with battery status indicator review and manual
If you need a voltmeter to the battery indicator, this product is really good piece.In the following lines you read the pros and cons and how to engage manual and programming this device. Continue reading