Nice small display, mounts easily, I added it to a 12V power supply I had that had no meters. Accuaracy is very good after trim pots adjusted. Someone else claimed they couldn't mount it. This is true if you try and mount it with the pcb installed. Removing the pcb allows the bezel tabs to flex. Mount the bezel then re-install the board. Very easy. ... Read more
Neat, well made units. I bought two for use in a car with two battery systems. Good clear displays although possibly too bright for use on a car dashboard without some kind of attenuation. (Sticky tape usually works well to tone down bright displays.) I only tested them at around 12v but they seem quite accurate. As another user pointed out, the meters ... Read more
Very good add-on which allows control of your electrical system and therefore reduces the possibility of getting stuck on the road. Will efficiently indicate the battery condition and the alternator function. Also will detect unexpected discharges. Would appreciate a installation diagram. Unfortunately there is no instruction included in the shippment.... Read more
Compact, easy to install, pretty precise measurement of current and voltage (also can be re-calibrated). Correct shunt was shipped, so I did not face 100 A/100 mv shunt problem Shunt could be smaller, that limits usage abilities, but it's OK for 50 Amps. Some people may have face problems mounting it on device. +Will have to order extra connectors for ... Read more
Voltmeter and Ammeter are very good calibrated. I tested it with my multimeter and it was fine 0.1 accuracy. Scheme is not correct. For real accuracy connector with a black and red wire must be connected to another power supply 0-30VDC. I use battery Ni-Cd 10000mAh. It is not possible to use it on same power supply when messuring volts and ammps Power ... Read more
The voltmeter is very precise measuring with a multimeter, gave a difference of only 0.5V, not counting that has a refresh rate very good, as quick as one multimeter with LCD.
The ammeter works well, has to be the highlight in beautiful Azul, which in my opinion is perfect for differentiating the voltage rating. The shunt 50A, had no problems for me,... Read more
The display colors give a good indication to identify voltage and current. You cannot mount it in a panel because the mounting clips cannot bend in. You cannot measure current because the shipped shunt is wrong. My unit was shipped with a 100A/100mV one. There is no way this thing is surviving 100 Vdc for longer periods of time. The voltage is correct,... Read more
Nice size for my EV, I have a couple of Peugeot 106 electric vehicles and will be using these to get more information of the status of the batteries and therefore be able to judge how far can I go. None Sensing voltage should be easy and I assume I'll need to build a prescaling circuit or a divider for the 128v sense.
sensing current might be a bit ... Read more
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