ICL7107 Voltmeter DIY Electronic Production Kit DC5V 35mA Voltage Meter Digital Voltmeter

Description Kit Name ICL7107 Voltmeter DIY KitPCB size 70 6 39mmHead mounting opening size 77 40mmDisplay window size 51 24mmSoldering manual Click here Electrical parameters Working voltage DC5VWorking current 35mAMeasurement accuracy It can be calibrated to get higher precision and no parameters at present Measuring range divided into 3 files 0 2V file Measuring small voltage0 20V file measuring low voltage0 200V measuring higher voltage Range selection method solder joints with gear selection on the board When the two points of the 0 2V file are soldered together and the resistance of the RX soldering resistor is 1K the measurement range is 0 2V When soldering 2 points of 0 20V file together the RX soldering resistance is 100K the measuring range is 0 20V When soldering 2 points of 0 200V file together the RX soldering resistance is 1M the measurement range is 0 200V Overrange display first position shows 1 or 1In the kit the RX is available in 100K and 1M and the buyer selects the soldering according to his measurement range This voltmeter can also be changed into an ammeter The method of changing the current meter the PCB reserve a 2W 0 1 ohm high precision resistance soldering position on the board solder this resistance and then RX does not need to be soldered This is a 0 2A ammeter Display color redTools needed to make t