DROK® Micro Digital Amp Meter 0.56" Electric Ammeter DC 0-99.9A Amperage Panel Meter Green LED Display 12V Current Tester Ampere Gauge for Car Auto Automotive Motorcycle Require External Shunt

Parameters: cutting size: 45.5mm x 26.5mm dimensions: 48mm x 29mm x 21mm measuring range: DC 0-99.9a measurement accuracy: +/-(1 percent +2 digits) (measure 75mV) supply voltage: DC 4-30v display: three 0.56 inch LED digital tube display color: green refresh rate: about 500Ms/time operation temperature: -10 to 65 Celsius note: 1.Please note that this ammeter doesn't include current shunt but it must be used together with shunt 2.Please follow wiring instruction carefully, or the ammeter will burn out 3.Please note that the power supply terminal shares same ground wire with the tested terminal. Therefore, the tested terminal of ammeter must be connected between the negative pole of tested device and the negative pole of power supply for tested device 4.We suggest you to adopt isolated power supply for ammeter 5.Please connect the shunt before you connect the ammeter into circuit so as to prevent over-voltage from damaging the ammeter 6.Please note that this ammeter requires a 100a 75mV shunt package includes: 1x digital ammeter(without current shunt).