ANENG ST194 Digital Multimeter Clamp Meter incubator VCC_MCU when the SIM900A module

VCC_MCU when the SIM900A module and 5V TTL level communication

Op Amp: 3*741C op-amp

Packed by color box

Band GSM 850/EGSM 900/DCS 1800/PCS 1900 MHz

An increase in the detector's sensitivity and depth range can be achieved by turning the sensitivity adjuster until the red LED lights up and a steady volume setting is heard

ANENG ST194 Digital Multimeter Clamp Meter incubator VCC_MCU when the SIM900A moduleST194 6000 Counts LCD Digital Current Clamp Meter DC AC Ammeter Voltage Voltmeter Ohmmeters Multimeter Resistance Ohm Tester Electrician Tool Feature: The meter is a portable and professional measuring instrument with an easy for users to read LCD digital display and a backlight. It is convenient for one handed operation, measuring with overload protection and low battery indication. Whether it is used by professionals, factories, schools, enthusiasts