Frequency Indicator LED Pilot Light AD22 frequency meter 22mm 25mm 50Hz 60Hz 90Hz Meter LED Indicator Light with Frequency Meter

Function:

• Mini Voltmeter Ammeter indicator light, signal lights
• only two lines of measurement and power supply, three digital display AC and DC voltage,
• wide measurement voltage AC 50 ~ 450V (red light), DC 0 ~ 60V (green light);
• increase the exchange (red light) and DC (green light) ammeter, four-wire operation;
• increase the symbol display indicator V / dc, V / ac, A / dc, A / ac;
• ammeter can be used as a load disconnection instructions with more ingenious;

Feature:

• Size: Φ22 / 25mm
• Shape: panel round hole installation, short body compact
• Using Features: increase the circuit board three anti-technology, moisture, dust, anti-corrosion.
• Advantages: mass production of the patch process, cost-effective, low power consumption, wide range of applications;
• set anti-touch terminal security cover IP20