Stainless Steel Single Phase Logic Gate Truth Tables Verifier

We are a well known manufacturer and exporter of Verification of Truth Tables of Logic Gates using Nand Gate. These instruments are used to verify the truth table of AND gate, OR gate, NAND gate, NOR gate & NOT gate using NAND. Our instruments are offered with power supply 2 Red LED output indicators, circuit diagram printed for 4 'NAND', and gates & their respective IC's placed inside the instrument.