... alarm number.3. Dc power supply, dc voltage/ammeter, logic level output and instructions, etcDc voltage: 0 ~ 15V adjustable output ... impedance for l0MΩ}, precision 0. Level 5, ammeter range 0 ~ 200mA, precision 0. Level 5; also offers a logic level output (the point ... start, the lock), logic level instructions, LED digital ...