*DISPLAY 1C/2C SELECTABLE OR DISPLAY OFF*HI, LO LIMIT SET IS AVAILBLE*SPEC OVER, 2 COLOUR LED TURN RED & BUZZER ALARM*TEST METHOD: DC 5V, 1A VOLTAGE DROP, 4 WIRE FULL METHOD*TEST CIRCUIT: 2 CIRCUITS 2 POLEES*TEST RANGE:0-99m¥Ø(2 1/2 DIGIT)*ACCURACY:WITHIN 3/4 0.5%