EX900,EXTECH INSTRUMENTS,EXSTIK(R) 4-IN-1 WATER QUALITY KIT (PH GEL FILLED ORP CHLORINE TEMPERATURE)
EX900 BY EXTECH INSTRUMENTS IS A DIGITAL MULTIMETER FEATURING AUTO-RANGING TRUE RMS MEASUREMENT 600V AC/DC VOLTAGE 10A CURRENT RESISTANCE CONTINUITY DIODE TESTING AND A LARGE BACKLIT DISPLAY.