Professional water proof pH / mV meter with backlit graphic display and menu control. With CMC function for monitoring of the correct measuring range. Additionally suited for automated data logging in the field. Interval controlled logger-function for up to 5000 records. Waterproof Mini-USB interface. Special sleep mode saves power when performing long term monitoring. With one battery set up to 1000 h continuous operation without and up to 150 h with illumination possible. Items supplied in set: Pocket pH meter 3310 with pH-sensor SenTix®, buffer STP 4 and STP 7, stand, beaker, short instruction manual, CD-ROM, batteries, driver software for USB, cable in field case. Professional water proof pH / mV meter with backlit graphic display and menu control. With CMC function for monitoring of the correct measuring range. Additionally suited for automated data logging in the field. Interval controlled logger-function for up to 5000 records. Waterproof Mini-USB interface. Special sleep mode saves power when performing long term monitoring. With one battery set up to 1000 h continuous operation without and up to 150 h with illumination possible. Items supplied in set: Pocket pH meter 3310 with pH-sensor SenTix®, buffer STP 4 and STP 7, stand, beaker, short instruction manual, CD-ROM, batteries, driver software for USB, cable in field case.