YSI Pro Series DO Sensors Sensor:2002 Galvanic DO Sensor 5V AA batteries (4) /

5V AA batteries (4) / approximately 360 hours of continuous use without backlight (50 hours with backlight) Environment 0 to 50°C (32 to 122°F)

01 NTU or ±1% of measurement

Easily replaced 9 volt battery

2 pcs (3200043587) — replaceable junction caps

Complete your setup with:

YSI Pro Series DO Sensors Sensor:2002 Galvanic DO Sensor 5V AA batteries (4) /User replaceable dissolved oxygen sensors for the YSI Pro Series and ProQuatro handhelds. 2002 Galvanic DO Sensor no warm up required, start sampling immediately 2003 Polarographic DO Sensor longer sensor life, lower overall cost of ownership (requires brief warm up) 2003B Polarographic DO Sensor with 2. 0 mil PE Blue membrane kit Compatible with: ProQuatro, Pro20, Pro20i, Pro1020, Pro2030 instruments.