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The YSI® ECOSENSE® ORP15A pen-style meter takes absolute and relative ORP readings from -1,100 to +1,100 mV with this affordable instrument. Calibrate to an ORP standard and use the Zobell ORP calibration solution (sold separately) to recalibrate at any time. Use the “hold” feature to lock readings on-screen. Easy-to-understand menus. Uses GAP-76 batteries (included). One-year instrument warranty, six-month electrode warranty. Weighs 0.25 lb.
- 50-set memory (absolute/relative mV, temperature and a date and time stamp)
- It has replaceable electrodes, automatic temperature compensation and auto shut-off
- IP67 housing
- Measures -10ºC to 100ºC (14 to 212ºF)
- >200 hour battery life with low battery indicator
Pen is not waterproof nor water-resistant