Manufacturer: Yokogawa Electric Corporation
Yokogawa Portable pH Meter PH91-21-E
Portable pH Meter PH91, Portable pH/ORP Meter PH92
- Both handy meter and sensors have IP67 protection
- Large backlit display - Stability check function supports your accurate measurement - Excellent fit in your hand and back stand for table use - Easy operation (Direct calibration switch etc.) - Build-in sensor holders add convenience for on-the-go use - Plastic sensor body avoids accidental cracking