RE300 Extech Meter

Features: 

• Measures ORP/Redox from -999 to 999mV
• Automatic electronic self calibration
• Simulated analog bargraph displays change in ORP reading
• High resolution of 1mV
• Memory stores and recalls 15 readings and saves last calibrated value
• Data validation indicators show user the reading is stabilized
• Data Hold, Auto shut-off and low battery indication

Specifications:

• ORP (mV): -999 to 999mV
• Max Resolution: 1mV
• Basic Accuracy: ±4mV
• Memory: 15 readings
• Dimensions/ Weight: 1.4x6.8x1.6" (35.6x172.7x40.6mm)/ 3.8oz (110g)

The RE300 is an ORP meter from Extech.