$200 - $300, SX700 Series Portable Meters, Apera Instruments

AI463 SX721 Handheld pH/ORP Meter Kit by Apera

Apera SX721 is designed for lab-grade measurement of pH and ORP, suitable for general water solutions' applications such as water treatment, groundwater, surface water, hydroponics, environmental monitoring, beverage making, etc.

Basic Features

• Intelligent functions – auto. calibration, auto. temperature compensation, self-diagnosis, data logging, auto. power off, and more.
• Digital filter technology – enhance the meter's response time and measurement accuracy
• Automatic electrode recognition – the meter automatically switches to the right parameter mode according to the connected electrode
• Data logging – 400 sets of data storage and recall
• Built tough – IP57 water-resistant structure, ideal for use in harsh environment

pH Features

• Built with lithium glass membrane and fiber ceramic junction, the 201T-S pH/temp. electrode provides the foundation for quick response and accurate pH readings.
• 1 to 3 points of quick auto. calibration, recognizing up to 13 kinds of pH buffers.
• The self-diagnosis function helps you understand common problems and how to fix them.
• With the 8-pin to BNC converter (sold separately), a variety of LabSen pH electrodes can be connected to meet the testing needs of specialized applications.

ORP Features

• Equipped with 301Pt-S Platinum ORP electrode featured with stable potential and fast response
• No need for ORP calibration
• The platinum sensor is easy to clean and maintain
• Comes with 222mv ORP standard solution for checking accuracy and sensor conditioning