ORPscan10 pocket ORP tester is used to monitors chemical reactions, quantify ion activity, or determine the oxidizing or reducing properties of samples. The meter is widely used in pharmaceutical research, aquaculture and food processing industry, etc. Features: Absolute or Relative mV measurements provides accurate readings. Single point offset calibration allows you adjust displayed value to a     known standard. Hold function freezes current displayed value for easy viewing and     recording. Auto-power off feature helps you effectively conserve battery life. Setup menu lets user customizes automatic or manual hold function,     auto-power off feature to meet your personal preferences. Reset feature allows user to resume all of the default settings. Replaceable electrode reduces maintenance and replacement costs. Waterproof feature to ensures complete protection in harsh     environments.

Bante220 is an economical portable pH/mV meter designed for outdoor applications, which is equipped with a large LCD and a standard BNC connecter. The meter is capable of connecting the various pH electrodes to measure the pH value of samples. Features: 2 points push-button calibration with auto-buffer recognition. Automatically calculates and shows electrode slope after calibration. Selectable temperature unit between degrees Celsiusanddegrees     Fahrenheit. Automatic Temperature Compensationensures highly accurate     measurement over the entire pH range. Hold function freezes the current displayed value for easy viewing. Help message as a operational guide that can help you quickly use     the meter. Setup menu allows user to customize temperature unit, date and time     for measurement requirements. Expanded memory stores and recalls up to 50 readings. Built-in real-time clock stamps stored data to meet GLP standards. Stored data can be transferred into computer via USB communication     interface.