A B B Instrumentation Ltd offers Colorimetric Ammonia Analyzer with Automatic Two -Point Calibration. A B B Instrumentation Ltd is an ISO 9001 company. A B B Instrumentation Ltd supplies various types of actuators, positioner, device managements, force managements system, flow measurement system etc. Colorimetric Ammonia Analyzer with Automatic Two-Point Calibration is ideal for use within the water industry, the low limit of detection and sensitivity makes it ideal for monitoring ammonia levels in raw waters from rivers for intake protection.