Profile: Southland Sensing Ltd. is a manufacturer specializing in the design and development of analytical sensors and instrumentation. We offer a full range of stock products and also specializes in custom sensor, sample, packaging and electronic solutions. We are a process instrumentation and analytical technology company specializing in gas sensing and custom engineered systems. offers an extensive line of quality engineered precision electrochemical fuel cell oxygen sensors. These sensors are offered in a wide range of configurations with analysis ranges from 1 PPM up to 100% oxygen.