The Series 150 Portable H2S Analyzer Monitor is a completely portable gas analyzer. The analyzer features a cost-effective continuous analysis method for process control, air quality, laboratory, atmospheric monitoring and product quality purposes. In addition, the gas analyzer is accurate, dependable, and low maintenance. Maximum versatility is offered with its compact, lightweight, and wide range ability. The analyzer includes a rechargeable battery pack for completely portable operation in the field. An optional internal sample pump is available if sampling of the atmospheric air or similar is required.