gas analyzer / hydrogen sulfide / UV

The WR-Model 881-NSL is a sulfur pit analyzer from Ametek that is designed to measure H2S in the vapor space above the sulfur pit. It provides minimized cost savings with the use of an analyzer to regulate the H2S level giving an adequate safety margin.

This device has a direct poetess mounting design that allows this device to be directly installed on the sulfur pit lit. The sample gas is put directly into the analyzer and returned to the process through the same sample tap. The 881-NSL also combines a long lamp life with features designed to reduce maintenance and provide an enhanced reliability.

It is equipped with anti-clogging blowback feature at initiates air blowback to clear the sample system in any out-of-range condition. It also features an heart air aspirated sample system that removes the need of moving parts and increased the system's reliability and stability.