QED AP4Plus Hydrogen Sulfide (H2S) The Gas-Explorer™ natural gas and

The Gas-Explorer™ natural gas and combined natural gas

Simply place the monitor in a cradle (with the external filter on

A hydrocarbon "˜kicker' and advanced optical design combine to prevent inaccuracies due to interferents

which are compatible with the GX-3R

QED AP4Plus Hydrogen Sulfide (H2S) The Gas-Explorer™ natural gas andEasier to Disassemble and Clean The AP4+ was made easier to clean by using 3 bolts to attach the pump inlet and open up the pump. This is easier than having to rotate the inlet multiple turns to unthread it from the center tube inside the pump, especially under field conditions of silt, deposits and coatings. Removing the inlet is also aided by the new, precision ID pump casing, ensuring a more controlled fit. The new pump casing's smoother internal