A06_SPECIFICATIONS-Salient_Characteristics.pdf

Salient Characteristics PR #00400_______

Non-Corrosive Gas Bubble Orifice Chambers

This equipment will be used to as part of a gas bubbler system to collect water level information at remote data collection gaging stations located near rivers and streams all across the US.

Salient Features for Gas Bubble Orifice Chambers:

Shall be compatible for use with USGS gas bubbler systems Shall support operation with bubble rates of at least 10 bubbles per minute Shall include a stainless steel union fitting for connection to a standard 2-inch pipe thread The union fitting shall be adjustable and allow adjustments up to at least 30 degrees from the horizontal Shall include a ¼ inch NPT brass fitting for connection to USGS 3/8-inch outside diameter polyethylene tubing Shall include provisions (or suitable materials) to prevent growth of aquatic organisms on the unit

Packaging and Marking

Each orifice chamber shall be individually boxed in one box with sufficient packing material to protect the unit from multiple shipments. The vendor shall affix the Government supplied bar code labels to each box. Government bar code labels will be supplied following contract award.

Hydrological Services P/N: GC01-P or equivalent.