Turbidity Monitors & Suspended Solids Instrumentation

Company Background

D & A Instrument Company was based at 40-A Seton Road, Port Townsend, WA 98368, with John Downing as President. The original site was built circa 1999. Campbell Scientific, Inc. later purchased D & A Instruments; contact for the product line moved to Campbell Scientific's Logan, Utah offices, with Boyd Bringhurst serving as Product Manager.

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