A multi-channel pressure measuring device includes a plurality of sample conduits and a plurality of sample inlets. Each sample inlet is configured to receive a respective sample conduit. The sample conduit is configured to channel a sample fluid and an incidental fluid through a respective sample inlet. The multi-channel pressure measuring device also includes a sample block including a plurality of collection wells coupled to the sample inlets. Each collection well includes a diameter larger than a diameter of a respective sample inlet. The sample block is fabricated from at least one of a transparent material and a translucent material. The multi-channel pressure measuring device further includes a plurality of filter indicator elements. Each filter indicator element is positioned within a respective collection well. Each filter indicator element is configured to retain the incidental fluid therewithin and to indicate a presence of the retained incidental fluid.