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Weiss Instruments DG25P-030-4L is a diaphragm pressure gauge with a 2.5 inch dial calibrated for 0 to 30 inches of water column. The gauge uses a diaphragm sensing element for sensitive low-pressure measurement, furnished in a black drawn steel case with an acrylic window and a 1/4" NPT lower connection. It is specified for use at pressures below 15 psi and is suitable for HVAC and pneumatic low-pressure monitoring.
2.5" diaphragm gauge, 0-30" H2O range, 1/4" NPT lower, 1.5% FS accuracy
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