Triple “S” gauges are manufactured in accordance with ASME B40.100-1998 Standard for Pressure Gauges and Gauge attachments, which incorporate ASME B40.1-1998 and ASME B40.7-1998.

Triple “S” Low Pressure Diaphragm Gauges are:
*2½” diameter
*Easy read black on white face
*Units of “psi” appears on the face of the gauge
*Calibrated in increments of 1/10th of a pound
*Includes an effective stop for the advancing needle at the zero point
*Each gauge includes a calibration screw
*Diaphragm gauges are extremely sensitive and over pressurizing will cause damage not covered by the manufacturer’s warrantee.