Pressure adapter. Range: 1 to 500 psi. Accuracy: +/- (1 percent of reading, + 0.3 psi). Adapter output: 1mVDC per 1 psi. 1/4" NPT Input connection. 78" Lead length. Dual banana plug output connection type. Compatible unit: Most TPI brand and any competitor DMM, clamp-on or oscilloscope having the capability of measuring up to 2000mV AC/DC (2V AC/DC), 10megaohm input impedance, and equipped with industry standard spaced input jacks 19mm on center.