manometer, standard manometer, differential manometer, digital manometer Manometer SR8290Features:1. Large LCD backlit dual display2. Data Retention3. Max / minimum / average, and with a relative time4. Optional USB Software5. Zeroing, offset, and data compensation6. Low battery display and automatic shutdown7. Data record8. Error codeSpecifications:Accuracy:±0.3% FSO (25 º C)Repeatability:±0.2% ...