Check the listing for details. Manometer Digital Manometer Gas Pressure Tester Professional 12 Selectable Un.... Condition: New. Listed at 58.88 USD. Brand New Manometer Digital Manometer Gas Pressure Tester Professional 12 Selectable Units Differential Manometer Gauge HVAC Air Pressure Meter with Large LCD Display Backlight, Data Record Funtion Manufacturer model: DP-103 High AccuracyMeasurement range: 2.000psi; Accuracy: 0.3%FSO (at 25C) ; Repeatability: 0.2% (Max 0.5%FSO); Linearity/Hysteresis: 0.29%FSO12 Selectable UnitsEasily toggle between Psi, kPa, Pa, Kgfcm2, ozin2, Bar, mbar, inHg, mmHg, inH2O, ftH2O and cmH2OData RecordThis Manometer would be record 99pcs data with time stamp, which help to easier to analyze the dataMulti-FunctionalMeasuring Differential pressure, Positive and Negative Pressure, Data Hold, MAX/MIN/Average, Large LCD backlight, Low battery Alarm, Auto Power Off FunctionsWide ApplicationsThis high-quality manometer is suitable for gas measurement systems, which measuring the air and ventilation system, calibrating and trouble shooting of gas pressure systems, HVAC, gas appliance repair and installation, laboratory testing, etc. Description Shipping and Handling Please allow 5-7 business days for the package to arrive, regardless of buyer location within the US. We will provide an online tracking number to you once the item has been shipped. It may take a few business days for our automated system to process the tracking number onto eBay. However, this will not affect the shipping times. Return Policy All our products are brand new and sealed. All items qualify for returns within 30 days of receipt. Feedback We take our reputation seriously. If you have any questions or concerns, please contact us and we will respond back to your message within 24 hours.