Perfect-Prime AR1890 Professional Digital Air Pressure Meter & Man...

Features
-Gauge & differential pressure
-Measuring ranges ±13.79 kPa / ±2 psi / ±55.4 H2O
-11 selectable scales & units: inH2O, psi, bar, mbar, kPa, inHg, mmHg, ozin2, FtH2O, cmH2O, kgcm2
-High accuracy ±0.3% in full scale
-Large LCD with backlight
-Zero adjust & offset functions
-MAX/MIN/AVG values with relative time stamps
-Data Hold
-Error codes for out of range indication
-Low battery indication
-Auto power off (can be disabled)
-2 pairs of tubing included

Specifications
-Display: Dual LCD
-Accuracy: ±0.3% FSO (25°C)
-Repeatability: ±0.2% (Max ±0.5% FSO)
-Linearity/Hysteresis: ±0.29% FSO
-Maximum Pressure: 10psi
-Response Time: 0.5 second typical
-Low Battery Indicator: Yes
-Over Range Indicator: Err.1
-Under Range Indicator: Err.2
-Operating Conditions: 0 to 55°C (32 to 122°F)
-Storage Conditions: -1 to 60°C (14 to 140°F)
-Power Supply: 1 x 9V Battery (not included)

One set included
-1 x Manometer
-2 pairs of tubing
-1 x 1/8" MPT x 1/8" Barb Access Fitting
-1 x Soft pouch
-1 x Instruction Manual
-Standard Factory Package

• Large LCD with backlight to measure gauge & differential pressure
• Measuring ranges ±13.79 kPa / ±2 psi / ±55.4 H2O with high accuracy ±0.3% in full scale
• 11 selectable scales & units: inH2O, psi, bar, mbar, kPa, inHg, mmHg, ozin2, FtH2O, cmH2O, kgcm2
• Zero adjust & offset functions; Data Hold; Error codes for out of range indication
• MAX/MIN/AVG values with relative time stamps; Low power indication; Auto power off (can be disabled)