The meter can measure the differential pressure conveniently. It features 11 selectable units of measure, and used for testing ventilation and air conditioning system, spot check, clean room, or any pressure system trouble

Specification:
Model: HT-1890
Display: LCD Backlight
InH2O Range: ±55.40; Resolution: 0.01
Psi Range: ±2.000; Resolution: 0.001
Mbar Range: ±137.8; Resolution: 0.1
Kpa Range: ±13.79; Resolution: 0.01
InHg Range: ±4.07; Resolution: 0.001
MmHg Range: ±103.4; Resolution: 0.1
Ozin2 Range: ±32; Resolution: 0.01
FtH2O Range: ±4.612; Resolution: 0.001
CmH2O Range: ±140.6; Resolution: 0.1
Kgcm2 Range: ±0.140; Resolution: 0.001
Bar Range: ±0.137; Resolution: 0.001
Accuracy: ±0.3%FSO(25°C)
Repeatability: ±0.2%(imum. +/-0.5%FSO)
Lity/Hysteresis: ±0.29%FSO
imum. Pressure: 10Psi
Response Time: 0.5s Typical
Low Battery Indicator: Yes
Over Range Indicator: Err. 1
Under Range Indicator: Err. 2
Operating Condition: 0~50°C / 32~122°F
Storage Condition: -10~60°C / 14~140°F
Power Supply: 1 * 9V Battery (NOT Included)
Size: 16*5.5*3.2cm/6.3*2.2*1.3in
Weight: Approx.268g/9.5oz

Package List:
1 * Digital Manometer(Battery NOT Included)
1 * Black Pouch
4 * Flexible Tube
1 * Metal Accessory
1 * User Manual (English)