Features:
1. Measures differential/positive/negative pressure with 11 selectable units: kPa, mmHg, inHg, psi, mbar, bar, ozin, kgcm, inHO, ftHO, cmHO.
2. Suitable for ventilation and air conditioning systems, clean rooms, or any gas pressure system troubleshooting.
3. Large backlit screen for easy measurement in dark environments, clear reading, and portable.
4. Essential tool for HVAC technicians, operation and maintenance engineers, and researchers.
5. Double injection molding with high-strength ABS engineering plastic for durable protection.

Specification:
Type: Differential Manometer
Material: ABS Plastic
Battery: 3 x 1.5V AAA (Not Included)
Measuring Range: 103.42KPa
Accuracy: 1%FS (max error 1.04KPa)
Maximum Pressure Limit: 206.7KPa
Response Time: 0.5S
Pressure Connection: A 1/8in (3.18mm) quick connector
Working Temp & Humidity: 0~40, 10%~80% RH
Storage Temp & Humidity: -10~60, 10%~90% RH
Over-Range Prompt: Err1 or Err2

Range and Resolution:
Unit Range Resolution
KPa 103.42 0.01
mmHg 775.7 0.1
inHg 30.540 0.001
psi 15.000 0.001
mbar 1034.2 0.1
bar 1.034 0.001
ozin 240.00 0.01
kgcm 1.055 0.001
inHO 415.20 0.01
ftHO 34.600 0.001
cmHO 1054.6 0.1

Package Included:
1 x Storage Bag
1 x Differential Manometer (Battery Not Included)
4 x Transparent Tube
1 x Bag of Adapter (2pcs)

Note:
Please allow slight 1-2cm difference due to manual measurement and minor color variation due to different display settings.