Specifications:
Model: AS511 / AS511B (Optional)
AS511:
  Differential Pressure Measuring Range: -39.98~39.98KPa
  Maximum Permanent Load Pressure Range: -79.96~79.96KPa
  Pressure Resolution: 0.01KPa
  Accuracy: ±1%FS, maximum error: ±400Pa
AS511B:
  Differential Pressure Measuring Range: -206.8~206.8KPa
  Maximum Permanent Load Pressure Range: -413.6~413.6KPa
  Pressure Resolution: 0.1KPa
  Accuracy: ±1%FS, maximum error: ±2.08KPa
Measurement Selection Rate: 0.5 seconds
Unit: hpa, kpa, mmHg, psi, mbar, bar, ozin2, inHg, Kgcm2, inH2O, ftH2o, cmH2O
Temperature Measurement Range: -10~60℃
Humidity Measuring Range: 5~99%RH
Temperature Accuracy: ±2℃
Humidity Accuracy: ±5%RH
Storage Environment: -10~70℃ / -4~140℉
Power Supply: 3 * 1.5V AAA battery (NOT included)
Material: ABS
Item Size: 167 * 65 * 30mm / 6.57 * 2.56 * 1.18in
Item Weight: 141g / 4.99oz
Package Weight: 305g / 10.77oz
Package Size: 24.8 * 9.3 * 5.3cm / 9.76 * 3.66 * 2.09in

Package List:
1 * Manometer
1 * Package of Accessory
2 * Plastic Pipe
1 * Zipper Pouch
1 * Manual(English)