The Extech HD700 Series manometer is a handheld, low range/high resolution manometers capable of gauge or differential pressure measurements. The Extech HD700 manometer has a ±2psi range; the Extech HD750 manometer has a ±5psi range; and the extech HD755 has a ±0.5psi range. All units have a resolution of 0.001psi with an accuracy of ±0.3% FS.

The Extech HD700 Series manometer features 11 selectable units of measure: psi, inH20, bar, mbar, kPa, inHg, mmHg, oz/in2, ftH20, cmH20, and kg/cm2. Both units have a large LCD display with backlighting. User friendly functions of the Extech HD700 Series manometer such as Max/Min/Avg recording, data hold, relative time stamp, and zero function for offset correction or measurement are included in the design. A built-in USB port (software and cable included) makes data transfer and analysis simple and efficient.