AUTOOL Manometer Gas Pressure Tester, Digital Manometer HVAC, 12 Units Differential Dual Port Pressure Gauge -20 to 20Kpa, Data Zeroing with Backlight LCD Display

AUTOOL Manometer Gas Pressure Tester, Digital Manometer HVAC, 12 Units Differential Dual Port Pressure Gauge -20 to 20Kpa, Data Zeroing with Backlight LCD Display

• Measuring Range: ±20.68 kPa / ±2.999 psi , Accuracy: ±0.3% FSO. repeatability error of only ±0.2%. Response Time: 0.5Seconds. Supports 12 units, including PSI, inHg, inH₂O, ftH₂O, etc., seamlessly adapting to local needs.
• Dual-Port Synchronous Detection: Real-time display of the pressure difference between two channels (P1-P2), particularly suitable for: HVAC duct pressure differential monitoring, filter blockage diagnosis, cleanroom micro-pressure control, maintenance and installation of blowers, clean rooms, boilers and other gas appliances.
• Data storage: One-touch saving of critical readings (short press of °C/°F key), supports up/down scrolling (DIF/MAX keys), replacing manual recording. Long press the MAX key to lock the maximum/minimum values, making dynamic pressure changes clearly visible.
• Automatically shuts down after 15 minutes of inactivity, powered by a 9V battery (low battery warning). One-button zero calibration, long press the HOLD key to clear zero drift, quick calibration before measurement. Backlit display screen (164x70mm large screen), clear readings in dark environments.
• 【Three Years Warranty】For any quality problems. If manometer has any defect, we will provide new replacement or solutions for our customers until satisfaction without delay, and provides lifetime technical support. For any needs, you are warmly welcomed to contact us and we will get back to you ASAP within 24 hours.