Tilswall Air Pressure Meter, Dual-Port HVAC Digital Manometer

Large LCD Screen for Easy Reading

The clear digital LCD display shows test results instantly and helps prevent eye strain, making it comfortable for continuous use.

High Accuracy Measurement

Offers a wide measuring range of ±20.68 kPa / ±2.999 psi with ±0.3% FSO accuracy at 25°C, ensuring precise readings for both professional and home applications.

Reliable and Consistent Performance

With repeatability of ±0.2% (max ±0.5% FSO) and linearity/hysteresis of ±0.29% FSO, this tester guarantees stable and dependable results over repeated use.

Fast Results & Safety Indicators

Responds in just 0.5 seconds and includes clear over-range (Err0) and under-range (Err1) alerts, preventing misuse and ensuring safe operation.

Durable for Extreme Conditions

Designed to handle tough environments with a temperature measurement range of -40°C to 80°C (-40°F to 176°F) and operating conditions between 0°C to 50°C (32°F to 122°F).