SENCTRL 30 inHg Vacuum Silicone Oil Liquid Filled Low Pressure Gauge, 2.5" Dial Size, 1/4" NPT Lower Mount, Stainless Steel Case, for Air Conditioning Manifolds, HVAC, Air Pump Vacuum Test

Features

• Brass and Stainless Steel wetted parts for measuring non-corrosive liquid and gas pressure. Such as water, oil, air pressure test. Compatible with air conditioning line repair, tank, hvac tools, air pump, pipe, tube vacuum test and etc..
• Circular dial is enclosed in a 304 stainless steel case for corrosion resistance. Liquid filled inhibits pointer flutter and prevents damage to the internal mechanics from vibration and pulsation.
• Freeze Resistant: Silicone oil ensures long-term work in low temperature(-40~140℉/-40~60℃) and suits for most outdoor conditions and seasons.
• Measures pressure with dual scale (-30-0 inHg/-100-0 kPa). Display accuracy is + or - 3/2/3% over the entire range of the gauge.
• IP67 waterproof prevent condensation inside caused fogging of the window. Offer clear reading.
• Lower mount male connection with 1/4" NPT thread.