The liquid filling dampens vibration, mechanical shock, and pressure pulsations for easier readings. It protects against corrosion, moisture, and atmospheric icing while lubricating moving parts to significantly reduce wear.

How to choose the right scale range?

The user must ensure that the appropriate pressure gauge has been selected in terms of scale range and design. The scale range is optimally selected when the operating pressure lies in the middle third of the scale range.

Where are liquid filled pressure gauge used?

Examples include Pressure washers and sprayers; Paint spray equipment; Compressors; Irrigation equipment; Hydraulic systems; Hydraulic hand tools

Why doesn't the gauge return to zero?

Release system pressure first. After shipping or temperature changes, case pressure may not balance, so the pointer may not return to zero. Briefly remove or loosen the top plug to equalize pressure, then reseal it. Never remove under pressure.

Why isn't the gauge fully filled with liquid? Are bubbles normal?

Normal. Liquid expands and contracts with temperature. A 100% fill could raise internal pressure when hot, causing lens bulging, leaks, or inaccurate readings. Gauges are usually filled to about 85%, leaving a small buffer. Slight bubbles are normal.

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SENCTRL 0-300 Psi Glycerin Liquid Filled Pressure Gauge, 2.5" Dial Size, 1/4" NPT Lower Mount, Stainless Steel Case, for Propane Nitrogen Air Co2 Gas Water Oil Hydraulic Pressure Test

Product ID: 586185431

Details

Brand
senctrl
Item weight
0.19 Kilograms
Material
Alloy Steel
Number of items
1
Thread type
1/4" Npt Male

💧Glycerin-filled for vibration damping

⚙️0-300 PSI dual scale precision

🛡️304 stainless steel corrosion resistance

$40.96

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Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Gauge Your Pressure Like a Pro — Don’t Get Left Behind!

UNIVERSAL COMPATIBILITY - Seamlessly works with propane, nitrogen, air, CO2, water, oil, and hydraulic systems—your all-in-one pressure gauge solution.
COMPACT READY TO MOUNT - 2.5-inch dial with 1/4" NPT lower mount fits perfectly in professional setups, from HVAC to heavy machinery.
PRECISION PRESSURE MASTERY - Dual scale (0-300 PSI / 0-2000 kPa) with ±3% accuracy ensures you never miss a critical reading.
BUILT TO BRAVE THE ELEMENTS - IP67 waterproof rating and 304 stainless steel case prevent fogging and corrosion for crystal-clear readings every time.
VIBRATION PROOF RELIABILITY - Glycerin liquid fill eliminates pointer flutter, protecting internal mechanics from pulsation and vibration damage.

The SENCTRL 0-300 PSI Glycerin Liquid Filled Pressure Gauge combines industrial-grade precision with rugged durability. Featuring a corrosion-resistant 304 stainless steel case, glycerin damping to prevent pointer flutter, and an IP67 waterproof rating, it delivers reliable dual-scale pressure readings for a wide range of non-corrosive liquids and gases. Perfectly suited for professional HVAC, hydraulic, propane, and air compressor applications, this compact 2.5" dial gauge with a 1/4" NPT lower mount is engineered for accuracy and longevity in demanding environments.

Specifications

ASIN	B0BCYMDY5M
Best Sellers Rank	124,359 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 15 in Pressure Washer Gauges 373 in Pressure & Vacuum Measurement
Brand	senctrl
Customer Reviews	4.7 4.7 out of 5 stars (170)
Included Components	Pressure Gauge
Item Weight	0.19 Kilograms
Manufacturer	SENCTRL
Manufacturer Part Number	Y.6TGL04
Material	Alloy Steel
Number of Items	1
Thread Type	1/4" Npt Male
Unit Count	1.0 count

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$40.96

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In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

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