What is the pressure sensing limit of these test kits?

YELLOW JACKET gas pressure gauges can measure pressures up to 35 inches of water column.

Which material is used for making these kits?

Lens - PolycarbonateSocket - Brass

YELLOW JACKET gas pressure test kits offer accurate setting of the manifold pressure for natural or liquefied petroleum gas pipelines.

Filter

Style	Model	Pressure Range	Primary Scale Units	Process Connection Location	Compatible Process Media	Includes	Accuracy Scale	Application	Dial Color	Price
A	78055	0 in. wc to 10 in. wc	In Wc	Bottom	Natural Gas	36 In Tubing, Barb Fitting	Full Scale	Pressure Detection	White	€135.83
A	78060	0 in. wc to 35 in. wc	In Wc	Bottom	Natural Gas	36 In Tubing, Barb Fitting	Full Scale	Pressure Detection	White	€130.52

YELLOW JACKET gas pressure test kits have a tube nipple for easy connections to various systems.
These sensitive diaphragm gauges are calibrated in inches of water column and ounces per square inch for the user's convenience.
Their unique single bellows on brass plate design account for a strong seal that resists high over-pressures.

YELLOW JACKET 78062 Hose With Nipple: This hose replaces the existing clogged hose for accurate measurements.
YELLOW JACKET 78059 Gauge Crystal: This crystal replaces the existing deformed / abrased crystal for clear observations.