Reddit reviews Industrial Pressure Gauges,Glycerin Filled/Refillable,2-1/2" Dial, 0-160 Psi/Kpa/bar, 2.5% Accuracy, 1/4" Male NPT Connection, Back Mount,Brass Internal Parts,St St Case,Crimped Bezel
We found 1 Reddit comments about Industrial Pressure Gauges,Glycerin Filled/Refillable,2-1/2" Dial, 0-160 Psi/Kpa/bar, 2.5% Accuracy, 1/4" Male NPT Connection, Back Mount,Brass Internal Parts,St St Case,Crimped Bezel. Here are the top ones, ranked by their Reddit score.
Filled with glycerin and enclosed in a stainless steel 304 case for corrosion resistance Pressure Range with single (psi) or dual scale (psi/kPa)/(psi/bar)/(Hg. vacuum/kPa)/ (Hg. vacuum/bar)Accuracy is + or - 2.5% of full scale value for the 1.5" (40 mm) and 2" (50 mm) gauges, 2.5" (63 mm) and + or - 1.6% of full scale value for the and 4" (100 mm) gaugesBrass wetted parts for measuring non-corrosive liquid and gas pressureLower mount or center back male connection with 1/8", 1/4", or 1/2" NPT rate , estricted orifice
Looking at a pic that gage might be replaceable. A back mount gage like this might work.
www.amazon.com/dp/B016MM67TM/ref=cm_sw_r_cp_api_Gs7ZxbA4M1GJ3