This 0 to 2 psi gage is very accurate and has a Accuracy of+-2% of full scale. Overpressure relief plug opens at approximately 25 psig. Temperature limits is 20 to 140 F. Low temparture models as special optin. The fitting size is 1/8 NPT and the weight is 1 lb 2 oz (510g)
The Differential pressure gage consists of two pressure-tight compartments separated by a molded flexible diphram. The interior of the gage case serves as the "high" pressure compartment and sealed chamber behind the diaphragm serves as the "low" pressure compartment.