Type 1082 and 1084 test gauges from Ashcroft Inc., Stratford, CT, are designed for testing or certifying pressure monitoring devices. The Type 1082 is available in 4.5, 6, and 8.5 in. dia., has ±0.25% F.S. accuracy in ranges from vacuum through 10,000 psi, and has an external zero adjuster, temperature compensation, and Monel wetted parts. The 3 in. Type 1084 pocket test gauge is a portable master gauge that covers ranges to 1000 psi with 0.5% F.S. accuracy.