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IST Sports GP-35 High-Pressure Gauge

A compact, precision-built pressure gauge delivering reliable readings with dual-scale visibility for both imperial and metric units.
By Scuba Diving Partner | Published On April 1, 2026
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IST Sports GP-35 high-pressure gauge scuba dual scale pressure gauge

This compact pressure gauge delivers clear, accurate tank readings at a glance.

Courtesy of IST Sports

The IST Sports GP-35 high-pressure gauge is a compact, single-dial instrument designed for dependable and accurate tank pressure monitoring. Constructed with a precision copper coil, it delivers stable performance even under demanding conditions.

The gauge utilizes a reliable Bourdon tube measuring mechanism to ensure consistent accuracy at high pressures. Its dual-scale dial clearly displays readings in both imperial (psi) and metric (bar) units, offering flexibility for divers worldwide.

Capable of measuring up to 5,000 psi (400 bar), the GP-35 is built for a wide range of diving applications. It operates effectively within temperatures ranging from 23 to 113 degrees Fahrenheit (minus 5 to 45 degrees Celsius).

Why We Love It

Dual-scale display makes it easy to read tank pressure in both imperial and metric units at a glance.

Pricing:

$240

Learn more at istdivingsystem.com