We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Black steel pressure gauge with brass internals, 0 to 600 psi and 0 to 40 Bar, bottom connection

Miller-Smith Equipment

Miller-Smith Equipment GA142-03 Pressure Gauge 0-600 psi 0-40 Bar

SKU CH-9ZMX-ZACQ1

Measures pressure up to 600 psi or 40 bar with a steel case and brass wetted parts

  • Product typeElectronic
  • Electronic gauge for precise pressure monitoring
  • Dual-scale 0–600 psi / 0–40 bar range
  • ±3-2-3 % accuracy for reliable readings
  • 2-inch steel case with brass/bronze wetted parts
  • 1/4 in MNPT bottom connection for direct mounting

Pressure Gauge 0-600 psi 0-40 Bar

The Miller-Smith Equipment GA142-03 is an electronic pressure gauge built for welding regulator applications. It measures from 0 to 600 psi with a secondary scale of 0 to 40 Bar. The gauge features a 1/4 inch MNPT bottom connection for direct inline installation. It is suited for technicians monitoring gas pressure in workshop or field environments.

Accuracy +/-3-2-3 Percent Steel Case

The gauge operates within a +/-3-2-3 percent accuracy class across its range. Numbered graduations appear every 100 psi with the smallest graduation at 20 psi for clear reading. A black steel case protects the internal mechanism while brass and bronze wetted parts handle the media. The unit is not liquid filled and relies on ambient conditions for thermal stability.

Basic Gauge No Panel Mount No Calibration

This model is a basic gauge without panel mounting capability, limiting it to portable or inline use. No calibration certificate is included with the unit, so users requiring traceable documentation must arrange verification separately. The 2 inch dial diameter provides a compact face for tight regulator spaces. Accessories are limited to the gauge itself.

How it compares

Measured against everything we stock in Meters, Testers & Measuring Tools, at today’s prices. Recalculated every night.

Price $18.99
Cheaper than about 79% of the 3,030 comparable items (median $54.99).

Specifications

Product
Brand nameMILLER ELECTRIC
Product typeElectronic

Questions about this item

How do I install the 1/4 in MNPT bottom connection without leaks?

Wrap PTFE tape on the male threads, hand-tighten into the port, then turn one to two full turns with a wrench on the steel case flats — do not force the brass wetted parts.

What maintenance will the brass and bronze wetted parts need over time?

Inspect for corrosion or debris every few months; clean with a soft brush and compatible solvent, and replace the gauge if the +/-3-2-3 percent accuracy drifts beyond tolerance.

At what pressure does the +/-3-2-3 percent accuracy limit become critical during sustained use?

The tolerance band applies across the full 0 to 600 psi range; sustained operation near 600 psi makes the 3 percent upper-zone allowance the first limit you will reach.

More in Meters, Testers & Measuring Tools

Similar items