Crystal M1 Digital Test Gauge

M1 Digital Test Gauge – Affordably accurate pressure gauge.


The M1 digital pressure gauge maintains 0.2% of reading accuracy from -10˚ to 50˚C. Accuracy is not affected by dropping, over-pressure, vibration, temperature, or rapid pressure change.  Available as a 30 psi digital pressure manometer.

One wide range M1 digital pressure gauge replaces up to five 0.25% mechanical gauges with 0.2% of reading accuracy.

  • 2-Year recommended calibration interval
  • Battery life up to 3 years continuous use
  • Bright backlit display
  • Easy to read extra large numbers
  • Protective boot included
  • Shifts everyday wear to replaceable CPF adapter