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Ametek Crystal M1 Digital Pressure Gauge

From: $974.00

The Ametek Crystal M1 is a digital pressure gauge with 0.2% of reading accuracy. It competes directly with mechanical gauges. Accuracy is not degraded by dropping, over-pressure, rapid pressure changes or temperatures between -10˚C and 50˚C.

SKU: M1 Categories: ,


The Ametek Crystal M1 is affordably accurate!

The Ametek Crystal M1 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 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 a replaceable CPF adapter


0 to 20% of Range: ±(0.04% of Full Scale) Includes all effects of linearity, hysteresis, repeatability,
temperature, and stability for two years.
20% to 110% of Range: ±(0.2% of Reading) All models indicate vacuum, but vacuum specification applies
to 30 psi, 100 psi, and 300 psi models only.
Vacuum: ±(0.25% of Full Scale*)
* Full Scale = -14.5 psig
Not recommended for continuous use below -14.5 psi. Refer to
XP2i-DP data sheet for gauges that are intended for continuous high vacuum use.
Temperature Range: -10 to 50° C (14 to 122° F) Non-condensing. No change in accuracy over operating
temperature range. Gauge must be zeroed to achieve rated
Screen: 5 digits, 16.8 mm (0.66″) high LCD readable in sunlight with bright backlight.
Display Rate: 4 readings/second
2 x AA: 900 hours, typical Uses 2 alkaline AA (LR6) batteries. Use of backlight reduces operating time. Extended battery life is keypad selectable. Do not overtighten rear cover when replacing batteries.
Extended Battery Life: 1 reading/15 seconds: 3,000 hours
1 reading/30 seconds: 6,000 hours
1 reading/60 seconds: 10,000 hours
1 reading/5 minutes: 25,000 hours
1 reading/10 minutes: 30,000 hours
Optional AC power supply available.

Additional information

Pressure Range

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