So at the same pressure the M1 is over 2 times more accurate than the of full scale device of the same range. Now lets say the gauge was a full scale device so at 40 PSI it would be 100 PSI x 0.2 = 0.2 PSI Lets take a 100 PSI M1 gauge at 40 psi the worse the gauge could be, accuracy wise, would be 40 PSI x 0.2% - 40 PSI +/- 0.08 PSI which is pretty good. Like other Crystal products the M1 is also a percentage of reading device which means at a certain pressure the accuracy is of that pressure where other gauges are of full scale. Unlike lower cost gauges you will not damage this gauge if you drop it 2 meters onto concrete, the case and stem won’t break they are very robust gauges. It’s a menu based system just scroll through the menu and select what you want and then change or remove it, nothing could be easier! Even changing the batteries is easy. If you damage the gauge due to overpressure we will replace the unit free of charge, We are that confident you can't mess them up!Įach Crystal product is very easy to use and the M1 is no exception, It is very easy to change pressure units, turn on or turn off the peak hold function. The pressure sensor is fully isolated so can be used on fluids compatible with 316 Stainless Steel, it will also handle pulsing pressure with ease, you won't damage this gauge due to over pressure either. Now that the M1's also come with the Crystal CPF fitting system as standard we can do both ¼ NPT and ¼ BSPP ex-stock. It is IP 65 rated so will handle being used outdoors. The M1 comes complete with a protective rubber boot.
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