Choosing a Gauge: Gauge Construction

When you know what to look for, you can tell in advance which gauges can stand up to the elements you work in. Sensors: Welded Sensor: It's not generally possible to tell whether a sensor is fully welded by looking at the gauge, so check with the manufacturer. Non-welded sensors use o-rings or even thread tape inside the gauge. O-rings can degrade, and both o-rings and thread tape have the potential for leaks. Moisture: If the specification warns you to use clean, dry air, the sensor does not have an isolating diaphragm. It…Read more