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Determining The Minimum Specific Gravity Difference Between Two Liquids
A very common output signal for sensors of all kinds, 4-20mA has a few very good reasons why it has been so popular for so long:
Long Cable Runs
The 4-20mA output allows for cable runs over 1000 ft. with almost no signal degradation and without regard to any voltage drops in the wire.
Our design engineers and tech support team has heard and seen just about everything when it comes to level sensors and pressure transducers. Today, we want to cover the top ten things to NOT do with a pressure sensor.
The order of this list was determined based on two factors: frequency of the mistake, and the seriousness of the offense.
As sensor design engineers and manufacturers, liquid level sensors and pressure transducers can be broken down into two types: purpose built and field configurable.
With ultrasonic sensors, the most reliable distance readings are obtained when unwanted echoes are reduced or eliminated. This is done when the sensor is set to the minimum power and sensitivities needed to accurately read a target.
An abrupt change in a remote tank often spells disaster. These can be due to thefts and leaks or unusual usage patterns resulting in an overflow or a shortage. Even when the change is routine, a notification to verify data is always helpful.
Many of our customers are managing remote inventories of valuable commodities. There are a number of challenges keeping inventory managers in the dark about what’s really happening to their remote tanks. One of them is abrupt changes that are either unauthorized or unexpected.
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