Differential Pressure Sensor and Gauge: Filters, HVAC, Pumps
If the job comes down to an alarm or stopping a fan, a differential pressure switch is enough. If you need a f...
Articles
Useful articles, reviews and technical solutions
Pt100 or Thermocouple: Which to Use in a Process
Below 600 °C use a Pt100 resistance thermometer; above 600 °C use a thermocouple. That boundary is not ours, i...
Encoder: Incremental or Absolute — How to Choose
If the axis has to know its position after power is removed, without homing again, take an absolute encoder. I...
Limit Switch vs Inductive Sensor: When to Replace
Short version. Replace a mechanical limit switch with an inductive sensor when the mechanics are what fails: t...
Pressure Switch Faults: Not Switching Off, Chattering, Not Starting the Pump
Symptom, datasheet cause, check. Why a set point will not hold, where short cycling comes from, what burns the...
Pressure Sensors for Steam and Aggressive Media: Syphons, Diaphragms, Temperature
The instrument is chosen by the temperature at the tapping point, not by pressure. DIN 16282 syphons, 150/200...
Laser Distance vs Ultrasonic vs Photoelectric Sensors
Choosing a distance sensor starts with one question: do you need a number or a yes/no. For a number you take a...
Safety Light Curtain Selection: Type, Resolution, Distance
A safety light curtain comes down to three choices: resolution (14 mm for finger protection, 30 mm for hand pr...