WPH300 Combination Gauge Vacuum Measurement INSTRUE Singapore, Woodlands Supplier, Suppliers, Supply, Supplies | TIMS Technology Pte Ltd
Functional Principle
The WPH-300 gauge is a combination gauge consisting of a Pirani sensor and a hot ion sensor. Both sensors are constantly active.

At low pressures, only the signal of the Pirani sensor is used for pressure measurement, at high pressures, only the signal of the ion sensor. To determine the output signal in the intermediate range, both signals are used proportionally to the pressure. They are combined in such a way that for the user, they behave as one single measurement system.

The gauge can display the vacuum pressure by a 5-digit LED or communicate with a standard PC through RS485 or Wireless, as well it outputs an analog signal as a logarithm of the pressure over the whole measurement range.

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