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Intelligent pressure switch

Intelligent pressure switch
Intelligent pressure switch is an intelligent digital pressure measurement and control product integrating pressure measurement, display, output and control.
The product front end for full electronic institutions with the diaphragm hydraulic resistance type pressure sensor, the output signal by high precision, low temperature drift amplifier amplification processing, into the high accuracy A/D converter, into the microprocessor can process digital signals, after processing of two way switch signal control, pressure control system for measurement and control.
The intelligent digital pressure switch is flexible, easy to operate, easy to debug and safe and reliable.
Widely used in hydropower, tap water, petroleum, chemical, mechanical, hydraulic and other industries, pressure measurement and control of fluid media.

The characteristics of
The 4-digit figure shows the current pressure value
Pressure preset switching point and switching point action delay function
Switch output function is optional
A nodal action led is provided for easy observation
Key adjustment and on-site setting of various parameters, easy to operate
2 way switch output with load capacity
Analog or digital output
The pressure port is rotatable

The installation
Mechanical connection
It can be installed directly on the hydraulic pipe line through the pressure pipe joint.
In key applications, pressure pipe joints can be mechanically decoupled by micro hoses

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In order to prevent the influence of electromagnetic interference, the following matters should be noted
Line connection is short, using shielded line
Avoid direct access to the wiring of the user device or electronic device causing interference
The shell must be separately grounded if installed with a miniature hose

Set up the
Hysteresis function
The delay value can be set through the menu, and its output can be controlled, and only one output point is needed. As shown in the figure on the right, taking the normally open type as an example, the grey generation is the delay value


The window function
This function can be used to monitor specific interval, its output can be used to complete control, alarm and other work, and only one output point is needed.
As shown in the figure on the right, take the normally open type as an example. The grey band is the window value. When the pressure value is between the window, the open point is attracted

Note: X in ALXH and alxl represents switching point 1 or 2

The key that

Mode key
Confirm key. When displaying menu status, press this key to display menu data.
When the data is displayed, press this key to confirm the modified parameters and return the menu status



Increase key, short time parameter single value increases, long time parameter value increases quickly 1



Reduced value, short time is reduced by the parameter single value, chang 'an is the parameter fast minus 1


If no key is pressed for 30 seconds, the modified data will not be saved
When pressed for 5 seconds at the same time, the zero position correction will be realized, and the pressure value within the range will be regarded as the new zero.
If both parts are pressed for 5 seconds at the same time, the pressure value before zero correction will be restored


The error code
Switch 1 output short circuit, error output close or not control.
Elimination: after the elimination of short circuit, power on again
Switch 2 output short circuit, error output close or not control.
Elimination: after the elimination of short circuit, power on again
Switch 1/2 output short circuit, error output close or not control.
Elimination: after the elimination of short circuit, power on again

Data validation error, possibly due to
Strong electromagnetic interference or device failure.
Troubleshooting: power back up after a power outage, or go to the advanced user menu to reply to factory Settings
The internal module of the instrument summons an error, which may be caused by strong electromagnetic interference or some device failure.
Elimination measures: eliminate electromagnetic interference sources, the meter case is reasonably grounded

If the above fault code is found, it can't work normally after sending the test and recharging, please contact our company