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Product details
Product Overview
The design principle of CYG3002 digital intelligent pressure switch adopts MEMS technology to manufacture a silicon piezoresistive pressure sensor with precise temperature compensation as the pressure sensing element. During operation, the elastic membrane is a silicon membrane, and the maximum displacement is in the sub micron range, so there is no wear, fatigue, or aging. The lifespan is over 107 pressure cycles. By using highly reliable digital circuits, the signal processing from the sensor output to the switch output that can set the alarm pressure value arbitrarily is completed, creating an intuitive digital pressure display that is easy for users to adjust. The digital pressure instrument and transmitter technology are organically combined to convert the pressure signal sensed by the pressure sensitive element into a switch signal output. It integrates pressure measurement, display, and control, making it convenient to use.
The design of CYG3002 digital intelligent pressure switch deviates from the principle of analog signal comparison output used in traditional electronic pressure switches, solving the problems of unstable high and low output levels caused by analog comparison results, frequent relay shaking, low control accuracy, and great inconvenience to the entire control.
Product Features
High accuracy, fast response, and no dead zone; Stable performance, small size, and easy operation; Easy to install and use;
Long lifespan, no shaking at critical points; High output driving current; Intelligent design ensures the accuracy of measurement and control;
Advanced digital calibration system, no need for potentiometer adjustment; Digital display, convenient and intuitive;
● Zero position, alarm pressure value, and hysteresis can be set on site; EMC design (isolation voltage up to 3000VDC);
Typical applications
Industrial process detection and control, vacuum technology, refrigeration technology; Air compression, boiler;
Hydraulic and pneumatic control systems; Mechanical manufacturing, locomotive braking system; Liquid level control;
Building self-control and constant pressure water supply; Control and monitoring in water pressure systems and process sequencing; architectural engineering;
Outline dimension diagram
technical performance parameters
| Pressure range | CYG3002G Gauge pressure switch |
-10, - 20. - 40. - 100kpa |
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| 1. 2, 4, 10, 20, 40, 100, 200, 400 kpa | |||
| 1. 2, 4, 6, 10, 20, 40, 60, 100 Mpa | |||
| CYG3002A Absolute pressure (vacuum) switch |
100, 160, 250, 400, 600 kpa |
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| 1. 1.6, 2.5, 4, 10 Mpa | |||
| CYG3002D differential pressure switch |
1000, 1600, 2500 kPa withstand static pressure: 3 Mpa |
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| 20. 40, 100, 200, 500 kPa withstand static pressure: 1 Mpa | |||
| 1. 2, 4, 10, 16 kPa withstand static pressure: 100 kPa | |||
| Comprehensive technical parameters | Pressure measuring film material ① | 316L stainless steel diaphragm (M-type) or silicon diaphragm (S-type) | |
| power consumption | ＜1W | ||
| Working voltage ③ | 24VDC ± 5% or 220VAC | ||
| Comprehensive accuracy ② Measurement accuracy Control accuracy |
MB | MA | |
| ±0.5% ±1.0% |
±1.0% ±2.0% |
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| Temperature influence | ≤0.03% FS /℃ | ||
| Medium temperature ③ ambient temperature |
–20～+75°C ； –20～+ 105°C； –20～+ 125°C； –10～+ 50°C |
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| Display units | Kpa Mpa bar kg/cm2 mH2O psi (choose one) | ||
| Pressure interface ③ | M20 × 1.5 G1/4 NPT1/4 Z1/8 Z3/8 M30 × 1.5 pipe joint with a diameter of 7mm | ||
| Measurement medium ③ | Gas, liquid and other media compatible with silicon materials or 316L stainless steel | ||
| control model | Switching output (normally closed or normally open contacts), single point or dual point (high alarm and low alarm) | ||
| Parameter setting | High and low control point values (set arbitrarily within the full range) Zero position, full range (can be self corrected at standard pressure values) Return difference (refers to the absolute value of the difference between the reset pressure value of the contact and the action pressure value after the contact is activated) |
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| drive capability | 3A 220VAC/3A 36VDC (relay) | ||
| Display Range | 0-999 or -999-0 | ||
| Electrical connection | Cable straight out or aviation plug (with an outgoing line of 0.3 meters) | ||
| electrical protection | Reverse connection, overvoltage, short circuit; Input/output high voltage isolation (3000VDC 0.5mA 60s) | ||
| Electrical life | 105 ops（30 ops/min） | ||
| Overload capacity | 150% rated pressure | ||
| External dimensions | 80×75×57 | ||
| Overall weight | 0.5Kg | ||
| notes | Material of pressure measuring element: Stainless steel diaphragm (M-type) suitable for most gas and liquid media that are non corrosive to stainless steel; Silicon film (S-type) is suitable for media such as non corrosive and non-conductive gases and liquids that are compatible with silicon; ② Comprehensive accuracy: including nonlinearity, hysteresis, and repeatability, excluding time drift and temperature drift; ③ Special temperature range, pressure range, measuring medium, power supply voltage, etc. can be negotiated with the manufacturer |
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