# Smart Pressure Gate FC\/CC – 0..10V – CO2 (SPG 901_004) \u2013 Intelligens Nyom\u00e1svez\u00e9rl\u00e9s CO\u2082 H\u0171t\u0151rendszerekhez<\/p>\n
The Leitenberger Smart Pressure Gate (SPG) model 901_004 is an extremely advanced, intelligent pressure monitoring and control device specifically developed for high-pressure applications in carbon dioxide (R744) based refrigeration systems. This device ensures precise monitoring and control through digital interfaces and high-precision sensors, thereby optimizing energy efficiency and system safety.<\/p>\n
This modern solution is capable of replacing conventional mechanical pressure gauges, pressure switches, and analog pressure sensors (with 0\u202610 V output), integrating the functions into a single, robust unit.<\/p>\n
## Main Features and Advantages<\/p>\n
The Smart Pressure Gate 901_004 offers several key advantages for refrigeration technology professionals:<\/p>\n
### Optimization for CO\u2082 (R744) High-Pressure Refrigeration Systems
\nThis device is specifically designed for the special requirements of systems operating with carbon dioxide as a natural refrigerant, where managing high operating pressure is critical.<\/p>\n
* **Extreme Pressure Stability:** The device withstands extremely high pressures, operating reliably even in ranges up to **160 bar**.
\n* **Excellent Measurement Accuracy:** Thanks to the extremely precise sensors, the measurement accuracy is **0.5 % FSS** (Full Scale Span \u2013 expressed as a percentage of the full measuring range), which guarantees precise regulation.<\/p>\n
### Flexible Control Options
\nThe digital outputs of the SPG 901_004 enable fine-tuning of systems and minimization of energy consumption.<\/p>\n
* **EC Fan Speed Control:** Supports the speed control of EC (electronically commutated) fans, resulting in maximum energy efficiency during cooling processes.
\n* **Helyettes\u00edt\u0151 Funkci\u00f3:** Egyetlen eszk\u00f6zk\u00e9nt k\u00e9pes kiv\u00e1ltani a mechanikus manom\u00e9tereket, a nyom\u00e1skapcsol\u00f3kat \u00e9s a hagyom\u00e1nyos 0…10 V anal\u00f3g kimenet\u0171 nyom\u00e1sjelad\u00f3kat.<\/p>\n
### Digital Monitoring and Remote Maintenance
\nThe built-in digital communication interfaces allow the device to be integrated into modern monitoring systems (BMS\/SCADA).<\/p>\n
* **Modbus RTU & RS485 Interf\u00e9sz:** Ez a protokoll biztos\u00edtja a k\u00fcls\u0151 vez\u00e9rl\u00e9st, a val\u00f3s idej\u0171 adatgy\u0171jt\u00e9st \u00e9s a t\u00e1voli diagnosztik\u00e1t.<\/p>\n
### Simple Installation and Retrofitting
\nDuring design, great emphasis was placed on ease of installation, minimizing downtime.<\/p>\n
* **Compatible with Existing Connections:** The device fits existing connections, eliminating the need for adaptations or modifications to the existing infrastructure.<\/p>\n
## Technical Data<\/p>\n
The detailed technical specifications of the SPG 901_004 device ensure long-term, reliable operation even in the most demanding industrial environments.<\/p>\n
| Parameter | Low Pressure (LP) | High Pressure (HP) |
\n| :— | :— | :— |
\n| **Measuring Range** | 0\u202660 bar | 0\u2026160 bar |
\n| **Measuring Range (psi)** | 0\u2026870 psi | 0\u20262320 psi |
\n| **Measurement Accuracy** | 0.5 % FSS | 0.5 % FSS |
\n| **Refrigerant Compatibility** | CO\u2082 (R744) | CO\u2082 (R744) |
\n| **Folyamat Csatlakoz\u00e1s** | G1\/4 SAE | 7\/16″-20 UNF |
\n| **Digital Communication** | Modbus RTU \/ RS485 | Modbus RTU \/ RS485 |
\n| **Vez\u00e9rl\u0151 Kimenet** | 0…10 V (Ventil\u00e1tor szab\u00e1lyoz\u00e1shoz) | 0…10 V (Ventil\u00e1tor szab\u00e1lyoz\u00e1shoz) |<\/p>\n
### Further Technical Details<\/p>\n
* **Design:** Intelligent pressure monitor with fan control.
\n* **Construction:** Robust, quality made in Germany design.
\n* **Area of Application:** Primarily for monitoring CO\u2082 (R744) refrigeration units, compressors, and high-pressure systems.<\/p>\n
## Application Areas<\/p>\n
The Smart Pressure Gate 901_004 is the ideal choice in the following areas:<\/p>\n
1. **Refrigeration Technology:** Especially in transcritical CO\u2082 systems where precise regulation is required on the high-pressure side (HP).
\n2. **Industrial Measurement and Control Technology:** Any industrial process where reliable, digitally communicating pressure data is required.
\n3. **Compressor Protection:** Through precise pressure monitoring, it contributes to increasing the service life of compressors and preventing failures.<\/p>\n
This device reflects Leitenberger's commitment to high-quality, innovative measurement and control technology solutions, especially regarding future refrigerants and energy efficiency.<\/p>","protected":false},"excerpt":{"rendered":"
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