Filter monitoring device PFM 13 C EX

Product Details:

Mounting Type Wall mounting
Response Time < 1 s
Operating Voltage 24 V DC
Test Range 02,500 Pa
Temperature -20C to +60C
Automation Grade Automatic / Manual
Application For differential pressure monitoring at filters in explosive atmospheres
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Filter monitoring device PFM 13 C EX Product Specifications

Response Time < 1 s
Power Supply 24 V DC
Machine Weight 2.5 kg
Mounting Type Wall mounting
Application For differential pressure monitoring at filters in explosive atmospheres
Automation Grade Automatic / Manual
Display Type LCD Digital
Temperature -20C to +60C
Test Range 02,500 Pa
Operating Voltage 24 V DC
Interface Type 2-wire, 420 mA analog output
Accuracy 1% of full scale
Control Mode Automatic / Manual
Resolution 1 Pa
Features ATEX certified, explosion-proof, compact design
Humidity 0 95% RH (non-condensing)
Equipment Type Filter Monitoring Device
Usage Continuous filter status monitoring
Port Size G 1/4 (DN 8)
Measuring Range 02,500 Pa
Gas Pressure Max. 8 bar

Product Description

continuous, tribo-electric in-situ filter monitoring device with EC-Type Examination Certificate (IBExU19ATEXB008 X)
approved for Ex II 3D Ex ic tc IIIC T80 °C Dc
suitable for installations in hazardous areas of zone 22
no separate power supply necessary (2-wire transmitter)
two probe lengths available (300 and 500 mm)

Explosion-Proof Performance

Certified for use in hazardous environments, the PFM 13 C EX offers explosion protection rated Ex II 2G Ex ia IIC T4 Gb. With an IP65 enclosure constructed from polycarbonate and aluminum, it ensures safe, reliable operation even in tough industrial settings.

Precise Filter Monitoring

Designed for differential pressure monitoring at filters, the device provides accurate measurements from 0 to 2,500 Pa with 1% full-scale accuracy. The manual zero point adjustment and fast response time enable operators to maintain optimum filter performance efficiently.

Flexible and Easy Integration

Supporting both automatic and manual control modes, the PFM 13 C EX features intuitive LCD digital display and simple electrical connections. The analog 4-20 mA output and standard G 1/4 (DN 8) port size facilitate straightforward integration into existing process systems.

FAQ's of Filter monitoring device PFM 13 C EX:

Q: How does the PFM 13 C EX monitor filter status in explosive environments?

A: The device continuously measures differential pressure across filters using its highly sensitive pressure transducer. Its explosion-proof design, ATEX certification, and robust enclosure ensure safe operation in hazardous atmospheres, making it ideal for applications in chemical and petrochemical industries.

Q: What are the benefits of using a filter monitoring device with IP65 and explosion protection?

A: With IP65 protection, the device is dust-tight and resistant to water jets, while its Ex II 2G Ex ia IIC T4 Gb certification safeguards against igniting explosive gases. This combination ensures reliable performance and safety for workers and equipment in challenging conditions.

Q: When should the zero point adjustment be performed on the PFM 13 C EX?

A: Manual zero point adjustment should be done during initial setup and periodically to ensure accurate pressure readings, especially after maintenance or replacement of filter elements. This keeps the measurement precise and mitigates drift caused by environmental factors.

Q: Where can the PFM 13 C EX be installed for effective monitoring?

A: The device is designed for wall mounting, making it suitable for installation near filter housings or within control panels in industrial environments. Its compact build and flexible electrical connections support integration wherever filter status needs continuous supervision.

Q: What process does the device follow to alert operators about filter status?

A: It senses differential pressure in real time and displays values on the LCD in Pa or mbar. If pressure exceeds set thresholds, the analog output (4-20 mA) can trigger alarms or automation responses, allowing timely maintenance and preventing filter failure.

Q: How is the device powered and connected for operation?

A: The PFM 13 C EX operates on a 24 V DC supply and uses screw terminals with cable glands for secure electrical connections. Its 2-wire setup and analog output ensure straightforward integration into modern monitoring and control systems.

Q: What are the primary usage and benefits for distributors or service providers in India?

A: Distributors, exporters, and service providers benefit by offering a reliable ATEX-certified solution for clients needing continuous filter monitoring in explosive zones. The device's accuracy, durability, and ease of integration help optimize plant safety and efficiency, enhancing customer satisfaction.

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