Elektrogas LD & LDM Series – Tightness Control Devices for Industrial Gas Safety

Description

Key Features

• Microcontroller-Based Technology – Ensures accurate and efficient gas tightness monitoring.

• High-Visibility LED Indicators – Provides clear device status for easy monitoring.

• User-Friendly Reset Button – Enables quick and convenient system recovery.

• Adjustable Test Time – Customizable testing duration to fit specific plant requirements.

• Configurable Test Timing – Allows flexibility in different industrial environments.

• Explosion-Proof (Ex-Proof) Versions – Metal enclosure available for ATEX Zone 2 & 22 compliance.

• Integrated Pressure Switches & Auxiliary Valves – Enhances system functionality and safety.

• EN 1643 Compliance – Designed to meet stringent international gas safety standards.

Technical Specifications

Voltage Options:

• 230V AC (50/60Hz)

• 110-120V AC (50/60Hz)

• 24V DC

Voltage Tolerance: -15% to +10%

Power Consumption:

• 10 VA (1W for 24V DC)

• Integrated valves: 2×21 VA

Environmental Conditions:

• Operating Temperature: -15°C to +60°C

• Maximum Working Pressure: 500 mbar (50 kPa)

Enclosure Protection:

• LD Series: IP54

• LDM Series: IP65

Cable Gland Options:

• PG9 (Ø6 – 8 mm cable)

• PG16 (Ø10 – 12 mm cable)

• ISO 4400 plug PG11 (Ø8 – 10 mm cable, optional)

Electrical Specifications:

• Maximum Wire Cross-Section: 2.5 mm²

• Replaceable Fuse: 5 A (slow-acting)

• Output Signals:

  • 5A max (Resistive Load)

  • 2A max (Inductive Load)

Reset Mechanism:

• Activated by applying mains voltage

Testing Configurations:

• Test Period: Adjustable 10s – 90s

• Filling/Discharge Time: 3s

Connections:

• Rp 1/4

Gas Compatibility:

• Works with non-aggressive gases (Families 1, 2, and 3 – EN 437)

Compliance & Certifications:

• Integrated Pressure Switch: Compliant with EN 1854

• Integrated Solenoid Valves: Compliant with EN 161, Class A

Weight:

• LD1: 450 g

• LDM2: 1200 g

• LD3: 1600 g

• LDM4: 2100 g