Electronics - Diagnostics

The HYDAC Electronic Pressure Transmitter HDA 4700 is a dual-channel, high-performance sensor specifically engineered for use in safety-critical applications requiring compliance with PL d - Cat 3 (ISO 13849) and SIL 2 (EN 61508).

Key Features:

• Dual-channel design with independent sensor and evaluation circuits for redundancy
• Certified for functional safety: PL d (Cat. 3) and SIL 2 compliant
• High accuracy (≤ ±0.25% FS), compact size, and excellent resistance to temperature and EMC influences

The HYDAC EDS 4300 ATEX is an intrinsically safe electronic pressure switch designed for hazardous environments. Based on the EDS 4000 series, it features a robust ceramic sensing cell, high accuracy, and factory-set switching parameters for reliable low-pressure measurement in explosive zones.

Key Features:

• Measuring ranges: 1; 2.5; 4; 6; 10; 16; 25; 40 bar
• Overload pressures: 3; 8, 12; 20; 32; 50; 80; 120 bar
• Burst pressures: 5; 12; 18; 30; 48; 75; 120; 180 bar

The HYDAC Electronic Pressure Transmitter HDA 4700 with flameproof enclosure is certified for global use in explosive environments, carrying triple approvals from ATEX, CSA, and IECEx. Designed for demanding applications in mining and oil & gas, it features a robust, fully-welded stainless steel sensor for reliable performance under harsh conditions.

Key Features:

• Triple explosion-proof certification: ATEX, CSA, and IECEx
• High measurement accuracy (≤ ±0.25% FS) with minimal temperature error
• Durable stainless steel design with excellent EMC resistance and no internal seals

The HYDAC EDS 4300 ATEX Programmable is an intrinsically safe electronic pressure switch designed for use in explosive atmospheres. With user-programmable switching functions, high accuracy (≤ ±1% FS), and a durable ceramic sensing cell, it offers flexible, reliable pressure control across a wide range of low-pressure applications.

Key Features:

• Measuring ranges: 1; 2.5; 4; 6; 10; 16; 25; 40 bar
• Overload pressures: 3; 8, 12; 20; 32; 50; 80; 120 bar
• Burst pressures: 5; 12; 18; 30; 48; 75; 120; 180 bar

The HYDAC Electronic Pressure Transmitter HDA 4700 CANopen is a high-precision digital sensor designed for seamless integration into CAN-based control systems. Offering real-time pressure data via the CANopen protocol, it combines rugged construction with compact design, ideal for both mobile and industrial hydraulic and pneumatic applications.

Key Features:

• CANopen protocol for easy integration into fieldbus systems
• High accuracy (≤ ±0.25% FS) with robust thin-film stainless steel sensor
• Compact size with excellent EMC and temperature performance

The HYDAC EDS 4400 is a compact, programmable pressure switch for high-pressure applications up to 600 bar. It offers precise switching, flexible output options (PNP/NPN), and is available in an ATEX version for hazardous areas.

Key Features:

• Measuring ranges: 40; 100; 250; 400; 600 bar
• Overload pressures: 80; 200; 500; 800; 1000 bar
• Burst pressures: 200; 500; 1000; 2000; 2000 bar

The HYDAC Electronic Pressure Transmitter HDA 4700 with shipping approvals is engineered for demanding marine environments, offering precise high-pressure measurement with robust analog output (4–20 mA). Built on a proven stainless steel design, it is fully potted for resistance to humidity, vibration, and shock, ensuring reliable operation in shipbuilding applications.

Key Features:

• Maritime certified: ABS, Lloyd’s, DNV, GL, Bureau Veritas
• Fully potted electronics for moisture and shock protection
• Accurate 4–20 mA output with robust thin-film sensor

The HYDAC EDS 4400 is a programmable ATEX-certified pressure switch for hazardous areas, with ranges up to 600 bar and high durability. It features user-settable switching points, excellent accuracy, and robust stainless steel construction.

Key Features:

• Measuring ranges: 60; 100; 250; 400; 600 bar
• Overload pressures: 120; 200; 500; 800; 1000 bar
• Burst pressure: 300; 500; 1000; 2000; 2000 bar

The HYDAC Electronic Pressure Transmitter HDA 4800 is a high-precision sensor designed for demanding applications in test rigs, diagnostics, and industrial systems. With exceptional accuracy and stability, it delivers reliable performance even under varying temperature conditions.

Key Features:

• High accuracy: ≤ ±0.125% FS
• Minimal temperature error
• Robust sensor with excellent long-term stability

The HYDAC HDA 7400 is a compact, high-performance pressure transmitter designed for demanding OEM and mobile applications. Featuring a robust stainless steel sensor cell and thin-film strain gauge technology, it delivers reliable pressure monitoring across a wide range of operating conditions.

Key Features:

• Precision accuracy of ≤ ±0.5% FS with minimal temperature error
• Compact, rugged design ideal for space-limited or harsh environments
• Wide pressure range options (0–40 bar to 0–600 bar) with excellent EMC performance

The HYDAC EDS 4400 with flameproof enclosure is a programmable pressure switch approved for ATEX, CSA, and IECEx, ideal for global use in explosive environments. It offers high accuracy, robust stainless steel design, and easy programming via the HPG 3000 unit.

Key Features:

• Measuring ranges: 6; 16; 40; 60; 100; 250; 400; 600; 1000 bar
• Overload pressures: 15; 32; 80; 120; 200; 500; 800; 1000; 1600 bar
• Burst pressure: 100; 200; 200; 300; 500; 1000; 2000; 2000; 3000 bar
• Voltage supply: 12 .. 30 V DC

The HYDAC HDA 7446 is a compact, durable pressure transmitter designed for OEM and mobile applications, offering reliable performance under demanding conditions. Built around a robust strain gauge sensor cell, it ensures high accuracy and long service life across a wide pressure range.

Key Features:

• High measurement accuracy (≤ ±0.5% FS) with minimal temperature deviation
• Compact, rugged construction ideal for mobile and industrial environments
• Versatile output signals (4–20 mA or 0–10 V) for easy PLC integration