HYDAC HDA 4744-A-400-104 – Relative Pressure Transmitter
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Relative pressure transmitter from HYDAC Electronic GmbH, HDA 4700 series, modification 104. Features a thin-film strain gauge measurement cell on a stainless steel membrane for precise and robust pressure measurement. The 4–20 mA 2-wire output is directly compatible with all common PLC control and evaluation systems. Designed for demanding hydraulic and pneumatic applications in mobile and industrial environments. Note: modification 104 is non-standard — refer to the device nameplate for full specification details.
Available in stock — ships within 24 hours after payment.
Product overview
| Part number | HDA 4744-A-400-104 |
| Material No. | 908774 |
| Manufacturer | HYDAC Electronic GmbH |
| Series | HDA 4700 |
| Modification | 104 — non-standard (refer to device nameplate) |
| Pressure type | Relative (gauge) pressure |
| Measuring range | 0 to 400 bar |
| Overload pressure | 800 bar |
| Burst pressure | 2,000 bar |
| Output signal | 4–20 mA, 2-wire |
| Accuracy (terminal based) | <= ±0.25 % FS typ. / <= ±0.5 % FS max. |
| Supply voltage | 10 to 30 V DC (2-wire) |
| Current consumption | <= 25 mA |
| Mechanical connection | G1/4 A ISO 1179-2 (tightening torque: 20 Nm) |
| Electrical connection | Plug Binder series 714 M18, 4-pole |
| IP rating | IP65 (Binder 714 M18, per DIN EN 60529) |
| Operating temperature | −25 to +85 °C (standard) / −40 to +85 °C (on request) |
| Storage temperature | −40 to +100 °C |
| Vibration resistance | <= 200 m/s² (10–500 Hz), DIN EN 60068-2-6 |
| Shock resistance | <= 100 g / 6 ms, DIN EN 60068-2-27 |
| Long-term drift | <= ±0.1 % FS typ. / year |
| Life expectancy | > 10 million load cycles (0–100 % FS) |
| EMC | 2014/30/EU — EN 61000-6-1/2/3/4 |
| Certifications | CE, UKCA, cULus |
| Weight | ~150 g |
| Condition | New in original packaging (OVP) |
Applications
- Industrial and mobile hydraulic systems requiring precise pressure monitoring
- Pneumatic pressure measurement and control in automation systems
- PLC-based measurement and evaluation via standard 4–20 mA input
- High-pressure test stands and hydraulic power units
- Machine tools, heavy equipment, and process engineering
Shipping
- Ships within 24 hours after payment
- Secure packaging for safe delivery
- Free delivery within Germany
Warranty & compliance
- 12-month warranty included
- Product is fully compliant with EU industry standards (CE, UKCA, cULus certified)
- VAT invoice included with every order
(GPSR (EU) 2023/988): Contact us at info@liquisto.com for Manufacturer/EU Responsible Party product safety contact details.
