Electronic pressure switches offer a multitude of advantages in comparison with mechanical pressure switches and contact manometers. They convince though greater accuracy, freedom from wear, long-term stability, simpler operation and the high number of switching cycles, among other things.
Type series
without measurement value display
- EDS 4000, for and stationary hydraulics, set ex-works or programmable,
depending on the version for explosion-hazard environments with ATEX, CSA, IECEx approval - EDS 810 for OEM applications in the the industrial and sectors, factory preset,
with ECE type approval for public road traffic, optionally with IO-Link interface - EDS 710, for series applications in industrial and sector where the dimensions of the cavity are tight, extremely small, compact design, set ex-works
- EDS 410, for OEM applications, factory preset or programmable
with measurement value display
- EDS 8000, menu navigation in accordance with VDMA, 1 or 2 PNP transistor switching outputs,
4-character digital display, multi-colour switching display, IP-rating 67 - EDS 3000, rotatable in longitudinal axis and display, 4-char. LED display, display in bar, psi
or MPa, adjustable per button, depending on the version
- Desina conformance
- with front-flush diaphragm - EDS 300, 3-character LED display, adjustable via foil keyboard
- EDS 300, for shipbuilding and offshore, with approval from
- American Bureau of Shipping
- Lloyds Register of Shipping
- Det Norske Veritas
- Germanischer Lloyd
- Bureau Veritas - EDS 601, manometer or front panel installation device, 4-character LED display,
2 relay outputs, adjustable via foil keyboard - EDS 1700, 4 relay outputs, 4-character LED display, many auxiliary functions,
adjustable via foil keyboard
Technology
- Thick-layer DMS on ceramic diaphragm (low-pressure range)
- Thin film DMS on stainless steel diaphragm (low-pressure and high-pressure ranges)
Standard pressure ranges
- Between 0 ... 1 and 0 ... 600 / 1000 bar relative pressure, depending on the version
- Up to 2.5 bar absolute pressure
- Adjustment also in PSI and MPa
- Other pressure ranges and special adjustments also upon request
Overview of pressure switches
| EDS | 3400 | 3300 | 3100 | 300 | 8000 | 601 | 1700 | 4400 | 4300 | 4100 | 820 | 810 | 710 | 410 |
| Accuracy (max.) | 1,0 | 1,0 | 1,0 | 1,0 | 1,0 | 1,0 | 0,5 | 1,0 | 1,0 | 1,0 | 1,0 | 1,0 | 1,0 | 1,0 |
Low pressure range (up to 40 bar) | | X | X | X | X | X | X | | X | X | X | | X | X |
High pressure range (from 40 bar) | X | | | X | X | X | X | X | | | X | X | X | X |
| Relative pressure | X | X | | X | X | X | X | X | X | | X | X | X | X |
| Absolute pressure | | | X | | | | | | | X | | | | |
| Switching outputs | 2 | 2 | 2 | 2 | 2 | 2 | 4 | 2 | 2 | 2 | 2 | 2 | 1 | 2 |
| Analogue outputs | X | X | X | X | | X | X | | | | | | | |
| Digital display | X | X | X | X | X | X | X | | | | | | | |
| Programmable | X | X | X | X | X | X | X | X | X | X | X | | | |
| Pre-set | | | | | | | | X | X | X | | X | X | X |
| DESINA compliant | X | X | X | | | | | | | | | | | |
| VDMA Menu navigation | X | X | X | | X | | | | | | | | | |
| Single pieces available | X | X | X | X | X | X | X | X | X | X | X | | | |
| OEM products | | | | | | | | X | X | X | | X | X | X |
Flush membrane | X | X | | | | | | | | | | | | |
| IO-Link-Interface | X | X | X | | | | | | | | X | | | |
| ECE type approval (approved for road vehicles) | | | | | | | | | | | | X | | |
| For potentially explosive atmospheres | | | | | | | | X | X | X | | | | |
| Approvals for Shipping | | | | X | | | | | | | | | | |
UL Specification | X | X | X | | X | | | | | | | X | | |
Remark: Not all the features can be freely combined with each other, please take the precise information from the corresponding datasheet