Data logger
ESS3 S4
Data logger station with four sensors
The ESS3 S4 series devices are used to record pressure and temperature in gas pressure regulating and metering stations.
They are also suitable for measuring points without a power supply where up to four measured values must be recorded over the long term.
Measurement parameters
- Relative pressure
- Absolute pressure
- Differential pressure
- Barometric pressure
- Temperature
- Alarm contacts (SAV, door, …)

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Extremely robust for field use
(Ex-approval + IP68)
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Autonomous long-term operation
(battery + memory)
- Easy connection to MODEM2024
Typical applications
The ESS3 S4 is particularly suitable for:
Monitoring in gas pressure regulating and measuring systems
Monitoring in water pumping stations
Stationary monitoring tasks
Features

Up to four freely configurable sensors for pressure and temperature
Up to six inputs for alarm contacts (e.g., SAV, odor, door contacts, …)
Large data memory, efficiently utilized through data compression, allows data to be stored for several years
Long battery life for multi-year operation without battery replacement
Easy operation via device buttons/display
Optical data interface to the PC
Powerful PC analysis software
Explosion protection, Zone 1
Technical Data
| Application | Measurement and Storage of Data (Pressure and Temperature) for Monitoring Gas Pressure Control Systems |
| Sensor Connections | Up to four sensor connections (M30) for connecting pressure or temperature sensors; up to six binary inputs (Reed, NAMUR) |
| Explosion Protection Class | Ex II 2G Ex ib IIC T4 Gb |
| Protection Classes, Housing | IP54; W × H × D [mm]: 286 × 169 × 99; Weight [kg]: 3.5 |
| Pressure Sensor Measurement Ranges | Gauge Pressure: 0 … 100/250 mbar and 0 … 1/2.5/10/25/100 bar; Differential Pressure: 0 … 100 mbar, 0 … 1/10 bar; Additional measuring ranges available on request |
| Temperature Sensor Measurement Ranges | -10 °C … +40 °C and -30 °C … +150 °C; Additional measuring ranges available on request |
| Measurement Interval | 500 ms … 6 h |
| Initial Measurement Accuracy | Depending on the sensor (up to 0.05% FS) |
| Resolution | Up to 0.004% FS |
| Communication Interfaces | IrDA; Display; Keypad |
| Operating Data | Battery operation up to 10 years |
| Display Information | Current Value; Maximum and Minimum Value as well as Differential Value; Memory Usage and Battery Status |
| Settings | Time and Date; Upper and Lower Alarm Threshold; Averaging (2 … 600 values); Resolution; Measurement Location Name (29 characters); Storage Method (rolling/static) |
| Operation | Via menu using keypad; via TfsWin III software using IrDA interface cable |
| Data Storage | 2,000,000 date-time values / 512 kB |
| Typical Range | 2 years (through data compression) |
| Software | TfsWin III for parameterization, visualization, analysis and archiving of data |
Service
We will answer your questions in the administrative and commercial area.
+49 721 680381-30
Support
For technical support for your product, you can open a support ticket.
Sales
The sales department is your central contact for product inquiries and quotation preparation.
+49 721 680381-20
Downloads
Here you will find various downloads to support you.
Brochures, data sheets and application reports – we have all the relevant information for you here.
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