Data logger
ESS3 A1
Data logger with an axial sensor
The ESS3 A1 series devices measure pressure in water networks and are suitable for short-term measurements for fault localization as well as for long-term monitoring.
Other applications include the validation of pipe network calculations and the documentation of leakage tests according to DVGW W400-2.
Measurement parameters
- Absolute pressure
- Temperature
-
Extremely robust for field use
(Ex-approval + IP68)
- Self-sufficient long-term operation (battery + memory)
-
Contactless data readout
(IrDA)
Typical applications
The ESS3 A1 is particularly suitable for:
Fault analysis in the gas network
Long-term monitoring in water networks
Pipeline network calculation
Leak testing G469 / W400-2
Sensor
The sensor is the metrological link to the application.
Performance and user-friendliness are therefore paramount:
Sensor replacement by the user is possible and immediately ready for operation without recalibration
Stainless steel encapsulated, piezoresistive sensor with high long-term stability, resistant to aggressive media
High resolution of measured values; multiple measuring ranges possible for a single sensor
Measurement of media temperature
High measuring rates due to high natural resonant frequency, making it ideal for measuring pressure surges
High overpressure safety and high burst pressure
Sensibly graded fixed and user-definable measuring ranges and various accuracy classes up to ± 0.05% of the F.S. (Full Scale)
Technical Data
| Anwendung | Messung und Speicherung von Drücken in der Wasserversorgung zur Überwachung und Störungsanalyse; Validierung von Rohrnetzberechnungen |
| Sensoranschlüsse | Ein radialer Sensoranschluss (M30) zur Aufnahme von einem Drucksensor |
| Ex-Schutzklasse | Ex II 2G Ex ib IIC T4 Gb |
| Schutzklassen, Gehäuse | Abhängig vom Sensor: IP 67 bei Relativdruck, IP 68 bei Absolutdruck; B x H x T [mm]: 108 x 108 x 134; Gewicht [kg]: 1,2 |
| Messbereiche Drucksensoren | Absolutdruck: 0 … 2,5/10/25/100 bar; Relativdruck und weitere Messbereiche auf Anfrage |
| Messbereiche Temp. Sensoren | -20 °C … +40 °C (interner Temperatursensor) |
| Initiale Messgenauigkeit | Abhängig vom Sensor (bis zu 0,05 % MBE) |
| Auflösung | Bis zu 0,004 % MBE |
| Kommunikations-Schnittstellen | IrDA; Display; Tastatur |
| Betriebsdaten | Batteriebetrieb bis zu 8 Jahre |
| Displayanzeige | Ist-Wert; Maximum- und Minimum-Wert sowie Differenzwert; Speicherauslastung und Batteriestatus |
| Einstellungen | Uhrzeit und Datum; Obere und untere Alarmschwelle; Mittelung (2 … 600 Werte); Auflösung; Messortname (29 Zeichen); Speicherverfahren (rollierend/statisch) |
| Bedienung | Mittels Menü über Tastatur; Mittels TfsWin III-Software über IrDA-Schnittstellenkabel |
| Speicherung | 250.000 Datum-Zeit-Werte / 512 kB |
| Typische Reichweite | 2 Jahre (durch Datenkompression) |
| Software | TfsWin III für Parametrierung, Darstellung, Analyse und Archivierung der Daten |
Services
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Downloads
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