Endress+Hauser Digital Recorder eco-graph c Betriebsanleitung Seite 132

Technical Data
132
10.7.3 Materials
Front frame / door made of metal die-cast, abrasion-proof matt chrome coating
Extended diaphragm seal / rear panel: galvanized sheet metal
Protective glass plate in front of display
10.8 Human interface
10.8.1 Display elements
Display: STN colour graphic display with 126 mm screen diagonal (5"), 76,800 pixels
(320 x 240)
Display modes (signal grouping of channels, i.e. 10 groups of 10 channels): graphic
signal display of digital channels, digital combinations and relay statuses. Digital
display, event list (limit values / power failure), history display in curve form with display
of digital statuses, date and time, overview window, device information such as memory
information.
Signal analysis: quantities, operating times, display of the last 7 evaluations
(intermediate, daily, monthly or annual evaluations) directly at the device.
10.8.2 Saving data
Data storage:
• Selectable memory cycle 1s / 2s / 3s / 4s / 5s / 10s / 20s / 30s / 1min / 2min / 4min /
5min.
• Permanent storage of the set device parameters in the internal Flash memory (non-
volatile)
Internal memory:
• Buffering ≥10 years for program / measured value memory (Flash memory, non-
volatile), internal memory 1024 or 2048 kSRAM
• Permanent storage of the set device parameters in the internal Flash memory (non-
volatile)
External memory:
• Cyclic copying of the measured data for archiving on 3.5" / 1.44 MB disk
10.8.3 Real time clock
Switchable summer / normal time automatic
Buffering ≥4 years (at ambient temperature of 15 to 25 °C / 59 to 77 °F)
10.9 Certificates and approvals
10.9.1 CE mark
The measuring system meets the legal requirements of the EC directives. The
manufacturer confirms successful testing of the device by affixing the CE mark.
Digital Recorder