Endress+Hauser Digital Recorder eco-graph c Betriebsanleitung Seite 130

Technical Data
130
10.5 Installation
10.5.1 Orientation
Position of use as per DIN 16 257, NL 90 ± 30
10.5.2 Installation instructions
(Panel cutout / panel mounting see chapter 3)
10.6 Environment
10.6.1 Emission EN 61326
Class A (operation in industrial environment)
10.6.2 Ambient temperature range
0 to 50 °C (32 to 122 °F)
10.6.3 Storage temperature
-20 to +70 °C (-4 to +158 °F) (10 to 75% rel. moisture without condensation)
10.6.4 Climate class
As per EN 60654-1: B1
10.6.5 Degree of protection
Front-mounted IP 54 (EN 60 529, Cat. 2)
Rear-mounted IP 20 (EN 60 529, Cat. 2)
Field housing IP 65
10.6.6 Electromagnetic
compatibility (EMC)
Interference immunity: EN 61 326-1
NAMUR recommendation NE21:
- ESD (electrostatic discharge): EN 61 000-4-2 severity 3 (6/8 kV)
- electromagnetic interference fields: EN 61 000-4-3: severity 3 (10 V/m)
- Burst (quick transient interference variables): EN 61 000-4-4 severity 3 (1 kV signal, 2
kV mains)
- Surge on power cable: EN 61 000-4-5: 2 kV unsymmetrical, 1 kV symmetrical
- Surge on signal cable: EN 61 000-4-5: 1 kV unsymmetrical
(with external protection element DI power supply unit Kl ±91 to 94)
- Mains interruptions EN 61 000-4-11: > 20 ms
10.7 Mechanical construction
Digital Recorder