Technical data
76
10.4 Performance characteristics
10.4.1 Reference operating conditions
Ambient temperature: 25 °C ± 5 K (77 °F ± 9 °F)
Air humidity: 55 % ± 10 % r.h.
10.4.2 Maximum measured error
See Inputsee Section 10.1.1
10.4.3 Temperature drift
Cu100, Cu50, Cu53, Pt46 and Pt50: max. ± 0.02 %/K (of measuring range)
All other ranges: max. ± 0.01 %/K (of measuring range)
10.4.4 Long-term drift
To IEC 61298-2: max. ± 0.01 %/month (of measuring range)
10.5 Installation conditions
10.5.1 Orientation
Position of use as per DIN 16 257, NL 90 ± 30°
10.5.2 Installation instructions
(Panel mounting, see Section 3)
• Installation depth: approx. 171 mm (6.73 inch) (incl. terminals and fastening clips)
• Panel cutout: 138
+1
x 138
+1
mm (5.43
+0.04
x 5.43
+0.04
inch)
• Panel thickness: 2 to 40 mm (0.08 to 1.57 inch)
• Maximum point of view range: From the display center 50° to the left and right, 20° upward, 30°
downward.
• Securing to DIN 43 834
10.6 Environment
10.6.1 Ambient temperature range
0 to 50 °C (32 to 122 °F)
10.6.2 Storage temperature
-20 to +60 °C (-4 to 140 °F)
10.6.3 Relative air humidity
0 to 50 °C (32 to 122 °F), max. 75% humidity without condensation.
10.6.4 Climate class
To IEC 60654-1: B1
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