5 Housing, control and display elements
5.1 Overview
1 2
8
4
7
5 6
3
9 10 11 12
12
13 14 15
16 17
18
19
20
Figure 2: Housing, control and display elements
No.
Designation
1
Hinged terminal cover
2
LC Display
3
Lead seal hole
4
Neuron ID number (only on meters with LON interface)
5
Protection class II
6
Power network and load classification
7
See enclosed pack
8
Backstop or two-direction meter (
)
9
EC prototype certificate
(consisting of:
1st line: Test certificate number
2nd line: Temperature key, CE label, metrology sign +
Year of conformity assessment, name of the approval body)
or national approval symbol (e.g.. PTB: )
10
Slot for measuring transformer plate
11
Year
12
Push button for operating the meter
13
Hinged terminal cover
14
Serial number
15
Barcode
16
Test LED
17
Model designation / key
18
Impulse constant of the LED and of the output
19
Voltage, current, frequency and accuracy class
20
Circuit number
xx.xx
xx.xx
Table 2: Housing and display elements
