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Product Manual WS74
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Copyright
DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg
Copies only are allowed authorized by DZG
2/22/2019
Page 8 / 37
Humidity
max. 95 %, non-condensing, EN 50470-1 and IEC 60068-
2-30
Protection properties
Isolation
4 kV AC, 50 Hz, 1min
High voltage
6 kV, Impulse 1,2/50 µs
Environmental conditions
Mechanical conditions
M1
Electromagnetically conditions
E2
Housing
Dimension
190,5 x 129,5 x 68 mm (L x W x H)
Material
fiber-glass reinforced Polycarbonate
(flame resistant EN 62053-21, recyclable)
Class of protection
II
Degree of protection
IP 51, installation in Housing with IP51
Weight
Weight
approx. 0.64kg
Table 1 Technical properties
1.3.1
Technical standards
EN 50470-3-2006: Electricity metering equipment (a.c.)-Part 3: Particular requirement-Static meters
for active energy(class indexes A, B and C)
EN 50470-1-2006: Electricity metering equipment (a.c.)-General requirements, tests and test
conditions –metering equipment(class indexes A, B and C)
[1] PTB Requirements:
[1.1] „Anforderungen an elektronische und software-gesteuerte Messgeräte und
Zusatzeinrichtungen für Elektrizität, Gas, Wasser und Wärme“,PTB-A 50.7 2002
[1.2] „Messgeräte für Elektrizität, Elektrizitätszähler und deren Zusatzeinrichtungen“,
PTB-A 20.1, Dezember 2003
[2] Legal Directives:
“Legal Metrology Guide/ general rules”, published in Federal Journal Nr. 108a on June 15
th
2002
[3] WELMEC-Guide 7.2, software guide
4
FNN-Hinweis „Lastenheft Basiszähler Funktionale Merkmale“, Version 1.3, 25.11.2016
FNN FORUM NETZTECHNIK/NETZBETRIEB IM VDE