7SR21 & 7SR22 Performance Specification
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1.4.2 Emissions
IEC 60255-25
1.4.2.1 Radiated Radio Frequency
Type Limits at 10 m, Quasi-peak
30 MHz to 230 MHz
40 dB(mV/m)
230 MHz to 10000 MHz
47 dB(mV/m)
1.4.2.2 Conducted Radio Frequency
Type
Limits
Quasi-peak Average
0.15 MHz to 0.5 MHz
79 dB(mV) 66 dB(mV)
0.5 MHz to 30 MHz
73 dB(mV) 60 dB(mV)
1.4.3 Immunity
1.4.3.1 Auxiliary DC Supply Variation
Quantity Value
Allowable superimposed ac component
£ 12 % of DC voltage
Allowable breaks/dips in supply
(collapse to zero from nominal voltage)
£ 20 ms
1.4.3.2 High Frequency Disturbance
IEC 60255-22-1 Class III
Type Level Variation
Common (longitudinal) mode 2.5 kV
£ 5 %
Series (transverse) mode 1.0 kV
1.4.3.3 Electrostatic Discharge
IEC 60255-22-2 Class IV
Type Level Variation
Contact discharge 8.0 kV
£ 5 %
1.4.3.4 Radiated Immunity
IEC 60255-22-3 Class III
Type Level Variation
80 MHz to 1000 MHz 10 V/m
£ 5 %
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