8 Technical data
8.1 Technical data
Data SILENO city smart SILENO city
Dimensions
Length, cm 55 55
Width, cm 38 38
Height, cm 23 23
Weight, kg 7.3 7.3
Electrical system SILENO city smart SILENO city
Battery, Lithium-Ion 18 V/2.1 Ah Art.No 584 85 28-01, 584 85 28-02
Power supply, V/28 V DC 100-240 100-240
Low voltage cable length, m 5 5
Mean energy consumption at maximum use 3.9 kWh/month in a 500 m
2
working area
3.9 kWh/month in a 500 m
2
working area
Charge current, A DC 1.3 1.3
Average mowing time, min 60 60
Average charging time, min 60 60
Boundary wire antenna SILENO city smart SILENO city
Operating Frequency Band, Hz 300-80000 300-80000
Maximum Radio-frequency power, mW @60m
1
<25 <25
Noise emissions measured in the environment as sound
power
2
SILENO city smart SILENO city
Measured sound power noise level, dB (A) 56 56
Noise emissions uncertainties K
WA
, dB (A) 2 2
Guaranteed sound power noise level, dB (A) 58 58
Sound pressure noise level at the operator’s ear, dB (A)
3
45 45
The noise emission declarations conforms to EN 50636-2-107:2015
Mowing
SILENO city smart SILENO city
Cutting system 3 pivoted cutting blades
Blade motor speed, rpm 2500 2500
Power consumption during cutting, W +/- 20 % 20 20
Cutting height, cm 2-5 2-5
Cutting width, cm 16 16
Narrowest possible passage, cm 60 60
Maximum slope for cutting area, % 25 25
Maximum slope for boundary wire, % 10 10
1
Maximum active output power to antennas in the frequency band in which the radio equipment operates.
2
Noise emissions in the environment measured as sound power (L
WA
) in conformity with EC directive
2000/14/EC. The guaranteed sound power level includes variation in production as well as variation from the
test code with 1-3 dB(A).
3
Sound pressure noise uncertainties K
pA
, 2-4 dB (A)
367 - 004 - 16.02.2018 Technical data - 51