ECOTEST SPECTRA MKS-11GN Operating Manual page 13

1.2.25 The quasi-peak value of the radio interference field
intensity at a distance of 3 m from the device does not surpass the
values for class B equipment according to DSTU EN 55011:2014.
1.2.26 Mean time to failure is not less than 6000 h.
1.2.27 Mean time to full repair is not less than 10 000 h.
1.2.28 The mean service life of the device is at least 10 years
(with the built-in battery being replaced every 5 years).
1.2.29 The average shelf life of the device is at least 10 years
(with the built-in battery being replaced every 5 years).
1.2.30 Mean time to repair of the device, excluding the delivery
time of spare parts, is not more than 3 hours.
12