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Measuring transducer E858

Frequency measuring transducers. Desired range of frequencies can be selected by jumper.

Description E858

Technical characteristics:

Type Input parameters Iout.,

Pconsump. for measured circuit, VA

Accuracy class
F, Hz* Unom, V U, V
1 Е858А1 49..51, 48..52, 45..55, 59..61, 58..62, 55..65 100 85..115 0..5 not more than 2 0,02
2 Е858А2 220 187..253 0..5
3 Е858В1 100 85..115 4..20
4 Е858В2 220 187..253 4..20
5 Е858С1 100 85..115 0..20
6 Е858С2 220 187..253 0..20

Dimentions 70х80х77 mm
Weight not more than 0,5 kg.
Power supply – from measured circuit.
Time of setting output signal in case of input signal hopping to any value in measured range – not more than 0,5 s.
Time of setteng working condition – not more than 30 min.
Worktime between failures – not less than 50 000 h.
Average lifetime – not less than 10 years.


*Measured frequency range is selected by user with help of a cross-piece according to his needs.

Е858 indexes:

А - output current (0..5) mA
В - output current (4..20) mA
С - output current (0..20) mA


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