ДВТ20Ex, Eddy-current sensor

Description

Датчик вихретоковый в цилиндрическом корпусе М16*1 во взрывозащищенном исполнении 1ExibIIBT3 GbX для бесконтактного измерения смещения в диапазоне от 0 до 4 мм при температурах от -40 до +180°C.
Применяется с преобразователем измерительным ИП34Ех в каналах контроля измерения осевого сдвига ротора, смещения деталей и узлов совместно с контроллерами аппаратуры "Вибробит 300" и "Вибробит 500".

Proximity sensor in a cylindrical housing for non-contact measurement of displacement in range 0 – 4 mm at temperatures from –40 to +180 °C (explosionproof version 1ExibIIBT3 GbX).

Designed for use with the Converter ИП34Ex in the channels for measuring rotor axial displacement.

Used together with the controllers of the "Vibrobit 300" and "Vibrobit 500" systems.

Key features:

cylindrical housing
high-temperature range
explosionproof version 1ExibIIBT3 GbX

Specifications

Measurement principle	eddy-current
Measured parameter	displacement
Compatibility with transducers	Converter ИП34Ex
Measurement range	0 – 4 mm (displacement)
Frequency range	-
Zero air gap	1.0±0.1 mm
Explosion protection	Yes
Type of explosion protection	Intrinsically safe electrical circuit "i"
Explosion protection marking	1Ex ib IIB T3 Gb X
Special explosion protection requirements	Connection via intrinsically safe barriers Installation in an explosion-proof converter box
Registry number	50585-12
Limits of permissible basic measurement error, %	±2.0 (displacement)
Calibration interval, years	2
Output type	-
Load resistance, Ohm (max)	-
Connection diagram (number of lines)	-
Power supply voltage range, VDC	-
Current consumption, (max) mA	-
Operating temperature range, °С	from −40 to +180
Housing index of protection according to GOST 14254	IP67
Resistance to external influencing factors GOST 30631–99	M5
Transducers connection type	РС7ТВ
Overall dimensions, mm	М16*1 cylindrical housing
Service life, years (min.)	10
Warranty period, months	24
MTBF, hours	150 000

Applications

Measurement parameters of displacement in combine with Converter ИП34Ех at steam, gas and hydraulic turbine units, turbocompressors, centrifugal pumps and other machines during their operation.

The sensor can be used both independently and as part of the measurement channels of the plant's SCADA systems.