Dual channel vibration monitoring instrument SDJ-3L/g

I. Overview

Dual channel vibration monitoring instrument SDJ-3L/gLong term and reliable monitoring of absolute bearing vibration in rotating machinery, identifying machine condition, damage, and developing damage in the form of fault symptoms during machine operation. The information transmitted by mechanical vibration is one of them, and almost all mechanical failures will produce excessive vibration. Among all types of vibration, absolute bearing vibration is the easiest to measure, referring to the rapid vibration of the casing (bearing shell and bearing seat) relative to a fixed reference point in space. Therefore, monitoring absolute bearing vibration is a common practice in most rotating machineryzuiBasic andzuiExtensive protection measures.

2、 Technical Description

●Input:

sensor input vibration sensor

Input points 2point

●Measuring range:

Vibration amplitude0-1000umAdjustable arbitrarily

vibration severity0-50.0mm/sAdjustable arbitrarily

●input/Output conversion accuracy (including sensors):

Log output±1.0% 25℃

digital display±1.0% 25℃

frequency response10HZ~1KHz

●Record output:4~20mA(Load)≤500Ω）；

●Buffer output The sensor signal is buffered and amplified before being output from the rear panel terminal

●report Police:

Alarm relay output 4Group normally open relay (two-way alarm, stop)

Contact capacity250VAC/3Aor30VDC/3A

●ring Environment:

Operating temperature -20℃ ～ 70℃

Storage temperature -30 ～ 85℃

relative humidity 20 ～95%No condensation

●working power supply: 220VAC±10%，50HZ

●power waste:≤10W

Dual channel vibration monitoring instrument SDJ-3L/gIt is a new generation of intelligent dual channel vibration monitoring instrument. Mainly used to monitor the vibration of industrial rotating machinery equipment caused by rotor imbalance, misalignment, loose parts, damaged rolling bearings, gear damage, etc., such as casing vibration, bearing vibration, frame vibration, etc. At the same time, it can also monitor the relative vibration of rotating machinery, such as shaft vibration, swing degree, etc., and output the intensity and amplitude data of the vibration.

　 The SDJ-3L/g intelligent vibration monitoring device can receive signals from non-contact eddy current sensors, piezoelectric vibration velocity sensors, piezoelectric acceleration sensors, magneto electric vibration velocity sensors, etc. At the same time, it has multiple external systems（PLCSystemDCSSystem andBASThe interface capability for data communication, such as: 4～20mAAnalog output interface, two-level switch output interface, total alarm danger output interfaceRS485Digital communication interface andTDMReal time buffer signal output interface, etc., to meet the measurement requirements of different industrial field devices.

　 The SDJ-3L/g intelligent vibration monitoring instrument is digitized, with good stability, high accuracy, human-machine friendliness, and easy and reliable maintenance.