KR-939B4 fan safety monitor four parameter combination probe monitor

KR-939B4 fan safety monitor is a four-channel intelligent disk-mounted digital display measurement and control instrument of the company's KR-939 family. It can be easily connected with KR-939SB4 integrated four-parameter combination probe to realize the fan. The complete monitoring of the three orthogonal directions of the reducer XYZ and the monitoring of the internal lubrication temperature of the gearbox make it ideal for all types of large and medium-sized rotating machinery and sports equipment, such as the rolling mill friction body of the fan and water pump reducer. Vibration safety and temperature rise safety online monitoring The instrument can also be used as a universal four-channel digital display meter and other probes or transmitters for various 4 20mA signal output, such as vibration temperature and pressure differential pressure level. Monitoring systems of different ranges and specifications

Main features
1,4 20m A industrial standard signal input 24V feed is provided in the table. The field probe does not need a separate power supply.
2, four-channel anti-interference far transmission into zero point range digital setting
, 3 four rows of four LED digital display can display the engineering measurement values ​​of four input channels simultaneously
4 Four-channel pre-alarm and parking alarm Two-level digital setting Alarm mode selection
5 Alarm relay electric contact output Alarm hold function selection Convenient to form parking interlock control
6 Four-channel analog signal isolated transmission output Free docking of other instruments or computer data acquisition systems
7 serial digital communication isolation interface Convenient host computer network management
8 Internal use of advanced single-chip microcomputer for master control and fewer peripheral components Improve reliability
9 Digital filtering W ATC H D O G Multiple redundancy Power-down protection Wide voltage switching power supply and other technologies Wide range of applications and high immunity to interference


Main Specifications
1 Basic error 0. 2 FS or 1 word
2 display resolution four rows of four LED digital tube
3 input signal standard 4 20m A current input
4 Alarm output Pre-alarm and parking alarm Two-stage two-group Normally open Normally closed Relay electric contact output Contact capacity AC 220V/ 2A Alarm value of each channel is set independently or disabled
5 Analog Output Option 12-bit D / A Quad (Common) Isolated Transmitter Output 4 20m A Load Resistor 500 or 0 10m A or 1 5V or 0 5V Output
6 Communication Interface Options Isolated Serial Communication R S-485 Baud Rate 300 9600bps Internal Settings
7 Feed output D C 24V/ 200m A
8 Power supply AC 85V 265V/ 10W
9 Ambient temperature 0 50
10 Ambient humidity <85 R H
Installation wiring
1 Dimensions 80m m 160m m 125m m Width High Depth
2 Panel Mounting Hole Size 76+0. 7 m m 152+0. 7 m m
3 and KR-939SB4 integrated three-dimensional vibration and temperature probe Typical wiring see Figure 2
(The analog output and communication interface options in the figure must be declared at the time of order)

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