Fan safety KR -939B4 type monitor

Fan safety KR -939B4 type monitoris the companyKR-939A four channel intelligent panel mounted digital measurement and control instrument of the family It can conveniently connect withKR-939SB4Type integrated four parameter combination probe matching Realize the reduction of fan gearboxX Y ZMonitoring of vibrations in three orthogonal directions and monitoring of lubricating oil temperature inside the gearbox Therefore, it is very suitable for various types of large Medium sized rotating machinery and sports equipment, such as fans water pump speed reducer bearing housing Rolling friction bodies, etc Conduct comprehensive online monitoring of vibration safety and temperature rise safety

This instrument can also be used as a universal four channel digital display meter Compared to other types4 20mAProbe or transformer for signal output

Connect the transmitter for use, such as vibration temperature pressure differential pressure Liquid level, etc Construct monitoring systems with various ranges and specifications

Main functional features

1，4 20m AIndustrial standard signal input Provided in the table24Vpower feed The on-site probe does not require an additional power supply

2Four channel anti-interference remote transmission input zero point Range digital setting

, threeFour rows and four positionsLEDdigital display Can display engineering measurement values of four input channels simultaneously

4 four-channel pre-alarm and Parking alarm Two level numerical setting reportjingMethod selection

5 Alarm relay electrical contact output Alarm hold function selection Convenient to form parking interlock control

6 Four channel analog signal isolated transmission output Free docking with other instruments or computer data acquisition systems

7 Serial digital communication isolation interface Convenient for upper computer network management

8Internally, a single-chip microcomputer with * is used as the main control And fewer peripheral components improve reliability

9 Using digital filteringW ATC H D O Gmultiple redundancy Power failure protection Technologies such as wide voltage switching power supply tool

Wide applicability and high resistance

Main technical indicators

1 basic error0. 2 FSor 1a character

2 Display resolution Four rows and four positionsLEDseven-segment display

3 input signal standard4 20m ACurrent input

4 alarm output pre-alarm and Parking alarm Two level dual group Normally Open normally closed Relay electrical contact

output Contact capacitanceAC 220V/ 2AIndependent setting of alarm values for each channel Or disable

5 analog output option 12 bitD / Afour-channel(共地)Isolation transmission output4 20m ALoad electricity

block 500 or0 10m Aor1 5Vor0 5Voutput

6 communication interface option Isolation serial communicationR S-485Baud rate300 9600bpsinternal setting

7 Feed outputD C 24V/ 200m A

8 power supplyAC 85V 265V/ 10W

9 ambient temperature0 50

10 ambient humidity<85 R H

Installation wiring

1Overall dimensions80m m 160m m 125m mwide tall deep

2 Disk mounting hole size76+0. 7 m m 152+0. 7 m m

3andKR -939SB4Integrated 3D vibration and temperature probe Typical wiring can be found in image 2

(The simulated output and communication interface options in the figure must be declared at the time of ordering)

Fan safety KR -939B4 type monitor