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electronic measuring devices,
rotational speed measurement
This divice mainly applies to rotating speed measuring and rotating over-speed proteation of rotating mechanisms, it has a 2-out-of-3 protecting mechanism. 2out-of-3 means that: this device recevies 3 mutually indepent rotating speed signals, if any two of them exceeds a predetermined tripping threshole, this device will send a trip signal, and sound an alarm. This device has multiple hardware filter processing, 3 power sourses, whitch have greatly inproved anti-jamming capavility, reliabitity and stablity of this device. It has a mensuring accuracy of 1 r/min. It also has password protection, power off protection, tooth number configuration, and other functions. It is suitable for on -line monitoring for a long time, and needs no site maintenance.
1.Highly Intellignet, all parameters can be set on a control panel.
2.Suitable for on-line monitoring for a long time, easy to install and debug, needing no site maintenance.
3.With a modular struture, this device consists of 1 decision making module and 3 user modules, it has 2-out-of-3 machanism.
4.Decision making module has 3 level alarm switch output.
5.4~20mA analog current output
6.Free configurations of measuring range, alarm and danger value.
9.Automatic record and inquirie of maximum sample value.
1.Display mode: Digital LED display.
2.Measuring range:0~9999 r/min.
3. Measuring accuracy: ±1 r/min
4.Tooth number: Any number between1~120(factory number 60)
5.Input signals: 3 CS-3 sensor signals, 3 CWY-DO-Φ8mm eddy current sensor signal, 3 CS-1 sensor signals
6.Output signals:Current output 4~20mA(load≤1KΩ)
PULSE signal output(12V peak-peak)
User module: 2 level switch output DC 27V/2A or AC 250V/5A
Decision making module: 3 level switch output: DC 27V/2A or AC 250V/5A
7.Environmental temperature: -10~65℃(Relative humidity: ≤85％)
8.Power voltage: AC 220V/50Hz±10％
10.Externsl dimension: 258mm(length)×161.5mm(height)×260mm(depth)
11.Hole size : 227mm(length)×140mm(height)