Description

• Power Consumption :3.2 Watts typical
• Input Impedance :21.8 k Ω minimum
• Speed/ Frequency Signal Accuracy :Specified at +25°C (+77°F)
• Nonprocessed Signals :0.017 to 100 Hz … ±1 cpm 101 to 500 Hz … ±8 cpm 501 to 20 kHz … ±1% of cpm
• Hysteresis :User-selectable from 0.2 to 2.5 Volts.
• Output Impedance :504 Ω maximum buffered output impedance.

Frequently Asked Questions About 3500/20 125744-02

1.What is the main function of the 3500/25 Keyphasor Module?

The primary function of the 3500/25 Keyphasor module is to provide a keyphasor signal,

which is used to monitor the speed and phase information of rotating equipment. This module identifies the critical

position of the rotating shaft in each revolution to assist with vibration analysis and machinery fault diagnostics.

2.How is the module installed in the 3500 series system

The 3500/25 Keyphasor module can be directly inserted into the appropriate slot in

the 3500 series rack. During installation, ensure the sensor is properly connected, and

configure the relevant parameters according to the product manual.

3.Can the module monitor the phase of multiple shafts?

The 3500/25 module can be configured to support multi-channel mode, allowing it to

monitor the phase of multiple rotating shafts in multi-shaft applications.

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Bently Nevada Hot Series:​

1. 3300 XL Proximity Probe
2. 3300 Proximitor Sensor
3. 3500 Power Supply
4. 1900/65A
5. 3500/42 Monitor Module
6. The 990 Vibration Transmitter

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