The Rotation Speed Sensor probe CS-3 is a zero-speed measuring sensor. Generally, two zero-speed measuring probes (one for use and one for standby) are installed in the unit, which are mainly used to accurately monitor the speed of large turbine when turning the turbine to zero, and accurately monitor the speed of large engine to 2 decimal places. Compared with other speed probes of the steam turbine at 3000 rpm, the sensitivity of this probe is greatly improved. The CS-3 speed sensor is not protected. When one zero-speed probe fails, the other standby probe can be put into operation quickly to realize accurate monitoring of the speed during turning. It is installed between the main oil pump and thrust bearing at the turbine head. Generally, the thermal measuring point supplies power to the board through 220V UPS power supply. After internal conversion, the card provides 24V power to the preheater. The proximate and probe are connected to the probe through a line, and the measurement signal is fed back to the card through the proximate, and then transmitted to the steam turbine TSI system.
Technical parameters
| Working Voltage | DC12~30V | Measurement Accuracy | ± one pulse |
| Speed Range | 1~14000 rpm (1~3 teeth);
1~4000 rpm (4~60 teeth) |
Insulation Resistance | ≥ 50MΩ |
| IP Code | IP65 | ||
| Output Signal |
Square wave (high level similar to power supply voltage, low level < 0.7V) |
Trigger Form |
Steel gear, rack or other soft magnetic and hard magnetic materials |
| Output Mode | PNP type output | Working Temperature | -20℃~70℃ |
| Tooth Thickness | ≥ 15mm | Working Humidity |
< 95% (non-condensing) |
| Standard | JB/T 7814-1995. | Power Characteristics | Active |
Ordering Code
CS - 3 - □□□ - □□ - □□
A B C
Code A: Sensor length (default to 100 mm)
Code B: Thread
01: Customized 04: M16x1 05: M18x1
Code C: Cable length (default to 2 m)
Note: any special requirements not mentioned in above codes, please specify when ordering, or contact us directly.
Rotation Speed Sensor probe CS-3 Show
