Sensors |
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Other Sensors |
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Ice detection system for gas turbines
Vibro-Meter's ice detection system consists of an EW140 ice sensor and a DIC 413 de-icing controller (signal conditioner). The system detects the onset of ice formation and can be used to optimize the use of de-icing air in turbine anti-icing systems.
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EW 140 Ice sensor
» Protects gas turbine from possible ice damage
» Optimizes use of de-icing air, thereby minimizing loss of engine power
» No maintenance required
- Measurement range (ice thickness): 0.2 to 2 mm
- Operating temp: -55°C to 120°C
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download datasheet
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DIC 413 De-icing controller
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» Controller and signal conditioner supplied within an industrial enclosure.
» Pre-selectable ice thickness alarm levels
» Continuous system self-check
» Intrinsically safe to [Eex ib] IIB
- VDC power supply
- Operating temp: 0°C to 60°C
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download datasheet
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Velocity transducer system for low-frequency measurements
CV 210 velocity sensor
This vibration velocity sensor is adapted to the special monitoring requirements of hydraulic turbomachinery, an application where rotational speeds between 60 and 100 rpm are encountered. The excellend low-frequency response of the CV210 makes it ideal for all types of low-speed machinery.
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» Stainless steel body ideal for damp and corrosive environments
» Can be mounted vertically or horizontally
- 50 mV/mm/s
- Measurement range:
50 mm/s (up to 70 Hz)
100 mm/s (70 Hz to 400 Hz)
- Operating Temp: -25°D to 100°C
- Frequency range: 1 Hz to 400 Hz
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download datasheet
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IVC 632 matching signal conditioner
» Equalized low-frequency response
» Voltage or current output
» 24 VDC power supply
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download datasheet
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SE 120 |
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» High sensitivity peizoresistive accelerometer
» Low frequency measurement
» Hydraulic turbines or fans
- 2 mA/g ; 4 g
- 0°C to 75°C
- 0.2 Hz to 750 Hz
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download datasheet
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LS 120 & LS 121: Air Gap Monitoring System
On large hydroelectric generators, the air gap between rotor and stator is an important indicator of machine condition. Two versions of this capacitive sensor are available: the LS 120 and the LS 121. The choice depends on the size of the air gap to be measured. Each sensor must be used with a matching signal conditioner: The Ls 120 is paired with the ILS 730 conditioner, and the LS 121 with the ILS 731 conditioner.
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» Contactless measurement
» No wear-out
- Range:
2 mm to 33 mm (LS 120)
15 mm to 65 mm (LS 121)
- Temp range: -15°C to 125°C
Matching ILS 73x Signal Conditioners
» Three outputs on terminal strips (pole profile, rotor profile, and min gap) for condition and protection monitoring
» Voltage or current outputs
- 24 VDC power supply
- Temp range =25°C to 70°C
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download datasheet
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SP 111 & SP 120: Speed Probe
Vibro-Meter has developed special rotational speed probes for gas turbines and nuclear applications.
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» Non-contacting sensor
» Magnetic principle
» High temperature probes on request
» Radiation resistant
SP 111
- 0 kHz to 100 kHz
- -54°C to 180°C
SP 120
- 0 kHz to 100 kHz
- -54°C to 160°C
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download datasheet
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AE 119: Housing Expansion Probe
Used on medium and large thermal machines (e.g. steam and gas turbines) to ensure that expansion of the casing does not endanger the turbine blades inside. |
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» Integrated processing electronics
» Spash-proof (protection class IP 54)
- 50mm measuring range
- 4 mA to 20 mA output
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download datasheet
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CV 213 & CV 214: Velocity Sensors
These vibration velocity sensors have a built-in signal conditioner. Matching cable assemblies (ED 120 and ED 121) allow the sensor to be connected directly to the monitoring electronics. |
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» No external power source required
» Anodized aluminium case and watertight sealed connector allow use in damp and corrosive environments
» Suitable for hydro-electric and steam turbine applications
- Sensitivity: 20 mV/mm/s
- Operating temp:
-29°C to 204°C (CV213)
-29°C to 121°C (CV214)
- Frequency range: 10 Hz to 1000 Hz
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download datasheet
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For further information, please contact: |
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Vibro-Meter SA
Rte de Moncor 4
CH-1701 Fribourg
Switzerland |
Tel: +41 26 407 11 11
Fax: +41 26 402 36 62
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