Cromocol

Nova-Xtra - Optomet

Optomet Nova-Xtra single-point SWIR laser Doppler vibrometer for long-range, non-contact vibration measurement up to 300 m, DC-25 MHz. From Cromocol.

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Nova-Xtra - Optomet

Product Description

The Optomet Nova-Xtra is a single-point laser Doppler vibrometer in the CLASSIC Series. It measures the velocity, displacement and acceleration of a vibrating surface without contact, by evaluating the Doppler frequency shift of a laser beam reflected from the measurement point. Signal processing is digital and FPGA based.

The Nova-Xtra uses a short-wave infrared (SWIR) measurement laser at 1550 nm combined with an extra-long-range (XLR) lens, which extends the working distance from 2490 mm up to 300 m. A visible targeting laser at 510-530 nm marks the spot being measured. The system measures up to a frequency bandwidth of DC to 25 MHz and a maximum velocity of 30 m/s, with the exact ranges set by the fitted velocity decoder; displacement and acceleration decoders are optionally available.

The instrument is operated through a 3.5-inch color screen with a 20-segment LED bar, touch screen and knobs. Data is output over Gigabit Ethernet, WiFi and three analog BNC channels, and acquired and analyzed with the OptoGUI software. The unit measures 380 × 180 × 148 mm (excluding handle and lens), weighs 8 kg, and runs from 110-240 V AC or 12 V DC.

The Nova-Xtra is used for long-distance, non-contact vibration measurement, including monitoring of bridges and civil infrastructure, high-rise buildings, wind turbines and other moving or rotating objects, pipelines, industrial plant and structural health monitoring on dark or rough surfaces.

Key Specifications

  • Single-point laser Doppler vibrometer measuring velocity, displacement and acceleration
  • 1550 nm SWIR measurement laser (class 1) with 510-530 nm visible targeting laser (class 2)
  • Extra-long-range (XLR) lens with working distance from 2490 mm to 300 m
  • Frequency bandwidth up to DC to 25 MHz and velocity up to 30 m/s (decoder dependent)
  • Digital, FPGA-based signal processing
  • Outputs over Gigabit Ethernet, WiFi and 3× analog BNC; OptoGUI control and analysis software
  • 8 kg, 380 × 180 × 148 mm (excl. handle and lens); 110-240 V AC or 12 V DC

Technical Specifications


Measurement
  • Measured quantities: velocity, displacement, acceleration
  • Max. frequency bandwidth: DC to 25 MHz
  • Max. velocity: 30 m/s
  • Signal processing: digital (FPGA based)

Optics & Laser
  • Measurement laser wavelength: 1550 nm SWIR (class 1, < 10 mW)
  • Targeting laser wavelength: 510-530 nm (class 2, < 1 mW)
  • Lens: Extra-Long-Range (XLR)
  • Working distance: 2490 mm to 300 m
  • Focus spot size: approx. 170 µm at 2490 mm
  • Focus options: autofocus, remote focus, manual focus
  • Photodetector efficiency: > 98 %

Decoder options
  • Start (D-VD-0N): max. 2.5 m/s, DC - 100 kHz, 7 ranges
  • Basis (D-VD-1N): max. 5 m/s, DC - 500 kHz, 8 ranges
  • Sense (D-VD-2N): max. 5 m/s, DC - 1 MHz, 11 ranges
  • Speed (D-VD-3N-12): max. 12 m/s, DC - 2.5 MHz, 9 ranges
  • High Speed (D-VD-3N): max. 25 m/s, DC - 2.5 MHz, 11 ranges
  • Ultra High Speed (D-VD-3N-30): max. 30 m/s, DC - 2.5 MHz, 12 ranges
  • High Frequency (D-VD-4N): max. 12 m/s, DC - 10 MHz, 9 ranges
  • Master (D-VD-5N): max. 25 m/s, DC - 10 MHz, 14 ranges
  • Master+ (D-VD-5N-25): max. 25 m/s, DC - 25 MHz, 14 ranges
  • Master++ (D-VD-5N-30): max. 30 m/s, DC - 25 MHz, 15 ranges
  • Displacement and acceleration decoders optionally available with up to 19 measuring ranges

Interfaces & Display
  • Output signals: Gigabit Ethernet (RJ45), WiFi, 3× BNC analog
  • Display: 3.5" color screen plus 20-segment LED bar
  • User interface: touch screen, knobs with push-button
  • Software: OptoGUI for remote control, data acquisition and analysis

System
  • Dimensions: 380 × 180 × 148 mm (excl. handle and lens)
  • Weight: 8 kg
  • Power supply: 110-240 V AC (50-60 Hz) or 12 V DC
  • Power consumption: 27 W
  • Operating temperature: 0 °C to 40 °C

Frequently Asked Questions

What is the Nova-Xtra and what does it measure?
The Nova-Xtra is a single-point laser Doppler vibrometer in Optomet's CLASSIC Series. It measures velocity, displacement and acceleration of a vibrating surface without contact, using the Doppler shift of a laser beam reflected from the target. Signal processing is digital and FPGA based.
How does the Nova-Xtra differ from other Nova vibrometers?
The Nova-Xtra uses a short-wave infrared (SWIR) measurement laser at 1550 nm together with an extra-long-range (XLR) lens. This combination extends the working distance to 300 m, so the instrument is used for measurements at distances where standard vibrometers do not return enough signal.
What working distance and laser does the Nova-Xtra use?
With the XLR lens the working distance ranges from 2490 mm to 300 m, with a focus spot size of about 170 µm at 2490 mm and a choice of autofocus, remote focus or manual focus. The measurement laser is a class 1 SWIR laser at 1550 nm (below 10 mW); a visible targeting laser at 510-530 nm (class 2, below 1 mW) marks the measurement spot.
What frequency and velocity ranges are available?
Maximum frequency bandwidth is DC to 25 MHz and maximum velocity is 30 m/s, depending on the fitted velocity decoder. Decoder options range from the Start decoder (2.5 m/s, DC - 100 kHz) to the Master++ decoder (30 m/s, DC - 25 MHz). Displacement and acceleration decoders with up to 19 measuring ranges are optionally available.
What applications is the Nova-Xtra used for?
It is used for long-distance, non-contact vibration measurement such as monitoring of bridges and civil infrastructure, high-rise building vibration analysis, wind turbine and other moving or rotating objects, pipelines and industrial plant, and structural health monitoring on dark or rough surfaces.
How is data acquired and the system connected?
The Nova-Xtra outputs data over Gigabit Ethernet (RJ45), WiFi and three analog BNC channels. It is operated through a 3.5-inch color screen with a 20-segment LED bar, touch screen and knobs, and controlled and analyzed with the OptoGUI software over the digital Ethernet connection.

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