Enhanced VIBREX 2000 PLUS

Enhanced VIBREX 2000 PLUS

Cost-effective balancer/analyzer with superior performance.

  • Propeller balance
  • Helicopter track & balance
  • Vibration analysis
  • Multiple channel input for multiple balance jobs
  • Automatic weight sensitivity correction
  • RS232 interface for connection to printer and/or PC

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Enhanced VIBREX 2000 PLUS

Portable, easy-to-use digital dynamic balancer capable of quick and efficient Rotor Track and Balance and Vibration Analysis。
Developed primarily for light and medium aircraft propeller/rotor balance. Incorporates digital technology resulting in faster processing and more accurate solutions.

additional capabilities

Helicopter Single Plane Rotor Balance
FasTrak Rotor Track
Additional capability includes saving auto-corrected charts under user defined names.

EV2K+ Evolution

– EV2K+ was meant to help bridge gap between V2K+ and VXP due to 8500 obsolesce
– EV2K+ development based upon V2K+ hardware and VXP software
This approach was used to obtain reasonable time to market
EV2K+ unit identical to V2K+ unit except for logo plate
Based on standard V2K+ features, menu architecture and code
New helicopter balance features were added using core VXP code
Some existing V2K+ features were updated

What Separates the EV2K+ from the V2K+?

In addition to the standard V2K+ features the EV2K+ adds:
– Simple helicopter balance solutions for most small and medium helicopters
– Strobex tracking expanded to include FasTrak operation
FasTrak pre-tuned to same aircraft as helicopter balance
– User editing and storage of new configurations:
Propeller balance
Blade tracking configurations
Helicopter balance models
– Four channel operation

Helicopter Balance Charts

New addition for the EV2K+.Provides solution based adjustments.Very versatile solution dictation by the user.
• Can solve for vertical, laterals, and fore/aft requirements independently
• Alternate solutions available
Save and rename user define charts for precision balancing of the customers unique airframe.
Auto-correction to improve balancing efficiency

Principles of Operation

EV2K+ helicopter balance based VXP algorithms and models
VXP runs one application at a time – EV2K+ pre-programmed with over 25 aircraft types
Like VXP, EV2K+ has one execution model space
Desired application is loaded from stored list into that space
Only one balance model can be run at a time
Same VXP balance components (bcomps) are used
Same VXP “charts” (influence coefficients) are used
Some charts are marked as “excluded” (not used)
Charts with zero or very low sensitivity are excluded (e.g. 2000 P/L flats per IPS)
Some charts not normally used for RTB are excluded

• EV2K+ uses two bcomp areas:
One bcomp for balance
One bcomp for FasTrak
They are loaded as needed based upon menu selections
The two bcomps work independently in both menu operation and execution
Helicopter and FasTrak components can be user edited and stored under on new name “Auto-corrected” coefficients can also be stored.

Enhanced VIBREX 2000 PLUS Specifications


Dimensions7.38″H x 7.25″W x 1.81″D (18.75 cm x 18.42 cm x 4.6 cm)Weight3.5 lbs. (w/o batteries) (nominal)Power requirement3-6.4 VDC 250mA


Vibration sensors  (19 mV/IPS sensitivity) up to 4 ea. using additional cable

FasTrak 1 ea. Rotor Track capability

Mag pickup / tach 2 ea. Pulse input, magnetic pickup or logic type

Accessory Power 4 ea. D-Cell batteries. (Reverse polarity circuit protected and fused)

Portable Computer or Printer1 Serial, RS-232, 9600baud

Balance Measurements

Phase accuracy± 15°Balance frequency range120 to 30,000 RPM Phase resolution2 minutes or 1 degree

Spectrum Analysis (Fmax, RPM)

Enhanced VIBREX 2000 PLUS1,200 – 600,000FFT resolution400 Lines


Memory1MBAccuracy (Enhanced VIBREX 2000 PLUS)± .5dB from 2 Hz to 500 Hz (± 1dB from 501 Hz to 10 Kz)Spurious free dynamic range>50 dBVelocimeter input ranges0 to 304mV peak (16 ips)Enhanced VIBREX 2000 PLUS0 to 380mV peak (20 ips)Velocimeter input sensitivity19mV/IPS peakMag p/u, input frequency range100 – 50,000 RPMMag p/u RPM accuracy0.1%Mag p/u, input voltage range0.5 to 12 Volts peak nominal (120 Volts peak maximum)


Temperature0°C to 50°C, or 32°F to 120°FEMI susceptibility and radiated emissions standardsIndustrial Electronic Control Equipment ClassCE certified to: Standard EN50081-2Standard EN50082-2

Ground Software

Vibrex 2000 DownloadIncluded with all modelsVibrex 2000 PlotIncluded w/2000 Plus (Optional w/Basic and French models)

Visual Blade Tracker “Strobex 135M-12” P/N 8620

This Blade Tracker is used with V2K(+), Carry-On VXP and 8500C(+) to observe the Track & Lead/Lag of main rotors and also tail rotors of helicopters.

It requires “Tip Targets” on the blade tip which are usually part of the Application Kit for V2K(+), Carry-On VXP and 8500C(+).

Observed Track & Lead/Lag data are either recorded on a tracking record sheet or entered in the 8500C(+) “Smart Chart” to be respected in the calculated Track & Balance adjustments.

Optical Blade Tracker “FasTrak” P/N 11800-3

This Day/Night Blade Tracker is used with the 8500C(+), Carry-On VXP, On-Board VXP and VMS II for fast Track & Lead/Lag measurement of main rotors of helicopters within +/- 1 mm accuracy.

When used with Carry-On VXP the Track & Lead/Lag data are collected simultaneously while measuring the dynamic balance.

For use at night, a Retro Reflective self-adhesive tape is used at the trailing edge of the rotor blades to reflect the emitted IR light of the IR LCD ring below the cover glass.

Portable Printer “DPU-414-M”

This portable printer is used for V2K(+), Carry-On VXP VMS II and On-Board VXP to make printouts of rotor settings, measured data and rotor adjustments as well as predictions for the calculated adjustments.

This line printer makes it comfortable for the user, to get printouts at the aircraft, without the need of a PC Printer in an office.

Its rechargeable battery allows printing even without supply power from the aircraft. The rechargeable battery is charged via the Acquisition Unit of the Carry-On VXP.

Vibration Sensors

Velocimeter, P/N 7310 used for V2K(+), Carry-On VXP, 8500C(+),On-Board and VXP VMS II.

High Temp. Accelerometer used for vibration test and analysis on turbine engines.

Accelerometer 4177B, P/N 4109 used for the legacy VIBREX System with Balancer 177M-6.

Azimuth Sensors

Magnetic Pickup 3030A, P/N 5876 typically used as RPM and azimuth reference for dynamic balance measurement of main rotors, used with all “Zing®” Systems.

Photo Probe , P/N 10200-1 typically used as RPM and azimuth reference for dynamic balance measurement of tail rotors, drive shafts and blowers, with 8500C(+) and Carry-On VXP.

Photo Probe , P/N 12900 typically used as RPM and azimuth reference for dynamic balance measurement of tail rotors, drive shafts and blowers, with V2K(+)

Sensor Cables

Velocimeter Cables, P/N 11210-X available in different lengths, used for V2K(+), Carry-On VXP and 8500C(+).

Magnetic Pickup Cables, P/N 10808-X available in different lengths, used for V2K(+), Carry-On VXP and 8500C(+).

Photo Probe Cables, P/N 10185-X available in different lengths, used for V2K(+), Carry-On VXP and 8500C(+).

Azimuth Reflectors and Tip Targets

The Azimuth Reflectors Set P/N 10444 are the recommended self-adhesive retro reflective material for use with the Photocell P/N 12900 and the Photo Probe P/N 10200-1.

The Reflector Set P/N 3300 is applicable as Azimuth Reflectors for the Photo Probe P/N 10200-1 as well as for the Tip Targets 3428-2/-4.

The full selection of retro reflective material for use as Tip Targets with out bracket or as spare for Tip Targets is shown and described under “Details”.

Basic Sensor Brackets

The Brackets P/N 3382-1/A and P/N 3383-1/A are used for installation of Accelerometer 4177B, P/N 4109 and Velocimeter, P/N 7310.

The Photocell Bracket P/N 10423(-1) is used for installation of the Photo Probe , P/N 12900.

Aircraft specific Brackets for Accelerometer 4177B and Velocimeter 7310 are offered as part of Application Kits, if needed.

Application Kits

Application Accessory typically consists of Brackets for the installation of Magnetic Pickup with Interrupters, Brackets for the installation of the Photocell/Photo Probe, Azimuth Reflectors, Adapter Cables for DC-Power, Breakout Cables for hardwired aircrafts, aircraft specific Application Software and aircraft specific Application/User Guides, describing the proper equipment installation.

The required Application Accessory is quoted specifically for the various “Portable Systems” and aircraft/engine type.

Brackets and Interrupters

Brackets are used to install Vibration Sensors, Azimuth Sensors and also the Optical Tracker “FasTrak” on an aircraft type.

Interrupters are aircraft specific parts made of magnetic Stainless Steel which generates an RPM and azimuth reference when passing the Magnetic Pickup.

Brackets and Interrupters are available for many helicopter and fixed-wing aircrafts, as part of the Application Kit for “Zing® Test” Systems.

Adapter Cables

DC-Adapter Cables P/N 3140-X are used to provide 28 Volt DC Supply Power for the 8500C(+) and for Carry-On VXP as well as for the Strobex 135M-12 when used with V2K(+), to connect to existing receptacles in the aircraft.

Breakout Cables are used for aircrafts which have a partly or complete hardwiring for DC Supply power and sensors of the “Zing® Test” Systems.

Application Software

For Carry-On VXP “Advanced Smart Charts” are provided on a Compact Flash, available for many helicopter and turboprop aircraft types as well as for some turbofan engines.

The “Advanced Smart Charts” of the Carry-On VXP allow simple/quick data collection of Track & Balance of one or multiple regimes and calculate rotor adjustments for Track and/or Balance respecting current settings and rotor limits.

For 8500C(+) Chart Sets are provided in form of a 3.5” Floppy Disk, containing “Smart Charts” available for almost any helicopter and turboprop aircraft type as well as for some turbofan engines.

Precision Tab Tools (optional)

The fine trim tab adjustments calculated by the 8500C(+) or Carry-On VXP require accurate measurement and adjustments of Trim Tabs.

Precision Tab Tools are available for many different helicopter types from Honeywell, supplied with calibration plates and instructions and partly with a specific carrying case.

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