NVH Kits

Pico's Noise, Vibration and Harshness (NVH) products enable the identification and diagnosis of unwanted vibration and noise sources in in a vehicle. A comprehensive NVH Training Course is now available in South Africa.

Please Note: visit VAS NVH, if you are affiliated to VW Audi.

Kit Contents

Although the NVH Kits are available in different configurations, they differ only in the number of parts supplied. In each case, a BNC cable connects the interface box to your Automotive PicoScope and a USB cable connects your PicoScope to the PC or laptop on which you run the PicoDiagnostics software.

(not supplied) can be used to provide RPM data or an electrical signal that can be used for RPM.

Starter, Standard or Advanced

The Starter NVH Kit will allow you to measure vibrations on 3 axes, (X, Y and Z). The Standard NVH Kit gives you the option to also measure vibration or sound on a single axis at an additional location on the vehicle. The Advanced Kit gives you the option to measure vibration or sound at four different locations on the vehicle. The Starter to Standard Upgrade Kit gives you an extra set of all the kit items.

All Kits are available in a carry case or foam tray. The foam trays enable users to store their NVH Diagnostics Kits safely in a tool chest of their own choosing.

Uses

Customer complaints surrounding noise/vibration are subjective at best and present technicians with a challenge before diagnosis and rectification begins. Applying the NVH kit to the vehicle will allow the technician to road-test the vehicle with the customer to obtain all vibration and noise levels.

Once this valuable data has been collected it can be analyzed and compared to previous captures or against donor vehicles. Often what is perceived by the customer to be a “problem” vibration is in fact a characteristic

Now you can present and compare objective data with test results from d onor vehicles to reassure your customer all is OK. Alternatively, comparing data may highlight a problem within the vehicle allowing the technician to proceed to a repair with confidence supported b y measurements taken.

Below are just a few of the typical scenarios where the NVH kit can save time and money:

Problems

The root of all NVH problems is a vibration. In some cases these are unwanted or unexpected vibrations, and in other cases they are always present (e.g. engine combustion), but should not be transmitted to the driver/passenger.

Sound is simply a vibration that is transmitted through the air (or other medium), and is heard when it reaches a person's ear. Although the perfect hearing range is 20 Hz to 20 kHz, most of us are more like 100 Hz to 15 kHz at best. Vibrations are usually felt at frequencies below 200 Hz, and in the overlapping frequency range vibrations can be both felt and heard.

In order to deal with this frequency range effectively, the PicoDiagnostics NVH kit contains both microphones (for sound), and accelerometers (for vibrations).

Traditionally, NVH problems have been viewed as difficult to solve. NVH complaints can be subjective as people have different levels of NVH acceptance or feeling. For a technician to tackle these issues effectively they need the right tools and procedures to diagnose complaints in an objective, repeatable and easy manner. The PicoDiagnostics NVH kit does that and also generates customer reports to show that an improvement has been made against their complaint.

Setup Wizard and Software Help

The Pico NVH test has a set of wizards to guide you through the necessary connections and the vehicle data that will generate information and results in a format that is easy to understand.

The system detects vibrations (and sounds) that change (wheel, engine, propshaft etc.) but also fixed frequency vibrations (e.g. electric cooling fan). Results are displayed in a report that is easy to understand and can be viewed in the way that suits you.

Comprehensive help files explain likely causes and solutions, and the functions provided by the software make it easy to diagnose the problems in a logical way to reveal the root cause. The same system will also give you the ability to measure the effectiveness of any repairs or modifications and demonstrate the results to the customer.

Accessories

Mongoose Pro ISO/CAN J2534 Lead (PICO-TA293)

Having used the Mongoose Pro alongside Pico products for some time, we are confident it is the best and most reliable product to use with our NVH Kit for the acquisition of a road speed signal.

Optical Balancing Kit (PICO-PP991)

The purchase of our Optical Balancing Kit allows on-vehicle balancing in order to rectify first order shaft vibrations. Included as part of our PicoDiagnostics software, the Propshaft Balancing Test provides clear advice and guides you through analysis and test procedures:

Specifications