There are several solutions to monitor Hand-arm Vibration (HAV) in the workplace, but only a couple are fully wireless. Being able to monitor HAV without interfering with workers daily activities is important for ease of the worker but also to maintain good productivity levels. Therefore, a wireless solution should be fully considered.
Below we look at the solutions currently available with a comparison of their key features at the bottom of the article.
HAVwear by Reactec
Specifically designed as a wearable device to assess and monitor Hand Arm Vibration (HAV) risk exposure from hand tools, the HAVwear monitor is low cost, simple to use and fully automated. Completely wireless, the watch design uses a cloud-based platform to collect and store data for future analysis.
The SV 103 from Svantek was one of the first HAV measuring tools. When used it significantly decreases the uncertainty of level of exposure to vibration as the instrument is attached to the user’s arm and is small enough to take daily vibration exposure measurements.
Although the unit performs well, it still needs connecting to desktop data source and requires a certain level of maintenance over its lifetime which is considered more than some of its competitors.
HAVex by Casella
Casella's Tri-Axial Hand Arm Vibration Meter has been specifically designed for Hand Arm Vibration exposure measurements. Simple to operate, with a clear large display, the unit can store over 900 measurements. The HAVex meter is supplied with the Vibdata Lite software which allows you to download your measurements via USB for analysis and storage of data as required by the regulations.
Although fairly cost effective the HAVex is not wireless and therefore requires connection to the unit and to the wearer’s wrist. The information then needs uploading to a desktop computer rather than being able to view the information in real-time.
HVM 100 by LarsonDavis
The Human Vibration Monitor 100 HVM 100 is a hand-held instrument for measuring human exposure to vibration, performing relevant calculations and providing overall metrics on its LCD display. Detailed vibration levels are easily stored in its built-in data logger which can hold up to 100 separate time-history test files including all required metrics.
This information can then be downloaded to a PC for analysis and archiving, the HVM 100 is not a wireless device.
HVM 200 by Larsondavis
The HVM200 is a small, rugged vibration meter with built in wi-fi that can be used to measure hand-arm, whole body and general vibration. It includes the metrics and frequency weightings needed to measure human vibration. Unlike the HVM 100 the 200 is wi-fi enabled and data can be viewed from a mobile app.
With significantly more built-in features than the 100 version, this is also reflected in the cost as the unit is at the higher end of the price range.