Portwest - Do You Know Booklet

DO YOU KNOW 25

WHAT IS 10819:1997? Mechanical Vibration & Shock EN ISO 10819 ISTHE STANDARD WHICH SPECIFIESTHE REQUIREMENTS FOR GLOVES TO PROTECTAGAINSTVIBRATIONS.

When working with any equipment producing vibration exposure such as jackhammers, chipping & paving breaker tools, electric hammers etc, users will experience vibration transmission from the tool handle to the palms of the hands hence the reason for wearing anti vibration gloves. EN ISO 10819 sets out the requirements used to analyse the ‘vibration transmissibility’ of gloves i.e. the ability of a glove to protect the users’ hands from vibrations within a frequency range of 31.5 Hz to 1250 Hz.

The standard further stipulates that within this frequency range there are 2 classifications which measure the performance of Anti Vibration gloves; ‘Medium Frequency’ and ‘High Frequency’ consistent with the range parameters defined below: TR M : TRANSMISSIBILITY MEDIUM (M) 31.5 HZ – 200 HZ TR H : TRANSMISSIBILITY HIGH (H) 200 HZ – 1250 HZ In order for a glove to comply with the requirements of EN ISO 10819, it must satisfy both the medium and high frequency requirements as outlined below. MEDIUM FREQUENCY RANGE When the glove is tested in the medium range, the standard clearly stipulates that the glove must not amplify the vibrations – i.e. the TR M has to be ≤1.0 in order for the glove to pass the standard. HIGH FREQUENCY RANGE When the glove is tested in the High frequency range the glove must reduce vibration levels by at least 40% i.e. the TR H has to be ≤ 0.6 in order for the glove to pass the standard.