A couple of weeks ago on a Saturday night, a reserve Supervisor on duty at Turnpike Lane carried out the OLBI tests when ... bang! He got a jolt that threw him backwards and gave him a headache.
Management are "investigating", but until we all see some proof that this kit is safe, then you'd be taking a big risk by touching it. So don't.
A lesson from this: don't carry out tasks you're not trained to do.