Measurement and control Bluelab Measurement and control - Bluelab Instruments for measuring and regulating temperatures and humidity in rooms. Filters and sorting (4) Cancel the filter RecommendedCheapestMost expensiveBestsellersTop rated -20% Bluelab Guardian monitor Not in stock 328,21 € 410,27 € 271,25 € excl. VAT -5% Bluelab combo meter In stock 312,08 € 328,50 € 257,92 € excl. VAT ShareTweetPin It