Home / Test Instruments / Indoor Air Quality Instruments / Testo IAQ Monitors / Testo 440 IAQ Multi Function Instrument Testo 440 IAQ Multi Function Instrument Sort: Most popularWhat's newPrice low to highPrice high to lowName A to ZName Z to A 4 Products Sort Testo 440 CO2 Kit with Bluetooth £559.20 £671.04 (inc. VAT) £838.80 Testo 440 CO2 Kit with Bluetooth £559.20 £671.04 (inc. VAT) £838.80 View Product Testo 440 Humidity Kit with Bluetooth® £33,200.00 £39,840.00 (inc. VAT) Testo 440 Humidity Kit with Bluetooth® £33,200.00 £39,840.00 (inc. VAT) View Product Testo 440 Indoor Comfort ComboKit with Bluetooth® £1,279.20 £1,535.04 (inc. VAT) £1,918.80 Testo 440 Indoor Comfort ComboKit with Bluetooth® £1,279.20 £1,535.04 (inc. VAT) £1,918.80 View Product Testo 440 Lux Kit £439.20 £527.04 (inc. VAT) £658.80 Testo 440 Lux Kit £439.20 £527.04 (inc. VAT) £658.80 View Product