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 £526.00 £631.20 (inc. VAT) £619.00 Testo 440 CO2 Kit with Bluetooth £526.00 £631.20 (inc. VAT) £619.00 View Product Testo 440 Humidity Kit with Bluetooth® £305.00 £366.00 (inc. VAT) £359.00 Testo 440 Humidity Kit with Bluetooth® £305.00 £366.00 (inc. VAT) £359.00 View Product Testo 440 Indoor Comfort ComboKit with Bluetooth® £1,129.00 £1,354.80 (inc. VAT) £1,329.00 Testo 440 Indoor Comfort ComboKit with Bluetooth® £1,129.00 £1,354.80 (inc. VAT) £1,329.00 View Product Testo 440 Lux Kit £407.00 £488.40 (inc. VAT) £479.00 Testo 440 Lux Kit £407.00 £488.40 (inc. VAT) £479.00 View Product