Home / Accessories / Multi Function Measuring Accessories / Testo 440 Accessories Testo 440 Accessories Sort: Most popularWhat's newPrice low to highPrice high to lowName A to ZName Z to A 8 Products Sort Testo 440 CO probe (digital) - including temperature and humidity sensor, wired £313.00 £375.60 (inc. VAT) £442.80 Testo 440 CO probe (digital) - including temperature and humidity sensor, wired £313.00 £375.60 (inc. VAT) £442.80 View Product Testo 440 CO probe (digital) - wired £233.00 £279.60 (inc. VAT) £310.80 Testo 440 CO probe (digital) - wired £233.00 £279.60 (inc. VAT) £310.80 View Product Testo 440 CO probe (digital) - with Bluetooth® £260.00 £312.00 (inc. VAT) £346.80 Testo 440 CO probe (digital) - with Bluetooth® £260.00 £312.00 (inc. VAT) £346.80 View Product Testo 440 CO probe (digital) - with Bluetooth® including temperature and humidity sensor £339.00 £406.80 (inc. VAT) £478.80 Testo 440 CO probe (digital) - with Bluetooth® including temperature and humidity sensor £339.00 £406.80 (inc. VAT) £478.80 View Product Testo 440 High-precision vane probe (Ø 100 mm, digital) - Bluetooth® including temperature sensor £543.00 £651.60 (inc. VAT) £766.80 Testo 440 High-precision vane probe (Ø 100 mm, digital) - Bluetooth® including temperature sensor £543.00 £651.60 (inc. VAT) £766.80 View Product Testo 440 High-precision vane probe (Ø 100 mm, digital) - including temperature sensor, wired £517.00 £620.40 (inc. VAT) £730.80 Testo 440 High-precision vane probe (Ø 100 mm, digital) - including temperature sensor, wired £517.00 £620.40 (inc. VAT) £730.80 View Product Testo 440 Humidity/temperature probe (digital) - wired £109.00 £130.80 (inc. VAT) Testo 440 Humidity/temperature probe (digital) - wired £109.00 £130.80 (inc. VAT) View Product Testo 440 Humidity/temperature probe (digital) - with Bluetooth® £125.00 £150.00 (inc. VAT) £166.80 Testo 440 Humidity/temperature probe (digital) - with Bluetooth® £125.00 £150.00 (inc. VAT) £166.80 View Product