Showing all 4 results Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low View Product SP1000 IAQ Ambient Air Direct CO2 Meter Smart Probe £215.00 Buy Now Out of Stock View Product 1008a Handheld IAQ Monitor (CO2 & Temperature) £440.00 Buy Now View Product 1010a Handheld IAQ Monitor (CO2, Temperature& Humidity) £700.00 Buy Now Out of Stock View Product 597C1 Digital Hygrometer/Psychrometer £165.00 Buy Now