Measures CO, CO2, differential pressure and temperature, tightness and room CO tests. Ideal for when installing & servicing domestic oil & gas applicances or to conduct combustion performance or efficiency checks. Features an easy to use rotary dial, 6 line display, fitted with RFID tag, and encased with protective rubber boot. Also comes with probe, IRP-2 printer, pressure connectors, USB charger, handy quick reference guide and analyser calibration certificate. Purge pump protection prevents accidental damage to CO sensor. Hydrogen (H2) ready - up to 20% blend, wireless module for connectivity to smart devices as standard. Data hold, log and print to IRP-2 printer to produce test reports. Supplied in ROCASE for storage & easy transport.