With this kit, you will be equipped for the most important measurements involving heating systems: the Next-Gen Testo 300 Pro Combustion Analyzer is supplied with long life O2 and CO sensor (CO range up to 4,000ppm), Testo Bluetooth® Connector, retrofittable NO Sensor, combustion probe, rugged hardshell case and practical accessories. Impressive measuring technology and quality ● O2 sensor and CO sensor up to 4,000ppm ● Testo Bluetooth® Connector ● NO sensor - can be retrofitted ● Longer sensor service life thanks to automatic sensor protection ● Integrated draft and gas zeroing without removing the probe – the probe can remain in the flue during zeroing ● For intensive daily use: high-quality Longlife sensors for O2 and CO with a service life of up to 6 years. That means at least one sensor replacement is saved in the course of a normal working life ● Integrated fine pressure and 4Pa measurement for legally prescribed measurements ● Manufacturer's warranty of up to 5 years on O2 and CO sensor with product registration – without a maintenance contract ● Versatile probes and fast probe changes: Use quick-change probes and the multi-functional handle to attach a variety of probe shafts (each available to order separately). ● Optionally available probes and accessories for further measuring tasks, such as gas flow pressure measurement, gas pipe testing, differential temperature measurement, and ambient CO measurement Smart, intuitive, efficient: easy operation in day-to-day work ● Smart-touch display for intuitive operation of the combustion analyzer: the display responds without delay – just as easily as on your smartphone ● Get the measurement result faster: structured measurement menus for all relevant measurements ● Create documentation (including measuring value, measuring location, and customer data) easily on-site ● Save PDF measurement reports directly in the instrument and always have them available ● Signature function: your customer can sign measurement reports directly on the instrument ● E-mail measurement reports directly to the office or customers via WiFi (hotspot) ● Large 5-inch HD display – enables you to see all the system's parameters immediately ● Testo interface function for direct data transfer of measuring values to industry/customer-specific software* ● Ready to use right away: in standby mode, the Next-Gen Testo 300 is ready to measure at the touch of a button. Use it right away with the next customer – because you no longer need to wait for the end of the zeroing phase ● Integrated Bluetooth® interface: immediate printout of the measuring values on site with the appropriate optional printer Note: The manufacturer has to integrate an interface into the industry software to use the function Packing Includes ● Next-Gen Testo 300 Pro combustion analyzer with O2 and CO sensor up to 4,000ppm, NO - can be retrofitted (0633 3004 72) ● Testo Bluetooth® Connector (0554 3004) ● Power adapter, includes USB cable (0554 1106) ● Compact basic flue gas probe, 12-inch, Ø0.25-inch, Tmax. 932°F; 5-foot hose; including dirt filters and cone for fixing (0600 9763) ● Spare dirt filters, compact probe; 10 counts (0554 3385) ● BLUETOOTH®/IRDA printer, including 1 roll of thermal paper and rechargeable battery (0554 0621) ● Spare thermal paper for printer, indelible ink (0554 0568) ● Free Testo Smart App download ● Hardshell instrument case for instruments, probes, and accessories (0516 3300)