| Protection class | IP 40, TopSafe | 
		
			| Warranty | 2 years | 
		
			| Interface | IRDA / optional Bluetooth | 
		
			| Memory | 200 measuring values | 
		
			| Storage battery type | Lithium ion | 
		
			| Battery life | approx. 4 h cont. operation | 
		
			| Application temperature | Individual measurements up to +500 °C | 
		
			| Max. pos. press./flue gas | 300 mbar* | 
		
			| Test sample volume | 0.4 litres (range: 0 to 0.3 FSN); 0.2 litres (range: 0.2 to 2 FSN) | 
		
			| Flow-through measurement | Differential pressure sensor | 
		
			| Optical sensor | Opacity of the filter load in % | 
		
			| Meeasurement period | ˂ 60 s per measurement cycle |