| Tipping bucket Flowmeter | 
		
			| Model | QT-50ml | QT-100ml | QT-1000ml | 
		
			| Sensor type | Tipping bucket with magnetic reed switch | 
		
			| Output | Contact closure | 
		
			| Cable length | 3 m | 3 m | 3 m | 
		
			| Capacity | 50 ml | 100 ml | 1000 ml | 
		
			| Size | 30 cm L * 220 cm W *30 cm H | 30 cm L * 220cm W *30 cm H | 26 cm L *40 cm W *60 cm H | 
		
			| Material | SUS304 stainless steel \ aluminum alloy | 
		
			| Orifice diameter | 20 mm | 20 mm | 50 mm | 
		
			| Weight | 4 Kg | 4 Kg | 7Kg | 
		
			|                                                            Temperature Measurement | 
		
			| Measurement range | -20~+70℃ | 
		
			| Accuracy | ±0.53℃(0~50℃) | 
		
			| Resolution | 0.14℃(25℃) | 
		
			| Drift | 0.1℃/year | 
		
			| Response time | 10 min, usually 90% (2 m/s air flow) | 
		
			|                                                                  Data Logger | 
		
			| Timestamp resolution | 1.0 s | 
		
			| Time accuracy | 1 min / month (25 ℃) | 
		
			| Operating temperature | -20~+70℃ | 
		
			| Power | CR-2032 3V lithium battery,  usually can last for one year | 
		
			| Storage capacity | 64KB: 16K ~ 23K for recording events, 25K ~ 30K for recording evens and temperature | 
		
			| Material | polypropylene shell; Stainless steel screws; Buna O-rings, PVC cable insulation | 
		
			| Weight | 50 g | 
		
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