A. Technical Parameters1.Flow Rate: 5-200L/min, Accuracy 0.1L/min, Better than ±2.5%2.Head Model Size：L (M&S are available for customization)3.Pressure Range: ±1000Pa, 0.1Pa, better than 0.2%......
A. Technical Parameters
1. Flow Rate: 5-200L/min,Accuracy 0.1L/min, Better than ±2.5%
2. Head Model Size：L (M&S are available for customization)
3. PressureRange: ±1000Pa, 0.1Pa, better than 0.2%
4. Dimensions: (W×D×H)(600*600*750)mm
5. Weight: About 35kg, powerdissipation: 1.3w
B. Applicable Standards:
GB2626-2019: Respiratory protection—Non-powered air-purifying particlerespirator, section 6.5, 6.6
GB/T32610-2016: Technical specification of daily protective mask
BSEN 149-2001+A1-2009
C. Testing Principles:
1. Thetester is composed of an air source with an adjustable flow rate, a standardhuman head model, an inspiratory and expiratory circuit system, and arespiratory resistance measurement system.
2. Aspecial air path conversion element is adopted to ensure that the inspiratoryａnd expiratory circuit system are easy to be replaced.
3. Digitaldisplay of respiratory resistance with zero point correction, accuracycorrection, and over-range alert function.
4. Astandard flow meter is adopted to ensure flow control accuracy.
5. Siemenstouch screen and PLC are emplaced to achieve real-time detection and output ofpressure control and respiratory resistance test data.
6. Thermalprinter is adapted to print the respiratory resistance test report
7. Deltainverter
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