The main performance indexes of the ZR-1000A mask virus filtration efficiency (VFE) detector conform to the YY/T1497-2016 detection method of Phi-X174 phage for the evaluation of virus filtration efficiency of medical protective mask materials . The method of double gas path simultaneous comparison sampling improves the accuracy of sampling, which is suitable for the measurement and verification departments, scientific research institutes, mask manufacturers and other relevant departments to detect the mask virus performance detect of filtration efficiency.
Technology Advantage
Negative pressure detection system to ensure the safety of operators;
There is peristaltic pump in the negative pressure cabinet, A and B liquid impact samplers;
The flow of peristaltic pump can be set;
The spray volume of the special microorganism aerosol generator can be set and the atomization effect is good;
Embedded high-speed industrial microcomputer control;
10.4-inch industrial high brightness color touch screen;
USB interface, supporting data transfer of U-disk;
There are high brightness lights in the cabinet;
There is ultraviolet disinfection and sterilization lamp in the cabinet;
Built in leakage protection switch to protect the safety of operators;
The inner layer of the cabinet is made of stainless steel by overall processing and forming, the outer layer is sprayed with cold-rolled plastic plate, and the inner and outer layers are designed for heat preservation and flame retardant;
The front opening and closing glass door is convenient for the operators to observe and operate;
The caster can be used for supporting and moving.
Main Parameter | Parameter Range | Resolution | Maximum Permi-ssible Error |
Sampling flow of channel A | (5-35)L/min | 0.1L/min | ±2.5% |
Sampling flow of channel B | (5-35)L/min | 0.1L/min | ±2.5% |
Spray flow rate | (6-8)L/min | 0.1L/min | ±5.0% |
Peristaltic pump flow | (0.006-3.0)mL/min | 0.001ml/min | ±2.5% |
Front pressure of A-channel flowmeter | (-50~0)kPa | 0.01kPa | ±2.5% |
Front pressure of B-channel flowmeter | (-50-0)kPa | 0.01kPa | ±2.5% |
Front pressure of spray flowmeter | (0-300)kPa | 0.1kPa | ±2.5% |
Negative pressure of air mist chamber | (-90- -120)Pa | 0.1Pa | ±2.0% |
working temperature | (0-50)℃ | ||
Cabinet negative pressure | (-50- -200)Pa | ||
Data storage capacity | >100000 group | ||
Characteristics of high efficiency air filter | Filter efficiency for particles above 0.3um ≥99.99% | ||
Mean mass diameter of aerosol generator | Average particle diameter (3.0 ±0.3) um, geometric standard deviation ≤ 1.5 | ||
Specifications of air mist chamber | (L 600×D 85×T 3) mm | ||
Ventilation flow OF negative pressure cabinet | ≥5m3/min | ||
Door size of negative pressure cabinet | (L1000×W730)mm | ||
Host size | (L1180×W650×H1300)mm | ||
Bracket size | (L1180×W650×H600)mm,height adjustable within 100mm | ||
Working power supply | AC220V±10%,50Hz | ||
Instrument noise | ﹤65dB(A) | ||
Weight of whole machine | About 250kg | ||
Overall power consumption | ﹤1500W |