ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ

Short Description:
The main specifications of the ZR-1000A mask virus filtration efficiency (VFE) tester conform to the YY/T1497-2016 < Evaluation test method for the viral filtration efficiency(VFE) of medical protective face mask materials–Test method using Phi-X174 bacteriophage>, The method of double gas path simultaneous comparison sampling improves the accuracy of sampling.
Specification:
Sampling flow of channel A: Parameter Range: (5-35) L/min, Resolution: 0.1L/min, MPE (Maximum Permissible Error): ±2.5%
Sampling flow of channel B: Parameter Range: (5-35) L/min, Resolution: 0.1L/min, MPE (Maximum Permissible Error): ±2.5%
Nebulization flow rate: Parameter Range: (6-8) L/min, Resolution: 0.1L/min, MPE (Maximum Permissible Error): ±5.0%
Peristaltic pump flow: Parameter Range: (0.006-3.0) mL/min, Resolution: 0.001ml/min, MPE (Maximum Permissible Error): ±2.5%
Front pressure of A-path flowmeter: Parameter Range: (-50~0) kPa, Resolution: 0.01kPa, MPE (Maximum Permissible Error): ±2.5%
Front pressure of B-path flowmeter: Parameter Range: (-50-0) kPa, Resolution: 0.01kPa, MPE (Maximum Permissible Error): ±2.5%
Front pressure of spray flowmeter: Parameter Range: (0-300) kPa, Resolution: 0.1kPa, MPE (Maximum Permissible Error): ±2.5%
Negative pressure in aerosol chamber: Parameter Range: (-90~120) Pa, Resolution: 0.1Pa, MPE (Maximum Permissible Error): ±2.0%
working temperature: (0-50) ºC
Cabinet negative pressure: (-50~200) Pa
Data storage capacity: >100000 group
Characteristics of HEPA filter: Filter efficiency for particles above 0.3μm ≥99.99%
Mean mass diameter of aerosol generator: Average particle diameter (3.0 ±0.3) μm, geometric standard deviation ≤ 1.5
Size of aerosol chamber: (length 600×diameter 85×thickness 3) mm
Ventilation flow of negative pressure cabinet: ≥5m3/min
Dimensions of negative pressure cabinet door: (length 1000×width 730)mm
Host size: (length 1180×width 650×height 1300)mm
Bracket size: (length 1180×width 650×height 600)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
Introduction
The main specifications of the ZR-1000A mask virus filtration efficiency (VFE) tester conform to the YY/T1497-2016 < Evaluation test method for the viral filtration efficiency(VFE) of medical protective face mask materials--Test method using Phi-X174 bacteriophage>, The method of double gas path simultaneous comparison sampling improves the accuracy of sampling. It is applicable to the performance test of viral filtration efficiency by the metrological verification department, scientific research institutes, mask manufacturers and other relevant departments.
Features
Negative pressure test system ensures the safety of operators;
The negative pressure cabinet is equipped with peristaltic pump, A and B two-path six stage Anderson sampler;
The flow of peristaltic pump can be set;
The nebulization volume of the special microbial aerosol generator can be set and the nebulization performance is good;
Controlled by embedded high-speed industrial microcomputer;
10.4-inch industrial high brightness colored touch screen;
USB port, supporting data transfer to USB flash disk;
Build-in high brightness lights in the cabinet;
Build-in UV lamb for disinfection and sterilization;
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 cold-rolled sheet sprayed by plastic;
Heat preservation and flame retardant is set between inner and outer layers;The front The front openable glass door is convenient for the experimental operator to observe and operate;
Detachable bracket with adjustable height;
The caster can be used for supporting and moving.