Mask respiratory resistance tester
Application
The Mask Respiratory Resistance Tester is applicable to respiratory resistance evaluation across the following industries and products:
(1) Medical and Healthcare Industry: surgical masks, medical face masks, N95/FFP masks, disposable masks — testing inhalation and exhalation resistance
(2) Personal Protective Equipment Industry: dust masks, anti-fog masks, respirators — evaluation of airflow resistance and wearer comfort
(3) Quality Control: production batch verification, mask material compliance testing for breathing resistance standards
(4) Research and Development: development of new mask and respirator materials, optimization of airflow and comfort
(5) Third-Party Testing Laboratories: certification testing, laboratory evaluation of mask respiratory resistance
The instrument is widely used for product development, production quality control, R&D, and laboratory testing.
Standards
The instrument complies with and can be applied to the following standards (including but not limited to):
(1) EN 149-2009, Sections 7.15 & 8.3.4 – Respiratory Protective Devices — Testing of Breathing Resistance
(2) EN 13274-3 – Respiratory Protective Devices — Determination of Breathing Resistance
(3) GB 19083 – Technical Requirements for Medical Protective Masks
(4) GB 2626 – Respiratory Protective Equipment: Filtered Particulate Respirator
(5) NIOSH 42 CFR Part 84 – Certification Requirements for Respiratory Protective Devices
(6) JIS/T 8151 – Testing Methods for Respiratory Protective Devices
Features
(1) Touch screen control with English menu and man-machine dialogue mode, easy to operate
(2) Built-in thermal printer for immediate on-site test results
(3) Configurable breath detection and inhalation detection modes
(4) Automatic respirator pipeline switching prevents accidental disconnection or misconnection
(5) 3D-printed standard head mold simulates real human inhalation and exhalation for accurate data
(6) High-precision thermal mass flow sensors with no temperature or pressure compensation required
(7) Micro-manometer sensor with high accuracy (-1000 Pa to 1000 Pa) and adjustable damping
(8) Integrated gas path conversion for rapid switching between inhalation and exhalation pipelines
(9) Data logger with graphic dot-matrix LCD (128 × 64) and 4M memory
(10) Stable suction volume (40–100 L/min) and constant ventilation (85 L/min)
Technical Parameters
| Item | Specification |
|---|---|
| Inhalation Flow Rate | 30 L/min, 95 L/min |
| Exhalation Flow Rate | 160 L/min |
| Flow Impact Test Rate | 300 L/min |
| Flow Sensor | Thermal mass flow meter, high sensitivity |
| Micromanometer Range | -1000 Pa – 1000 Pa, accuracy 1 Pa |
| Head Mold | 3D-printed standard head, simulates human inhalation/exhalation |
| Suction Pump | 40–100 L/min |
| Ventilation Volume | Constant 85 L/min |
| Data Logger | Graphic dot-matrix LCD, 4M memory, Chinese/English interface |
| Power Supply | AC 220 V, 50 Hz |
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