ASTM F1862 tester models and their published ranges
The Face Mask Synthetic Blood Penetration Tester (TNG1044) and the Synthetic Blood Penetration Tester (TNG1049) are both designed to meet the requirements of ASTM F1862, which evaluates the resistance of face masks to synthetic blood penetration.
Specifications and Compliance with ASTM F1862 The Face Mask Synthetic Blood Penetration Tester (TNG1044) is specifically engineered to simulate the conditions described in ASTM F1862. One of its key specifications is the blood spraying distance, which is set at (300 ± 10) mm. This distance closely aligns with the standard's requirement for simulating the impact of synthetic blood during a simulated cough or sneeze, ensuring that the test accurately reflects real-world conditions. Another critical specification is the nozzle inner diameter of 0.84 mm, which is designed to replicate the size of droplets that may be expelled during respiratory events, thereby providing a realistic simulation of fluid penetration. The spraying speed of the model is adjustable, with options at 450 cm/s, 550 cm/s, and 635 cm/s. This range allows for testing under various conditions that may occur in different environments, ensuring the mask's performance is evaluated comprehensively. The spraying time is also variable, with settings of 0.80 s, 0.66 s, and 0.57 s, which helps in assessing how the mask responds to different durations of exposure to synthetic blood. The adjustable watching time of 10 seconds provides flexibility in observing the mask's reaction to the fluid, supporting detailed analysis of penetration resistance.
Comparison of TNG1044 and TNG1049 The Synthetic Blood Penetration Tester (TNG1049) is also designed for compliance with ASTM F1862, though its specifications are not fully detailed in the provided data. However, the presence of this model indicates that the manufacturer offers multiple options for testing, each potentially tailored to specific testing needs or laboratory setups. While the may not have the same level of detail in its specifications as the, its inclusion in the product line suggests it is intended for use in environments where the testing requirements may differ slightly, such as in different regulatory frameworks or research settings.
Conclusion and Application Both the Face Mask Synthetic Blood Penetration Tester (TNG1044) and the Synthetic Blood Penetration Tester (TNG1049) are essential tools for laboratories seeking to comply with ASTM F1862. The model, with its precise and adjustable specifications, offers a robust solution for evaluating the performance of face masks under controlled conditions. The, while less detailed in its specifications, complements the by providing additional flexibility and options for testing. Together, these instruments support the rigorous testing required to ensure the safety and effectiveness of personal protective equipment.
Instrument models referenced - TNG1044 Face Mask Synthetic Blood Penetration Tester (Air / Water / Vapour Permeability Testing). Published specifications include Blood spraying distance: (300 ± 10) mm; Nozzle inner diameter: 0.84 mm; Nozzle length: 12.7 mm.
- TNG1049 Synthetic Blood Penetration Tester (Air / Water / Vapour Permeability Testing).
Editorial note. This application note summarises the published scope of the standard and our documented model data. Configuration requirements vary between standard editions, and instruments support a method only with the appropriate fixtures and accessories. Please confirm the required configuration against the applicable edition of the standard before ordering; conformity of a given test result also depends on the specimen and the procedure followed.
Instruments referenced
Test standards referenced
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