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Guangzhou Biaoji Packaging Equipment Co., Ltd.
GBN702 Respiratory resistance tester

GBN702 Respiratory resistance tester

Product catalog summary

Application
The GBN702 Respiratory Resistance Tester is designed to measure the inhalation and exhalation resistance of respirators and mask protective products under specified conditions. It is used by manufacturers and national labor protection article inspection agencies for testing and inspection of common mask products.

Standard
The device complies with standards GB2626-2006 and GB/T32610-2016.

Technical Parameters

Flowmeter Range: 0 L/min to 100 L/min
Flowmeter Range Accuracy: ±2%
Micro-pressure Measuring Range: -1000Pa to 1000Pa
Micromanometer Accuracy: 1Pa
Pumping Capacity of Suction: Not less than 100L/min
Ventilation Constant: (85 ± 1) L/min
Power Supply: AC220V, 50Hz

Features

The instrument includes an adjustable air source, a human head mold, two intubation systems for inhalation and exhalation, and a respiratory resistance measurement system.
High sensitivity flow sensor with a small starting flow.
Thermal mass flow meter chip ensures high-precision measurement without temperature and pressure compensation.
Integrated multiple sensors on a single chip for improved range ratio.
High zero point stability, full range accuracy, excellent repeatability, low power consumption, low pressure loss, and fast response speed.
Data logger with a graphic dot matrix LCD (128 × 64 resolution) and full Chinese interface for easy operation.
4M memory for measurement value recording.
Micromanometer sensor with high accuracy, good stability, and explosion-proof design.
Adjustable range and zero point for the micromanometer sensor, with minimal maintenance required.
Special gas path conversion elements for easy and fast conversion between exhalation and inhalation systems.
Compatible with the latest national standards for labor protection and daily protective masks.

Catalog excerpts

GBN702 Respiratory resistance tester Application The respiratory resistance tester is suitable for determining the inhalation resistance and exhalation resistance of respirators and mask protective products under specified conditions, and for the related testing and inspection of common mask products by manufacturers of national labor protection article inspection agencies. Copyright ©GBPI - No.1 Minghua 3 Street, Jinxiu Road, Economic Development Zone, Guangzhou 510730, China Contact: +86-20-86153789,

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Technical Parameters Item Technical Parameters Flowmeter range Flowmeter range accuracy Micro-pressure measuring range Micromanomet er accuracy Pumping capacity of suction Ventilation 0 L/min～100L/min ±2% -1000Pa～1000Pa 1Pa Not less than 100L / min Constant (85 ± 1) L / min Power Supply Features 1. The instrument consists of an air source that can adjust the flow rate, a human head mold specified in the standard, two intubation systems for inhalation and exhalation, and a respiratory resistance measurement system. 2. The flow sensor has high sensitivity and has a very small starting flow. 3....

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5. The zero point stability of the flow sensor is high, with full range and high stability, high accuracy over the full range, excellent repeatability, low power consumption, low pressure loss and fast response speed. 6. The data logger uses a graphic dot matrix LCD with a resolution of 128 × 64 and a full Chinese interface, which is easy to operate. 7, the data logger has 4M memory for measurement value recording. 8. The micromanometer sensor uses a two-wire system, with high accuracy and good stability; it is safe and reliable to use an explosion-proof design. 9. The range and zero point of...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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