Individual explosion-proof dust and toxin dual-use sampler

1、 Product Introduction:

DDY-8 typeIndividual explosion-proof dust and toxin dual-use samplerThe mining individual atmospheric sampler and mining individual dust sampler are developed and produced in strict accordance with the "Labor Health and Workshop Air Monitoring Standards", HBC 2-2001 "Environmental Air Sampler", JJG 956-2000 "Atmospheric Sampler", "MT162-95 General Technical Conditions for Workplace Dust Samplers", and the Exibl level explosion-proof design standard in GB3846.4-2000 standard. They are an instrument for measuring the average concentration of toxic and harmful gases during working days. DDY-8 typeIndividual explosion-proof dust and toxin dual-use samplerIt has the characteristics of small sampling airflow pulsation, large load capacity, stable flow rate, simple operation, safety and reliability, and easy portability. Equipped with a micro impact pre collector, the respiratory dust pre collector can separate respiratory dust and coarse powder dust that pose a threat to human health, and its separation efficiency meets the "BMRC" curve standard of *. Especially suitable for use in underground coal mines and other workplaces containing explosive gases.
It is widely used in disease prevention, environmental monitoring, labor protection, safety supervision, military, scientific research and teaching, mining, metallurgy, petrochemicals, railways, building materials and other departments for health monitoring and evaluation. It is particularly suitable for use in coal mines and other workplaces containing explosive gases, and can also be used in conjunction with relevant instruments. This instrument is driven by an imported low-energy micro air pump speed regulating motor, which automatically maintains a constant flow rate. It has a novel design, advanced technology, compact structure, and stable performance. It is currently a professional manufacturer of small portable individual explosion-proof dust and toxin dual-use sampling instruments in China.
2、 Product parameters:
1. Flow range: 20-500 ml/min, 0.1-1 L/min, 0.1-1.5 L/min, 0.1-3 L/min (optional);
2. Sampling flow rate: L=2 L/min (separation efficiency meets the BMRC curve standard of *);
3. Load capacity: 2.5 L/min [4.5 Kpa load];
4. Sampling range: dust, poison;
5. Constant current accuracy:<± 1.5%;
6. Filter membrane diameter: Φ 25 mm (TSP);
7. Flow meter accuracy:<2.5 level;
8. Flow stability:<± 5% within 30 minutes;
9. Environmental atmospheric pressure: 80 KPa to 110 KPa;
10. Sampling time error: not exceeding 1 second within 5 minutes;
11. Sampling head airtightness: no leakage at 1000 Pa pressure;
12. Display module: Four digit LCD display screen;
13. Timing range: 99 h 59 min (intelligent control by microcontroller);
14. Timing error: ≤± 0.1 ‰;
15. Working status: intermittent or continuous work;
16. Continuous time:>600 minutes;
17. Working conditions: -20~45 ℃;
18. Relative humidity:<85%;
19. Storage temperature: -30 ℃~55 ℃;
20. Work noise:<50 dB (A);
21. Working power supply: DC 6V/1.6An/Ni MH;
22. Charging current: 180 mA (standard type);
23. Dimensions: 128 × 88 × 45 (mm3);
24. Instrument weight: 0.5 kg (including battery pack);
25. Explosion proof mark: Exia II CT4;
26. Explosion proof form: Intrinsically safe type.
3、 Product features:
1. Intelligent digital display window reading, menu settings, constant voltage and current, touch switch, equipped with functions such as power, resistance, and flow compensation.
2. Accurate measurement and timing, high precision, compact structure, stable performance, suitable for both fixed-point sampling and portable mobile sampling.
3. Equipped with a Φ 25mm miniature pre collector, it can collect respiratory dust in the air, meeting the "BMRC" curve standard of *.
4. It can be used in conjunction with various air sample collectors, activated carbon sampling tubes, silicone sampling tubes, gas collection bags, and various solid detection tubes.
5. Intrinsically safe Exia II CT4, with a battery pack connected in series with six 0.51 Ω/3W current limiting resistors, encapsulated with epoxy resin.
6. The imported explosion-proof low-energy micro motor is equipped with three diodes in reverse parallel with the motor to form a protective component, which is both safe and reliable.
7. DC power supply, built-in battery adopts a non memory high-capacity battery pack, can be recharged at any time when sampling outside, with undervoltage and charging prompts.
8. Attention: It is strictly prohibited to disassemble and charge instruments in explosive gas environments.

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