Minimum Ignition Energy (MIE) – Dust Cloud Tester

Description：

Dust Cloud Minimum Ignition Energy Tester disperses a certain mass of dust specimen to be tested into the Hartmann tube device through a certain pressure of compressed air to form a cloud of dust, uses a specified spark energy to ignite the dust cloud, and obtains the minimum ignition energy of the dust specimen to be tested through a series of tests. It reflects the sensitivity of dust ignition from the energy point of view, and is suitable for evaluating the potential explosive hazard of dust clouds.

Reference Standards：

ASTM E2019

IEC 61241 - 2 - 3

ISO/IEC 80079 - 20 - 2

GB/T 16428

Product Features：

1. It has built - in commonly used international test standards, allowing for testing according to standard parameters or custom - setting.

2. During testing, only the ignition energy value needs to be input, and the instrument automatically selects the optimal combination of capacitance and voltage.

3. The high - voltage charging module automatically disconnects, improving operational safety.

4. The powder dispersion device is reasonably designed to ensure uniform dispersion of powder samples.

5. The instrument is flexible to use, with easy adjustment of the electrode spacing, spraying pressure, and delay time.

6. It automatically records the number of times the electrode ignites and reminds users to replace the electrodes in a timely manner to prevent electrode wear from affecting the test results.

7. The Hartmann tube is equipped with a lifting and rotating mechanism, which is convenient for cleaning and saves experimental time.

8. Remote ignition ensures the safety of experimenters.

9. User - level management enables the management and control of accounts at different levels.

10. The USB interface is plug - and - play, facilitating data management.

11. With professional industrial design, it is simple and elegant.

12. It has a user - friendly human - machine interaction, making it easy to learn, understand, and operate.

13. It is equipped with a 7 - inch color liquid - crystal touch screen that dynamically displays the experimental progress.

Technical parameters:

Operating Environment	(5～45)℃, <85%RH
General Purpose Mode	1 mJ,3 mJ,10 mJ
Spark Energy	30 mJ,100 mJ,300 mJ,1000 mJ,3000mJ
Custom Mode	(1～3000)mJ, settable, step 1mJ
Spark Energy	(0～15)kV
Charging Voltage	No load, 1mH inductive load
Discharge Load	1.2L Hartmann Tube
Experiment Vessel	Diameter 2mm Tungsten Electrode
Electrodes	(2～10)mm, Adjustable
Electrode Spacing	High Voltage relay triggered,... Moving electrode trigger
Electrode Trigger Mode	20ms～180ms, adjustable
Ignition Delay Time	0.4MPa～0.7MPa, adjustable
Powder Spray Pressure	USB*2
Interfaces	90～260VAC/47～63Hz
Power	300W

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