Determines the smallest quantity of energy, as a capacitive or inductive spark discharge, required to ignite a powder dust cloud. Resulting data can be used to assess risks in processing and handling industrial powders.
Specifications
- Mains Supply - 110 - 240 V a.c / 3 A
- Energy Range: 4 mJ – 2000 mJ
- 29 device capacitance bank (energy selection increments of 1 mJ)
- 0 - 15 kV adjustable high voltage power supply
- Arc gap breakdown voltage monitoring unit utilising JCI 140 internal proximity voltmeter
- New high voltage digital meter (to 3 decimal places) for accurately setting up the breakdown voltage during testing
- Dust / air dispersion unit with set of acrylic Hartmann tubes with adjustable air regulator facility and rear external air inlet connection
What data we get?
|
Kst Bar x m/s |
Dust class |
Characteristic |
|
0 |
St 0 |
No explosion |
|
0-200 |
St 1 |
Weak explosion |
|
200-300 |
St 2 |
Strong explosion |
|
>300 |
St 3 |
Very Strong explosion |
|
500 mJ |
Low sensitive ignition and plant earthing is advised |
|
100 mJ |
Earthing of personnel is advised |
|
25 mJ |
Sensitive to ignition & hazards from electrostatic discharge from dust clouds should be avoided |
|
10 mJ |
Highly sensitive to ignition & take precautions on the usage of highly resistive materials (plastics) |
|
1 mJ |
Extremely sensitive to ignition & precautions to be taken same as in the case of flammable liquids and gases |
Location
Address
KELVN International Safety Services Pvt. Ltd.,
Cynosure Enterprises Building, 2nd Floor, Plot No.3, Road No.12, TSIIC Tech Park, IDA Nacharam, Hyderabad-500076, Telangana.
Phone: +91 9440408111.
Email: info@kelvn.in
