For measurement of conductivity / resistivity of powder samples to enable identification of highly insulating powders which may create electrostatic ignition risks.
Powders will nearly always acquire electrostatic charge during processing, the level of charge being largely determined by the violence of the process.
Specifications
- Custom manufactured power supply with 500 V, 1 kV, 2 kV, 3 kV (fixed settings) and 0 - 10 kV (adjustable settings for other uses requiring higher voltages)
- Accuracy +/- 1 V on 500 V range, + / - 10 V (all other fixed settings), within +/- 100 V with 10k V applied on the 0 - 10 kV adjustable range. Maximum current draw from power supply 500 μA
- Minimum resistance measurement possible is approximately 1 - 2 MΩ – dependent on sample properties and power supply voltage output tolerances
- Custom manufactured test cell with guard ring electrode incorporated
- Picoammeter for measurement of current through or across the test sample (2 nA to 20 mA ranges) – 2 nA range has 10 fA resolution + / - 400 fA Noise 20 fA. Manufacturer‘s calibration certificate supplied.
What data we get ?
|
Observation |
Class |
|
Powder is highly conductive |
Resistivity ≤ 106 Ω-M |
|
Powder is highly static dissipative |
Resistivity > 106 & ≤ 1012 Ω-M |
|
Powder is highly resistive |
Resistivity ≥1012 Ω-M |
Note:
If the Powder Resistively is not available, assume >1010 – 1013 Ohm m.
Powder Resistivity data is not needed if MIE is greater than 25 mJ
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 9000292636.
Email: info@kelvn.in
