Re: [PSES] ESD - Floating metal knob, otherwise grounded equipment

See 7.2.4.1 of the standard ( my bold text): Rationale: Ungrounded equipment, or*ungrounded part(s) of equipment,* cannot discharge itself similarly to class I mains-supplied equipment. If the charge is not removed before the next ESD pulse is applied, it is possible that the EUT or part(s) of

Re: [PSES] ESD - Floating metal knob, otherwise grounded equipment

Hi I had a similar situation. We ended using the alternative test method, with just extending the time between discharges. As per IEC 61000-42 Section 7.4.2.1: Therefore as an alternative, the following options may be used: • the time interval between successive discharges shall be extended to

Re: [PSES] ESD - Floating metal knob, otherwise grounded equipment

Oh Boy Elliott, you’ll get a few answers here, lol. My 10 cents is that when you are not discharging each time you are adding more and more charge to the isolated control, that eventually will snap over At that point you are discharging quite a significantly higher level of chart than an

[PSES] Japan PSE Labeling

Anyone know where to find vector files (dxf, ai, pdf, et cetera) for the PSE mark for Japan? Or dimension requirements? Thanks, [cid:image001.png@01D5F87E.2E1AE560] Mark Stultz 10175 Philipp Parkway Senior Mechanical Development Engineer Streetsboro, OH 44241 CMSE® - Certified Machinery

[PSES] ESD - Floating metal knob, otherwise grounded equipment

Hi Everybody, We're having some disagreements regarding the 61000-4-2 standard. In the section "ungrounded equipment", it states that ungrounded equipment or part(s) of equipment shall have the charge removed in between ESD pulses in order to not over-test. We have a product that only fails

[PSES] Procedure to move heavy 19" rack test equipment into EMI Chambers

Hi For those running EMI Labs was wondering what procedures you use to move Test Racks in and out of EMI Chambers, We use custom made ramps, which we put over the door threshold, aligning the front wheels on the ramp, then pushing the unit up and over into the chamber. Items which seem