Search found 25 matches

by Jabsam
Mon Mar 19, 2018 8:57 am
Forum: PicoDiagnostics NVH
Topic: Orders and Harmanic
Replies: 4
Views: 2644

Re: Orders and Harmanic

Hi Steve, You have asked my questions, orders=Harmanic, amplitudes disminishing, the for the weights adding. Thank you. Could I ask one more question? You made an egg shaped tyre for example, it will generate 2 disturbances per revolution. And I understand the T2>T1, our NVH software will show T1,T2...
by Jabsam
Tue Mar 13, 2018 2:29 am
Forum: PicoDiagnostics NVH
Topic: Orders and Harmanic
Replies: 4
Views: 2644

Orders and Harmanic

Hi All, I have some confuse about the items. Could someone make some interpretation for me? Many thanks. 1. Orders If we have very perfect balance shaft rotating, it should no vibration at all. If we attach a weight on it to make it imbalance, it will be a first order vibration (let's us E1 stand fo...
by Jabsam
Tue Jan 27, 2015 5:50 am
Forum: Help me fix my car
Topic: Ford S-max 1.8TDCI Diesel Knock after exchange engine
Replies: 12
Views: 10433

Re: Ford S-max 1.8TDCI Diesel Knock after exchange engine

May I ask a foolish question? For this is a diesel engine, where you connect the WPS500X to for the compression waveform?
Many thanks.
by Jabsam
Mon Dec 22, 2014 6:47 am
Forum: Automotive kit hardware
Topic: FlexRay test
Replies: 1
Views: 8481

FlexRay test

Hi,

Shall I need one or two MI007 probe to carry the FlexRay test? I found your advanced kit just included one MI007.

Cheers,
Sam
by Jabsam
Mon May 05, 2014 2:21 am
Forum: Diagnostic discussion
Topic: misfire definition
Replies: 4
Views: 2903

misfire definition

Hi everybody,

I have a little confusion about the term Misfire recently. Can somebody here make a exact definition for me? What is Misfire?

Thanks advance.
Cheers.
Sam
by Jabsam
Mon Jan 21, 2013 2:03 am
Forum: Automotive kit hardware
Topic: coloured BNC test leads
Replies: 2
Views: 3644

coloured BNC test leads

Hi friends, There is one thing I wanna confirm here. As we know, Pico have four coloured BNC test leads, blue,red,green &yellow. I suppose blue used for CHA, red for CHB, green for CHC, yellow for CHD. While we are connecting blue lead to CHA and the fixed ground cable of blue connecting to battery ...
by Jabsam
Wed Nov 28, 2012 1:00 pm
Forum: Diagnostic discussion
Topic: CAN BUS test
Replies: 6
Views: 4842

Re: CAN BUS test

Hi Darren,

Thanks for your reply. Could you please explain that why the end of data message have peaks more than 3.5 Volt for CAN H & less than 1.5 Volt for 1.5 for CAN L?
by Jabsam
Tue Nov 27, 2012 6:08 am
Forum: Diagnostic discussion
Topic: CAN BUS test
Replies: 6
Views: 4842

Re: CAN BUS test

The waveform is from a Buick car. The CAN H & L look like normal. Sorry the picture in my post above, I activated filter on Ch B. I most interest in why the one part of CAN H excessed 3.5 V (and one part of CAN L less than 1.5V). But while I disconnected the EBCM and VES, the CAN Bus swictched norma...
by Jabsam
Mon Nov 26, 2012 6:32 am
Forum: Diagnostic discussion
Topic: CAN BUS test
Replies: 6
Views: 4842

CAN BUS test

Hi All.

Do you think this Can Bus signal is correct? Thanks.
can bus.jpg
by Jabsam
Thu Aug 16, 2012 7:30 am
Forum: PicoScope 6 Automotive software
Topic: PicoScope 6.7 Beta released! (Updated)
Replies: 20
Views: 22398

Re: PicoScope 6.7 Beta released! (Updated)

Hi, how to set the software to save data directly to computer ? I have tried to set time base more than 1s/div , and the software still just save 32 buffers.