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Search found 17 matches

by Derek M
October 2nd, 2012, 1:13 am
Forum: Series 2300
Topic: 2306-VS - Leave Output On when using EXT Trigger
Replies: 0
Views: 10687

2306-VS - Leave Output On when using EXT Trigger

When using the External Trigger of the 2306-VS and carrying out a measurement (Current, Voltage, DVM), the output automatically switches off when exiting leaving Ext Trigger mode. If you want the output to stay on when leaving EXT Trigger mode, the following commands should be used: TRIG1:EXT:STEP:V...
by Derek M
February 27th, 2012, 12:45 am
Forum: Other Source Measurement Units (SMU)
Topic: Timestamp Units for 2420
Replies: 2
Views: 12420

Re: Timestamp Units for 2420

Hello, For the 2400 series, the timestamp for each measurement is stored with the measurement result. The following information is taken from the 2400 Users Manual ( http://www.keithley.com/support/data?asset=887 ), section 9. The first source-measure reading stored in the buffer (#0000) is timestam...
by Derek M
February 10th, 2012, 3:33 pm
Forum: Resistivity Measurements
Topic: Keithley 3706 - electrical resistance measurement
Replies: 5
Views: 21950

Re: Keithley 3706 - electrical resistance measurement

Hi Joanna, The variation in resistance between 9mOhm and 11mOhm does not look that bad a result. However, I experimented with your script and I changed the resistance range from "Auto" to a fixed value. I used the 100ohms range (dmm.range=100), but you could experiment with lower ranges. In terms of...
by Derek M
February 9th, 2012, 2:16 am
Forum: 2400 Series SourceMeter
Topic: Trigger problem with Keithley 2410
Replies: 1
Views: 8665

Re: Trigger problem with Keithley 2410

Hello, There is a trigger "latency" associated with the 2400 series of sourcemeters. The 2400 User Manual ( http://www.keithley.com/support/data?asset=887 )(Section A) gives the definition as: "Trigger latency is the time from when an external trigger event occurs to when the Source-Meter takes the ...
by Derek M
February 9th, 2012, 12:52 am
Forum: Resistivity Measurements
Topic: Keithley 3706 - electrical resistance measurement
Replies: 5
Views: 21950

Re: Keithley 3706 - electrical resistance measurement

Hello, Could you give me some examples of the variations that you are experiencing? Also how are you communicating with the 3706 - LAN, GPIB? What programming language are you using? What is the firmware version of the 3706? (From the front panel at switch on, press "Slot", for example "01.40k") Do ...
by Derek M
February 9th, 2012, 12:12 am
Forum: Electrometers
Topic: Drift of electrometer capacity vs time
Replies: 1
Views: 8659

Re: Drift of electrometer capacity vs time

Hello, The specifications in the manual, and from the data sheets, specify the accuracy that the meter will perform to for a period of one year from the last calibration. Unless stated otherwise in the data sheets, we do not provide accuracy figures for periods greater than one year. Therefore you c...
by Derek M
November 24th, 2011, 8:05 am
Forum: Other Keithley Instrument Products
Topic: period measuring
Replies: 1
Views: 11623

Re: period measuring

Hello Anatoliy,

The Tektronix FCA3000 and FCA3100 instruments will measure up to 1000s. These are Timer/Counter/Analyzers.

The Tektronics website is http://www.tek.com.

Hope this helps,

Derek
by Derek M
November 24th, 2011, 7:49 am
Forum: Series 2300
Topic: 2306 in solar power application
Replies: 1
Views: 13059

Re: 2306 in solar power application

Hello Kris, From the information that you have given I'm pretty sure that you will be able to characterize your charger using the 2306. You should use Channel 1 of the 2306 as your "battery simulator", and connect to the charger via the green connector on the back using 4 wires (Source+ and Sense+ c...
by Derek M
October 3rd, 2011, 2:31 am
Forum: ExcelLINX
Topic: ExceLINX and multimeter 2002
Replies: 1
Views: 8769

Re: ExceLINX and multimeter 2002

It is not possible to use ExceLINX with the 2002 DMM.

The following equipment can be used:

· Integra line (2700, 2701, 2750)
· -/Electrometer (6485, 6487, 6514)
· Plug-In Data Acquisition boards (several)
by Derek M
October 3rd, 2011, 2:23 am
Forum: Series 2700 Multimeter/Data Aquisition/Switch System
Topic: Read Measurement different to Front Panel
Replies: 1
Views: 8468

Re: Read Measurement different to Front Panel

I have set up a 2700 with 7700 and have been unable to replicate the problem.
What is the firmware version of your instrument?
What PC application or programming language are you using?
What comms interface - GPIB or RS232?
by Derek M
March 8th, 2011, 5:24 am
Forum: 2600 Series SourceMeter
Topic: 2602a Concurrent I and V measurement in VB
Replies: 2
Views: 10833

Re: 2602a Concurrent I and V measurement in VB

Hello, I'm not familiar with Visual Basic, but I can hopefully help with the command that needs to be sent to the 2602A. The command to read both current and voltage at the same time is: reading = smuX.measure.iv(ibuffer, vbuffer) More details can be found in the 2600 Reference Manual, page 19-123 h...
by Derek M
March 2nd, 2011, 2:59 am
Forum: Series 2000 and Series 2100 DMM's
Topic: 2000 - Shunt Resistors for current measurements
Replies: 1
Views: 8611

Re: 2000 - Shunt Resistors for current measurements

The 2000 has the following shunt resistors for current measurements:
0.1 Ohm for 3A, 1A and 100mA.
10 Ohm for 10 mA range.
by Derek M
March 2nd, 2011, 2:58 am
Forum: Series 2000 and Series 2100 DMM's
Topic: 2000 - Shunt Resistors for current measurements
Replies: 1
Views: 8611

2000 - Shunt Resistors for current measurements

What are the shunt resistor values for measuring current with the model 2000 DMM?
by Derek M
January 18th, 2011, 6:51 am
Forum: Nanovoltmeters
Topic: Sampling volt measurements, sample rate?
Replies: 2
Views: 12257

Re: Sampling volt measurements, sample rate?

Hello Thomas, I will assume that you are talking about the 2182A Nanovoltmeter, but if not, please let me know the model number. Most of Keithley's products are not "Real Time" instruments, i.e. you cannot predict exactly when each measurement will take place. Similarly you cannot predict the exact ...
by Derek M
December 17th, 2010, 2:19 am
Forum: Series 3700 Switch System/Multimeter and Plug-In Cards
Topic: LAN connection fails in long measurements
Replies: 14
Views: 42159

Re: LAN connection fails in long measurements

Hi Jusso,

Could you please let me know what version of firmware is on the 3706? You can find out by pressing "Menu", and then select "System-Info".

Thanks,

Derek
by Derek M
December 15th, 2010, 3:53 am
Forum: Series 2000 and Series 2100 DMM's
Topic: How to measure capacitance?
Replies: 2
Views: 12857

Re: How to measure capacitance?

Hello, The model 2000 is, unfortunately, not capable of measuring capacitance. In theory you should be able to calculate capacitance using the techniques that you mention, but in practice it would be virtually impossible to get any meaningful results. It sounds like you require either an LCR meter, ...
by Derek M
November 30th, 2010, 9:08 am
Forum: 2600 Series SourceMeter
Topic: Hi, video guide download
Replies: 1
Views: 8765

Re: Hi, source meter software labtracer

Hello,

Keithley has an instructional video on how to use the 26xx with Labtracer. This may help.

http://www.keithley.com/centralized_dis ... etid=53798

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