Author Topic: Siglent Bench DMMs SDM3065X, SDM3055 and SDM3045X  (Read 383536 times)

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Offline Calvin

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Re: Siglent Bench DMMs SDM3065X, SDM3055 and SDM3045X
« Reply #400 on: June 20, 2019, 06:43:43 am »
Hi,

Welectron offers them at this moment for 688,24€ and 806,72€ exVAT, only a 17% up.

regards
Calvin
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Offline markus_jlrb

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Re: Siglent Bench DMMs SDM3065X, SDM3055 and SDM3045X
« Reply #401 on: June 25, 2019, 10:43:02 am »
Dear EEVBlogger,

someone there who could explain to me the difference
in HW version 02-02-00-05-00 vers 01-01-00-02-00 of the
SDM3065X device.

Is there a drawback baying a 01-01-00-02-00 device
instead of the 02-02-00-05-00 version, concerning
precision, stability or lifetime of such a device?

My second question concerning the SDM3065X is,
if there is a possibility to scale a voltage measured
via a current shunt in order to match the display.
Many shunts offered will have a 75mV full range
voltage at the terminals.
100mV shunts are difficult to find and they are
more expensive.
perhaps this could be done by the math menu?

Many thanks in advance for your anwser and clarification.

Markus


 

Offline tautechTopic starter

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Re: Siglent Bench DMMs SDM3065X, SDM3055 and SDM3045X
« Reply #402 on: July 06, 2019, 01:34:36 am »
I have an SDM3065X. And an SDG2042.

If Siglent were a normal company they would have rack mounting hardware such that my meters could be mounted side-by-side, using a total of 2U. Not so, SDG-RMK is not of this world, it's the freak show of rackmounting kits. What is it whith chinese design, or rather the lack of it? Like the new Rigol SG:s, or ... SDG-RMK.
I asked about dual rack mounts a few weeks back and forgot to post about them.......they're coming !
Dunno any time frames but suggest you keep a watch on Siglent websites for them.
The new dual rack mount is listed as # SDG-2-RMK on P85 of the latest catalog:
Rackmount kit for two instruments , compatible with the SDG800, SDG1000, SDG1000X,SDG2000X, SDG5000 and SDG6000X series function generator and SDM3045X, SDM3055, SDM3065X digital multimeters
https://www.siglentamerica.com/download/8263/
« Last Edit: July 06, 2019, 01:36:58 am by tautech »
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Offline doddemail

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Re: Siglent Bench DMMs SDM3065X, SDM3055 and SDM3045X
« Reply #403 on: July 15, 2019, 04:24:46 pm »
Hi All,

My SDM3045X compared to my SDM3055 and Fluke 187 has only on the DC range and mostly on the 6 volt range an diviation of 5.4 milivolt  :wtf:
now i want to correct this so i am looking for these files from Siglent

According to the SDM3045XService  Manual i need these python scripts

The python scripts include 8items as the following:
DCV_Cal: Calibrate DCV function
ACV_Cal: Calibrate ACV function
DCI_Cal: Calibrate DCI function
ACI_Cal: Calibrate ACI function
R2W_Cal: Calibrate 2 wire resistance function
R4W_Cal: Calibrate 4 wire resistance function
CAP_Cal: Calibrate Capacitance function
TEMP_Cal: Calibrate Temperature function

i have access to a calibrated Fluke 5522A so this must be appeltje eitje  :-+

thanks in regards

Mischa
« Last Edit: July 15, 2019, 04:42:52 pm by doddemail »
 
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Offline tautechTopic starter

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Re: Siglent Bench DMMs SDM3065X, SDM3055 and SDM3045X
« Reply #404 on: July 15, 2019, 10:49:16 pm »
@ doddemail
Welcome to the forum.

Before you consider calibration adjustments please check measurements again with concern over possible EMI/RFI and your DC source is accurate and clean without ripple or other interference.
The latest Service manual and datasheet with accuracy specs can be downloaded here:
https://www.siglenteu.com/resources/documents/digital-multimeter/#sdm3045x-series

You will need all the specified equipment to attempt calibration (HW and SW) and the Hamburg office should be able to provide you with Cal scripts on request.
https://www.siglenteu.com/contact-us/

I would provide them with evidence of the measurement errors to enforce your need for the Cal scripts.
Please report the outcome.
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Offline n3mmr

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Re: Siglent Bench DMMs SDM3065X, SDM3055 and SDM3045X
« Reply #405 on: July 16, 2019, 11:28:34 am »
I take it there are no useful hacks to be performed on a sdm3045x?

What other use could there be for having free root access to the OS of such a device?

 

Offline tautechTopic starter

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Re: Siglent Bench DMMs SDM3065X, SDM3055 and SDM3045X
« Reply #406 on: July 17, 2019, 07:53:51 am »
I take it there are no useful hacks to be performed on a sdm3045x?
None that anybody's been willing to try.....but sure it's been considered here before now.

Quote
What other use could there be for having free root access to the OS of such a device?
SCPI commands, see Reply #336
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Offline n3mmr

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Re: Siglent Bench DMMs SDM3065X, SDM3055 and SDM3045X
« Reply #407 on: July 17, 2019, 02:46:37 pm »
Does SCPI via telnet to port 5024 require root access to the OS? REALLY??
 

Offline BillB

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Re: Siglent Bench DMMs SDM3065X, SDM3055 and SDM3045X
« Reply #408 on: July 17, 2019, 05:25:18 pm »
Does SCPI via telnet to port 5024 require root access to the OS? REALLY??

No.  Not for normal SCPI use. 
 

Offline tv84

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Re: Siglent Bench DMMs SDM3065X, SDM3055 and SDM3045X
« Reply #409 on: July 17, 2019, 06:44:53 pm »
Does SCPI via telnet to port 5024 require root access to the OS? REALLY??

There is no OS in these equipments so you can't access the OS! It's only a single "application" running.   :palm:
« Last Edit: July 18, 2019, 10:36:09 am by tv84 »
 

Offline n3mmr

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Re: Siglent Bench DMMs SDM3065X, SDM3055 and SDM3045X
« Reply #410 on: July 18, 2019, 06:23:56 am »
Does SCPI via telnet to port 5024 require root access to the OS? REALLY??

There is no OS in these equipments so you can't access the OS! It's only a single "application" running.

I wrote my question after seeing your post, tv84, about a set of ads files containing a script giving password free root access telnet to port 1101.
And that set included one for the sdm3045x.
« Last Edit: July 18, 2019, 06:29:46 am by n3mmr »
 

Offline tv84

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Re: Siglent Bench DMMs SDM3065X, SDM3055 and SDM3045X
« Reply #411 on: July 18, 2019, 10:28:31 am »
Does SCPI via telnet to port 5024 require root access to the OS? REALLY??

There is no OS in these equipments so you can't access the OS! It's only a single "application" running.

I wrote my question after seeing your post, tv84, about a set of ads files containing a script giving password free root access telnet to port 1101.
And that set included one for the sdm3045x.

n3mmr,

Please accept my apologies!! I should have stayed silent...  |O |O |O   (getting old...   :palm: )

Of course they have an OS. You can easily see that in the parsings:

https://www.eevblog.com/forum/testgear/siglent-ads-firmware-file-format/msg1335892/#msg1335892

You have scripts for the 3 models:

https://www.eevblog.com/forum/testgear/siglent-ads-firmware-file-format/msg1870091/#msg1870091
« Last Edit: July 18, 2019, 10:38:03 am by tv84 »
 

Offline n3mmr

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Re: Siglent Bench DMMs SDM3065X, SDM3055 and SDM3045X
« Reply #412 on: July 18, 2019, 11:45:22 am »
Does SCPI via telnet to port 5024 require root access to the OS? REALLY??

There is no OS in these equipments so you can't access the OS! It's only a single "application" running.

I wrote my question after seeing your post, tv84, about a set of ads files containing a script giving password free root access telnet to port 1101.
And that set included one for the sdm3045x.

n3mmr,

Please accept my apologies!! I should have stayed silent...  |O |O |O   (getting old...   :palm: )

Of course they have an OS. You can easily see that in the parsings:

https://www.eevblog.com/forum/testgear/siglent-ads-firmware-file-format/msg1335892/#msg1335892

You have scripts for the 3 models:

https://www.eevblog.com/forum/testgear/siglent-ads-firmware-file-format/msg1870091/#msg1870091

Don't fret! I've done worse!

Question remains, though, are there any useful changes or hacks that can be inflicted on a 3045x thru that telnet access?
 

Offline BillB

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Re: Siglent Bench DMMs SDM3065X, SDM3055 and SDM3045X
« Reply #413 on: July 18, 2019, 12:39:45 pm »
Question remains, though, are there any useful changes or hacks that can be inflicted on a 3045x thru that telnet access?

The 3045X has about 99% of the features of the 3055.  I think there have been images posted of the internals of both units, but I don't know if there has been any conclusion about physical differences.  I know the 3055 has a fan and the 3045X doesn't.  I haven't delved too far into the configuration files, but short of exceeding the safe limits put in place ranges, I don't know that there is anything useful that can be done to improve the 3045X.
 

Offline tautechTopic starter

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Offline ahope

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Re: Siglent Bench DMMs SDM3065X, SDM3055 and SDM3045X
« Reply #415 on: November 10, 2019, 03:22:19 pm »
Hi,
Just got my labview home bundle and discovered that the siglent labview driver that you can download from siglentna.com is too new. The Labview Home is based on Labview 2014.

Anyone got labview 2014 drivers for the 3045X?
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Online skander36

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Re: Siglent NEW Bench DMMs SDM3065X, SDM3055 and SDM3045X
« Reply #416 on: November 16, 2019, 05:23:53 pm »
Thanks for this clarification. Hopefully I have Appa 109N, which being portable is capable of such a function.
I'd like to ask another question - regarding temperature measuring. I've noticed that K-type probe, which works Ok with my Appa 109N DMM is showing approx. +4 celcium degrees on SDM3055. I have found no way to calibrate it or do anything with this situation. Is there some procedure for changing ITS90 tables inside the device, or calibrating the probe?

I don't know of any user-adjustable way to change the Temperature calibration on the SDM3065X.

I noticed the accuracy of the Appa 109N is listed as 0.1% + 3 deg C.
The SDM3065X accuracy for a K thermocouple is 0.5 dec C after a 90 minute warm-up. It also has built in cold-junction compensation.

Hi,
I have the same problem with SDM3065X . All K-Type probes I tested, show variations +/- 5 degree C .
How can I use temp. measurement function on this instrument ?
There are a specific  probe that can be used ?
There are methods to calibrate temp range ?

Thank you !
 

Online Kleinstein

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Re: Siglent Bench DMMs SDM3065X, SDM3055 and SDM3045X
« Reply #417 on: November 16, 2019, 06:24:58 pm »
Thermocouple measurements are tricky with just the 4 mm input jacks. Just the wrong connectors could cause trouble and cold junction compensation is also tricky, as the effective cold junction may be outside the meter.  Things may get better with a scanner card.
 
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Online skander36

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Re: Siglent Bench DMMs SDM3065X, SDM3055 and SDM3045X
« Reply #418 on: November 19, 2019, 06:13:44 pm »
In fact I realize that I cannot use REL function , because my meter display 33 degrees without probe . So if I press REL it will display a negative value after I connect the probe , because it will compensate the initial value.
It is normal to show 33 degree (on K type) without probe ?
Any one that can verify with this multimeter (SDM 3065X) ?

Thank you !
 

Online Kleinstein

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Re: Siglent Bench DMMs SDM3065X, SDM3055 and SDM3045X
« Reply #419 on: November 19, 2019, 07:57:29 pm »
With open inputs the thermocouple reads can be all over the place, just like with high impedance voltage reading.

With a short instead of the thermocouple (this may also apply if 10 M impedance mode is used) there would be zero voltage and thus reading of the cold junction temperature. 33 C is quite warm, but possible with quite some heat from the instrument and if the measured temperature is more to the inside. There may be more detailed instructions on how to connect a thermocouple - the transitions from TC to copper should be near the measured temperature. This may require special connectors to get this right.
 

Online skander36

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Re: Siglent Bench DMMs SDM3065X, SDM3055 and SDM3045X
« Reply #420 on: November 19, 2019, 08:45:09 pm »
I cannot select 10 M on this function .
I am using  K type probes .
Why it is not working as supposed ?
A 10 dollar,  ordinary meter  from aliexpress show the temp correctly .
Do you have the same meter ?

 

Online Kleinstein

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Re: Siglent Bench DMMs SDM3065X, SDM3055 and SDM3045X
« Reply #421 on: November 20, 2019, 03:37:38 pm »
One thing to possibly go wring is having the thermo-couple wires reversed. I would first check with just just a short instead of the probe.

I don't see a special connector, so I would expect the TC function to be of marginal use. A little like cheap meters without an extra plug (that could interfere with a good CAT rating).
 

Online skander36

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Re: Siglent Bench DMMs SDM3065X, SDM3055 and SDM3045X
« Reply #422 on: November 22, 2019, 08:02:08 am »
One thing to possibly go wring is having the thermo-couple wires reversed. I would first check with just just a short instead of the probe...
;D
Fortunatelly is much simpler. If you reverse wires,  the value start to decrease when you touch the sensor ...
I contacted Siglent support and they told me that a new firmware is about to be released . This will fix the lookup table for K-type sensors, and much more it will add support for create a new sensor with all attributes so any sensor can be characterized. (Custom sensor)
Stay tuned ...
 
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Offline tautechTopic starter

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Re: Siglent Bench DMMs SDM3065X, SDM3055 and SDM3045X
« Reply #423 on: November 23, 2019, 07:53:05 pm »
New SDM3055 firmware

Version 1.01.01.20R2
8.2 MB
https://int.siglent.com/u_file/download/19_11_21/96f162aae6.zip

Release notes

Bug fix: Long file names will no longer crash the system
1. Change the size of text in dual display mode
2. Added customer defined time base in the trend diagram.
3. Enhanced the volume of buzzer.
4. Bug fix: The screen saving setup was lost after power cycle/reboot.
5. Moved CSV file save function from the utility page to the acquire page.
6. Added recording measurement data to external U disk.
7. Added the PT1000 temperature measurement.
8. Bug Fix: when repeat single trig measurement, the screen is blocked.
9. Optimize the temperature measure function
« Last Edit: November 23, 2019, 07:58:14 pm by tautech »
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Offline tautechTopic starter

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Re: Siglent Bench DMMs SDM3065X, SDM3055 and SDM3045X
« Reply #424 on: November 23, 2019, 08:27:35 pm »
New firmware for SDM3045X

Version V5.01.01.05R3
8 MB
https://int.siglent.com/upload_file/zip/firmware/A_multimeter/SDM3045X_5.01.01.05R3.zip

Release notes
1. Fix a bug about single trig function .
2. Fix a bug about save/recall function.
3. Fix a bug in U disk update function .
4. Optimize the temperature measure function.
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