Products > Test Equipment
TH2830 vs TH2832
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GnomeZA:
Ok so update after playing with the meter some more.

My TH2830 was calibrated 2023-12-05 (YY-MM-DD) based on the report with the meter (yeah wow, buying from AliExpress factory store has some advantages I guess).
The meter was double boxed and sealed with Tonghui tape, so I doubt they replaced the report
The firmware for my TH2830 is clearly newer than any available on this thread and the version I have has the following that KungFuJosh was missing:

1. Arbitrary frequency up to 100kHZ
2. DCR measurement

What is missing:

1. Frequency > 100kHz
2. Bias adjustment, the item is there but it shows "----" and no amount of pressing and messing with it makes it available.

I'm not quite willing to risk the calibration and bugs in exchange for those two features.
pope:

--- Quote from: GnomeZA on December 19, 2023, 12:17:14 pm ---Ok so update after playing with the meter some more.

My TH2830 was calibrated 2023-12-05 (YY-MM-DD) based on the report with the meter (yeah wow, buying from AliExpress factory store has some advantages I guess).
The meter was double boxed and sealed with Tonghui tape, so I doubt they replaced the report
The firmware for my TH2830 is clearly newer than any available on this thread and the version I have has the following that KungFuJosh was missing:

1. Arbitrary frequency up to 100kHZ
2. DCR measurement

What is missing:

1. Frequency > 100kHz
2. Bias adjustment, the item is there but it shows "----" and no amount of pressing and messing with it makes it available.

I'm not quite willing to risk the calibration and bugs in exchange for those two features.

--- End quote ---

Sorry for being out of topic but you ordered from aliexpress 3-4 days ago and you already got it?
mawyatt:

--- Quote from: GnomeZA on December 19, 2023, 12:17:14 pm ---Ok so update after playing with the meter some more.

My TH2830 was calibrated 2023-12-05 (YY-MM-DD) based on the report with the meter (yeah wow, buying from AliExpress factory store has some advantages I guess).
The meter was double boxed and sealed with Tonghui tape, so I doubt they replaced the report
The firmware for my TH2830 is clearly newer than any available on this thread and the version I have has the following that KungFuJosh was missing:

1. Arbitrary frequency up to 100kHZ
2. DCR measurement

What is missing:

1. Frequency > 100kHz
2. Bias adjustment, the item is there but it shows "----" and no amount of pressing and messing with it makes it available.

I'm not quite willing to risk the calibration and bugs in exchange for those two features.

--- End quote ---

1) Believe the TH2830 offers 5 digit resolution (display) for all frequencies from 50 to 100KHz, ours does :-+

2) The 2830 has no built in DC Bias (enabled), think this comes with the 2832. If you build the DC Bias Adapter we disclosed, then you have much more DC Bias Range than what the 2832 offers, so capability is easily available.

Best,
nctnico:

--- Quote from: GnomeZA on December 19, 2023, 12:17:14 pm ---Ok so update after playing with the meter some more.

My TH2830 was calibrated 2023-12-05 (YY-MM-DD) based on the report with the meter (yeah wow, buying from AliExpress factory store has some advantages I guess).

--- End quote ---
Any link to the Tonghui Aliexpress factory store?
luudee:

--- Quote from: nctnico on December 19, 2023, 02:29:34 pm ---
Any link to the Tonghui Aliexpress factory store?

--- End quote ---

Hi Nico,

I bought my unit from this shop (3 years ago):

https://www.aliexpress.com/item/10000131204659.html

I don't think that is the factory store.

Also, considering the very shitty support, I would advise against Tonghui.
I have never received any firmware updates or bug fixes ...

Cheers,
rudi
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