Products > Test Equipment

Amazon Do Multimeters Now

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BillyO:

--- Quote from: skander36 on October 12, 2022, 07:38:45 am ---This is the battery.

--- End quote ---
So, it looks like that battery has multiple source manufacturers.  It may be around for a while.

I missed out .. you snooze, you loose.

skander36:

--- Quote from: BillyO on October 12, 2022, 02:35:53 pm ---So, it looks like that battery has multiple source manufacturers.  It may be around for a while.

--- End quote ---

Indeed. This battery seem that it is used also in other CEM products.
Hope it will be still available when we need it  :) .

https://www.aliexpress.com/item/1005003444414839.html
https://www.batteries4pro.com/en/Tooling/measuring-device/3,19148-74v-12ah-li-ion-battery-for-cem-particle-counter-dt-9880-4894128168553.html
https://www.amazon.ca/PT603450-2S-Replacement-DT-9881M-DT-9880M-DT-9883M/dp/B09JFSPVMZ
https://www.walmart.com/ip/Synergy-Digital-Equipment-Battery-Compatible-CEM-PT603450-2S-Equipment-Li-ion-7-4V-1200mAh-Ultra-High-Capacity-Replacement-Battery/871799700

Kosmic:
Small detail about the 90DM890, the Bluethooth module is missing and the option is not in the setup menu. So, there's no way to connect to meter to phone or PC.



skander36:
DMM 90DM890 does not advertise bluetooth connection.
The original (CEM DT989) and the Peaktech P3440 have bluetooth connection.
So no BT, no IR, no TFcard for 90DM890.
Instead you can realtime plot the trend on device screen, which is a rare feature. The others meters need to be connected to a PC to do that. They can log (record) values and they can plot trending only on the end of the recordng. This meter also have recording function, along with graph (realtime plot).

DaneLaw:
For 72 bucks, it's certainly "bang for the buck" and if you're in the market for a new decent meter, it seemed like a steal for that price.
I was quite close to jumping on this deal, like a week back at that 72 USD price, as there suddenly out of the blue was 1 unit left in stock (from otherwise being outsold) and with a fair shipping cost to Denmark +14USD (EU) .-- and a notice about no extra VAT or tariffs at delivery to Denmark (I highly doubt that)
and had it in my basket, and almost finalized/paid - but it does seem to add VAT (at least some estimated) and the final price seems to summon to around 109 USD, so quite a bit more. (+50%)

Though' after going through a few reviews and the fact that it seemed kind of slow to get a reading, and I was not even sure if it were a handicapped downgraded version where certain features, like Bluetooth, etc, were removed
I came to my senses - and if I really need yet another common multimeter, that does more or less the same thing.
- the 50k count and the onscreen graphing appealed to me and a cat-rating that seems loyal, but all my use cases is mains (230v) or low DC.
Decided to pass on it, and instead made an order for a Pico 4 VR, to try the world of this VR that some people seem to be fond of, as other parts of the household/family can also try that..
at 72 bucks for US residents for 90DM890, it was certainly a solid purchase, even with the lack of Bluetooth etc..but that wireless feature is pretty nice to have, though not sure how well implemented it is with the org. CEM BT app which I recall were some "of the shelf third-party app" that is being used under quite a few other brands.

2016 - 38 USD Owon 35series meter is using a somewhat halfbaked-app, though the update rate is pretty fast with its BLE signal with 2 or 3 times update per second // https://tinyurl.com/49v4avcu
and kind of nice you can graph out numerous graphs in different colors to compare values..but the X-Y interaction leaves a lot to be desired on that Owon app, though still a shame they have removed the Bluetooth-chip / UI-interface for the Amazon 90DC890 variant
Judging by Youtube videos about the Bluetooth app on these relative high-end CEMs' it's using an app called Meterbox BLE, which seems way worse than even Owon's old BLE app, so your not missing a lot, not having that BT module...

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