CEM Not supported
CEM DT-9989
CEM DT-9989 cannot be read live over Bluetooth in TestNMeasure yet. You can use it with the app today by typing its readings by hand; they are marked manual.
iOS and Android, beta this winter.
Status in TestNMeasure
| Brand | CEM |
|---|---|
| Model | DT-9989 |
| Type | Multimeter |
| Link | Bluetooth LE built in |
| State | Not supported |
| Reason | How its Bluetooth link works is not known to us yet. |
The app cannot read this meter live over Bluetooth. You can still type its readings by hand.
CEM DT-9989 at a glance
| Display | 50000 |
|---|---|
| True RMS | Yes |
| Measures | V, A, Ω, cap, Hz, duty, temp, diode, continuity, insulation test, built-in oscilloscope with peak capture |
| Safety rating | CAT III 1000 V / CAT IV 600 V |
| Availability | On sale |
| The maker's own app | iPhone, Android |
Sources: Product page · Manual · read 3 November 2026
Use it with TestNMeasure today
Add it as a manual instrument and type each reading into the same step. Typed values are marked manual wherever they appear, in reports too.
Want it read live? Ask us to add it We choose the next meter from these requests.
Questions
Does the CEM DT-9989 give live readings in TestNMeasure?
No. How its Bluetooth link works is not known to us yet. So the DT-9989 does not give live readings in the app yet.
Can I use the CEM DT-9989 with TestNMeasure today?
Yes. Add it as a manual instrument and type each reading into the same step; typed values are marked manual wherever they appear. Your instrument list keeps it by name.
How do I ask for the CEM DT-9989 to be added?
Use the “Ask us to add it” link on this page and we get the make and model. We choose the next meter from these requests.
CEM is a trademark of its owner; TestNMeasure is not affiliated with or endorsed by CEM.
Coming to iPhone and Android.
iOS and Android, beta this winter.
Questions or a meter to suggest? Mail support@testnmeasure.app.
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