Hioki Not supported
Hioki CM4003
Hioki CM4003 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 | Hioki |
|---|---|
| Model | CM4003 |
| Type | Clamp meter |
| Link | Bluetooth adapter |
| State | Not supported |
| Reason | Its Bluetooth protocol is not published, so the app cannot read it. |
The app cannot read this meter live over Bluetooth. You can still type its readings by hand.
Hioki CM4003 at a glance
| True RMS | Yes |
|---|---|
| Measures | AC leakage current, 40 mm core, 15 Hz-2 kHz, output and external power functions, Z3210 optional |
| 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 Hioki CM4003 give live readings in TestNMeasure?
No. Its Bluetooth protocol is not published, so the app cannot read it. So the CM4003 does not give live readings in the app yet.
Can I use the Hioki CM4003 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 Hioki CM4003 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.
Hioki is a trademark of its owner; TestNMeasure is not affiliated with or endorsed by Hioki.
Coming to iPhone and Android.
iOS and Android, beta this winter.
Questions or a meter to suggest? Mail support@testnmeasure.app.
No ad networks, no sign-up.