External power supply instead of batteries
This 3 V USB power supply allows MESSBO Digi-04 and Digi-10 digital pressure gauges to be operated from a suitable regulated 5 V USB power source.
The yellow active AAA dummy permanently connected to the cable and the supplied green passive AAA dummy together replace the two 1.5 V AAA batteries normally required. The voltage converter integrated into the USB-A plug reduces the 5 V input voltage to the required 3 V DC.
The inline on/off switch allows the power supply to be interrupted without unplugging the USB connector. The power supply replaces the battery supply only. All functions of the connected digital pressure gauge remain unchanged.
Technical data
- Input voltage: 5 V DC
- Connection: USB-A male plug
- Output voltage: 3 V DC
- Battery replacement: 2× AAA or LR03
- Cable length: approx. 1 m
- Integrated inline on/off switch
- Suitable for MESSBO Digi-04 and Digi-10
- Dummy colours: yellow and green
Scope of delivery
- 1× complete 3 V USB power supply consisting of a USB-A cable with integrated 5 V/3 V converter, inline on/off switch and permanently connected yellow active AAA dummy
- 1× green passive AAA dummy
- 1× operating instructions in German and English
Digital pressure gauge, USB mains adapter and USB-A to USB-C adapter are not included.
Optional accessories
A suitable 5 V USB power source is required for operation. A matching USB mains adapter with USB-A socket and a USB-A to USB-C adapter for USB-C power sources are available separately from the MESSBO shop.
Installation note
To prevent the cable from being pinched or damaged, it may be necessary to make a small notch in the plastic battery compartment cover at the cable exit. The procedure is described in the supplied operating instructions.
Safety information
- Operate only from a suitable regulated 5 V USB power source.
- Use the yellow active and green passive AAA dummies together only.
- Never use them together with real batteries or rechargeable cells.
- This product is not a battery charger and must not be used to charge batteries or rechargeable cells.
- Inspect the cable, plug, switch and dummies for damage before use.
- Protect from moisture and use only in dry indoor areas.
- Not suitable for use in potentially explosive atmospheres.
Product safety information
Manufacturer information:
Messgeräte Bondza
Friedrich-Gauss-Strasse 2
Nordrhein-Westfalen
Sankt Augustin, Deutschland, 53757
info@messbo.de
https://messbo.de
Responsible person:
Messgeräte Bondza
Friedrich-Gauss-Strasse 2
Nordrhein-Westfalen
Sankt Augustin, Deutschland, 53757
info@messbo.de
https://www.messbo.de
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