1. Introducere
This manual provides essential instructions for the safe and effective operation of your VOLTCRAFT RM-400 Geiger Counter. The RM-400 is designed for detecting Alpha, Beta, Gamma, and X-ray radiation, featuring high measurement accuracy, an internal memory for 4000 readings, a large LCD display, and Bluetooth connectivity for data evaluation. Please read this manual thoroughly before using the device.
2. Informații de siguranță
AVERTIZARE: To reduce the risk of injury, always read and understand the operator's manual before using this device.
- Ensure batteries are correctly installed before operation.
- Do not attempt to open or modify the device, as this may compromise its accuracy and safety features.
- Keep the device away from extreme temperatures, moisture, and strong magnetic fields.
- This device is for informational and detection purposes. It is not a substitute for professional radiation safety equipment or expert advice.
- Aruncați bateriile și dispozitivul conform reglementărilor locale.
3. Produs terminatview
The VOLTCRAFT RM-400 is a handheld Geiger counter designed for comprehensive radiation detection.

Figura 3.1: Înclinat view of the VOLTCRAFT RM-400 Geiger Counter, highlighting the display and control buttons.
3.1 Componentele dispozitivului
- Geiger-Müller Tube: Located at the top, responsible for detecting radiation.
- Display LCD: Large screen for displaying measurement data, time, and settings.
- Butoane de control: For navigation, settings, saving data, and power.
- Compartiment baterie: Located at the rear for 4x 1.5V AA batteries.
- Modulul Bluetooth: For wireless data transfer to evaluation software.

Figura 3.2: Față view of the RM-400, showing the layout of the control buttons: SETUP, SAVE, SV/h R/h, Power, GPS/CAL/ML, ESC, and navigation arrows.

Figura 3.3: Spate view of the RM-400, indicating the battery compartment and safety warnings, including the requirement for 4x 1.5V AA batteries.
4. Configurare
4.1 Instalarea bateriei
- Localizați capacul compartimentului bateriei pe spatele dispozitivului.
- Glisați sau desfaceți capacul pentru a-l deschide.
- Insert 4x 1.5V AA batteries, ensuring correct polarity (+/-) as indicated inside the compartment.
- Puneți bine capacul compartimentului bateriei.
4.2 Pornirea inițială
- Țineți apăsat butonul Putere butonul până când afișajul se aprinde.
- The device will perform a self-test and then display the current radiation level.
- Adjust date, time, and other settings via the ÎNFIINȚAT menu if prompted or desired.
5. Instrucțiuni de utilizare
5.1 Preluarea măsurătorilor
Once powered on, the RM-400 continuously monitors radiation levels.
- Afișaj în timp real: The large LCD shows the current radiation dose rate (e.g., µSv/h).
- Radiation Types: The device detects Alpha, Beta, Gamma, and X-ray radiation. The specific detection mode or sensitivity may be adjustable in the SETUP menu.
- Acoustic Warning: The device emits an audible click for each detected radiation particle. An adjustable alarm threshold can be set to trigger a continuous warning sound when radiation levels exceed a predefined limit.

Figure 5.1: A user operating the RM-400 Geiger Counter, demonstrating its handheld use for radiation measurement in a controlled environment.
5.2 Înregistrarea și stocarea datelor
- The RM-400 has an internal memory capable of storing up to 4000 readings.
- Apăsați tasta SALVA button to manually record the current measurement.
- Automatic logging intervals may be configured in the SETUP menu.
5.3 Conectivitate Bluetooth
The device supports Bluetooth for transferring stored data to a computer or compatible mobile device for further analysis using the included evaluation software.
- Ensure Bluetooth is enabled on your RM-400 (check SETUP menu).
- Activate Bluetooth on your receiving device (computer/smartphone).
- Open the VOLTCRAFT evaluation software.
- Follow the software's instructions to pair with the RM-400 and download data.
6. Întreținere
6.1 Curățare
- Ștergeți dispozitivul cu o cârpă moale și uscată.
- Nu utilizați agenți de curățare abrazivi sau solvenți.
- Ensure no liquids enter the device openings.
6.2 Depozitare
- Păstrați dispozitivul într-un loc răcoros și uscat, ferit de lumina directă a soarelui.
- Scoateți bateriile dacă dispozitivul nu va fi utilizat pentru o perioadă lungă de timp, pentru a preveni scurgerile.
7. Depanare
| Problemă | Cauza posibila | Soluţie |
|---|---|---|
| Dispozitivul nu pornește. | Baterii descărcate sau descărcate; instalare incorectă a bateriilor. | Înlocuiți bateriile; verificați polaritatea bateriilor. |
| Citiri inexacte. | Interference from other electronic devices; device malfunction. | Move away from potential interference sources; contact support if problem persists. |
| Conexiunea Bluetooth eșuează. | Bluetooth not enabled on device or receiving unit; out of range. | Ensure Bluetooth is active on both devices; move closer; restart devices. |
| No acoustic warning. | Acoustic warning disabled; volume too low; alarm threshold not met. | Check settings in SETUP menu; adjust volume; verify radiation levels exceed threshold. |
8. Specificații
| Numele modelului | VOLTCRAFT RM-400 Geiger Counter |
| Numărul de model al articolului | VC-12822170 |
| Radiation Detection | Alpha, Beta, Gamma, X-rays |
| Memoria internă | 4000 de lecturi |
| Afişa | LCD mare |
| Conectivitate | Bluetooth |
| Sursa de alimentare | 4x 1.5V AA Batteries |
| Dimensiunile produsului | 14 x 18 x 31 cm |
| Greutatea articolului | 226 grame |
| Componente incluse | Butter Paper (Note: This might be a translation error or packaging material. Refer to product packaging for exact contents.) |
| Utilizări specifice | Radiation measurement, radiation detection, research, industrial, educational purposes |
9. Garanție și asistență
For warranty information, technical support, or service inquiries, please refer to the documentation included with your product or visit the official VOLTCRAFT webPăstrați bonul fiscal ca dovadă a achiziției.





