1. Giriş
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. Güvenlik Bilgileri
UYARI: 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.
- Cihazı aşırı sıcaklıklardan, nemden ve güçlü manyetik alanlardan uzak tutun.
- This device is for informational and detection purposes. It is not a substitute for professional radiation safety equipment or expert advice.
- Pilleri ve cihazı yerel yönetmeliklere uygun şekilde imha edin.
3. Ürün Bittiview
The VOLTCRAFT RM-400 is a handheld Geiger counter designed for comprehensive radiation detection.

Şekil 3.1: Açısal view of the VOLTCRAFT RM-400 Geiger Counter, highlighting the display and control buttons.
3.1 Cihaz Bileşenleri
- Geiger-Müller Tube: Located at the top, responsible for detecting radiation.
- LCD Ekran: Large screen for displaying measurement data, time, and settings.
- Kontrol Düğmeleri: For navigation, settings, saving data, and power.
- Pil Bölmesi: Located at the rear for 4x 1.5V AA batteries.
- Bluetooth Modülü: For wireless data transfer to evaluation software.

Şekil 3.2: Ön 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.

Şekil 3.3: Arka view of the RM-400, indicating the battery compartment and safety warnings, including the requirement for 4x 1.5V AA batteries.
4. Kurulum
4.1 Pil Kurulumu
- Cihazın arkasındaki pil bölmesi kapağını bulun.
- Kapağı açmak için kaydırın veya klipsini açın.
- Insert 4x 1.5V AA batteries, ensuring correct polarity (+/-) as indicated inside the compartment.
- Pil bölmesi kapağını güvenli bir şekilde yerine takın.
4.2 İlk Güç Açma
- Basılı tutun Güç Ekran aydınlanana kadar düğmesine basın.
- The device will perform a self-test and then display the current radiation level.
- Adjust date, time, and other settings via the KURMAK menu if prompted or desired.
5. Kullanım Talimatları
5.1 Ölçüm Alma
Once powered on, the RM-400 continuously monitors radiation levels.
- Gerçek Zamanlı Görüntüleme: 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 Data Logging and Storage
- The RM-400 has an internal memory capable of storing up to 4000 readings.
- Basın KAYDETMEK button to manually record the current measurement.
- Automatic logging intervals may be configured in the SETUP menu.
5.3 Bluetooth Bağlantısı
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. Bakım
6.1 Temizlik
- Cihazı yumuşak, kuru bir bezle silin.
- Aşındırıcı temizleyiciler veya çözücüler kullanmayınız.
- Ensure no liquids enter the device openings.
6.2 Depolama
- Cihazı doğrudan güneş ışığından uzak, serin ve kuru bir yerde saklayın.
- Cihazınızı uzun süre kullanmayacaksanız pil sızıntısını önlemek için pilleri çıkarın.
7. Sorun Giderme
| Sorun | Olası Neden | Çözüm |
|---|---|---|
| Cihaz açılmıyor. | Aküler zayıf veya bitmiş; akülerin yanlış takılması. | Pilleri değiştirin; pil kutuplarını kontrol edin. |
| Hatalı okumalar. | Interference from other electronic devices; device malfunction. | Move away from potential interference sources; contact support if problem persists. |
| Bluetooth bağlantısı başarısız oluyor. | 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. Özellikler
| Model Adı | VOLTCRAFT RM-400 Geiger Counter |
| Ürün Model Numarası | VK-12822170 |
| Radiation Detection | Alpha, Beta, Gamma, X-rays |
| Dahili Bellek | 4000 okuma |
| Görüntülemek | Büyük LCD |
| Bağlantı | Bluetooth |
| Güç Kaynağı | 4 adet 1.5V AA pil |
| Ürün Boyutları | 14x18x31 cm |
| Ürün Ağırlığı | 226 Gram |
| Dahil Bileşenler | Butter Paper (Note: This might be a translation error or packaging material. Refer to product packaging for exact contents.) |
| Belirli Kullanımlar | Radiation measurement, radiation detection, research, industrial, educational purposes |
9. Garanti ve Destek
For warranty information, technical support, or service inquiries, please refer to the documentation included with your product or visit the official VOLTCRAFT webSite. Satın alma belgeniz olarak satın alma fişinizi saklayın.