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The AEMC Model 3711 is a portable clamp-on ground resistance tester designed for measuring electrical ground rod and grid resistance in multi-grounded systems. This instrument offers a non-intrusive method for testing without the need for auxiliary rods or disconnecting the ground system. It also measures leakage, neutral, and phase currents, providing a comprehensive solution for electrical system analysis.
Güvenlik Bilgileri
UYARI: Always read and understand all safety instructions before operating this instrument. Failure to do so may result in serious injury or death.
- This instrument is rated CAT III, indicating its suitability for measurements in building installations.
- Adhere to all local and national safety codes and regulations.
- Do not use the instrument if it appears damaged or is operating abnormally.
- Kullanmadan önce pil bölmesinin iyice kapalı olduğundan emin olun.
- Ölçüm sırasında canlı devrelerle temastan kaçının.
- The instrument is double-insulated for enhanced safety.
Kutuda Neler Var?
Paketleri açtığınızda tüm eşyaların mevcut olduğundan emin olun:
- AEMC Ground Resistance Tester Model 3711
- Calibration Check Loop, 25Ω
- Sert Taşıma Çantası
- 9V Alkalin Pil
- Kullanım Kılavuzu (bu belge)
Ürün Bittiview

Image: The AEMC Model 3711 Clamp-On Ground Resistance Tester. This image displays the device with its red clamp jaws open, a black body, and a green digital display showing "9.8 Ω". Control buttons are visible below the display.
The AEMC Model 3711 features an ergonomic design for one-handed operation. Its robust polycarbonate construction ensures durability for outdoor use. Key components include:
- Clamp Çeneler: 1.25" opening to accommodate ground rods and cables up to 1000kcmil.
- LCD Ekran: Digital readout for resistance and current measurements.
- Kontrol Düğmeleri: For power, data hold, and mode selection.
- Pil Bölmesi: Located at the rear for a 9V battery.
Kurulum ve Pil Takma
- Open the battery compartment cover on the rear of the instrument.
- Insert the supplied 9V Alkaline battery, observing correct polarity.
- Pil bölmesi kapağını sıkıca kapatın.
- Press the "ON" button to power on the device. The display should illuminate.
Kullanım Talimatları
Ground Resistance Measurement
- Power on the AEMC 3711.
- Cl'yi açamp jaws by pressing the release lever.
- Cl'yi yerleştirinamp around the ground conductor or rod to be tested, ensuring the jaws are fully closed.
- The instrument will automatically measure and display the ground resistance in Ohms (Ω).
- For stable readings, allow approximately one second for the measurement to settle.
- To hold the current reading on the display, press the "HOLD" button. Press again to release.
Akım Ölçümü
- Power on the AEMC 3711.
- Cl'yi açamp çeneler.
- Cl'yi yerleştirinamp around the conductor carrying the current to be measured (leakage, neutral, or phase current). Ensure the jaws are fully closed.
- The instrument will automatically measure and display the current in Amper (A) veya miliAmper (mA).
- The current measurement function provides direct readings for leakage current flowing to ground or circulating in ground loops (down to 1mA) and neutral/phase currents (up to 30A RMS).
Bakım ve Kalibrasyon
Temizlik
Aleti yumuşak, damp bezle silin. Aşındırıcı temizleyiciler veya çözücüler kullanmayın.
Pil Değişimi
When the low battery indicator appears on the display, replace the 9V battery as described in the "Setup and Battery Installation" section.
Kalibrasyon Kontrolü
Use the supplied 25Ω calibration check loop to verify the instrument's accuracy periodically. Clamp the tester around the loop; the reading should be approximately 25Ω. If the reading deviates significantly, contact AEMC customer support for service.
Depolamak
Store the instrument in its hard carrying case in a dry, cool environment when not in use. Remove the battery if storing for extended periods.
Sorun giderme
- No Display/Instrument Not Powering On: Pil bağlantısını kontrol edin ve pilin yeterli şarjda olduğundan emin olun. Gerekirse değiştirin.
- Kararsız Okumalar: cl'yi sağlayınamp jaws are fully closed around the conductor. Verify there is no excessive electrical noise in the environment.
- "OL" veya Aşırı Yük Göstergesi: The measured value exceeds the instrument's range. Ensure the correct measurement function is selected or the circuit parameters are within the device's limits.
- Yanlış Okumalar: Perform a calibration check using the 25Ω loop. If the issue persists, contact technical support.
Özellikler
| Parametre | Değer |
|---|---|
| Ground Resistance Range | Autoranging 0.01 to 1200Ω |
| Akım Ölçüm Aralığı | Autoranging 1mA to 30.00A RMS |
| Resistance Measuring Frequency | 2403Hz |
| Current Measuring Frequency | 47 ila 800 Hz |
| Accuracy (Resistance) | ±2% reading ±0.02Ω (up to 25% of reading for 600-1200Ω) |
| Çalışma Sıcaklığı | -10 ila 55°C (14 ila 131°F) |
| Güç Kaynağı | 9V pil (dahil) |
| Ağırlık | 1 kg (2.2 lbs) |
| Boyutlar (Y x G x D) | 235 x 100 x 55mm (9.25 x 3.94 x 2.17 inç) |
| Çene Açma | 1.25 inç |
| Güvenlik Derecelendirmeleri | EN 61010, CAT III, UL approved, CE marked |
Garanti ve Destek
For warranty information, technical support, or service inquiries, please refer to the official AEMC Instruments webSite üzerinden satın alabilir veya müşteri hizmetleri departmanıyla iletişime geçebilirsiniz. Garanti talepleriniz için satın alma fişinizi saklayın.





