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Toprak Direnci Test Cihazı MRU 101 |
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| | | | • Toprak direnci ölçümü
• Spesifik direnç ölçümü
• Test çubuklarının mesafesinin seçebilme
• Metalik direnç ölçümü
• 2,3 ve 4 çubuklu ölçüm metodu
• Hızlı ve kolay çoklu elektrodla ölçüm metodu
• Hatalı voltajları bulur ve onları otomatik olarak düzeltir
• Doğruluğu arttırıcı sistemi vardır
• 1,5V R14(C tipi) pil kullanılır
• Ni-Cd pil kutusu vardır
• Pil şarj cihazı vardır
• Pil dolduğunda sinyal verir
• Işıklı büyük ekran
• Havageçirmez çantası vardır
• Otomatik kademedir
• Hafızası vardır
• Bilgisayara bağlanır (RS 232)
• Düşük bateri ikazı
• Otomatik kapanma |
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NOMINAL OPERATING CONDITIONS:
• Noise voltage AC+DC during a measurement........................max. 24V
• Measurement current ....................................................max. 225mA
• Measurement voltage ........................................................max. 40V
• Measurement current frequency ...............................................128Hz
• Operating temperature range ..............................................0 ~ 40°C
• Norminal line voltage for battery charger (MRU-101 only)..............230V
IN COMPLIANCE WITH STANDARDS:
• EN-61557-5
• EN 61010-2-32
• Safety category............................................Cat. III 300V EN 61010-1
• Tightness...................................................................IP 54 EN 6529
OTHER :
• Display ..............................................illuminated LCD 3 digits 20mm
• Dimensions ........................................................295 x 222 x 95mm
• MRU-101 weight with Ni-Cd battery package .......................ca.1,6kg
• Power supply...................5 batteries 1,5V R14 (C size) or Ni-Cd
battery package type SONEL 6ECF1800CS
• Battery life .................................................min 2000 measurements
• Computer İnterface .....................................RS-232C
• Memory............................................300 test results
• Auto-of time ...................................................................2 minutes
• Battery charging time ....................................................max 3 hours
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TECHNICAL SPECIFICATIONS
| | | Earth Resistance Measurement (RE)
Without Current Clamps | Range | Resolution | Accuracy | Noise Voltage Measurement(UN) | 0,00...9,99W | 0,01W | ±(2% m.v. ± 3 digits) | Range | Resolution | Accuracy | 10,0...99,9W | 0,1W | ±(2% m.v. ± 2 digits) | 0...40V | 1V | ±(10% m.v. ± 1digit) | 100...999W | 1W | | | 1,00...9,99kW | 0,01kW | 10,0...20,0kW | 0,1kW | Earth Resistance Measurement (RE)
Wit Current Clamps | Earth Resistance Measurement (RE)
Wit Current Clamps | Range | Resolution | Accuracy | Range | Resolution | Accuracy | 0,00...9,99W | 0,01W | ±(8% m.v. ± 3 digits) | 0,00..9,99Wm | 0,01Wm | ±(2% m.v. ± 3 digits) | 10,0...99,9W | 0,1W | ±(8% m.v. ± 2 digits) | 10,0..99,9Wm | 0,1Wm | ±(2% m.v. ± 2 digits) | 100...999W | 1W | 100..999Wm | 1Wm | 1,00...9,99kW | 0,01kW | 1,00..9,99kWm | 0,01kWm | 10,0...20,0kW | 0,1kW | 10,0..99,9kWm | 0,1kWm | | | 100..999kWm | 1kWm |
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Probe Rods Resistance Measurement RH , Rs | | Probe rod resistance measurement accuracy Rs and RH without clamps | Probe rod resistance measurement accuracy Rs and RH with clamps | ±5% of the sum of readings (RE+Rs+RH) | ±10% of the sum of readings (RE+Rs+RH) |
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Typical Connection Schemes |
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BRD 01 (BREAD BOARD)
