Newtons4th Ltd-SLM3505
Selective Level Meter
Portable Selective Level Meter with integrated Signal Generator
The SLM3505 was designed to provide a single instrument solution for the Electric Utility System Protection Engineer and Relay/Communications Technician responsible for the alignment and maintenance of Power Line Carrier, Audio Tone and FSK Communications Systems. This multifunction instrument replaces all 4 existing Power Line Carrier Instruments in one for a fraction of the cost, all in a compact lightweight package.
- Instrument Functions
• Single and Dual Frequency Selective Level Meter
• Impedance Analyzer (LCR Measurements)
• Frequency Response Analyzer
• VSWR Meter
• Signal Generator
• Oscilloscope - Applications
• Power Line Carrier Alignment & Maintenance
• Line Trap Alignment & Test
• Line Tuner Alignment & Test
• PLC Transmitter & Receiver Test & Set-up
• Audio Tone Protective Relay Channel Test & Set-up
• FSK Telemetry Testing
Newtons4th Ltd-SLM3505
| SELECTIVE LEVEL METER | |
| Frequency range | 5Hz to 5MHz |
| Frequency accuracy | ±5ppm over all temperature range |
| High Accuracy Option F | <±2ppm over all temperature range |
| Magnitude accuracy | <1KHz: 0.05% rng + 0.05% rdg + 50uV. <10KHz: 0.05%rng+0.05% rdg +0.01%/KHz + 50uV. <5MHz:Â 0.05%rng+0.25%rdg +0.001%/KHz + 50uV |
| Inputs (Unbalanced)Type &Connection | differentially isolated & isolated BNC |
| Bandwidth settings | 3, 25, 100, 1.95k, 3.1kHz & wideband |
| Measurement Units | V, dBm, dBu, dB0 (Traditionally referred to as dB in PLCC applications) |
| Accuracy of Level Measurement at 0dB(m) | ± 0.3 dB(m) |
| High voltage input | |
| Max input | ±300V peak |
| Input impedance | 1MΩ ±5% // 30pF |
| 50ê¥ input | |
| Max input | 10W (28V rms) |
| Input impedance | 75Ω ±1% // 30pF |
| Low Level Input | |
| Max input | ±10V peak |
| Input impedance | 50Ω ±1% // 30pF - 75Ω ±1% // 30pF - 600Ω ±1% // 30pF - 1MΩ ±5% // 30pF |
| Input (Balanced) | |
| Max input | ±10V peak |
| Input impedance | As Low level input |
| Input type | differential |
| Input connection | 3 x 4mm connectors - positive, negative, and ground |
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