The Ametek/Elgar 4643V is a dual-range manual oscillator module that delivers stable, precise frequency output for integration with Elgar AC power sources. This Series 400 plug-in unit provides decade-dial and range-switch control over frequency selection, enabling low-distortion sine wave generation across 45 Hz to 5 kHz. Manual frequency adjustment combines with optional external programming via analog voltage (6-10 VDC) or external resistance to meet diverse test and calibration requirements. Calibration accuracy of ±0.001% of set value and a front-panel frequency-limit LED ensure reliable operation within specified bounds. The module accepts single, dual, or three-phase configurations and integrates directly into Elgar power sources via captive-screw front-panel mounting and terminal connector interface.
– Technical Specifications
• Model: 4643V
• Series: 400 Series Plug-in Oscillators
• Frequency Range: 45 Hz to 5 kHz
• Frequency Limit Protection: LED indicator; valid range 44 Hz to 5100 Hz
• Calibration Accuracy: ±0.001% of set value
• Output Waveform: Low distortion sine wave
• Phase Configurations: Single, dual, or three-phase
• External Frequency Programming: 6-10 VDC analog voltage input
• External Amplitude Programming: 0-13 kOhms external resistance (100 ohms per volt; 130V output max) or 0-10 VDC external DC voltage
• Frequency Selection Method: Manual decade dials and range switches
– Key Features
• Decade-dial interface with range switches for precise manual frequency control
• ±0.001% calibration accuracy ensures signal integrity for metrology-grade testing
• Low-distortion sine wave output suitable for AC power source modulation
• Frequency-limit LED with automatic output reduction and exponential recovery upon valid frequency selection
• Optional external programming eliminates manual adjustment for automated test sequences
• Single-phase versions feature 1/8″ phone jack for external signal input
– Typical Applications
• AC power source frequency modulation and control
• Precision frequency calibration and verification
• Variable-frequency test signal generation for power electronics validation
• Multi-phase signal synthesis for motor and drive testing
– Compatibility & Integration
The 4643V mounts directly to the front panel of Elgar AC power sources via plug-in enclosure and captive screws. Integration occurs through a dedicated terminal connector within the power source. External programming connections for resistance and DC voltage are routed through the main terminal connector.
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