The Newport 2835-C is a dual-channel optical meter that measures optical power, energy, pulsed and integrated energy, and functions as an exposure or noise meter. Built for laboratory and field deployment, it combines intuitive front-panel access with a shallow menu structure for advanced setup. The instrument records up to 1,000 measurements per channel with wavelength calibration in 1 nm steps. Programmable analog filters (5 Hz, 1 kHz, 12.5 kHz, 250 kHz) and digital moving-average filters (10, 100, 1,000, 10,000 measurements) condition detector signals for precision measurements across broad wavelength and power ranges.
– Technical Specifications
• Measurement Modes: Optical power, optical energy, pulsed energy, integrated energy, exposure meter, noise meter
• Channels: Dual channel
• Data Logging: Up to 1,000 measurements per channel
• Wavelength Calibration: 1 nm steps
• Analog Filters: 5 Hz, 1 kHz, 12.5 kHz, 250 kHz
• Digital Filters: Moving average with 10, 100, 1,000, or 10,000 measurement settings
• Measurement Accuracy: NIST traceable via Newport calibration standards
• Interfaces: RS-232, IEEE-488, analog output
• EMC Compliance: Directive 89/336/EEC, CISPR 11 Class A Group 1, BS EN 61000-3-2/3-3
• Safety Compliance: IEC 1010-1
• Physical: 18 × 18 × 12 inches (shipping), 15 lbs (shipping weight)
– Key Features
• Dual-channel simultaneous measurement
• Triggering and complex measurement setup
• Programmable signal conditioning via analog and digital filtering
• Remote control and data acquisition via RS-232 and IEEE-488
• Analog output for external signal monitoring
– Compatibility & Integration
The 2835-C accepts Newport’s 818 Series, 818T Series, and 818J Series detectors, including low-power photodiodes, high-power thermopiles, and pyroelectric energy detectors. Detectors with calibration modules (identified by “/CM” suffix) are required for calibrated measurements.
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