New Advanced Benchtop Optical Power & Energy Meter, Dual Channel

The Newport™ 2940-R optical power meter is a high-precision, dual-channel benchtop instrument engineered for fast, accurate, and stable photonics measurements in R&D laboratories and high-volume production environments, including active fiber alignment. Each meter is shipped with a NIST-traceable calibration certificate (ISO/IEC 17025 accredited), a quick-start guide, and a power cord.
Specifications
- Number of Channels2
- BandwidthUp to 200 kHz, depending on range
- Measurement RatePhotodiode: 10 kHz
Thermopile: 15 Hz - Detector Connector15-Pin D-Sub - Male
- Detector InputUp to 25 mA for photodiode
- Resolution0.0019% of Range Full Scale (10 kHz Power)
0.00001% of Range Full Scale (15 Hz Power) - Accuracy±0.2 % for CW, ±1 % for Peak to Peak, Pulse to Pulse, and Integration Mode
- Frequency Measurement Range1 Hz - 200 kHz
- Gain Ranges8 ranges, 7 decades
- Analog Output ConnectorBNC Socket
- Analog Output0-1 V, 0-2 V, 0-5 V or 0-10 V (raw and digital) full-scale, Resolution 0.003% full-scale output (digital)
- Data Storage2 GB internal memory (can store ~40,000,000 Measurements) External storage defined by user supplied USB Type-A flash drive via front panel (32 GB max)
- Computer InterfacesEthernet -10Base-T/100Base-TX , Auto-MDIX USB 3.0 / 2.0 Type-B RS-232 DB-9 Female
- Display ModeNumeric display, Pulse, Line & Bar Charts, Pass/Fail, Statistics, Analog Needle, Math Channel
- Display Type7 in. Full Color Touch Screen (1024 X 600)
- Display Refresh Rate10 Hz
- Photodiode MeasurementPower, Peak-to-Peak Power, Low Frequency Power, Frequency, Exposure
- Thermopile MeasurementPower, Single Shot Energy, Pulsed Power
- Power Requirements100-240 VAC 50-60 Hz, Max 70 W
- Dimensions280x221x132 mm (DxWxH)
- Weight2.9 kg
- CECompliant
- RoHSCompliant
Resources & Downloads
3D Product Models
2D Product Drawings
2940-R Drawing(304.1 kB, PDF)
Manuals
1940-R and 2940-R User Manual rev 1.00(3.9 MB, PDF) 19xx-29xx Power Meter Communication Commands Reference V01(823 kB, PDF) LM Measurement COM Object Manual Version 15(581.6 kB, PDF)
Tutorials
Technical Notes
Understanding Total Measurement Uncertainty Calculating Power Density a Shortcut(462.4 kB, PDF) Average and Peak Power Calculation(478.8 kB, PDF) Newport User Commands Rev 9(704.1 kB, PDF)
Literature
1940-R & 2940-R Optical Power Meter Datasheet(2.3 MB, PDF)
Software
PMManager Setup Version 4.00(106.8 MB, ZIP) PMManager Version 4.00 Release Notes(155.1 kB, PDF)
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