Advanced Optical Power & Meter, Benchtop, Single Channel
The 1938-R single channel high performance optical power and energy meter features a 7-inch-high brightness touch screen and a friendly easy to use user interface. With the high bandwidth electronics design and high-speed digital processing, up to 10 kHz rate measurement rate, time stamped, is achieved.
Multiple graphics, color and language settings are available. Advanced functions such as scaling, analog filtering, averaging, triggering, and pass/fail criteria with warning audio are available. Fast analog output allows integration with an external data acquisition equipment or signal analysis with an oscilloscope.
Ethernet, USB and RS-232 communication interfaces are supported. Data logging with up to 7 digits resolution and its compatibility with the powerful PMManager™ control software ensures obtaining the most comprehensive sets of measurements data.
The 1938-R comes complete with a calibration certificate, a handy quick start guide, a USB cable and a power cord.
Specifications
- Number of Channels1
- Bandwidth200 kHz
- Measurement RatePhotodiode: 10 kHz
Thermopile: 15 Hz
Pyroelectric: 25 kHz - Compatible DetectorsPhotodiode: 918D, 818-xx/DB, 819C/D, 818-MSCOPE
Thermopile: 919P, PEPS
Pyroelectric: 919E, LIAD - Detector Connector15-pin D-Sub type Male
- Detector InputPhotodiode & Thermopile: 8 nA - 25 mA full scale in 20 ranges, Pyroelectric: 0 - 5 V full scale
- Accuracy±0.2% (of reading) ±0.3% of full scale volts
- Frequency Measurement RangeUp to 200 kHz
- Analog Output ConnectorBNC socket
- Analog OutputUser selected 1, 2, 5, or 10 V full-scale, 0.03% resolution, 100Ω impedance
- Data Storage2 GB internal memory, External storage defined by user supplied USB drive
- Computer InterfacesEthernet, USB B, RS-232
- Display Mode18mm Numeric Bar, Pulse Chart, Min/Max Bar, Statistics, Analog Needle, Position, Stability, Exposure, Line Graph
- Display Type7 in. TFT LCD (1024x600) Touchscreen
- LCD BacklightLED, user adjustable brightness
- Display Refresh Rate10 Hz
- Photodiode MeasurementPower, exposure, low frequency power, fast power, amps
- Thermopile MeasurementAverage power, single shot energy, pulsed power
- Pyroelectric MeasurementPulse energy (every pulse up to 25 kHz), average power, exposure
- Power Requirements~100-240V AC 50-60Hz, Max 40 W
- Dimensions216 x 296 x 147 mm
- Weight2.8 kg
- Operating Temperature5 to 40°C, <70% RH
- CECompliant
- RoHSComplaint
Resources & Downloads
Technical Notes
Average and Peak Power Calculation(31.9 kB, PDF) A Shortcut for Calculating Power Density(35.2 kB, PDF) Newport Power Meter and Detector Legacy and Compatibility x938 Power Meter Ethernet User Notes v4(384.9 kB, PDF) Newport User Commands Rev 9(704.1 kB, PDF)
Literature
Understanding Total Measurement Uncertainty(649.3 kB, PDF) 1938-R & 2938-R Benchtop Power Meter Datasheet(2.9 MB, PDF)
Tutorials
2D Product Drawings
1938-R_2938-R dimensional drawing(137.2 kB, PDF)
Other
2938-R Calibration Report Sample(113.1 kB, PDF) 1938-R_2938-R EU27 Declaration of Conformity(109.3 kB, PDF)
Manuals
PMManager User Manual rev 3.90-2(5.3 MB, PDF) 1938-R & 2938-R Series User Manual rev 5.05(4.2 MB, PDF) 19xx-29xx Power Meter Communication Commands Reference V01(823 kB, PDF) LM Measurement COM Object Manual Version 15(581.6 kB, PDF)
Software
Instructions How to Update the x938-R Meter Firmware V01(PDF) x938 Firmware Upgrade Version 5.05(428.9 MB, ZIP) PMManager Setup Version 4.00(106.8 MB, ZIP) PMManager Version 4.00 Release Notes(155.1 kB, PDF)
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