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Supplier: Time Mark Corporation
Description: The Model 108A & 108D Line Voltage & Phase Sequence Detectors permit contractors and maintenance personnel to quickly and easily determine the proper phase sequence (either ABC or CBA), in order to install, or make wiring changes to motors, watt-meters, transformers, electrical
- Bandwidth: 50 to 60 Hz
- Display Type: Analog
- Form Factor: Handheld
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Supplier: Time Mark Corporation
Description: The Model 108A & 108D Line Voltage & Phase Sequence Detectors permit contractors and maintenance personnel to quickly and easily determine the proper phase sequence (either ABC or CBA), in order to install, or make wiring changes to motors, watt-meters, transformers, electrical
- Bandwidth: 400 Hz
- Display Type: Analog
- Form Factor: Handheld
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Supplier: RS Components, Ltd.
Description: Unique electronic maintenance instrument incorporating 5 complementary tools: Oscilloscope, FFT Analyser, Multimeter/Wattmeter , Harmonic Analyser on voltage/current/powe r, Recorder Bandwidth up to 200MHz. 600V/Cat III isolated channels. Sampling rate 2.5GS/s in one-shot mode
- Bandwidth: 40 MHz
- Features: Hand-held Unit, Integral Display
- Number of Input Channels: 2 (# channels)
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Supplier: RS Components, Ltd.
Description: Unique electronic maintenance instrument incorporating 5 complementary tools: Oscilloscope, FFT Analyser, Multimeter/Wattmeter , Harmonic Analyser on voltage/current/powe r, Recorder Bandwidth up to 200MHz. 600V/Cat III isolated channels. Sampling rate 2.5GS/s in one-shot mode
- Bandwidth: 200 MHz
- Features: Hand-held Unit, Integral Display
- Number of Input Channels: 4 (# channels)
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Supplier: RS Components, Ltd.
Description: Unique electronic maintenance instrument incorporating 5 complementary tools: Oscilloscope, FFT Analyser, Multimeter/Wattmeter , Harmonic Analyser on voltage/current/powe r, Recorder Bandwidth up to 200MHz. 600V/Cat III isolated channels. Sampling rate 2.5GS/s in one-shot mode
- Bandwidth: 40 MHz
- Features: Hand-held Unit, Integral Display
- Number of Input Channels: 2 (# channels)
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Supplier: RS Components, Ltd.
Description: Unique electronic maintenance instrument incorporating 5 complementary tools: Oscilloscope, FFT Analyser, Multimeter/Wattmeter , Harmonic Analyser on voltage/current/powe r, Recorder Bandwidth up to 200MHz. 600V/Cat III isolated channels. Sampling rate 2.5GS/s in one-shot mode
- Bandwidth: 100 MHz
- Features: Hand-held Unit, Integral Display
- Number of Input Channels: 2 (# channels)
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Supplier: ValueTronics International, Inc.
Description: /modulation meter Duplex generator RF wattmeter - fully protected generator output to 150 Watts Relative signal strength meter SINAD/distortion meter Audio function generator with DCS (Digital Coded Squelch) encode and decode Tone Pulse dialing
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Method of measuring nighttime U-values using the Mobile Window Thermal Test (MoWiTT) Facility
Periodic calibration of the wattmeters maintains the absolute accuracy of each wattmeter at the greater of 0.5% of the reading or 0.3 W.
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Optimum rib size to enhance forced convection in a horizontal triangular duct with ribbed internal surfaces
The electric power supplied to the nichrome wire _E was monitored by a wattmeter and maintained at 200 W via a variable-voltage transformer throughout every experiment.
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Power losses in small samples of silicon iron
Resistance R (equal to the internal wattmeter resistance) connected in series with the wattmeter voltage coil maintains the moving coil at earth potential when supplied from the balanced amplifier.
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The errors associated with high resistances in alternating current measurements
In one method of measuring the power factor of three- phase cables the measuring instrument, generally a dynamometer wattmeter , is maintained at high voltage, the high voltage end of the resistor being connected to the pressure coil of the rrattmeter.