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WT 3000 Precision Power Analyzer

WT 3000 Precision Power Analyzer
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Precision Power Analyzer WT3000 High-end Power Meter with top precision* Basic Power Accuracy: 0.02% of reading Precision Power Analyzer WT3000 Visit our website to sign up for email updates. www.yokogawa.com/tm/ (WT3000) Bulletin 7603-00E * As of February 2007, for power meter accuracy in three-phase power meter (as investigated by Yokogawa). Basic Accuracy 0.01% of reading Basic Power Accuracy 0.02% of reading Good Readability The Large, 8.4-inch LCD and the Range Indicator LEDs Simultaneous Measurement with 2 Units (8 Power Input Elements) Store Function 50 ms Data Storing Interval Interface GP-IB, Ethernet, RS-232 and USB Advanced Computation Function Waveform Computation, FFT Analysis, Waveform sampling Data Saving IEC61000-3-2 Harmonic Measurement IEC61000-3-3 Voltage Fluctuation/ Flicker Measurement

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2 3 Precision Power Analyzer WT3000 Yokogawa’s highest-precision power meter *2 The WT3000 has the highest precision of the Yokogawa power meters in the WT Series. The models in the WT Series are designed to meet a wide variety of user needs. The WT200 Series is a high price-performance series which is very popular in production line applications. The WT1600 allows measurement data to be viewed in a variety of ways, including numerical value display, waveform display, and trend display capabilities. WT3000 ±0.02% WT1600 ±0.10% WT210/WT230 ±0.10% *reading error Yokogawa’s power measurement...

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4 Precision Power Analyzer WT3000 FUNCTIONS WT3000 Controls: Simple to Use, Easy to View The WT3000 was designed with user-friendly functions and controls in response to user requests for a simpler range setting operation and more user-friendly parameter setting display process. Simpler range settings Range settings using direct key input The range indicator on the WT3000 is a seven-segment green LED, so the set range can be monitored at all times. The range can easily be switched using the up and down arrows. Easily switch between multiple item pages A wide range of standard functions...

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5 OPTIONS The advanced calculation function (/G6 option) meets these measuring needs with advanced, powerful features for making power analysis measurements more efficient. Advanced Computation (/G6) Checking harmonic components and total harmonic distortion (THD) Harmonic measurement software* can be used in this dedicated mode for harmonic measurement that supports international standards. This allows confirmation of whether or not home electronics, office automation equipment, or other devices conform with harmonic standards. * IEC standard compliant harmonic measurement requires the...

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6 Precision Power Analyzer WT3000 Variety of Communication Functions (GP-IB Comes Standard) USB Port (PC) Option (/C12) * Select USBport (PC) or RS-232 The USB port (type B connector) on the rear panel of the WT3000 allows data communications with a PC1. 1. USB driver required for USB communications. A USB driver is available from our Web site. You can take measurements in excess of 30 A by using a 2 A input element together with the model 751574* current transducer. *See page 10 of the specifications. When measuring three-phase input/three-phase output with a three-phase four-wire system,...

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7 • Simultaneous Measurement of Voltage, Current, and THD (Total Harmonic distortion) Testing of lighting devices often involves measurement of voltage, current, and THD, a parameter that indicates the quality of power. This is because distortion in voltage and current waveforms is becoming more prevalent due to the increasing complexity of control systems. The WT3000 can simultaneously measure voltage and current with THD, eliminating these inconveniences and allowing for more accurate and rapid measurements of an instrument’s characteristics and fluctuations. Lamp Current Measurement...

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8 Precision Power Analyzer WT3000 * LabVIEW is a registered trademark of National Instruments Corporation. Can be downloaded free from our Web site: http://www.yokogawa.com/tm/wtpz/wtfree/tm-wtfree_04.htm Note) This software cannot communicate with the WT using a serial (RS-232) interface (/C2) or USB port (PC) (/C12). Utility Software • Harmonic Measurement (/G6 option) The Harmonic Analysis Software (Model 761922) loads data measured by the WT3000 and performs harmonic analysis that complies with IEC61000-3-2 edition 2.2. You can use the model 761922 harmonic measurement software to...

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9 Voltage input terminals Current external sensor input terminals Current direct input terminals GP-IB port BNC connector for two-system synchronized measurement Standard features Serial (RS-232) port (option/C2) or USB port (PC) (option/C12) Ethernet port(100BASE-TX/10BASE-T) (option/C7) VGA port (option/V1) D/A output (option/DA) Torque and speed input terminals (motor version) Optional features Rear Panel Example of basic characteristics showing the WT3000’s high precision and excellent stability 10 100 1,000 10,000 100,000 1,000,000 Example of frequency versus power accuracy...

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10 Precision Power Analyzer WT3000 Due to the nature of this product, it is possible to touch its metal parts. Therefore, there is a risk of electric shock, so the product must be used with caution. Two leads in a set. Use 758917 in combination with 758922 or 758929. Total length: 75 cm Rating: 1000 V, 32 A 758917 Measurement leads For connection to measurement leads (758917). Two in a set. Rating: 300 V 758922 Small alligator adapters For connection to measurement leads (758917). Two in a set. Rating: 1000 V 758929 Large alligator adapters (spring-hold type) Two adapters in a set. 758923*1...

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11 waveform peak RMS value Crest factor = waveform peak (CF, peak factor) RMS value Crest factor (CF) = {measuring rangeCF setting (3 or 6)} measured value (RMS) The crest factor is the ratio of the waveform peak value and the RMS value. SUPPORTS Crest Factor 6 When checking the measurable crest factor of our power measuring instruments, please refer to the following equation. * However, the peak value of the measured signal must be less than or equal to the continuous maximum allowed input * The crest factor on a power meter is specified by how many times peak input value is allowed...

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