Medidor de Potência Digital 1 Canal Chroma 66205

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66205 is the 2nd generation of the 66200 series power meter designed specifically for single channel measurement. Its state of art design is capable of providing highly accurate power measurements to meet the requirements of IEC 62301/EN50564 standards.

Functionality improvements of the 66205 increase power measurement capabilities to a wider range of applications.


- The 66205 provides better measurement accuracy across the board
- Complies with IEC 62301/Energy Star power measurement frequency bandwidth > 3kHz (Filter ON) requirement
- Cycle based measurement, 1.5sec smoothing filter, grouping settings are preferable for harmonics measurement requirement in according to IEC 61000-4-7
- Harmonic and total harmonics distortion functions are standard, not extra cost options
- The 66205 provides more standard interface features

Key Features

- Voltage Ranges: 15/30/60/150/300/600 Vrms; 1200Vrms (optional)
- Current Ranges: 0.005/0.02/0.05/0.2/0.3/0.5/2/5/20/30 Arms
- Frequency Range: DC, 15Hz~10kHz
- Embedded high speed DSP, 16 bits; Analog/Digital converters with max sampling rate up to 250kHz
- Capable of meeting the IEC 61000-4-7 harmonics measurement requirements
- Smart Range function provides seamless power integration measurement under auto range mode
- Supports external shunt and CT for higher current applications
- 5 mA minimum current range & 0.1mW power resolution
- Meets ENERGY STAR /EN 50564/IEC 62301/ErP requirements
- User-define criteria provides automatic PASS/FAIL indications
- THD and user-specify order distortion measurement
- Inrush current and energy measurements
- Voltage/ Current harmonics measurements up to 100 orders
- USB (Host) interface provides data logging functionality
- Support GPIB, USB, RS232, LAN (option) interface

Measurement Parameters

66205 power meter is capable of providing the following reliable and accurate measurement parameters : Vrms, Vpeak+, Vpeak-, V_harmonic, V_THD, CFV (Crest Factor Voltage), Irms, Ipeak+, Ipeak-, I_harmonic, I_THD, Is (Inrush Current), CFI (Crest Factor Current), W, VA, VAR, PF, Freq_V, Freq_I, Wh, Ah, º (phase degree).

Parameter Measurement Method:a gapless continuous moving window average out the voltage and current parameter measurements within the time frame. Please note the time setting for the time frame is equivalent to data update rate x AVG number setting.

Line Filter Function

Line filter is a digital low pass filter with a high attenuation rate of ≥70dB. When line filter is enabled, the measured value will not include high frequency content, such as the high frequency noise of a switching converter. The 66205 offers three sets of line filter with cutoff frequency: OFF, 500 Hz and 5.5 kHz. The line filter with 5.5 kHz cutoff frequency is compliant to IEC 61000-3-2 international standards. It is suggested to turn this filter on when measuring harmonics.

Harmonic Measurement Function (IEC Mode)

The 66205 is designed to meet harmonics measurement requirements in accordance to IEC 61000-4-7. Under the harmonics measurement IEC mode, it allows user to obtain THD measurement consistent with the THD measurement result of high end IEC 61000-4-7 compliance power analyzers.

Harmonic Measurement Display Function

The harmonic measurement display function when enabled will show the amplitude, phase angle of each harmonic order on the front panel displays. The following example demonstrates the harmonics display function. Use the AC Source synthesis function to generate a voltage waveform consisting of 220V at fundamental frequency 50Hz and 3rd harmonics with 22V as amplitude and 30 degree as phase angle.

Smart Range (For Power Integration Function)

The Smart Range function, proprietary design, allows power integration with the measurement range in auto mode. It selects the most appropriate measurement range in response to the changing voltage and current measurements, to ensure no data loss during transition of measurement range change under power integration mode.

Inrush Current Measurement Function

The 66205 power meter includes a built-in inrush current (Is) measurement function. Users can set a current level for triggering the starting point of the measurement. Users can also use an external TTL signal to trigger inrush current measurements through the control I/O signal port located in the back of the unit. The delay parameter can help users to bypass the peak value B after the trigger point A. The parameter, T, allows a set time period to be established for measuring the peak value during a preset time (T).

Synchronization Source

The 66205 allows selection of the Voltage or Current as the Sync signal for measuring input power. In different types of devices under test the distortion on either the voltage or the current maybe higher. By synchronizing on the measurement with less distortion will improve the Power Measurement.

Selecting voltage signal as sync signal : When the voltage signal distortion will be less than current and more stable, thus voltage is selected as sync signal source.

Selecting current signal as sync signal : When the current signal distortion will be less than voltage. Thus current is selected as sync signal source.

High Voltage (HV) Function

With the addition of the optional A662012 HV Measurement Kit, the 66205 is capable of voltage measurements up to 1200Vrms with DC, 47Hz~63Hz frequency range.

External Shunt Function

External Shunt is an alternative method when the measured current is greater than the 30Arms current range. Users can set the resistance value of the external shunt with setting range from 0.0001m to 99.999 ohm. Please note the external shunt function is applicable for AC and DC current measurement.

CT Function (DCCT)

The CT function supports both CT and DCCT and provides an alternative method when the measured current is greater than the current range of 30Arms. Please note the CT supports AC current measurement only (NO DC) and the DCCT supports both AC and DC current

Power Meter Softpanel

The 66200 Power Meters provide graphical user interface software (softpanel) which allow users to control and read measured parameters from a computer via USB, GPIB or LAN interface. Users can easily observe measured voltage and current waveforms and monitor the changes in parameter readings by using the chart function. Additional features include a recording function which can record selected parameters and write data to a file for further analysis. The 66200 Softpanel supports IEC 61000-3-2 harmonic current limit test (precompliance) allowing users to examine whether the UUT has met the harmonic current requirement. The Power Efficiency Softpanel integrates the Chroma’s electronic loads and AC Sources to provide an effective method for power efficiency testing and recording of data using the test report function which automatically generates a report at the completion of testing.

66205 - Digital Power Meter Single channel, 30A

A662023 - 1800V HV Measurement Kit [66203/66204/66205]
A662002 - Rack Mount Kit
A662012 - 1200V HV Measurement Kit
A662014 - External CT 100A/rms
A662017 - Ultra High Precision DCCT 60A
A662018 - Ultra High Precision DCCT 200A
A662019 - DCCT Power Adapter for Single Channel
A662021 - LAN Remote Interface Board
A662022 - Measurement test fixture (250V/10A)
10606 - Softpanel Kit


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