GW Instek ASR-2050 - 500VA Programmable
The ASR-2000 series, an AC+DC power source aiming for system integration or desktop applications, provides both rated power output for AC output and rated power output for DC output. Nine ASR-2000 output modes are available, including 1) AC power output mode (AC-INT Mode), 2) DC power output mode (DC-INT Mode), 3) AC/DC power output mode (AC+DC-INT Mode), 4) External AC signal source mode (AC-EXT Mode), 5) External AC/DC signal source mode (AC+DC-EXT Mode), 6) External AC signal superposition mode (AC-ADD Mode), 7) External AC/DC signal superposition mode (AC+DC-ADD Mode), 8) External AC signal synchronization mode (AC- SYNC Mode), 9) External AC/DC signal synchronization mode (AC+DC-SYNC Mode).
The ASR-2000 series provides users with waveform output capabilities to meet the test requirements of different electronic component development, automotive electrical devices and home appliance, including 1) Sequence mode generates waveform fallings, surges, sags, changes and other abnormal power line conditions; 2) Arbitrary waveform function allows users to store/upload user-defined waveforms; and 3) Simulate mode simulates power outage, voltage rise, voltage fall, and frequency variations. When the ASR-2000 series power source outputs, it can also measure Vrms, Vavg, Vpeak, Irms, Iavg, Ipeak, IpkH, P, S, Q, PF, CF, 40th-order Voltage Harmonic and Current Harmonic. In addition, the Remote sense function ensures accurate voltage output. The Customized Phase Angle for Output On/Off function can set the starting angle and ending angle of the voltage output according to the test requirements. V-Limit, Ipeak- Limit, F-Limit, OVP, OCP, OPP function settings can protect the DUT during the measurement process. In addition to OTP, OCP, and OPP protection, the ASR-2000 series also incorporates the Fan fail alarm function and AC fail alarm function.
The front panel of the ASR-2050/2100 provides a universal socket or a European socket, which allows users to plug and use so as to save wiring time. The ASR-2050R/2100R is 3U height and 1/2 Rack width design, which is compatible with ATS assembly. The ASR-2000 series supports I/O interface and is equipped with USB, LAN, External I/O and optional RS-232C and GPIB.
Operating Area for ASR-2000 Series
AC Output for
DC Output for
AC Output for
DC Output for
The ASR-2000 series is an AC+DC power source that provides rated power output not only at the AC output, but also at the DC output. The operation areas are shown in diagrams.
|Model Name||Power Rating||Max. Output Current||Max. Output Voltage|
|ASR-2050||500 VA||5 / 2.5 A||350Vrms / 500Vdc|
|ASR-2100||1000 VA||10 / 5 A||350Vrms / 500Vdc|
|ASR-2050R||500 VA||5 / 2.5 A||350Vrms / 500Vdc|
|ASR-2100R||1000 VA||10 / 5 A||350Vrms / 500Vdc|
Measurement Items for ASR-2000 Series
RMS Meas Display
AVG Meas Display
Peak Meas Display
The ASR-2000 series provides users with measurement capabilities including Vrms, Vavg, Vpeak, Irms, Iavg, Ipeak, IpkH, P, S, Q, PF, CF, 40th-order Voltage Harmonic and Current Harmonic. During the power output, the measurement parameters including Vrms/Irms, Vavg/Iavg and Vmax/Vmin/ Imax/Imin can be switched by users at any time to display the instantaneous calculation reading.
Sequence Mode and Appplications
Momentary Drop in Supply Voltage
Reset behavior at Voltage Drop
Starting Profile Waveform
Instantaneous Power Failure
T, IPK Hold & IPK, Hold Functions
T, Ipk Hold is used to set the delay time after the output (1ms ~ 60,000ms) to capture the Ipeak value and keep the maximum value. The update only functions when the measurement value is greater than the original value. The T, Ipk Hold delay time setting can be used to measure surge current at the power on process of the DUT.
Ipk Hold can be used to measure the transient surge current of the DUT at power on without using an oscilloscope and a current probe.
Slew Rate Mode
The ASR-2000 series can set the Slew Rate Mode to determine the rise time of the voltage according to the test requirements of the DUT. Slew Rate Mode provides "Time" and "Slope" modes. When setting "Time" mode, ASR-2000 can increase output to 10~90% of the set voltage within 100μs; and when selecting "Slope" mode, ASR-2000 increases output voltage by a fixed rising slope of 1.5V/μs until reaching the set voltage value.
In addition, if users decide to self-define the rise time of the output voltage, users can flexibly set the rise time of the ASR-2000 series voltage by editing the Sequence mode.
Remote Sense Function
For high current output applications, the voltage drop caused by large current passing through the load cables will affect the measurement results. The ASR-2000 series provides the remote sense function that can sense the voltage drop of the DUT to the ASR-2000 series and the DUT will be compensated by the ASR-2000 series. The maximum voltage that the remote sense function can compensate is 5% of the output voltage.
- Output Rating: AC 0 – 350 Vrms, DC 0 - ± 500 V
- Output Frequency up to 999.9 Hz
- DC Output (100% of Rated Power)
- Measurement Items: Vrms, Vavg, Vpeak, Irms, IpkH, Iavg, Ipeak, P, S, Q, PF, CF
- Voltage and Current Harmonic Analysis(THDv, THDi)
- Remote Sensing Capability
- OVP, OCP, OPP, OTP, AC Fail Detection and Fan Fail Alarm.
- Support Arbitrary Waveform Function
- Output Capacity: 500VA/ 1000VA
- Customized Phase Angle for Output On/Off
- Sequence and Simulation Function(up to 10 sets)
- Interface: USB, LAN(std.); RS-232+GPIB(opt.)
- Built-in External Control I/O and External Signal Input
- Built-in Output Relay Control
- Memory Function (up to 10 sets)
- Built-in Web Server
External Synchronous Signal or Line (AC+DC-SYNC, AC-SYNC)
|Nondestructive maximum input voltage||±10V|
|Threshold of input voltage||TTL level|
|Input terminal||BNC connector|
|Synchronization signal source|
External Signal Input (AC+DC-ADD, AC-ADD Mode)
|Input terminal||BNC connector|
|Input voltage range||±2.5 V (A/D resolution 12 bit)|
|Gain setting range|
ADD: Output voltage (V) = External signal input (V) x Gain (V/V) + Internal signal source setting (V)
External Signal Input (AC+DC-EXT, AC-EXT Mode)
|Input voltage range||±2.5V (A/D resolution 12 bit)|
|Gain resolution||±5 %|
(DC, or 45Hz ~ 65Hz, gain is at initial value, with rate voltage output, no load)
|Input Terminal||BNC connector|
|Gain Setting Range|
EXT: Output voltage (V) = External signal input (V) x Gain (V/V)
|Weight||Approx. 10.5 kg|
|Dimensions (mm)||213(W)×124(H)×480(D) (not including protrusions)|
|EMC||EN 61326-1 (Class A)|
EN 61326-2-1/-2-2 (Class A)
EN 61000-3-2 (Class A, Group 1)
EN 61000-3-3 (Class A, Group 1)
EN 61000-4-2/-4-3/-4-4/-4-5/-4-6/-4-8/-4-11 (Class A, Group 1)
EN 55011 (Class A, Group1)
|Memory Function||10 sets for Store and Recall settings|
|Display||TFT-LCD, 4.3 inch|
|Protections||OCP, OTP, OPP, FAN Fail|
Measured Value Display
|Harmonic current Effective value (rms) Percent (%) (AC-INT and 50/60Hz only)|
|Harmonic voltage Effective value (rms) Percent (%) (AC-INT and 50/60Hz only)|
|Load Crest Factor|
|Load Power Factor|
*8. An output voltage in the range of 17.5V to 175V / 35V to 350V and 23°C ± 5°C.
*7. The reactive power is for the load with the power factor 0.5 or lower.
*6. The apparent and reactive powers are not displayed in the DC mode.
*5. For an output voltage of 50V or greater, an output current in the range of 10% to 100% of the maximum current, DC or an output frequency of 45Hz to 65Hz, and 23°C ± 5°C.
*4. An output current in the range of 5% to 100% of the maximum peak current in AC mode, an output current in the range of 5% to 100% of the maximum instantaneous current in DC mode, and 23°C ± 5°C. The accuracy of the peak value is for a waveform of DC or sine wave
*3. An output current in the range of 5% to 100% of the maximum current, and 23°C ± 5°C.
*2. AC mode: For an output voltage of 17.5V to 175V / 35V to 350V and 23°C ± 5°C.
DC mode: For an output voltage of 25V to 250V / 50V to 500V and 23 °C ± 5 °C.
*1. The voltage display is set to RMS in AC/AC+DC mode and AVG in DC mode.
All accuracy of the measurement function is indicated for 23°C ± 5°C.
Output Voltage Waveform Distortion Ratio, Output Voltage Response Time, Efficiency
|Efficiency*3||70% or more|
|Output voltage response time*2||100µs (TYP)|
|Output voltage waveform distortion ratio*1||0.5 % or less|
*3. For AC mode, at an output voltage of 100V / 200V, maximum current, and load power factor of 1 and sine wave only.
*2. For an output voltage of 100V / 200V, a load power factor of 1, with respect to stepwise change from an output current of 0A to the maximum current (or its reverse). 10% ~ 90% of output voltage
*1. At an output voltage of 50V to 175V / 100V to 350V, a load power factor of 1, and in AC and AC+DC mode.
Output Voltage Stability
|Load regulation*2||0.15% @45 - 65Hz|
0.5% @DC, all other frequencies (0 to 100%, via output terminal)
|Ripple noise*3||0.7Vrms / 1.4Vrms (TYP)|
|Line regulation*1||±0.2% or less|
*3. For 5 Hz to 1 MHz components in DC mode using the output terminal on the rear panel.
*2. For an output voltage of 75 V to 175 V / 150 V to 350 V, a load power factor of 1, stepwise change from an output current of 0 A to maximum current (or its reverse), using the output terminal on the rear panel.
*1. Power source input voltage is 100V, 120V, or 230V, no load, rated output.
Output Rating for DC Mode
|Maximum peak current*4|
*3. For an output voltage of 1.4V to 100V / 2.8V to 200V.
Limited by the power capacity when the output voltage is 100V to 250V / 200V to 500V.
*4. Within 5ms, Limited by the maximum current.
*1. 100V / 200V range
*2. For an output voltage of -250V to -25V, +25V to +250V / -500V to -50V, +50V to +500V, no load, AC volatge setting 0V (AC+DC mode) and 23°C ± 5°C
AC Mode Output Ratings (AC RMS)
|DC offset*6||Within ± 20mV (TYP)|
|Output on phase||0.0°to 359.9°variable (setting resolution 0.1°)|
|Maximum peak current*4|
|Output phase||Single phase, Two-wire|
*6. In the case of the AC mode and output voltage setting to 0V.
*5. For 45Hz to 65Hz, the rated output voltage, no load and the resistance load for the maximum current, and the operating temperature.
*4. With respect to the capacitor-input rectifying load. Limited by the maximum current.
*3. For an output voltage of 1V to 100V / 2V to 200V. Limited by the power capacity when the output voltage is 100V to 175V / 200V to 350V.
*2. For an output voltage of 17.5V to 175V / 35V to 350V, sine wave, an output frequency of 45Hz to 65Hz, no load, DC voltage setting 0V (AC+DC mode) and 23°C ± 5°C
*1. 100V / 200V range
Input Ratings (AC RMS)
|Max. input current|
|Max. power consumption||800VA or less|
|Input frequency range||47Hz to 63Hz|
|Input voltage range||90Vac to 264Vac|
|Phase||Single phase, Two-wire|
|Norminal input voltage||100Vac to 240Vac|
Input Ratings (AC rms)
*1. For an output voltage of 100 V/200 V (100V / 200V range), maximum current, and a load power factor of 1.
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