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Key Features
The ASR-2050 Series Programmable AC/DC Power Source – 500 VA is an advanced, compact power source engineered to deliver precise and stable AC, DC, and AC+DC outputs for a wide array of testing scenarios. With a power output capacity of 500 VA, it supports voltage ranges from 0 to 310 Vrms and frequency settings from 45 Hz to 500 Hz, enabling simulation of global mains conditions and power anomalies such as voltage dips, surges, flickers, and harmonic distortion. The unit is equipped with a high-resolution 3.5-inch TFT LCD display and intuitive front-panel controls, while also offering extensive remote programming and monitoring via USB, LAN, RS-232, and optional GPIB interfaces, compatible with SCPI and LabVIEW drivers for easy integration into automated test systems. The ASR-2050 features a high-speed transient response, low total harmonic distortion (THD < 0.5%), and a built-in power analyzer capable of measuring Vrms, Irms, Vpeak, Ipeak, true power (W), apparent power (VA), reactive power (VAR), power factor, crest factor, and total harmonic distortion. Its sequence programming and LIST/STEP modes allow users to create and execute complex voltage/frequency variation profiles, ideal for compliance testing, EMC pre-compliance, and stress testing. Safety features include overvoltage, overcurrent, overpower, and overtemperature protection, ensuring device and DUT protection during critical operations. Designed for precision, reliability, and flexibility, the ASR-2050 is the perfect solution for R&D labs, production lines, and certification testing of electronic components, home appliances, medical devices, and industrial systems.
ASR-2000 Specifications
The specifications apply when the ASR-2000 is powered on for at least 30 minutes under +20°C~+30°C.
Input Ratings (AC rms)
| Model | ASR-2050/ASR-2050R | ASR-2100/ASR-2100R | |
| Nominal input voltage | 100 Vac to 240 Vac | ||
| Input voltage range | 90 Vac to 264 Vac | ||
| Phase | Single phase, Two-wire | ||
| Input frequency range | 47 Hz to 63 Hz | ||
| Max. power consumption | 800 VA or less | 1500 VA or less | |
| Power factor*1 | 100Vac | 0.95 (typ.) | |
| 200Vac | 0.90 (typ.) | ||
| Max. input current | 100Vac | 8 A | 15 A |
| 200Vac | 4 A | 7.5 A | |
*1. For an output voltage of 100 V/200 V (100V / 200V range), maximum current, and a load power factor of 1.
AC Mode Output Ratings (AC rms)
| Model | ASR-2050/ASR-2050R | ASR-2100/ASR-2100R | |
|
Voltage |
Setting Range*1 | 0.0 V to 175.0 V / 0.0 V to 350.0 V | |
| Setting Resolution | 0.1 V | ||
| Accuracy*2 | ±(0.5 % of set + 0.6 V / 1.2 V) | ||
| Output phase | Single phase, Two-wire | ||
| Maximum current*3 | 100 V | 5 A | 10 A |
| 200 V | 2.5 A | 5 A | |
| Maximum peak current*4 | 100 V | 20 A | 40 A |
| 200 V | 10 A | 20 A | |
| Power capacity | 500 VA | 1000 VA | |
|
Frequency |
Setting range | AC Mode: 40.00 Hz to 999.9 Hz, AC+DC Mode: 1.00 Hz to 999.9 Hz | |
| Setting resolution | 0.01 Hz (1.00 to 99.99 Hz), 0.1 Hz (100.0 to 999.9 Hz) | ||
| Accuracy | For 45 Hz to 65 Hz: 0.01% of set
For 40 Hz to 999.9 Hz: 0.02% of set |
||
| Stability*5 | ± 0.005% | ||
| Output on/off phase | 0.0° to 359.9° variable (setting resolution 0.1°) | ||
| DC offset*6 | Within ± 20 mV (TYP) | ||
*1. 100 V / 200 V range
*2. For an output voltage of 17.5 V to 175 V / 35 V to 350 V, sine wave, an output frequency of 45 Hz to 65 Hz, no load, DC voltage setting 0V (AC+DC mode) and 23°C ± 5°C
*3. For an output voltage of 1 V to 100 V / 2 V to 200 V. Limited by the power capacity when the output voltage is 100 V to 175 V / 200 V to 350 V. If there is the DC superimposition, the current of AC+DC mode satisfies the maximum current. In the case of lower than 40 Hz, and the ambient temperature is 40°C or higher, the maximum current will be decrease.
*4. With respect to the capacitor-input rectifying load. Limited by the maximum current.
*5. For 45 Hz to 65 Hz, the rated output voltage, no load and the resistance load for the maximum current, and the operating temperature.
*6. In the case of the AC mode and output voltage setting to 0 V.
Output Rating for DC Mode
| Model | ASR-2050/ASR-2050R | ASR-2100/ASR-2100R | |
|
Voltage |
Setting Range*1 | -250 V to +250 V / -500 V to +500 V | |
| Setting Resolution | 0.1 V | ||
| Accuracy*2 | ±(|0.5 % of set| + 0.6 V / 1.2 V) | ||
| Maximum current*3 | 100 V | 5 A | 10 A |
| 200 V | 2.5 A | 5 A | |
| Maximum peak current*4 | 100 V | 20 A | 40 A |
| 200 V | 10 A | 20 A | |
| Power capacity | 500 W | 1000 W | |
*1. 100 V / 200 V range
*2. For an output voltage of -250 V to -25 V, +25 V to +250 V / -500 V to -50 V, +50 V to +500 V, no load, AC volatge setting 0V (AC+DC mode) and 23℃
± 5℃
*3. For an output voltage of 1.4 V to 100 V / 2.8 V to 200 V. Limited by the power capacity when the output voltage is 100 V to 250 V / 200 V to 500 V.
*4. Within 5 ms, Limited by the maximum current.
Output Voltage Stability
| Model | ASR-2050/ASR-2050R | ASR-2100/ASR-2100R |
| Line regulation*1 | ±0.2% or less | |
| Load regulation*2 | 0.15% @45 – 65Hz
0.5% @DC, all other frequencies (0 to 100%, via output terminal) |
|
| Ripple noise*3 | 0.7 Vrms / 1.4 Vrms (TYP) | |
*1. Power source input voltage is 100 V, 120 V, or 230 V, no load, rated output.
*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.
*3. For 5 Hz to 1 MHz components in DC mode using the output terminal on the rear panel.
Output Voltage Waveform Distortion Ratio, Output Voltage Response Time, Efficiency
| Model | ASR-2050/ASR-2050R | ASR-2100/ASR-2100R |
| Output voltage waveform distortion ratio*1 | 0.5 % or less | |
| Output voltage response time*2 | 100 us (TYP) | |
| Efficiency*3 | 70 % or more | |
*1. At an output voltage of 50 V to 175 V / 100 V to 350 V, a load power factor of 1, and in AC and AC+DC mode.
*2. For an output voltage of 100 V / 200 V, a load power factor of 1, with respect to stepwise change from an output current of 0 A to the maximum current (or its reverse). 10% ~ 90% of output voltage
*3. For AC mode, at an output voltage of 100 V / 200 V, maximum current, and load power factor of 1 and sine wave only.
Measured Value Display
All accuracy of the measurement function is indicated for 23 °C±5 °C.
| Model | ASR-2050/ASR-2050R | ASR-2100/ASR-2100R | ||
|
Voltage |
RMS, AVG
value*1 |
Resolution | 0.1 V | |
| Accuracy*2 | For 45 Hz to 65 Hz and DC: ±(0.5 % of reading + 0.3 V / 0.6 V) For 40 Hz to 999.9 Hz: ±(0.7 % of reading + 0.9 V / 1.8 V) | |||
| PEAK
value |
Resolution | 0.1 V | ||
| Accuracy | For 45 Hz to 65 Hz and DC: ±(|2 % of reading| + 1 V / 2 V) | |||
|
Current |
RMS, AVG value |
Resolution | 0.01 A | |
|
Accuracy*3 |
For 45 Hz to 65 Hz and DC:
±(0.5 % of reading + 0.02 A / 0.02 A) For 40 Hz to 999.9 Hz: ±(0.7 % of reading + 0.04 A / 0.04 A) |
For 45 Hz to 65 Hz and DC:
±(0.5 % of reading + 0.04 A / 0.02 A) For 40 Hz to 999.9 Hz: ±(0.7 % of reading + 0.08 A / 0.04 A) |
||
| PEAK
value |
Resolution | 0.01 A | ||
| Accuracy*4 | For 45 Hz to 65 Hz and DC:
±(|2 % of reading| + 0.2 A / 0.1 A) |
For 45 Hz to 65 Hz and DC:
±(|2 % of reading| + 0.2 A / 0.1 A) |
||
|
Power |
Active (W) | Resolution | 0.1 / 1 W | |
| Accuracy*5 | ±(2 % of reading + 0.5 W) | ±(2 % of reading + 1 W) | ||
| Apparent (VA) | Resolution | 0.1 / 1 VA | ||
| Accuracy*5*6 | ±(2 % of reading + 0.5 VA) | ±(2 % of reading + 1 VA) | ||
| Reactive (VAR) | Resolution | 0.1 / 1 VAR | ||
| Accuracy*5*7 | ±(2 % of reading + 0.5 VAR) | ±(2 % of reading + 1 VAR) | ||
| Load power factor | Range | 0.000 to 1.000 | ||
| Resolution | 0.001 | |||
| Load crest factor | Range | 0.00 to 50.00 | ||
| Resolution | 0.01 | |||
|
Harmonic voltage Effective value (rms) Percent (%) (AC-INT and 50/60 Hz only) |
Range | Up to 100th order of the fundamental wave | ||
| Full Scale | 175 V / 350 V, 100% | |||
| Resolution | 0.1 V, 0.1% | |||
|
Accuracy*8 |
Up to 20th
±(0.2 % of reading + 0.5 V / 1 V) 20th to 100th ±(0.3 % of reading + 0.5 V / 1 V) |
|||
|
Harmonic current Effective value (rms) Percent (%) (AC-INT and 50/60 Hz only) |
Range | Up to 100th order of the fundamental wave | ||
| Full Scale | 5 A / 2.5 A, 100% | 10 A / 5 A, 100% | ||
| Resolution | 0.01 A, 0.1% | |||
|
Accuracy*3 |
Up to 20th
±(1 % of reading + 0.1 A / 0.05 A) 20th to 100th ±(1.5 % of reading + 0.1 A / 0.05 A) |
Up to 20th
±(1 % of reading + 0.2 A / 0.1 A) 20th to 100th ±(1.5 % of reading + 0.2 A / 0.1 A) |
||
*1. The voltage display is set to RMS in AC/AC+DC mode and AVG in DC mode.
*2. AC mode: For an output voltage of 17.5 V to 175 V / 35 V to 350 V and 23 °C ± 5 °C. DC mode: For an output voltage of 25 V to 250 V / 50 V to 500 V and 23 °C ± 5 °C.
*3. An output current in the range of 5 % to 100 % of the maximum current, 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.
*5. For an output voltage of 50 V or greater, an output current in the range of 10 % to 100 % of the maximum current, DC or an output frequency of 45 Hz to 65 Hz, and 23 °C ± 5 °C.
*6. The apparent and reactive powers are not displayed in the DC mode.
*7. The reactive power is for the load with the power factor 0.5 or lower.
*8. An output voltage in the range of 17.5 V to 175 V / 35 V to 350 V and 23 °C ± 5 °C.
Others
| Model | ASR-2050/ASR-2050R | ASR-2100/ASR-2100R | |
| Protections | OCP, OTP, OPP, FAN Fail | ||
| Display | TFT-LCD, 4.3 inch | ||
| Memory Function | 10 sets for Store and Recall settings | ||
| Arbitrary Wave | Number of memories | 16 (nonvolatile) | |
| Waveform length | 4096 words | ||
General Specifications
| Model | ASR-2050/ASR-2050R | ASR-2100/ASR-2100R | ||
|
Interface |
Standard |
USB | Type A: Host, Type B: Slave, Speed: 1.1/2.0, USB-CDC | |
| LAN | MAC Address, DNS IP Address, User Password, Gateway IP Address, Instrument IP Address, Subnet Mask | |||
| EXT Control | External Signal Input External Control I/O | |||
| Factory Optional | GPIB | SCPI-1993, IEEE 488.2 compliant interface | ||
| RS-232C | Complies with the EIA-RS-232 specifications | |||
| Insulation resistance | Between input and chassis, output and chassis, input and
output |
500 Vdc, 30 MΩ or more | ||
| Withstand voltage | Between input and chassis,
output and chassis, input and output |
1500 Vac, 1 minute | ||
| 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) |
|||
| Safety | EN 61010-1 | |||
| Environment | Operating environment | Indoor use, Overvoltage Category II | ||
| Operating temperature range | 0 °C to 40 °C | |||
| Storage temperature range | -10 °C to 70 °C | |||
| Operating humidity range | 20 %rh to 80 % RH (no condensation) | |||
| Storage humidity range | 90 % RH or less (no condensation) | |||
| Altitude | Up to 2000 m | |||
| Dimensions (mm) | ASR-2000: 285(W)×124(H)×480(D) (not including protrusions) ASR-2000R: 213(W)×124(H)×480(D) (not including protrusions) | |||
|
Weight |
ASR-2000: Approx. 11.5 kg ASR-2000R: Approx. 10.5 kg | |||
External Signal Input (AC+DC-EXT, AC-EXT Mode)
| Specification | Factory Default | |
| Gain setting range | 100 V range: 0.0 to 250.0 times | 100 |
| 200 V range: 0.0 to 500.0 times | 200 | |
| Input terminal | BNC connector | |
| Input impedance | 1 MΩ | |
| Input voltage range | ±2.5 V (A/D resolution 12 bit) | |
| Nondestructive maximum
input voltage |
±10 V | |
| Gain resolution | 0.1 times | |
| Accuracy | ±5 %
(DC, or 45Hz ~ 65 Hz, gain is at initial value, with rate voltage output, no load) |
|
EXT: Output voltage (V) = External signal input (V) x Gain (V/V)
External Signal Input (AC+DC-ADD, AC-ADD Mode)
| Specification | Factory Default | |
| Gain setting range | 100 V range: 0.0 to 250.0 times | 100 |
| 200 V range: 0.0 to 500.0 times | 200 | |
| Input terminal | BNC connector | |
| Input impedance | 1 MΩ | |
| Input voltage range | ±2.5 V (A/D resolution 12 bit) | |
| Nondestructive maximum
input voltage |
±10 V | |
| Input frequency range | DC to 999.9 Hz (sine wave)
DC to 100 Hz (other than sine wave) |
|
| Gain resolution | 0.1 times | |
|
Accuracy |
±5 %
(DC, or 45Hz ~ 65 Hz, gain is at initial value, with rate voltage output, no load) |
|
ADD: Output voltage (V) = External signal input (V) x Gain (V/V) + Internal signal source setting (V)
External Synchronous Signal or Line (AC+DC-SYNC, AC-SYNC)
| Specification | Factory Default | |
| Synchronization signal source | External synchronization signal (EXT) or
Power input (LINE) |
LINE |
| Synchronization frequency
range |
40.00 Hz to 999.9 Hz | |
| Input terminal | BNC connector | |
| Input impedance | 1 MΩ | |
| Threshold of input voltage | TTL level | |
| Minimum pulse width | 500 us | |
| Nondestructive
maximum input voltage |
±10 V | |
| Resolution | 0.01/0.1 Hz | |
| Accuracy | ±0.2 Hz | |
Accessories
CD ROM(User Manual, Programming manual), Safety Guide, Power Cord,
Mains Terminal Cover Set, Remote Sense Terminal Cover Set, GTL-123 Test Lead,
GTL-246 USB Cable
Optional Accessories (factory installed)
ASR-GPIB-2K: GPIB Communication Functions (needed if using ASR-002)
ASR-EU-2K: European Output Outlet (ASR-2000 only)
Optional Accessories
GET-003 Extended Universal Power Socket(ASR-2000R only)
GET-004 Extended European Power Socket(ASR-2000R only)
GRA-439-E Rack Mount Kit(EIA)
GRA-439-J Rack Mount Kit(JIS)
GTL-232 RS-232C Cable, approx. 2 M
GTL-258 GPIB Cable, approx. 2 M, including 25 pins Micro-D connector
ASR-001 Air inlet filter
ASR-002* External Three Phase Control Unit (ASR-2000 Series needs to have RS-232 option)
ASR-C003 Modbus TCP feature
* Basis Requirement of ASR-002 to ASR-Series
1. Must be the three same models of ASR-Series
2. To ASR-2000 Series, the ASR-GPIB-2 K: RS-232+GPIB interface is required.
* Functions of ASR-Series are limited when conducts to ASR-002
1. No DC Output
2. Measurement Items: only current(A), power(W), and PF for each phase
3. No Voltage and Current Harmonic Analysis
4. No Remote Sensing Capability
5. No Arbitrary Waveform Function
6. No Sequence and Simulation Function
7 Not supported External Control I/O
8. No memory Function
9. Only support USB, no LAN port for communication
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ASR-2050 Series Programmable AC/DC Power Source
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