Array Electronic Co Ltd
Charge électronique CC série Array 372XA
Charge électronique CC série Array 372XA
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Key Features
- Offers 8 basic test modes including CCL, CCH, CV, CRL, CRM, CRH, CPV, and CPC
- Programmable current slew rate
- Supports high-speed sequence and transient testing, as well as short-circuit and battery discharge tests
- Supports full remote control via RS232, with optional GPIB and USB interfaces
- Allows up to 10 steps of programming to be stored and controlled by a PC
La série de charges électroniques programmables Array Electronic 372XA est une gamme de charges électroniques CC programmables à entrée unique abordables avec une capacité de dissipation de 200 W à 400 W. Chaque charge électronique est équipée d'une interface RS-232C et comprend un câble USB vers RS-232C pour un contrôle externe.
High Reliability
- Protective circuitry provides over-current, over-voltage, over-power, over-temperature and reverse polarity protection to ensure the protection of the electronic load;
- A high-speed, power limiting circuit can limit input power rapidly when it is overloaded, thus there is no need to interrupt testing. Equipment adaptability to complicated operational environments is thereby greatly enhanced.
- A high-efficiency, intelligent cooling system can effectively reduce system temperature and enhance power density;
- The input binding posts with their innovative design are especially suitable for large current testing. They are easy to operate, reliable and durable;
- The specially ruggedized case with its rubber bumpers protects the load thus effectively prolonging the unit's service life.
Great Performance
- Circuit improvement greatly enhances the dynamic response of CR mode and widens the application scope of that mode;
- The innovative CP mode can test voltage sources, current sources, and effectively prevent short-circuits as well when the tested power is insufficient;
- The minimum operating voltage is less than 0.6V at the load's full rated current. With optional low-voltage testing devices, the maximum current can be achieved even though the input voltage is 0V. This is especially suitable for fuel cell, solar cell and other new energy test applications;
- By adopting an optimum design of calculation method and high-speed hardware circuitry, the D/A conversion rate can reach 100kHz. The overall smoothness of slope control has been raised, meanwhile, the timing precision and resolution of dynamic test and sequential test have also been improved;
- The 24-bit A/D and 17-bit D/A converters incorporated, provide this equipment with greatly enhanced setting and measurement resolution.
Multifunction
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Equipped with four basic test functions: CC, CV,CR, CP;
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High-speed transient operation with separate high/low lever time and rising/falling time control;
- Powerful sequential test function; with a minimum step time of 10us; and a maximum step time of 10000s. Cyclic numbers can be adjusted freely and a sequence can be chained to another sequence to achieve even more complex test procedures;
- Providing short-circuit test, battery discharge test and other auxiliary functions;
- Remote input terminals and external trigger input terminals are provided. The remote measurement can monitor the input signal automatically, and it is not necessary to change wiring or modify settings during operation;
- 10 groups of setup parameters can be saved, and providing automatic uploading of preset parameters;
- By supporting SCPI, it is easy to build an ATE (automatic test equipment) system that works with other programmable instruments via optional RS232, USB and GPIB interfaces.
Easy Operation
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Design optimized for portability and rugged reliability;
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Logical keypad design and convenient test operation;
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Easy-to-set test parameters coupled with a powerful sequence editing function;
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All electronic calibration - therefore no need to dismantle the equipment chassis;
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Firmware can be updated online.
Specifications
(The warm-up time is 30 minutes. Specifications indicate warranted performance in the 25°C ± 5°C region of the total temperature range).
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Model |
3720A |
3721A |
3722A |
3723A |
3724A | |
Input Ratings |
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Current Voltage Power *1 |
0~30A 0~80V 250W at 40°C |
0~40A 0~80V 400W at 40°C |
0~20A 0~200V 200W at 40°C |
0～30A 0～200V 350W at 40°C |
0～20A 0～500V 0～250W |
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Input Characteristics |
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Input Characteristics |
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Minimum Operation Voltage@Full Scale Current |
0.6V |
0.6V |
1.2V |
1.2V |
2V | |
Constant Current Mode |
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LowRange Resolution Accuracy |
0~3A 0.1mA 0.1℅+5mA |
0~4A 0.1mA 0.1℅+5mA |
0~2A 0.1mA 0.1℅+5mA |
0~3A 0.1mA 0.1℅+5mA |
0～2A 0.1mA 0.1%+5mA |
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HighRange Resolution Accuracy |
0～30A 1mA 0.1℅+10mA |
0~40A 1mA 0.1℅+10mA |
0~20A 1mA 0.1℅+10mA |
0~30A 1mA 0.1℅+10mA |
0～20A 1mA 0.1%+10mA |
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Constant Voltage Mode |
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Range Resolution Accuracy |
0~80V 1mV 0.1℅+10mV |
0~80V 1mV 0.1℅+10mV |
0~200V 2mV 0.1℅+25mV |
0~200V 2mV 0.1℅+25mV |
0～500V 5mV 0.1%+62.5mV |
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Constant Resistance Mode |
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LowRange Resolution Accuracy |
0.02~2Ω 0.1mΩ 0.5℅+12mΩ @I>4A |
0.02~2Ω 0.1mΩ 0.5℅+12mΩ @I>4A |
0.0666~6.66Ω 0.1mΩ 0.5℅+40mΩ@I>3A |
0.0666~6.66Ω 0.1mΩ 0.5℅+40mΩ@I>3A |
0.125～12.5Ω 0.1mΩ 0.5%+150mΩ @I＞2A |
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MiddleRange Resolution Accuracy |
2~200Ω 8.6µs *2 0.3℅+1.25mS@V>8V |
2~200Ω 8.6µs 0.3℅+1.25mS@V>8V |
6.66~666Ω 2.6µs *2 0.3℅+375mS@V>20V |
6.6~666Ω 2.6µs *2 0.3℅+375mS@V>20V |
12.5～1250Ω 13.8µs 0.3%+1mS @V＞50V |
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HighRange Resolution Accuracy |
20~2000Ω 0.96µs 0.3℅+0.625mS@V>8V |
20~2000Ω 0.96µs 0.3℅+0.625mS@V>8V |
66.6~6660Ω 0.29µs 0.3℅+188µs@V>20V |
66.6~6660Ω 0.29µs 0.3℅+188µs@V>20V |
125～12500Ω 1.54µs 0.3%+0.5mS @V＞50V |
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Constant Power Mode |
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Range Resolution @P<100W @P≥100W Accuracy |
0~250W 1mW 10mW 0.2℅+600mW |
0~400W 1mW 10mW 0.2℅+600mW |
0~200W 1mW 10mW 0.2℅+600mW |
0~350W 1mW 10mW 0.2℅+600mW |
0～250W 1mW 10mW 0.2%+600mW |
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Current Measurement |
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LowRange Resolution Accuracy |
0~3A 0.1mA 0.05℅+4mA |
0~4A 0.1mA 0.05℅+4mA |
0~2A 0.1mA 0.05℅+4mA |
0~3A 0.1mA 0.05℅+4mA |
0～2A 0.1mA 0.05%+4mA |
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HighRange Resolution Accuracy |
0~30A 1mA 0.05℅+8mA |
0~40A 1mA 0.05℅+8mA |
0~20A 1mA 0.05℅+8mA |
0~30A 1mA 0.05℅+8mA |
0～20A 1mA 0.05%+8mA |
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Voltage Measurement |
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Range Resolution Accuracy |
0~80V 1mV 0.1℅+8mV |
0~80V 1mV 0.1℅+8mV |
0~200V 1mV 0.1℅+50mV |
0~200V 1mV 0.1℅+50mV |
0～500V 1mV 0.1%+200mV |
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Power Measurement |
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Range Resolution @P<100W @P≥100W Accuracy |
0~250W 1mW 10mW 0.1℅+600mW |
0~400W 1mW 10mW 0.1℅+600mW |
0~200W 1mW 10mW 0.1℅+600mW |
0~350W 1mW 10mW 0.1℅+600mW |
0～250W 1mW 10mW 0.1%+600mW |
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Current Slew Rates |
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RangeCCH CCL *3 |
1mA/us~3A/us 100uA/us~300mA/us |
1mA/us~4A/us 100uA/us~400mA/us |
1mA/us~2A/us 100uA/us~200mA/us |
1mA/us~3A/us 100uA/us~300mA/us |
1mA/us～2A/us 100uA/us～200mA/us |
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Resolution |
1mA/us |
1mA/us |
1mA/us |
1mA/us |
1mA/us | |
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Accuracy *4 |
3% + 10us |
3% + 10us |
3% + 10us |
3% + 10us |
3% + 10us | |
Transient Operation |
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Transient Mode |
Continuous, Pulse, Toggled |
Continuous, Pulse, Toggled |
Continuous, Pulse, Toggled |
Continuous, Pulse, Toggled |
Continuous, Pulse, Toggled |
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FrequencyRange *5 |
0.38Hz~50kHz |
0.38Hz~50kHz |
0.38Hz~50kHz |
0.38Hz~50kHz |
0.38Hz～50kHz | |
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High/Low Time Resolution Accuracy |
0~655.35ms 10us 0.2℅+10us |
0~655.35ms 10us 0.2℅+10us |
0~655.35ms 10us 0.2℅+10us |
0~655.35ms 10us 0.2℅+10us |
0～655.35ms 10us 0.2%+10us |
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Rising/Falling Time Resolution Accuracy |
10us~655.35ms 10us 0.2℅+10us |
10us~655.35ms 10us 0.2℅+10us |
10us~655.35ms 10us 0.2℅+10us |
10us~655.35ms 10us 0.2℅+10us |
10us～655.35ms 10us 0.2%+10us |
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List Characteristics |
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Step Time Resolution Accuracy |
10us~100000s 10us 0.2℅+10us |
10us~100000s 10us 0.2℅+10us |
10us~100000s 10us 0.2℅+10us |
10us~100000s 10us 0.2℅+10us |
10us～100000s 10us 0.2%+10us |
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Number of Steps |
1~50 |
1~50 |
1~50 |
1~50 |
1～50 | |
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Cycle |
1~65535 |
1~65535 |
1~65535 |
1~65535 |
1～65535 | |
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StoreCapacity |
7 lists |
7 lists |
7 lists |
7 lists |
7 lists | |
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Expanded Functions |
Chain |
Chain |
Chain |
Chain |
Chain | |
Battery Discharge |
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Discharge Time Resolution Accuracy |
1s~100h 1s 0.2℅+1s |
1s~100h 1s 0.2℅+1s |
1s~100h 1s 0.2℅+1s |
1s~100h 1s 0.2℅+1s |
1s～100h 1s 0.2%+1s |
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BatteryCapacity Resolution Accuracy |
1mAh~3000Ah 1mAh 0.3℅+0.01Ah |
1mAh~4000Ah 1mAh 0.3℅+0.01Ah |
1mAh~2000Ah 1mAh 0.3℅+0.01Ah |
1mAh~3000Ah 1mAh 0.3℅+0.01Ah |
1mAh～2000Ah 1mAh 0.3%+0.01Ah |
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Short Circuit |
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CCL Mode CCH Mode CV Mode CRL Mode CRM Mode CRH Mode CPV Mode CPC Mode |
3.3A 33A 0V 0.018Ω 1.8Ω 18Ω 270W 0W |
4.4A 44A 0V 0.018Ω 1.8Ω 18Ω 420W 0W |
2.2A 22A 0V 0.06Ω 6Ω 60Ω 220W 0W |
3.3A 33A 0V 0.06Ω 6Ω 60Ω 370W 0W |
2.2A 22A 0V 0.12Ω 12Ω 120Ω 270W 0W |
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Maximum Slew Rate |
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Current Voltage |
3A/us 0.6V/us |
4A/us 0.6V/us |
2A/us 0.6V/us |
3A/us 0.6V/us |
2A/us 0.6V/us |
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Programmable Open Circuit |
≥20kΩ |
≥20kΩ |
≥20kΩ |
≥20kΩ |
≥20kΩ | |
Trigger Input |
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Trigger Level Trigger Pulse Width |
TTL falling edge ≥10us |
TTL falling edge ≥10us |
TTL falling edge ≥10us |
TTL falling edge ≥10us |
TTL falling edge ≥10us |
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Maximum Input Levels |
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Current Voltage |
33A 84V |
44A 84V |
22A 210V |
33A 210V |
22A 525V |
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Protection Features |
OV, OC,OP,OT, RV |
OV, OC,OP,OT, RV |
OV, OC,OP,OT, RV |
OV, OC,OP,OT, RV |
OC, OV, OT, OP, RV | |
Reverse Current Capacity |
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Input OFF InputON |
25A 40A |
30A 50A |
25A 35A |
25A 40A |
25A 35A |
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Ripple and Noise |
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Current(rms/p-p) Voltage(rms) |
3mA/30mA 5mV |
3mA/30mA 5mV |
3mA/30mA 12mV |
3mA/30mA 12mV |
3mA/30mA 30mV |
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Environmental Conditions |
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Temperature Relative Humidity |
0~50°C ≤85℅ |
0~50°C ≤85℅ |
0~50°C ≤85℅ |
0~50°C ≤85℅ |
0～50°C ≤85% |
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Remote Interface *6 |
RS232, GPIB, USB |
RS232, GPIB, USB |
RS232, GPIB, USB |
RS232, GPIB, USB |
RS232, GPIB, USB | |
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Programming Language |
SCPI |
SCPI |
SCPI |
SCPI |
SCPI | |
AC Input |
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Voltage Frequency |
AC110V or AC220V±15℅ 48 to 63Hz |
AC110V or AC220V±15℅ 48 to 63Hz |
AC110V or AC220V±15℅ 48 to 63Hz |
AC110V or AC220V±15℅ 48 to 63Hz |
AC110V or AC220V±15% 48 to 63Hz |
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Net Weight |
5.8kg |
5.8kg |
5.8kg |
5.8kg |
5.8kg | |
*1 Maximum continuous power available is derated linearly from 100% of maximum at 40°C, to 75% of maximum at 55 °C.
*2 Conductance (S) = 1 / Resistance (Ω).
*3 The set level is 10 times larger than the slew rate in CCL mode.
*4 The actual transition time is defined as the time required for the input to change from 10% to 90% or from 90% to 10% of the programmed excursion.
*5 Transient frequency depends on the time for high/low level and rising/falling edge.
*6 Full remote control via RS232 with optional GPIB and USB.
Charge électronique CC série Array 372XA
Frequently Asked Questions
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