ELA-155/ELB-155/ELC-155 低电压多功能电子负载
Load Station系列是能广泛地使用在电源和电源装置从开发到制造检验，性能价格比优异的电子负载装置。由于配备了扩充容量，低电压动作，峰值功率动作的辅助功能使动作范围得以飞跃性的扩大。按照用途需要可从7种机型中选择。
| 型号 | 最大额定 | 上升斜率 | ||
|---|---|---|---|---|
| 电压 | 电流 | 电力 | ||
| ELA-155 | 120V | 30A | 150W | 10A / μs |
| ELB-155 | 300V | 15A | 150W | 5A / μs |
| ELC-155 | 500V | 6A | 150W | 0.5A / μs |
| ELA-305 | 120V | 60A | 300W | 20A / μs |
| ELB-305 | 300V | 30A | 300W | 10A / μs |
| ELC-305 | 500V | 12A | 300W | 1A / μs |
| ELA-1005 | 120V | 180A | 1kW | 30A / μs |
- 根据并联运行可简单的使容量扩充
- 峰值功率动作
用额定功率最高30倍的动作功率运转 - 低电压动作 可在0V附近的低电压动作领域运转
- 定电流，定电阻，定电压，定功率，外部控制，动态测试功能，顺序功能，短路功能，电流限制
- 最大1024步的顺序模式
- 标准装备电流监控器，TRIG OUT
- 标准装备GP-IB，USB介面 (介面)
- 测量纹波电压杂讯 (工厂出厂时需选购)
- 动态模式 : 任意的电流/时间的组合可以设定最大16种类型的复杂负载
| 型号 | 功率 (峰值功率) | |||
|---|---|---|---|---|
| 连续负载 | ～20s 脉冲负载 | ～2s 脉冲负载 | ～2μs 脉冲负载 | |
| ELA-155 | 150W | 250W | 400W | 3.6kW |
| ELB-155 | 150W | 250W | 400W | 4.5kW |
| ELC-155 | 150W | -- | -- | -- |
| ELA-305 | 300W | 500W | 800W | 7.2kW |
| ELB-305 | 300W | 500W | 800W | 9.0kW |
| ELC-305 | 300W | -- | -- | -- |
| ELA-1005 | 1kW | 1.5kW | 2.4kW | 21.6kW |
| |
峰值功率
利用Extreme Power技术 (专利申请中) 动态地管理通电时间和平均功率，用超过额定功率（连续）的功率进行运转。电源的负载变动测试，过电流测试等需要大过1级电子负载装置时，可以用峰值功率动作与其对应。
低电压动作
由于采用了不流通突入电流（浪涌电流）的电路模式，不会因为突入电流（浪涌电流）而切断电路，所以对动作电压没有影响。如果埠之间存在微小电位差，就可以流通一定量的负载电流。
并联运转
并联运转最多5台Load Station，可以作为最大5000W（ELA-1005）的电子负载装置使用。 （如果是同耐压，不同容量也可组合）
| | 测量纹波电压杂讯 |
| 通过选项可以追加测量纹波电压杂讯功能。在电源检测的现场可以作为电源检测器使用。 | ||
| 顺序功能 | ||
| 从PC上可控制最大1024步的序列动作。可以简单地仿真复杂的负载变动。 Load Station具备了便于构筑评价·检测环境的功能。还标准配备了从外部能控制负载电流的外部控制输入（0～10V），便于观测负载变动的电流监控输出（非绝缘），GP-IB以及便于自动化的USB介面（介面）。 | ||
| 低阻抗负载电缆Low-L（选购件） | ||
| 能减少负载变动时的电压下降。电缆长度可从50cm，100cm，200cm中选择。 | ||
- 用于各种试验台
- 可组装到检测、评价装置中
Load section
| Max rating | ||||
| ELA-155 | ELB-155 | ELC-155 | ||
|---|---|---|---|---|
| Current | 30A | 15A | 6A | |
| Voltage | 120V | 300V | 500V | |
| Internal min resistance(*9) | 35m ohm | 135m ohm | 500m ohm | |
| Internal inductance(*9) | 500nH | 800nH | 4uH | |
| Min operating voltage(*8, 9) | 1V(30A) / 0.5V(15A) / 0.2V(6A) | 2V(15A) / 1V(7.5A) / 0.5V(3.75A) | 3V(6A) / 1.5V(3A) / 0.7V(1.4A) | |
| Peak power(*7) | < 20us | 3600W | 4500W | -- |
| < 2s | 400W | 400W | -- | |
| < 20s | 250W | 250W | -- | |
| Rated power | 150W | |||
| CC mode | ||||
| Current range (Setting range) | H | 0～30A | 0～15A | 0～6A |
| M | 0～3A | 0～1.5A | 0～0.6A | |
| L | 0～0.3A | 0～0.15A | 0～0.06A | |
| Nominal resolution(*1) | H | 2.5mA | 1.25mA | 0.5mA |
| M | 0.25mA | 0.125mA | 0.05mA | |
| L | 0.05mA | 0.025mA | 0.01mA | |
| Accuracy(*4) | H | +/-0.2% of stg. +/-15mA+Vin/Rin | +/-0.2% of stg. +/-8mA+Vin/Rin | +/-0.2% of stg. +/-6mA+Vin/Rin |
| M | +/-0.2% of stg. +/-8mA+Vin/Rin | +/-0.2% of stg. +/-4mA+Vin/Rin | +/-0.2% of stg. +/-3mA+Vin/Rin | |
| L | +/-0.2% of stg. +/-3mA+Vin/Rin | +/-0.2% of stg. +/-2mA+Vin/Rin | +/-0.2% of stg. +/-1mA+Vin/Rin | |
| CR mode | ||||
| Voltage range | 20V | 50V | 85V | |
| Resistance range (Setting range) | H | 0.05 - 400 ohm | 0.2 - 1600 ohm | 0.6 - 5k ohm |
| M | 0.5 - 4k ohm | 2 - 16k ohm | 6 - 50k ohm | |
| Nominal resolution(*1) | H | 2ms | 500us | 166us |
| M | 200us | 50us | 16.7us | |
| Voltage range | 120V | 300V | 500V | |
| Current range (Setting range) | H | 0.15 - 1.2k ohm | 0.6 - 5.0k ohm | 1.8 - 14k ohm |
| M | 1.5 - 12k ohm | 6 - 50k ohm | 18 - 140k ohm | |
| Nominal resolution(*1) | H | 667us | 166us | 55.5us |
| M | 67us | 16.6us | 5.5us | |
| Accuracy(*2, 4, 6) | +/-0.5% of Conv. Curr. +/-0.2% of f.s. +Vin/Rin | |||
| CV mode | ||||
| Voltage range (Setting range) | H | 0 - 120V | 0 - 300V | 0 - 500V |
| L | 0 - 20V | 0 - 50V | 0 - 85V | |
| Nominal resolution(*1) | H | 10mV | 30mV | 50mV |
| L | 2mV | 5mV | 10mV | |
| Accuracy | +/-0.2% of stg. +/-0.2% of f.s. | |||
| Response time | Fast/Slow (300us/10ms Typ) | |||
| CP mode | ||||
| Power range | H | 0 - 150W | ||
| M | 0 - 20W | |||
| Nominal resolution(*1) | H | 25mW | ||
| M | 2.5mW | |||
| Accuracy(*4) | +/-2.5% of stg. +/-1% of f.s. +/-(VinXVin)/Rin | |||
| External control mode | ||||
| Current range (Setting range) | H | 0 - 30A | 0 - 15A | 0 - 6A |
| M | 0 - 3A | 0 - 1.5A | 0 - 0.6A | |
| Nominal resolution(*1) | H | 5mA | 2.5mA | 1mA |
| M | 0.5mA | 0.25mA | 0.1mA | |
| Accuracy(*4, 5) | +/-0.2% of stg. +/-0.5% of f.s. +Vin/Rin | |||
| Control voltage | 0 - 10V | |||
| Dynamic load mode | ||||
| Dynamic mode | ||||
| Control method | Switching | |||
| Loading mode | CC mode | |||
| Setting period | - 20ms / - 200ms / - 2s / - 20s / - 60s | |||
| Period resolution | 1us / 10us / 100us / 1ms / 10ms | |||
| Operating mode | Continuous, Single | |||
| Slew rate (Current range) | H | 0.1 - 10A/us | 0.05 - 5A/us | 5m - 0.5A/us |
| M | 0.01 - 1A/us | 5m - 0.5A/us | 0.5m - 50mA/us | |
| L | 0.001 - 0.1A/us | 0.5m - 0.05A/us | 0.05m - 5mA/us | |
| Min load response time(*3) | 500ns | |||
| Sequence mode | ||||
| Loading mode | CC / CR / CV / CP mode | |||
| Max steps | 1024 | |||
| Step duration | 1ms - 10min | |||
| Duration resolution | 1ms(1ms - 100ms) / 100ms(100ms - 10min) | |||
| Short mode | ||||
| Short current (MAX) | 30A | 15A | 6A | |
| Current limit setting | ||||
| Current range (Setting range) | H | 0.15 - 30A | 75m - 15A | 30m - 6A |
| M | 0.015 - 3A | 7.5m - 1.5A | 3m - 0.6A | |
| Nominal resolution(*1) | H | 0.15A | 75mA | 30mA |
| M | 15mA | 7.5mA | 3mA | |
| Parallel operation | ||||
| Master-Slave operation. One master unit can control up to 4 units of slaves of same voltage rating. For example: If the master unit is ELA-305 then ELA-155, ELA-305 or ELA-1005 may be connected as slave unit. | ||||
*1 : Nominal resolution: Approximated resolution of the range. / *2 : Conv.Curr: Ideal current value being calculated by [input / set R] / *3 : Min load response time: Minimum time required by the load when setting slew rate. / *4 : Rin: ELA-155 : 100kohm(typ) ELB-155 : 200kohm(typ) ELC-155 : 1500kohm(typ) / *5 : External controlsetting accuracy: Setting accuracy is defined when external control voltage of 10V is fed. / *6 Setting accuracy in CR mode is valid when applied 10% or more voltage of the voltage range. / *7 : It may vary in accordance to the internal temperature. / *8 Minimum operating voltage vary according to the current value. / *9 At rear loading terminals.
Measuring section
DC V | ||||
| ELA-155 | ELB-155 | ELC-155 | ||
| Range | H | 120.00V | 300.00V | 500.00V |
|---|---|---|---|---|
| L | 20.000V | 50.000V | 85.000V | |
| Resolution | H | 10mV | 10mV | 10mV |
| L | 1mV | 1mV | 1mV | |
| Accuracy(*1) | +/-0.05% of rdg. +/-0.05% of f.s. | |||
| Measuring time(*2) | Approx. 100ms | |||
DC I | ||||
| Range(*3) | H | 30A | 15A | 6A |
| M | 3A | 1.5A | 0.6A | |
| L | 0.3A | 0.15A | 0.06A | |
| Resolution | H | 0.25mA | 0.25mA | 0.25mA |
| M | 0.05mA | 0.05mA | 0.05mA | |
| L | 0.05mA | 0.05mA | 0.05mA | |
| Accuracy(*1) | H, M | +/-0.2% of rdg. +/-0.2% of f.s. | ||
| L | +/-0.2% of rdg. +/-0.5% of f.s. | |||
| Measuring time(*2) | Approx. 100ms | |||
Power | ||||
| Measuring method(*4) | Calculation by [Voltage X Current] | |||
| Measuring time(*2) | Approx. 200ms | |||
*1 Guaranteed for 6 months at 23 +/- 5C, <70% RH / *2 Measurement time when set at same measuring mode and range. / *3 Current measurement range depends on load setting range. / *※4 Absolute value of the measurement.
Measuring section
| DC Voltage | ||||
| ELA-305 | ELB-305 | ELC-305 | ||
|---|---|---|---|---|
| Range | H | 120.00V | 300.00V | 500.00V |
| L | 20.000V | 50.000V | 85.000V | |
| Resolution | H | 10mV | 10mV | 10mV |
| L | 1mV | 1mV | 1mV | |
| Accuracy(*1) | +/- 0.05% of rdg. +/- 0.05% of f.s. | |||
| Measuring time(*2) | Approx. 100ms | |||
| DC Current | ||||
| Range(*3) | H | 60A | 30A | 12A |
| M | 6A | 3A | 1.2A | |
| L | 0.6A | 0.3A | 0.12A | |
| Resolution | H | 0.5mA | 0.5mA | 0.5mA |
| M | 0.1mA | 0.1mA | 0.1mA | |
| L | 0.1mA | 0.1mA | 0.1mA | |
| Accuracy(*1) | H, M | +/- 0.2% of rdg. +/- 0.2% of f.s. | ||
| L | +/- 0.2% of rdg. +/- 0.5% of f.s. | |||
| Measuring time(*2) | Approx. 100ms | |||
| Power | ||||
| Measuring method(*4) | Calculation by [Voltage X Current] | |||
| Measuring time(*2) | Approx. 200ms | |||
*1 Guaranteed for 6 months at 23 +/- 5C, <70% RH / *2 Measurement time when set at same measuring mode and range. / *3 Current measurement range depends on load setting range. / *※4 Absolute value of the measurement.
| General | |||
| ELA-305 | ELB-305 | ELC-305 | |
| Loading terminals | on front & rear panel | ||
| Rated AC input | AC100 - 240V +/- 10% 50/60Hz | ||
| Power consumption | < 45VA (When in AC100V) | ||
| Operating temperature | 5 - 40C | ||
| Cooling system | Forced cooling fan | ||
| Dimensions | 215(W) X 128.6(H) X 420(D) excluding projected part | ||
| Weight | Approx. 10Kg | ||
| Interface | |||
| GP-IB | Conforming to IEEE488.1 | ||
| USB | Conforming to USB1.1 | ||
| External control voltage | 0 - 10V | ||
| Protection, Alarm | |||
| Over current protection | Protect load section by limitting the current. | ||
| Over power protection | Protect load section by limitting the power. | ||
| Over voltage alarm | Generate alarm when over voltage is applied. | ||
| Temperature protector | Generate alarm and cut off the output when overheaded. | ||
| Reverse connection alarm | Generate alarm when reverse voltage is applied. | ||
- Noted that the alarm function does not protect the instrument. Remove the cause of alarm to protect the instrument.
| TRIG OUT | ||||
| ELA-305 | ELB-305 | ELC-305 | ||
|---|---|---|---|---|
| Output(*1) | Photo coupler output | |||
| Output voltage | CC1 | +5V (Typ) | ||
| CC2 - CC16 | 0V (Typ) | |||
| CURRENT MONITOR | ||||
| Current range(*2, 3) | H, M | 1V / 60A f.s. | 1V / 30A f.s. | 1V / 12A f.s. |
| L | 0.04V / 0.6A f.s. | 0.04V / 0.3A f.s. | 0.04V / 0.12A f.s. | |
| Output resistance | 50 ohm | |||
| Accuracy(*4) | H, M | +/- 1% of Conv.Volt. +/-1 % of f.s. | ||
| L | +/- 5% of Conv.Volt. +/- 3% of f.s. | |||
1 TRIG OUT: Isolated / *2 CURRENT MONITOR: Not isolated / *3 Full scale of the current monitor and rated current are different in current range High, Mid and Low. / *4 Conv.Volt means approximated value of [Measured current X (FS of current monitor / Rated current)]
| General | |||
| ELA-155 | ELB-155 | ELC-155 | |
|---|---|---|---|
| Loading terminals | Both on front panel and rear panel | ||
| Rated AC input | AC100 - ～240V +/- 10% 50/60Hz | ||
| Power consumption | not more than 45VA (When in AC100V) | ||
| Operating temperature | 5 - 40C | ||
| Cooling system | Forced cooling fan | ||
| Dimensions | 215(W) X 128.6(H) X 420(D) Excluding projected part | ||
| Weight | Approx. 10Kg | ||
| Interface | |||
| GP-IB | Conforming to IEEE488.1 | ||
| USB | Conforming to USB1.1 | ||
| External control voltage | 0 - 10V | ||
| Protection, Alarm | |||
| Over current protection | Protect load section by limitting the current. | ||
| Over power protection | Protect load section by limitting the power. | ||
| Over voltage alarm | Generate alarm when over voltage is applied. | ||
| Temperature protector | Generate alarm and cut off the output when overheated. | ||
| Reverse connection alarm | Generate alarm when reverse voltage is applied. | ||
* Noted that the alarm function does not protect the instrument. Remove the cause of alarm to protect the instrument.
| TRIG OUT | ||||
| ELA-155 | ELB-155 | ELC-155 | ||
|---|---|---|---|---|
| Output(*1) | Photo coupler output | |||
| Output voltage | CC1 | +5V (Typ) | ||
| from CC2 | 0V (Typ) | |||
| CURRENT MONITOR | ||||
| Current range(*2, 3) | H, M | 1V / 30A f.s. | 1V / 15A f.s. | 1V / 6A f.s. |
| L | 0.04V / 0.3A f.s. | 0.04V / 0.15A f.s. | 0.04V / 0.06A f.s. | |
| Output resistance | 50 ohm | |||
| Accuracy(*4) | H, M | +/-1% of Conv.Volt. +/-1% of f.s. | ||
| L | +/-5% of Conv.Volt. +/-3% of f.s. | |||
*1 TRIG OUT: Isolated / *2 CURRENT MONITOR: Not isolated / *3 Full scale of the current monitor and rated current are different in current range High, Mid and Low. / *4 Conv.Volt means approximated value of [Measured current X (FS of current monitor / Rated current)]
| Max rating | ||||
| ELA-305 | ELB-305 | ELC-305 | ||
|---|---|---|---|---|
| Current | 60A | 30A | 12A | |
| Voltage | 120V | 300V | 500V | |
| Internal min resistance(*9) | 17m ohm | 67m ohm | 250m ohm | |
| Internal inductance(Typ)(*9) | 250nH | 400nH | 2uH | |
| Min operating voltage(*8, 9) | 1V(60A) / 0.5V(30A) / 0.2V(12A) | 2V(30A) / 1V(15A) / 0.5V(7.5A) | 3V(12A) / 1.5V(6A) / 0.7V(2.4A) | |
| Peak power(*7) | 20us or less | 7200W | 9000W | -- |
| 2s or less | 800W | 800W | -- | |
| 20s or less | 500W | 500W | -- | |
| Rated power | 300W | |||
| CC mode | ||||
| Current range (Setting range) | H | 0 - 60A | 0 - 30A | 0 - 12A |
| M | 0 - 6A | 0 - 3A | 0 - 1.2A | |
| L | 0 - 0.6A | 0 - 0.3A | 0 - 0.12A | |
| Nominal resolution(*1) | H | 5mA | 2.5mA | 1mA |
| M | 0.5mA | 0.25mA | 0.1mA | |
| L | 0.1mA | 0.05mA | 0.02mA | |
| Accuracy(*4) | H | +/- 0.2% of stg. +/- 25mA+Vin/Rin | +/- 0.2% of stg. +/- 15mA+Vin/Rin | +/- 0.2% of stg. +/- 10mA+Vin/Rin |
| M | +/- 0.2% of stg. +/- 12mA+Vin/Rin | +/- 0.2% of stg. +/- 6mA+Vin/Rin | +/- 0.2% of stg. +/- 3mA+Vin/Rin | |
| L | +/- 0.2% of stg. +/- 6mA+Vin/Rin | +/- 0.2% of stg. +/- 3mA+Vin/Rin | +/- 0.2% of stg. +/- 2mA+Vin/Rin | |
| CR mode | ||||
| Voltage range | 20V | 50V | 85V | |
| Current range (Setting range) | Current range:H | 0.025 - 200 ohm | 0.1 - 800 ohm | 0.3 - 2.5k ohm |
| Current range:M | 0.25 - 2k ohm | 1 - 8k ohm | 3 - 25k ohm | |
| Nominal resolution(*1) | Current range:H | 4ms | 1ms | 333us |
| Current range:M | 400us | 100us | 33us | |
| Voltage range | 120V | 300V | 500V | |
| Current range (Setting range) | Current range:H | 0.075 - 600 ohm | 0.3 - 2.5k ohm | 0.9 - 7k ohm |
| Current range:M | 0.75 - 6k ohm | 3 - 25k ohm | 9 - 70k ohm | |
| Nominal resolution(*1) | Current range:H | 1.33ms | 333us | 111us |
| Current range:M | 133us | 33us | 11us | |
| Accuracy(*2, 4, 6) | +/- 0.5% of Conv. Curr. +/- 0.2% of f.s. +Vin/Rin | |||
| CV mode | ||||
| Voltage range (Setting range) | H | 0 - 120V | 0 - 300V | 0 - 500V |
| L | 0 - 20V | 0 - 50V | 0 - 85V | |
| Nominal resolution(*1) | H | 10mV | 30mV | 50mV |
| L | 2mV | 5mV | 10mV | |
| Accuracy | +/- 0.2% of stg. +/- 0.2% of f.s. | |||
| Response time | Fast/Slow (300us/10ms Typ) | |||
| CP mode | ||||
| Power range | Current range:H | 0 - 300W | ||
| Current range:M | 0 - 40W | |||
| Nominal resolution(*1) | Current range:H | 50mW | ||
| Current range:M | 5mW | |||
| Accuracy(*4) | +/- 2.5% of stg. +/- 1% of f.s. +/- (VinXVin)/Rin | |||
| External control mode | ||||
| Current range (Setting range) | H | 0 - 60A | 0 - 30A | 0 - 12A |
| M | 0 - 6A | 0 - 3A | 0 - 1.2A | |
| Nominal resolution(*1) | H | 10mA | 5mA | 2mA |
| M | 1mA | 0.5mA | 0.2mA | |
| Accuracy(*4, 5) | +/- 0.2% of stg. +/- 0.5% of f.s. +Vin/Rin | |||
| Control voltage | 0 - 10V | |||
| Dynamic load mode | ||||
| Dynamic mode | ||||
| Control method | Switching | |||
| Loading mode | CC mode | |||
| Setting period | - 20ms / - 200ms / - 2s / - 20s / - 60s | |||
| Period resolution | 1us / 10us / 100us / 1ms / 10ms | |||
| Operating mode | Continuous, Single | |||
| Slew rate (Current range) | H | 0.2 - 20A/us | 0.1 - 10A/us | 0.01 - 1A/us |
| M | 0.02 - 2A/us | 0.01 - 1A/us | 0.001 - 0.1A/us | |
| L | 0.002 - 0.2A/us | 0.001 - 0.1A/us | 0.0001 - 0.01A/us | |
| Min load response time(*3) | 500ns | |||
| Sequence mode | ||||
| Loading mode | CC / CR / CV / CP mode | |||
| Max steps | 1024 | |||
| Step duration | 1ms - 10min | |||
| Duration resolution | 1ms(1ms - 100ms) / 100ms(100ms - 10min) | |||
| Short mode | ||||
| Short current (MAX) | 60A | 30A | 12A | |
| Current limit setting | ||||
| Current range (Setting range) | H | 0.3 - 60A | 0.15 - 30A | 0.06 - 12A |
| M | 0.03 - 6A | 0.015m - 3A | 0.006m - 1.2A | |
| Nominal resolution(*1) | H | 0.3A | 0.15A | 0.06A |
| M | 30mA | 15mA | 6mA | |
| Parallel operation | ||||
| Master-Slave operation. One master unit can control up to 4 units of slaves of same voltage rating. For example: If the master unit is ELA-305 then ELA-155, ELA-305 or ELA-1005 may be connected as slave unit. | ||||
*1 : Nominal resolution: Approximated resolution of the range. / *2 : Conv.Curr: Ideal current value being calculated by [input / set R] / *3 : Min load response time: Minimum time required by the load when setting slew rate. / *4 : Rin: ELA-155 : 100kohm(typ) ELB-155 : 200kohm(typ) ELC-155 : 1500kohm(typ) / *5 : External controlsetting accuracy: Setting accuracy is defined when external control voltage of 10V is fed. / *6 Setting accuracy in CR mode is valid when applied 10% or more voltage of the voltage range. / *7 : It may vary in accordance to the internal temperature. / *8 Minimum operating voltage vary according to the current value. / *9 At rear loading terminals.
| DC Voltage | ||||
| ELA-305 | ELB-305 | ELC-305 | ||
|---|---|---|---|---|
| Range | H | 120.00V | 300.00V | 500.00V |
| L | 20.000V | 50.000V | 85.000V | |
| Resolution | H | 10mV | 10mV | 10mV |
| L | 1mV | 1mV | 1mV | |
| Accuracy(*1) | +/- 0.05% of rdg. +/- 0.05% of f.s. | |||
| Measuring time(*2) | Approx. 100ms | |||
| DC Current | ||||
| Range(*3) | H | 60A | 30A | 12A |
| M | 6A | 3A | 1.2A | |
| L | 0.6A | 0.3A | 0.12A | |
| Resolution | H | 0.5mA | 0.5mA | 0.5mA |
| M | 0.1mA | 0.1mA | 0.1mA | |
| L | 0.1mA | 0.1mA | 0.1mA | |
| Accuracy(*1) | H, M | +/- 0.2% of rdg. +/- 0.2% of f.s. | ||
| L | +/- 0.2% of rdg. +/- 0.5% of f.s. | |||
| Measuring time(*2) | Approx. 100ms | |||
| Power | ||||
| Measuring method(*4) | Calculation by [Voltage X Current] | |||
| Measuring time(*2) | Approx. 200ms | |||
*1 Guaranteed for 6 months at 23 +/- 5C, <70% RH / *2 Measurement time when set at same measuring mode and range. / *3 Current measurement range depends on load setting range. / *※4 Absolute value of the measurement.
| General | |||
| ELA-305 | ELB-305 | ELC-305 | |
| Loading terminals | on front & rear panel | ||
| Rated AC input | AC100 - 240V +/- 10% 50/60Hz | ||
| Power consumption | < 45VA (When in AC100V) | ||
| Operating temperature | 5 - 40C | ||
| Cooling system | Forced cooling fan | ||
| Dimensions | 215(W) X 128.6(H) X 420(D) excluding projected part | ||
| Weight | Approx. 10Kg | ||
| Interface | |||
| GP-IB | Conforming to IEEE488.1 | ||
| USB | Conforming to USB1.1 | ||
| External control voltage | 0 - 10V | ||
| Protection, Alarm | |||
| Over current protection | Protect load section by limitting the current. | ||
| Over power protection | Protect load section by limitting the power. | ||
| Over voltage alarm | Generate alarm when over voltage is applied. | ||
| Temperature protector | Generate alarm and cut off the output when overheaded. | ||
| Reverse connection alarm | Generate alarm when reverse voltage is applied. | ||
- Noted that the alarm function does not protect the instrument. Remove the cause of alarm to protect the instrument.
| TRIG OUT | ||||
| ELA-305 | ELB-305 | ELC-305 | ||
|---|---|---|---|---|
| Output(*1) | Photo coupler output | |||
| Output voltage | CC1 | +5V (Typ) | ||
| CC2 - CC16 | 0V (Typ) | |||
| CURRENT MONITOR | ||||
| Current range(*2, 3) | H, M | 1V / 60A f.s. | 1V / 30A f.s. | 1V / 12A f.s. |
| L | 0.04V / 0.6A f.s. | 0.04V / 0.3A f.s. | 0.04V / 0.12A f.s. | |
| Output resistance | 50 ohm | |||
| Accuracy(*4) | H, M | +/- 1% of Conv.Volt. +/-1 % of f.s. | ||
| L | +/- 5% of Conv.Volt. +/- 3% of f.s. | |||
1 TRIG OUT: Isolated / *2 CURRENT MONITOR: Not isolated / *3 Full scale of the current monitor and rated current are different in current range High, Mid and Low. / *4 Conv.Volt means approximated value of [Measured current X (FS of current monitor / Rated current)]
永远超越客户的期待
ALWAYS GOES BEYOND CUSTOMERS' EXPECTATIONS