ELA-305/ELB-305/ELC-305低电压多功能电子负载
厂 牌 : KEISOKU GIKEN
Load section
| 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 | |||
| H | 0.2 - 20A/us | 0.1 - 10A/us | 0.01 - 1A/us | |
| Slew rate | M | 0.02 - 2A/us | 0.01 - 1A/us | 0.001 - 0.1A/us |
| (Current range) | 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.
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
| 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