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  • 產品名稱:KEISOKU GIKEN ELA-305/ELB-305/ELC-305低電壓多功能電子負載

  • 產品型號:PLZ303W
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KEISOKU GIKEN ELA-305/ELB-305/ELC-305低電壓多功能電子負載
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KEISOKU GIKEN

ELA-305/ELB-305/ELC-305低電壓多功能電子負載

 

Load section ELA-305ELB-305ELC-305CurrentVoltageInternal min resistance(*9)Internal inductance(Typ)(*9)Min operating voltage(*8, 9)Peak power(*7)20us or less2s or less20s or lessRated powerCurrent range
(Setting range)HMLNominal resolution(*1)HMLAccuracy(*4)HMLVoltage range20V50V85VCurrent range
(Setting range)Current range:HCurrent range:MNominal resolution(*1)Current range:HCurrent range:M Voltage rangeCurrent range
(Setting range)Current range:HCurrent range:MNominal resolution(*1)Current range:HCurrent range:MAccuracy(*2, 4, 6)Voltage range
(Setting range)HLNominal resolution(*1)HLAccuracyResponse timePower rangeCurrent range:HCurrent range:MNominal resolution(*1)Current range:HCurrent range:MAccuracy(*4)Current range
(Setting range)HMNominal resolution(*1)HMAccuracy(*4, 5)Control voltageControl methodLoading modeSetting periodPeriod resolutionOperating modeSlew rate
(Current range)HMLMin load response time(*3)Loading modeMax stepsStep durationDuration resolutionShort current (MAX)Current range
(Setting range)HMNominal resolution(*1)HM
Max rating
60A 30A 12A
120V 300V 500V
17m ohm 67m ohm 250m ohm
250nH 400nH 2uH
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)
7200W 9000W --
800W 800W --
500W 500W --
300W
CC mode
0 - 60A 0 - 30A 0 - 12A
0 - 6A 0 - 3A 0 - 1.2A
0 - 0.6A 0 - 0.3A 0 - 0.12A
5mA 2.5mA 1mA
0.5mA 0.25mA 0.1mA
0.1mA 0.05mA 0.02mA
+/- 0.2% of stg. +/- 25mA+Vin/Rin +/- 0.2% of stg. +/- 15mA+Vin/Rin +/- 0.2% of stg. +/- 10mA+Vin/Rin
+/- 0.2% of stg. +/- 12mA+Vin/Rin +/- 0.2% of stg. +/- 6mA+Vin/Rin +/- 0.2% of stg. +/- 3mA+Vin/Rin
+/- 0.2% of stg. +/- 6mA+Vin/Rin +/- 0.2% of stg. +/- 3mA+Vin/Rin +/- 0.2% of stg. +/- 2mA+Vin/Rin
CR mode
0.025 - 200 ohm 0.1 - 800 ohm 0.3 - 2.5k ohm
0.25 - 2k ohm 1 - 8k ohm 3 - 25k ohm
4ms 1ms 333us
400us 100us 33us
120V 300V 500V
0.075 - 600 ohm 0.3 - 2.5k ohm 0.9 - 7k ohm
0.75 - 6k ohm 3 - 25k ohm 9 - 70k ohm
1.33ms 333us 111us
133us 33us 11us
+/- 0.5% of Conv. Curr. +/- 0.2% of f.s. +Vin/Rin
CV mode
0 - 120V 0 - 300V 0 - 500V
0 - 20V 0 - 50V 0 - 85V
10mV 30mV 50mV
2mV 5mV 10mV
+/- 0.2% of stg. +/- 0.2% of f.s.
Fast/Slow (300us/10ms Typ)
CP mode
0 - 300W
0 - 40W
50mW
5mW
+/- 2.5% of stg. +/- 1% of f.s. +/- (VinXVin)/Rin
External control mode
0 - 60A 0 - 30A 0 - 12A
0 - 6A 0 - 3A 0 - 1.2A
10mA 5mA 2mA
1mA 0.5mA 0.2mA
+/- 0.2% of stg. +/- 0.5% of f.s. +Vin/Rin
0 - 10V
Dynamic load mode
Dynamic mode
Switching
CC mode
- 20ms / - 200ms / - 2s / - 20s / - 60s
1us / 10us / 100us / 1ms / 10ms
Continuous, Single
0.2 - 20A/us 0.1 - 10A/us 0.01 - 1A/us
0.02 - 2A/us 0.01 - 1A/us 0.001 - 0.1A/us
0.002 - 0.2A/us 0.001 - 0.1A/us 0.0001 - 0.01A/us
500ns
Sequence mode
CC / CR / CV / CP mode
1024
1ms - 10min
1ms(1ms - 100ms) / 100ms(100ms - 10min)
Short mode
60A 30A 12A
Current limit setting
0.3 - 60A 0.15 - 30A 0.06 - 12A
0.03 - 6A 0.015m - 3A 0.006m - 1.2A
0.3A 0.15A 0.06A
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 ELA-305ELB-305ELC-305RangeHLResolutionHLAccuracy(*1)Measuring time(*2)Range(*3)HMLResolutionHMLAccuracy(*1)H, MLMeasuring time(*2)Measuring method(*4)Measuring time(*2)
DC Voltage
120.00V 300.00V 500.00V
20.000V 50.000V 85.000V
10mV 10mV 10mV
1mV 1mV 1mV
+/- 0.05% of rdg. +/- 0.05% of f.s.
Approx. 100ms
DC Current
60A 30A 12A
6A 3A 1.2A
0.6A 0.3A 0.12A
0.5mA 0.5mA 0.5mA
0.1mA 0.1mA 0.1mA
0.1mA 0.1mA 0.1mA
+/- 0.2% of rdg. +/- 0.2% of f.s.
+/- 0.2% of rdg. +/- 0.5% of f.s.
Approx. 100ms
Power
Calculation by [Voltage X Current]
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-305ELB-305ELC-305Loading terminalsRated AC inputPower consumptionOperating temperatureCooling systemDimensionsWeightGP-IBUSBExternal control voltageOver current protectionOver power protectionOver voltage alarmTemperature protectorReverse connection alarm
General
on front & rear panel
AC100 - 240V +/- 10% 50/60Hz
< 45VA (When in AC100V)
5 - 40C
Forced cooling fan
215(W) X 128.6(H) X 420(D) excluding projected part
Approx. 10Kg
Interface
Conforming to IEEE488.1
Conforming to USB1.1
0 - 10V
Protection, Alarm
Protect load section by limitting the current.
Protect load section by limitting the power.
Generate alarm when over voltage is applied.
Generate alarm and cut off the output when overheaded.
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.

 ELA-305ELB-305ELC-305Output(*1)Output voltageCC1CC2 - CC16Current range(*2, 3)H, MLOutput resistanceAccuracy(*4)H, ML
TRIG OUT
Photo coupler output
+5V (Typ)
0V (Typ)
CURRENT MONITOR
1V / 60A f.s. 1V / 30A f.s. 1V / 12A f.s.
0.04V / 0.6A f.s. 0.04V / 0.3A f.s. 0.04V / 0.12A f.s.
50 ohm
+/- 1% of Conv.Volt. +/-1 % of f.s.
+/- 5% of Conv.Volt. +/- 3% of f.s.
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