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MEL-9000 Series Programmable DC Electronic Load

MEL-9000 Series Programmable DC Electronic Load

•High-resolution measurement: current 0.001A, voltage 0.001V, resistance 0.001Ω, power 0.001W
•Input voltage: AC 220V±10%, 50/60Hz
•Power consumption: <40W
•Load resistance range: 0.1Ω~1000kΩ
•Multiple communication interfaces support automated testing systems
•Intelligent temperature control ensures stable operation under full load conditions

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High-visibility VFD display with adjustable bright-nessNumeric keyboard, rotary encoding switch, simple and fastoperationFull-digital bit programmable interface- High resolution and high precisionDistal voltage compensation functionBattery capacity and internal resistance test functionAutomatic test function
Dynamic test functionAutomatic step sequence table test functionPWM temperature control intelligent fan
controlBuilt-in Buzzer serves as a warning promptPower off maintain memory functionSoftware can be monitored by computerOver voltage /over current /over power/overheat / polarreverse connection protectionWith a PASS /FAIL signal output, the TRIG triggers the signalinput
Fixed voltage CV / fixed current CC / fixed resistance CR/fixed power CP four working modes

Parameter specifications
Input Input voltage AC 220V±10%, 50±20 Hz
Power dissipation <40W
Load Load voltage 1~150V/1~500V/1~600V/1~1200V
Load current 0~60A~1200A
Bearing power 600W~30 KW
Load resistance 0.1Ω~10000Ω
Measurement resolution Main current 0.001A
Principal voltage 0.001V
Resistance 0.001Ω
Power 0.001W
Certainty of measurement Main current Imax ± 0.05% + 4 mA (24 bit/A / D, 15 ppm / ℃ benchmark)
Principal voltage Vmax ± 0.05% + 4 mV (24 bit/A / D, 15 ppm / ℃ reference, input impedance 1M Ω)
Control accuracy Current Imax ± 0.1% + 4 mA (16 bitD / A, 15 ppm / ℃ datum)
Voltage Vmax ± 0.1% + 4 mV (16 bitD / A, 15 ppm / ℃ datum)
Resistance Rmax ± 0.1% + 0.1 Ω (16 bitD / A, 15 ppm / ℃ benchmark)
Power Pmax±0.1%+0.1W (16 bitD / A, 15 ppm / ℃ baseline)
Protect Overvoltage 157.5V~1260V
Too warm 85℃
Over power 630W~31500W
Overcurrent 65A~1205A
Communication interface Programmable interface RS232, RS 485
Supervising software Connect control PC software (open communication protocol, support secondary development)
Function Work pattern Fixed current CC fixed voltage CV fixed resistance CR fixed power CP
Conventional function Dynamic test (up to 10 KHz2), short-circuit test, high-precision battery test (hour AH, wait-hour WiFi)
Automatic testing List test customizable functions: overcurrent protection point / protection time test, internal resistance test, etc
Extended port External trigger √
Pass.fail output √
Remote voltage measurement √
Fittings of a machine RS232 communication line, load high-current copper silver coated cold pressing terminal, communication extension terminal, power line, manual, warranty card
Service environment Full load range: 0~300C (over 300C, 40W / 0C); 10 ~ 60% RH
The dc input is resistant to the case pressure ±500 VDC MAX
Ac insulation resistance of the input to the cabinet Ah> 20 MΩ, 500 VDC
Dimensions (w * h * d) See the selection table

 

Model MEL9713 MEL9716 MEL9717 MEL9718 MEL9719 MEL9720 MEL9721
Load Load voltage 1~150V 1~150V 1~150V 1~150V 1~150V 1~150V 1~150V
Load current 0~120A 0~240A 0~240A 0~240A 0~240A 0~240A 0~300A
Loading power 800W 1200W 2400W 3600W 4800W 6000W 8000W
Load resistance 0.1Ω~10000Ω
Protect Overvoltage 157.5V 157.5V 157.5V 157.5V 157.5V 157.5V 157.5V
Too warm 85℃
Over Power 630W 1260W 2520W 3780W 5040W 6300W 8400W
Overcurrent 125A 245A 245A 245A 245A 245A 305A
Size 480*90*400(19″/2U) 480*180*400(19″/4U) 480*270*400(19″/6U) 480*360*400(19″/8U) 480*450*400(19″/10U)

 

Model MEL9722 MEL9723 MEL9724 MEL9725 MEL9726 MEL9727 MEL9728
Load Load voltage 1~150V 1~150V 1~150V 1~150V 1~150V 1~150V 1~150V
Load current 0~300A 0~300A 0~600A 0~800A 0~900A 0~1000A 0~1200A
Loading power 10000W 12000W 15000W 18000W 21 KW 24 KW 30 KW
Load resistance 0.1Ω~10000Ω
Protect Overvoltage 157.5V 157.5V 157.5V 157.5V 157.5V 157.5V 157.5V
Too warm 85℃
Over Power 10500W 12600W 15750W 18900W 22050W 25200W 31500W
Overcurrent 305A 305A 605A 805A 905A 1005A 1205A
Size 480*630*400(19″/4U) 480*380*400(197″/20U) 480*1070*400(19″/24U) 480*1250*400(19″/28U) 480*1430*400(19″/32U) 480*2140*400(19″/48U)

 

Model MEL9713H MEL9716H MEL9717H MEL9718H MEL9719H MEL9720H MEL9721H
Load Load voltage 1~500V 1~500V 1~500V 1~500V 1~500V 1~500V 1~500V
Load current 0~60A 0~120A 0~120A 0~120A 0~120A 0~120A 0~200A
Bearing power 600W 1200W 2400W 3600W 4800W 6000W 8000W
Load resistance 0.1Ω~10000Ω
Protect Overvoltage 525V 525V 525V 525V 525V 525V 630V
Too warm 85℃
Over power 630W 1260W 2520W 3780W 5040W 6300W 8400W
Overcurrent 65A 125A 125A 125A 125A 125A 205A
Size 480*90*400(19″/2U) 480*180*400(19″/4U) 480*270*400(19″/6U) 480*360*400(19″/8U) 480*540*400(19″/12U)

 

Model MEL9722H MEL9723H MEL9724H MEL9725H MEL9726H MEL9727H MEL9728H
Load Load voltage 1~500V 1~500V 1~500V 1~500V 1~500V 1~500V 1~500V
Load current 0~240A 0~240A 0~300A 0~360A 0~360A 0~400A 0~480A
Bearing power 10000W 12000W 15000W 18000W 21 KW 24 KW 30 KW
Load resistance 0.1Ω~10000Ω
Protect Overvoltage 630V 630V 630V 630V 630V 630V 630V
Too warm 85℃
Over power 10500W 12600W 15750W 18900W 22050W 25200W 31500W
Vercurrent 245A 245A 305A 365A 365A 405A 485A
Size 480*720*400(19″/16U) 480*890*400(19″/20U) 480*1070*400(19″/24U) 480*1250*400(19″/28U) 480*1430*400(19″/32U) 480*2140*400(19″/48U)

 

Model MEL9721G MEL9722G MEL9723G MEL9724G MEL9725G MEL9726G MEL9727G MEL9728G
Load Load voltage 1~1200V 1~1200V 1~1200V 1~1200V 1~1200V 1~1200V 1~1200V 1~1200V
Load current 0~150A 0~150A 0~200A 0~240A 0~300A 0~300A 0~300A 0~360A
Bearing power 8000W 10000W 12000W 15000W 18000 KW 21 KW 24 KW 30 KW
Load resistance 0.1Ω~10000Ω
Protect Overvoltage 1260V 1260V 1260V 1260V 1260V 1260V 1260V 1260V
Too warm 85℃
Over power 8400W 10500W 12600W 15750W 18900W 22050W 25200W 31500W
Over current 155A 155A 205A 245A 305A 305A 305A 365A
Size 480*630*400(19″/14U) 480*890*400(19″/20U) 480*1070*400(19″/24U) 480*1430*400(19″/32U) 480*1610*400(19″/36U) 480*1780*400(19″/40U) 480*2140*400(19″/48U)
Standard Accessories:Power Cable*1PC, User Manual
Contact Form Demo (#4)

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