IT8733B (500W, 500V/30A, Measurement Resolution 1mV/0.01mA, 1-Ch Programmable DC Electronic Load)


Brand: ITECH
Model Series: IT8700 Series
Category:

About Product

The ITECH IT8700 Series Multi-channel Programmable DC Electronic Loads are single channel or dual channels high accuracy programmable DC electronic loads with high resolution and accuracy and superior performance and efficiency. The IT8700 Series are composed of 8 models of modules with high measurement resolution 0.1mV/0.01mA in max, CV/CC//CR/CP modes, short-circuit simulation, List mode, dynamic mode, dynamic power distribution mode, easy operation and display access keys and freely system architecture configurable, all providing the greatest test convenience for complex tests and solution easily and rapidly. Working with IT8702 mainframe and even the IT8703 extended mainframe, the IT8700 Series modules can support up to 16 channels and each channel is grounded separately to avoid short circuit damage. The IT8700 Series have voltage and current measurement function, without the need of voltmeter and ammeter and thus reducing the cost to user. The IT8700 Series are valuable high performance products; they are strong, smart and reliable multi-channel DC electronic loads which are widely used in R&D, production and quality control testing lines and maintenance center in favorite for multi-purpose power testing solution and application.

Product Features

  • Display screen: Highlight VFD display
  • Removable modules for easy system configurability
  • Support several modules working at the same time (IT8700 Series modules + IT8702/IT8703)
  • Support up to 16 channels with mainframe extension (16 IT8700 Series modules + IT8702 + IT8703) (See photo section)
  • Maximum load power of single channel module up to 600W, load voltage 80V and load current 120A (IT8733)
  • Maximum load power of two channels module up to 300W, load voltage 80V and load current 45A on both channels of Ch1 and Ch2 (IT8723)
  • Maximum load power of dual channels module up to
    • 300W for Ch1 + Ch2, in which the maximum load power of Ch1 and Ch2 are 50W and 250W respectively (IT8722, IT8722B)
    • 600W for Ch1 + Ch2, in which Ch1 + Ch2 load power rating can be added together by parallel connection (IT8723)
  • Maximum load voltage up to 500V (IT8722B, IT8732B, IT8733B)
  • Maximum load current up to 120A (IT8733)
  • 4 modes of operation: CV, CC, CR, CP
  • CV mode
    • IT8722, IT8731, IT8732, IT8733
      • Range: 0-18V
        • Resolution: 1mV
        • Accuracy: ± (0.05% + 0.02%FS)
      • Range: 0-80V
        • Resolution: 10mV
        • Accuracy: ± (0.05% + 0.025%FS)
    • IT8722B
      • Range: 1-50V
        • Resolution: 1mV
        • Accuracy: ± (0.05% + 0.05%FS)
      • Range: 1-500V
        • Resolution: 10mV
        • Accuracy: ± (0.05% + 0.05%FS)
    • IT8723
      • Range: 0-18V
        • Resolution: 1mV
        • Accuracy: ± (0.05% + 0.025%FS)
      • Range: 0-80V
        • Resolution: 10mV
        • Accuracy: ± (0.05% + 0.025%FS)
    • IT8732B, IT873B
      • Range: 0-18V
        • Resolution: 1mV
        • Accuracy: ± (0.05% + 0.02%FS)
      • Range: 0-500V
        • Resolution: 10mV
        • Accuracy: ± (0.05% + 0.025%FS)
  • CC mode
    • IT8722, IT8732B
      • Range: 0-3A
        • Resolution: 1mA
        • Accuracy: ± (0.05% + 0.05%FS)
      • Range: 0-20A
        • Resolution: 1mA
        • Accuracy: ± (0.05% + 0.05%FS)
    • IT8722B
      • Range: 0-3A
        • Resolution: 1mA
        • Accuracy: ± (0.05% + 0.05%FS)
      • Range: 0-15A
        • Resolution: 1mA
        • Accuracy: ± (0.05% + 0.05%FS)
    • IT8723
      • Range: 0-4.5A
        • Resolution: 1mA
        • Accuracy: ± (0.05% + 0.05%FS)
      • Range: 0-45A
        • Resolution: 1mA
        • Accuracy: ± (0.05% + 0.05%FS)
    • IT8731
      • Range: 0-4A
        • Resolution: 1mA
        • Accuracy: ± (0.05% + 0.05%FS)
      • Range: 0-40A
        • Resolution: 1mA
        • Accuracy: ± (0.05% + 0.05%FS)
    • IT8732
      • Range: 0-6A
        • Resolution: 1mA
        • Accuracy: ± (0.05% + 0.05%FS)
      • Range: 0-60A
        • Resolution: 1mA
        • Accuracy: ± (0.05% + 0.05%FS)
    • IT8733
      • Range: 0-12A
        • Resolution: 1mA
        • Accuracy: ± (0.05% + 0.1%FS)
      • Range: 0-120A
        • Resolution: 1mA
        • Accuracy: ± (0.1% + 0.1%FS)
    • IT8733B
      • Range: 0-3A
        • Resolution: 1mA
        • Accuracy: ± (0.05% + 0.05%FS)
      • Range: 0-30A
        • Resolution: 1mA
        • Accuracy: ± (0.05% + 0.05%FS)
  • CR mode
    • IT8722, IT8731, IT8732
      • Range: 05Ω-10Ω
        • Resolution: 16 bit
        • Accuracy: 01% + 0.08S
      • Range: 10Ω-7.5kΩ
        • Resolution: 16 bit
        • Accuracy: 01% + 0.0008S
    • IT8722B
      • Range: 05Ω-10Ω
        • Resolution: 16 bit
        • Accuracy: 01% + 0.08S
      • Range: 10Ω-7.5kΩ
        • Resolution: 16 bit
        • Accuracy: 01% + 0.0008S
    • IT8723
      • Range: 05Ω-10Ω
        • Resolution: 16 bit
        • Accuracy: 01% + 0.08S
      • Range: 10Ω-7.5kΩ
        • Resolution: 16 bit
        • Accuracy: 01% + 0.0008S
    • IT8732B
      • Range: 25Ω-10Ω
        • Resolution: 16 bit
        • Accuracy: 01% + 0.08S
      • Range: 10Ω-7.5kΩ
        • Resolution: 16 bit
        • Accuracy: 01% + 0.0008S
    • IT8733
      • Range: 02Ω-10Ω
        • Resolution: 16 bit
        • Accuracy: 01% + 0.08S
      • Range: 10Ω-7.5kΩ
        • Resolution: 16 bit
        • Accuracy: 01% + 0.0008S
    • IT8733B
      • Range: 2Ω-10Ω
        • Resolution: 16 bit
        • Accuracy: 01% + 0.08S
      • Range: 10Ω-7.5kΩ
        • Resolution: 16 bit
        • Accuracy: 01% + 0.0008S
    • Note: S is the resistance readback range and known as1/(1/R+(1/R)*0.01%+S),1/(1/R-(1/R)*0.01%-S)
  • CP mode
    • IT8722
      • Range: 250W
        • Resolution: 10mW
        • Accuracy: ± (0.2% + 0.2%FS)
    • IT8722B
      • Range: 250W
        • Resolution: 10mW
        • Accuracy: ± (0.2% + 0.2%FS)
    • IT8723, IT8732B
      • Range: 300W
        • Resolution: 10mW
        • Accuracy: ± (0.2% + 0.2%FS)
    • IT8731
      • Range: 200W
        • Resolution: 10mW
        • Accuracy: ± (0.2% + 0.2%FS)
    • IT8732
      • Range: 400W
        • Resolution: 10mW
        • Accuracy: ± (0.2% + 0.2%FS)
    • IT8733
      • Range: 600W
        • Resolution: 10mW
        • Accuracy: ± (0.2% + 0.2%FS)
    • IT8733B
      • Range: 500W
        • Resolution: 10mW
        • Accuracy: ± (0.2% + 0.2%FS)
  • High measurement resolution in load ratings
    • Power: 10mW
    • Voltage: 1mV in max
    • Current: 01mA in max
  • High measurement accuracy in load ratings
    • Power: ± (0.1% + 0.1%FS) in max
    • Voltage: ± (0.025% + 0.025%FS)
    • Current: ± (0.05% + 0.05%FS) in max
  • Convenient data entry via knob or numerical key pad
  • With rotary coding switch to make an easy operation
  • Dynamic power distribution function for dual channels, saving the cost (IT8722, IT8722B, IT8723)
  • Dual-channel module displays every channel information simultaneously (IT8722, IT8722B, IT8723)
  • Up to 25kHz transient mode and 100kHz List mode
  • Fast measurement speed up to 50kHz
  • Adjustable rate in CC mode
  • Output resolution up to 16 bits, voltmeter and ammeter reach 5½ bits
  • Support output terminal at the rear panel
  • Short circuit simulation and measure short-circuit current peak value
  • Simulate the transient response by editing the load waveform on voltage, current, slew rate and width and export measured values in time
  • Built-in waveform generator and List mode
  • Remote sense function
  • Current monitoring function
  • Protection function: OVP, OCP, OTP, OPP, input reverse polarity protection
  • Self-test system
  • Memory capacity: 100 groups, for save and recall
  • Provide free remote control software (IT9000-PV8700) with strong function saving secondary development time
  • Versatile interface: RS232, USB, GPIB and LAN come as standard (IT8702, IT8703)

Product Functions

  • Up to 50kHz high measurement speed because of parallel modular design architecture
  • The IT8700 Series has a high performance microprocessor in every module and mainframe. The system controls modules synchronously and can also test multi-output batteries synchronously
  • Voltage and current measurement function to save costs on extra voltmeter and ammeter
  • Separate grounding: Every IT8700 Series module is grounded separately to avoid short-circuit damage
  • Master-slave design allows all IT8700 Series modules to work simultaneously in CV, CC, CR and CP modes
  • Automatic test function: When applied in auto test, an user can judge whether the test parameters of DUT are within specification limits and adjust according to Go/NG output states
  • Dynamic mode: Dynamic mode enables the IT8700 Series module to periodically switch between two load-levels.  A power supply’s regulation and transient characteristic can be evaluated by monitoring the supply’s output voltage waveform under varying combination of load levels, frequency, duty cycle and slew rate.  The IT8700 Series can supply transient operation not only in CC mode but also in CV and CR mode.  Transient operation can be used in test integral response of the circuit, e.g., the current changes when the disk driver runs and stops.  Transient operation can simulate these conditions (See photo section)
  • List mode:  Not limited to just switching between two levels, the List mode helps you generate more complex sequences of input changes with several different levels (See photo section)
  • Remote sense: When working in CC, CV, CP and CR mode, if the electronic load consumes a very large current, it will cause a voltage drop in the leads between the connected device and terminals of the electronic load. In order to ensure testing accuracy, the electronic load provides a pair of remote sensing terminals in the rear panel where users can sense the output terminal voltage of the connected device.  Users should set the electronic load in REMOTE SENSE mode before using this function.  By eliminating the effect of the voltage drop in the load leads, remote sensing provides greater accuracy by allowing the electronic load to regulate directly at the source’s output terminals (See photo section)
  • USBTMC and SCPI communication protocol supported

Product Application

  • Automotive electronics test solution
  • Solar and photovoltaic inverter test solution
  • LED lighting and driver test solution
  • Battery test solution
  • Charger and wireless charger test solutions
  • Power supply test solution
  • Performance testing of multi-channel communication source of AC-DC power supply and DC-DC power supply
  • Stability and aging test for switch of car door

Standard Accessories

  1. RS232 Interface (IT8702, IT8703)
  2. GPIB Interface (IT8702, IT8703)
  3. LAN Interface (IT8702, IT8703)
  4. USB Interface (IT8702, IT8703)
  5. USB Cable (IT8702, IT8703)
  6. Calibration Report
  7. CD (Operation Manual & Communication Protocol Manual)
  8. Power Cable

Product Options

  1. IT-E153: 19” Rack Mount Kit
  2. IT-E301/30A: 30A Red & Black Testing Wires 200cm x 2
  3. IT-E301/120A: 120A Red & Black Testing Wires 200cm x 2

Related Catalog

IT8700 Series Catalog

Our Company

Miko, established in 1980, is a leading instrumentation distributor in Hong Kong and China.

Over the years, we have been fully engaged in the sales and marketing of electronic T&M instruments in the territory. Our market sector coverage includes telecommunication, power, data communication, audio, broadcasting and education.

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