High-speed DC electronic loads from Chroma's 6330A series
Features:
- Increased speed of operation
- Ability to connect loads in parallel in synchronous mode - allows static and dynamic load testing with up to 7,000 watts of power
- Modular design for appropriate customization - up to 8 channels in one unit
- Individual measurement panel in each module
- Available mainframes (mainframe): 6332A - 2 slots, 6334A - 4 slots
- Twelve modules covering: power range from 30 W to 1200 W, current range from 0.5 mA to 240 A, voltage range from 0.5 mV to 500 V
- 63301A - 200 W
- 63302A - 2 x 100 W
- 63303A - 300 W
- 63305A - 300 W
- 63306A - 600 W
- 63307A - 250 W and 30 W
- 63308A - 600 W
- 63312A - 1200 WATTS
- 63323A - 350 W
- 63310A - 2 x 100 W; load with LED mode
- 63313A - 300 W; load with LED mode
- 63315A - 300 W; load with LED mode
- Flexible operating modes: CC (constant current), CR (constant resistance), CP (constant power), CV (constant voltage)

- Ability to simulate dynamic load changes with a frequency of up to 20 kHz. Programming of load levels and their durations, as well as rise and fall times of the waveform
- Low input resistance allows large currents to flow with little voltage increase
- Short-circuit test
- V sense input for measuring voltage directly at the test device
- Transient response testing of power supplies with real-time measurements
- Self-test after power-up
- Sixteen-bit precision measurement of voltage and current in two ranges
- Full protection: OCP (overcurrent), OPP (overload), OTP (temperature) and OV alarm (overvoltage alarm)
- Digital interfaces: RS-232, GPIB (optional), USB (optional).
Additionally for models 63310A, 63313A, 63315A
- Unique test mode for power supplies for LED light sources
- Ability to simulate the load of different types of diodes and diodes connected in series (software adjustable dynamic resistance Rd and conduction voltage Vf)

- Fast load response allows testing of brightness control by pulse width method (PWM)
- Programmable internal resistance to simulate LED current ripple