ET44 Series Desktop Bridge Product Description body { font-family: Arial, sans-serif; line-height: 1.6; } .section-title { font-weight: bold; margin-top: 20px; } ul { list-style: disc; margin-left: 20px; } ET44 Series Desktop Bridge Enhance your electronic component testing with the ET44 series desktop bridge, featuring a 3.5-inch TFT display, an intuitive user interface, and comprehensive measurement capabilities. Highlights: Measurement frequency up to 100kHz Test level range from 100 to 2000mV Measures DC resistance and electrolytic capacitors Internal bias voltage output (1mV-1500mV) Automatic identification of component measurement 3.5-inch TFT display with 5 and a half digits display USB, RS232 communication interface, with handle sorting capability Data recording function for maximum, minimum, and average values Supports SCPI communication protocol Configurable system settings: language, buzzer, and screen brightness Basic accuracy of 0.2% Manual and automatic range selection Open circuit and short circuit correction enabled Comparator with sorting and alarm functionality Various test ports available Specifications: Models: ET4401, ET4402, ET4410 Digits: Main parameter: 5 digits; Secondary parameter: 5 digits Primary Parameters: L, C, R, Z Secondary Parameters: X, D, Q, θ, ESR Measurement Range (L): 0.01μH - 9999H Measurement Range (C): 0.01pF - 9999μF Measurement Range (R): 0.0001Ω - 99.99MΩ Basic Accuracy: 0.2% Test Frequencies (Hz): 100~10kHz (10 points), 100~20kHz (12 points), 100~100kHz (16 points) Measurement Display Speed: 2 times/second (slow), 4 times/second (medium), 8 times/second (fast) Internal Bias: 0-1500mV adjustable, 1mV increments Test Levels: 100mV, 300mV, 600mV, 1000mV, 1500mV, 2000mV Correction: Open and short circuit correction Screening Function: Set limits from -50% to 50% with steps of 1%, 5%, 10%, and 20% Comparator Sorting: Five gear sorting; third gear qualified, one gear failed, one ancillary gear Communication Interfaces: Standard: USB, RS232 (or 485), Handle interface; Optional: GPIB, USB Host Additional Features: Supports DCR and electrolytic capacitor measurement mode, adjustable backlight brightness, and language options in English and Chinese Power Supply: 220V AC ± 10% or 110V AC ± 10%, 45-65Hz Working Environment: 0 ~ 40 ℃, relative humidity Storage Environment: -10 ~ 50 ℃, relative humidity Dimensions: 265mm x 105mm x 305mm (width x height x depth) Weight: 2.3 kg Package Includes: 1 x ET4401 LCR Tester 1 x Set of Accessories