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UTL8500X+

New

UTL8500X+ series DC electronic load is a new generation of intelligent large-screen and cost-effective electronic load. Up to 500KHz synchronous sampling, high-performance DSP processing. The fast, efficient and intuitive LIST programmable automatic test mode meets most R&D and testing needs.

500V

VOLTAGE

240A

CURRENT

200W - 3000W

TOTAL POWER

0.01mV/0.01mA

RESOLUTION

50kHz

MAX. DYNAMIC FREQUENCY

0.0006A/μs~24A/μs

CURRENT SLEW RATE

½ 2U, 2U, 4U

SIZE

RS232

CONNECTIVITY

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KEY FEATURES

Model
UTL8511A+

FEATURES

15 test modes

15 test modes to adapt to more application scenarios

Ripple measurement & waveform display

Ripple measurement provides more thoughtful services for power supply testing
Waveform display for more intuitive observation of the test process

Auto list test

Auto list test, editable multi-mode test list, automated test process.

Battery mode

Battery testing not only enables battery measurement, but also records battery discharge and charging curves for you.

Load effect test

Load effect test, automatically measure and give test results according to the set value.

Protection test

Protection test, OCP, OVP measure the protection function and response time of the product under test

MODEL

Model Bandwidth Analog Channels Real-time Sample Rate Max. Memory Depth Waveform Capture Rate Digital Channels

UTL8511A+

 150V 30A 200W 0.01mV/0.01mA 50kHz 0.0006A/μS-3A/μS

UTL8511B+

 500V 15A 200W 0.01mV/0.01mA 50kHz 0.0006A/μS-3A/μS

UTL8512A+

 150V 30A 400W 0.01mV/0.01mA 50kHz 0.0006A/μS-3A/μS

UTL8512B+

 500V 30A 400W 0.01mV/0.01mA 50kHz 0.0006A/μS-3A/μS

UTL8513A+

 150V 120A 600W 0.1mV/0.1mA 50kHz 0.0006A/μs~12A/μs

UTL8513B+

 500V 60A 600W 0.1mV/0.1mA 50kHz 0.0006A/μs~6A/μs

UTL8514C+

 150V 240A 1500W 0.1mV/1mA 50kHz 2.4A/ms-4.8A/μs

UTL8514B+

 500V 120A 1500W 0.1mV/0.2mA 50kHz 1.2A/ms-2.4A/μs

UTL8516C+

 150V 240A 3000W 0.1mV/1mA 50kHz 4.8A/ms-24A/μs

UTL8516B+

 500V 240A 3000W 0.1mV/1mA 50kHz 4.8A/ms-24A/μs

Technical Specification

Model UTL8511A+ UTL8511B+ UTL8512A+ UTL8512B+ UTL8513A+ UTL8513B+ UTL8514C+ UTL8514B+ UTL8516C+ UTL8516B+
Key Specifications
Channels Single channel
Input Power 200 W 200 W 400 W 400 W 600 W 600 W 1500 W 1500 W 3000 W 3000 W
Input Voltage 0–15 V / 0–150 V 0–50 V / 0–500 V 0–15 V / 0–150 V 0–50 V / 0–500 V 0–15 V / 0–150 V 0–50 V / 0–500 V 0–150 V 0–500 V 0–150 V 0–500 V
Input Current 0–3 A / 0–30 A 0–1.5 A / 0–15 A 0–3 A / 0–30 A 0–3 A / 0–30 A 0–12 A / 0–120 A 0–6 A / 0–60 A 0–24 A / 0–240 A 0–12 A / 0–120 A 0–24 A / 0–240 A 0–24 A / 0–240 A
Resolution 0.01 mV, 0.01 mA 0.01 mV, 0.01 mA 0.01 mV, 0.01 mA 0.01 mV, 0.01 mA 0.1 mV, 0.1 mA 0.1 mV, 0.1 mA 0.1 mV, 1 mA 0.1 mV, 0.2 mA 0.1 mV, 1 mA 0.1 mV, 1 mA
Rack Size 2U 2U 2U 2U 2U 2U 2U 2U 4U 4U
Technical Details
Min Operating Voltage 1.4±0.1 V @ 30 A 2.8±0.2 V @ 15 A 1.4±0.1 V @ 30 A 2.8±0.2 V @ 30 A 1.4±0.1 V @ 120 A 2.8±0.2 V @ 60 A 1.4 V @ 240 A 2.8 V @ 120 A 1.4 V @ 240 A 2.8 V @ 240 A
CC Mode Range 0–3 A / 0–30 A 0–3 A / 0–30 A 0–3 A / 0–30 A 0–3 A / 0–30 A 0–12 A / 0–120 A 0–6 A / 0–60 A 0–24 A / 0–240 A 0–12 A / 0–120 A 0–24 A / 0–240 A 0–24 A / 0–240 A
CC Mode Accuracy ±(0.03%+0.05% FS) ±(0.03%+0.05% FS) ±(0.03%+0.05% FS) ±(0.03%+0.05% FS) ±(0.03%+0.05% FS) ±(0.03%+0.05% FS) ±(0.03%+0.05% FS) ±(0.03%+0.05% FS) ±(0.05%+0.05% FS) ±(0.05%+0.05% FS)
CV Mode Range 0.1–150 V 0–500 V 0.1–150 V 0–500 V 0.1–150 V 0–500 V 0–150 V 0–500 V 0–150 V 0–500 V
CV Mode Accuracy ±(0.03%+0.05% FS) ±(0.03%+0.05% FS) ±(0.03%+0.05% FS) ±(0.03%+0.05% FS) ±(0.03%+0.05% FS) ±(0.03%+0.05% FS) ±(0.03%+0.03% FS) ±(0.03%+0.03% FS) ±(0.03%+0.03% FS) ±(0.03%+0.03% FS)
CR Mode Range 0.05 Ω–10 kΩ 0.05 Ω–10 kΩ 0.05 Ω–10 kΩ 0.05 Ω–10 kΩ 0.05 Ω–10 kΩ 0.05 Ω–10 kΩ 0.05 Ω–50 kΩ 0.05 Ω–50 kΩ 0.05 Ω–25 kΩ 0.05 Ω–25 kΩ
CR Mode Accuracy (0.1+0.01R)% (0.1+0.01R)% (0.1+0.01R)% (0.1+0.01R)% (0.1+0.01R)% (0.1+0.01R)% (0.1+0.08R)% (0.1+0.04R)% (0.1+0.08R)% (0.1+0.08R)%
CP Mode Range 200 W 200 W 400 W 400 W 600 W 600 W 1500 W 1500 W 3000 W 3000 W
CP Mode Accuracy ±(0.1%+0.1% FS)
Dynamic Mode T1 T2 10 μs–50 s / Res: 1 μs
Dynamic Mode Accuracy 1 μs ±20 ppm
Rise Fall Slope 0.0006 A/μs–3 A/μs 0.0006 A/μs–3 A/μs 0.0006 A/μs–3 A/μs 0.0006 A/μs–3 A/μs 0.0006 A/μs–12 A/μs 0.0006 A/μs–6 A/μs 2.4 A/ms–4.8 A/μs 1.2 A/ms–2.4 A/μs 4.8 A/ms–24 A/μs 4.8 A/ms–24 A/μs
Readback Voltage Range 0–15 V / 0–150 V 0–50 V / 0–500 V 0–15 V / 0–150 V 0–50 V / 0–500 V 0–15 V / 0–150 V 0–50 V / 0–500 V 0–150 V 0–500 V 0–150 V 0–500 V
Readback Voltage Accuracy ±(0.02%+0.03% FS) ±(0.02%+0.03% FS) ±(0.02%+0.03% FS) ±(0.02%+0.03% FS) ±(0.02%+0.03% FS) ±(0.02%+0.03% FS) ±(0.02%+0.03% FS) ±(0.02%+0.03% FS) ±(0.03%+0.03% FS) ±(0.03%+0.03% FS)
Readback Current Range 0–3 A / 0–30 A 0–1.5 A / 0–15 A 0–3 A / 0–30 A 0–3 A / 0–30 A 0–12 A / 0–120 A 0–6 A / 0–60 A 0–24 A / 0–240 A 0–12 A / 0–120 A 0–24 A / 0–240 A 0–24 A / 0–240 A
Readback Current Accuracy ±(0.03%+0.05% FS) ±(0.03%+0.05% FS) ±(0.03%+0.05% FS) ±(0.03%+0.05% FS) ±(0.03%+0.05% FS) ±(0.03%+0.05% FS) ±(0.03%+0.05% FS) ±(0.03%+0.05% FS) ±(0.05%+0.05% FS) ±(0.05%+0.05% FS)
Readback Power Range 200 W 200 W 400 W 400 W 600 W 600 W 1500 W 1500 W 3000 W 3000 W
Readback Power Accuracy ±(0.1%+0.1% FS)
Short Circuit Current CC ≥3 A / ≥30 A ≥1.5 A / ≥15 A ≥3 A / ≥30 A ≥3 A / ≥30 A ≥12 A / ≥120 A ≥6 A / ≥60 A ≥26.4 A / ≥264 A ≥13.2 A / ≥132 A ≥26.4 A / ≥264 A ≥26.4 A / ≥264 A
Input Terminal Resistance 300 kΩ 1 MΩ 300 kΩ 1 MΩ 300 kΩ 1 MΩ 150 kΩ 150 kΩ 300 kΩ 1 MΩ
Features
Ripple Display Yes
Waveform Display Yes
Test Mode CC, CV, CR, CP, Dynamic, OVP, Time, OCP, CR-LED, Battery, Auto List, Short Circuit, Load Effect, Combination, List
Remote Compensation Yes
Protection OVP, OCP, OPP, OTP
Quick Uninstall Yes
General Information
Display 4.3-inch LCD
Interface RS-232, SCPI
Power AC 110/220 V, 50/60 Hz
Product Net Weight 3.73 kg 3.73 kg 4.49 kg 4.49 kg 6.72 kg 6.72 kg 17.9 kg 17.9 kg 30.6 kg 30.6 kg
Product Dimensions (W×H×D) 215 × 88 × 372 mm 215 × 88 × 372 mm 215 × 88 × 372 mm 215 × 88 × 372 mm 215 × 88 × 475 mm 215 × 88 × 475 mm 426 × 89 × 487.9 mm 426 × 89 × 487.9 mm 426 × 178.2 × 487.9 mm 426 × 178.2 × 487.9 mm
Standard Quantity Per Carton 1 pc
Warranty 3 Years

DATA SHEET

QUICKSTART GUIDE

MANUAL

SOFTWARE

Software package

UNI-T SDK

Current Version: V2.3 | 2025/8/8

Release Notes

Software Development Kit, a collection of tools and resources that developers use to do second development with UNI-T instruments which have programmable feature.
Software package

UNIT PC Software

Current Version: V2.2.7 | 2025/11/26

Release Notes

UNI-T PC Software …………………………………………………………………………………………………………………………………………………… Version: 2.2.7 Date: 2025/11/12 -new: add UT3510+、UT3515-Sx、UT5140、UT3300+、UT5470、UT5400 Series -fix: some known bugs …………………………………………………………………………………………………………………………………………………… Version: 1.5.1 Date: 2024/10/30 -new: Fixed the problem of UTL2800+ upper computer control failure -fix: some known bugs …………………………………………………………………………………………………………………………………………………… Version: 1.5.0 Date: 2024/9/25 -new: default language changed to English after version installation -fix: some known bugs …………………………………………………………………………………………………………………………………………………… Version: 1.4.3 Date: 2024/6/25 -new: add UTR2810+ Series、UDP6723/6724，UT3510+ Series -fix: some known bugs …………………………………………………………………………………………………………………………………………………… Version: 1.4.2 Date: 2024/5/28 -new: add UTL8500X+ Series -fix: some known bugs …………………………………………………………………………………………………………………………………………………… Version: 1.1.0 Date: 2024/3/20 -new: UAP500/1000A UDP6722 UTL8500+ Series、 UTL8200+ Series UTR2830 Series UTR2810 Series UT3200+ Series UT3200 Series UT5300+ Series UT5320R-SXA Series UT5583 Please note that these updates are aimed at improving the performance and stability of the software. We recommend updating to the latest version for a better user experience. If you encounter any issues while using the software, please contact our technical support team. Thank you for your support and usage of our software!

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