Features:
- Power supply: External DC15-30V, USB-5V, with emergency AC transformer [AC12-24V] support. (Only version B is equipped with a rechargeable lithium battery)- One-key switching between voltage and current regulation modes with independent wiring and simultaneous output capability.- Current output supports 2, 3, 4-wire systems, fully compatible with active devices.- Short-circuit protection on outputs, non-polarized power supply connection, and DC bridge isolation protection.- Multiple output ranges: ±10V/±5V/0-10V/2-10V/0-5V/1-5V/0-3.3V/0-2.5V/0-1V/-10V-0V for voltage; 0-20mA/0-22mA/4-20mA for current.- Multiple display modes: actual value, percentage (0-100.0%), and frequency (50Hz, 1-1500Hz).- Dual adjustment modes: coarse and fine tuning with configurable step values.- Lithium battery protection: overcurrent protection during charge/discharge, automatic charging management, power indicator, and voltage display.- 360-degree encoder knob for stepless adjustment, long-lasting and unaffected by temperature/humidity.- High-brightness 4-digit display with two decimal places, output calibration capability.- High-grade aluminum alloy knob, plated buttons, aesthetic shell, comfortable grip.- 2mm banana jacks for easy installation, compact and portable design.

Specification:
- Working Voltage: DC24V (Range: DC15V-30V)- Working Current: 1W- USB Input: microUSB 5V, 0.2A (not charging) / 1A (charging)- Voltage Output: 0-10V adjustable, accuracy ±0.01V, max current 20mA, short-circuit protection- Current Output: 0-22mA adjustable, accuracy ±0.01mA, sampling resistor 10-500Ω, short-circuit protection- Display: 4-digit with two decimal places- Encoder: 20 pulses per rotation- Operating Temperature: 0°C to 50°C- Operating Humidity: 0 to 95% RH- Storage Temperature: -40°C to 85°C

Package Included:
1 x Unit1 x Set of Accessories