User guide for Hantek HT3323/HT3325 programmable DC power supply covering setup, operation, maintenance and specifications.
About this manual
The HT3323/HT3325 is a programmable DC stabilized power supply with USB control, three independent output channels, and built‑in safety features such as over‑voltage and overload protection. It is intended for laboratory, educational and industrial use, providing precise voltage and current control.
The manual details preparation steps, front‑panel functions, programmable interface usage, routine maintenance, service support, and full technical specifications, helping users safely operate and maintain the device. This manual is written in Chinese.
What's inside
- Usage Preparation
- Front Panel Overview
- Operation Instructions
- Programmable Interface
- Maintenance and Care
- Service and Support
- Technical Parameters
Specifications
| Input voltage | 220/230 V (198‑242 V) 50/60 Hz |
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| Output channels | 3 independent channels (CH1, CH2, CH3) |
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| CH1/CH2 voltage range | 0‑32 V |
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| CH3 selectable voltages | 1.8 V / 2.5 V / 3.3 V / 5 V |
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| Maximum output power (HT3323) | 500 W (670 VA) |
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| Dimensions (HT3323) | 225 × 128 × 290 mm, 8 kg |
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| Dimensions (HT3325) | 225 × 128 × 320 mm, 9 kg |
Frequently asked questions
What is the required input voltage for the power supply?
The unit requires 220 V or 230 V (range 198‑242 V) at 50 Hz or 60 Hz.
How many output channels does the HT3323/HT3325 provide?
It provides three independent output channels: CH1, CH2, and CH3.
How can the keyboard be locked to prevent accidental operation?
Press the 【lock】 key; the keyboard will be locked until unlocked.
What type of fuse should be used when replacing a blown fuse?
Only a 250 V fuse of the specified style and rating may be used; temporary or short‑circuited fuses are not allowed.