The HP-HJPA Series is a portable capacitor-discharge (CD) welding power supply developed for precise, repeatable welding of small components in lab and field environments. It delivers high-stability output that is less affected by mains voltage fluctuation, supports consistent energy per discharge, and runs on a built-in battery—ideal for outdoor and on-site welding tasks such as thermocouple welding, small probe welding, and thin-signal wire connections.
| High-stability output | Less sensitive to mains voltage fluctuation |
|---|---|
| Consistent weld energy | Each discharge maintains uniform energy, reducing weld defects and deformation |
| Portable & field-ready | Built-in battery power supports outdoor and on-site operation |
| Precision control | High-speed processor improves stability in repeated welding tasks |
| Flexible for small parts | Suitable for many small-component welding scenarios |
| Convenient operation | Control via dedicated welding switch; adjustable energy with better controllability |
Series: HP-HJPA
Product Type: Portable intelligent capacitor-discharge welding power supply
Core Technology: Capacitor energy storage + fast discharge welding
Power Source: Built-in battery supply for field use
Key Design Points:
Stable output, reduced impact from power grid (mains) fluctuations
Consistent discharge energy for repeatable weld quality
High-speed precision microprocessor control for stable repeat welding
Portable case design for easy transport and deployment
In many instrumentation and sensor applications, welding quality depends on repeatable discharge energy and stable control, especially when working with fine wires and small parts. The HP-HJPA Series uses a capacitor energy-storage approach and a dedicated control circuit to ensure each discharge reaches the preset level—helping reduce variability caused by operator handling or unstable external power. With battery operation, it’s well-suited for fieldwork where AC power is inconvenient or unavailable.
Thermocouple welding (constantan/compensating wire junctions, etc.)
Small probe / micro-needle welding for electric-field or sensing probes
Thin signal wire welding in instrumentation and test setups
High-temperature thin-film strain gauge lead welding (thin lead connections)
Lab R&D setups and on-site repair/assembly tasks requiring consistent CD spot welding
Designed for welding workflows related to sensors and instrumentation components (e.g., thermocouples, probes, strain gauge leads)
Compatible with needle-type welding clamps and welding leads specified in the configuration table
(From the provided system parameter table and description)
Type: Capacitor energy-storage (CD welding)
Charging Voltage: 0–40 V
Stored Energy Display: LED indication
Battery Level Display: 4-segment LED (25%, 50%, 75%, 100%)
Energy Adjustment: Manual adjustment
Power Supply: 12.6 V / 10 Ah lithium battery
Welding Leads: Pure copper B3 “banana” plug welding cable
Welding Clamp: Needle type
Typical Use Scenarios: Thermocouple welding, high-temperature thin-film lead welding, micro/signal wire monitoring welding
Instrument Size (W×D×H): 305 × 310 × 280 mm
Q1: What is capacitor-discharge (CD) welding?
CD welding stores energy in capacitors and releases it quickly to create a controlled weld. It’s commonly used for small components where repeatability matters.
Q2: Why is HP-HJPA suitable for field work?
It uses a built-in 12.6V lithium battery, so it can operate without external AC power—ideal for outdoor and on-site tasks.
Q3: How does it help improve weld consistency?
The unit is designed so each discharge maintains consistent energy, reducing weld variability, weld defects, and deformation.
Q4: What kinds of items can it weld?
It’s aimed at small parts such as thermocouple junctions, thin signal wires, probe tips, and similar fine-component connections.
Q5: How is energy set and monitored?
Energy is adjusted manually and indicated via LED display, with a separate 4-level battery indicator.