**Paperboard Burst Strength Testing Instrument for Lab (HD-504A)**
This Paperboard Burst Strength Testing Instrument (Model HD-504A) is designed for laboratory use, offering precise and reliable testing of the bursting strength of paperboard and other packaging materials. It is widely used in industries such as electronics, food, footwear, furniture, and more, to evaluate the strength and durability of corrugated boxes and similar products.
Key Features:
- **Computer-controlled system** for accurate and consistent results
- **Digital display** with high precision (± 0.5%)
- **Switchable units**: Psi, Kgf, Kpa for versatile application
- **Anti-vibration motor** (1/4 HP) for smooth operation
- **High-pressure compression speed**: 170 ± 10 ml/min
- **Stainless steel ring** (SUS304) for long-lasting performance
- **Strong wooden packaging** for safe transport
Technical Specifications:
| Parameter | Description |
|----------|-------------|
| Model | HD-A504 |
| Capacity | 0–100 kg/cm² (0.1 kg/cm²) |
| Units | Kpa, psi, kg/cm² |
| Accuracy | ± 0.5% |
| Pressure Range | 250–5600 kPa |
| Speed of Compression | 170 ± 10 ml/min |
| Specimen Clamping Force | >690 kPa |
| Oil Mixture | 85% Glycerin, 15% Distilled Water |
| Sensing Method | Pressure Transmitter |
| Display | LCD |
| Material of Ring | Stainless Steel SUS304 |
| Motor | Anti-vibration Motor 1/4 HP |
| Power Supply | AC 220V ±10%, 50 Hz |
| Dimensions | 430 × 530 × 520 mm |
| Weight | Approx. 64 kg |
| Standards | JIS-L1004, L1018, L1031, K6328, P8131, P8112; ASTM-D2210; TAPPI T403; ISO 2759-2001; GB/T 1539 |
The instrument is equipped with a semi-automatic operation system, making it user-friendly and efficient. It also includes features like automatic data storage, alarm buzzer, and visual alert when the specimen breaks. A printer can be optionally added for detailed test reports.
**Why Choose Haida?**
Haida has been a trusted brand in the testing equipment industry for years, providing high-quality products that meet international standards such as UL, ASTM, JIS, GB, EN, DIN, and BS. Our products are used across various sectors including packaging, textiles, plastics, and electronics.
We offer comprehensive services:
- **Pre-sale**: 24/7 online support, guidance on choosing the right model, and customized solutions.
- **During Sale**: Competitive pricing, discounts for bulk orders, flexible payment terms, and timely delivery.
- **After-sale**: 1-year warranty, free technical support, remote assistance, and maintenance plans.
We also provide English operation manuals, video tutorials, and video conferencing support. On-site service is available upon request, with customers responsible for travel and transportation costs.
At Haida, we guarantee quality, reliability, and excellent customer service. Our packaging ensures product safety during transit, using shock-absorbing air bubble film and sturdy wooden cases.
For more information or to place an order, visit our website at [www.haidatestequipment.com](http://www.haidatestequipment.com). We look forward to serving you!
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Kunshan An De Qing Electric Technology Co., Ltd. , https://www.andeqing.com