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Product Details
Product Overview
The HM Instruments HM-RD5 is a fully automatic video melting point meter for observing and measuring the melting behaviour of capillary samples. It combines controlled heating with high-definition video and supports manual operation when visual assessment is required.
With a room-temperature-to-420°C range and four sample positions, it records the melting process alongside graphs and results, helping laboratory users review both the reported values and the observed sample changes.
Key Features
- One-button automatic measurement records the melting range, initial melting and final melting.
- Four sample positions allow simultaneous testing, with results recorded separately for each sample.
- High-definition video replaces direct microscope viewing and supports review of the melting process.
- Videos, graphs and measurement data are recorded and saved together for later retrieval.
- User accounts and graded permissions support control of instrument access; audit records support review of operations.
- A capacitive touchscreen provides test settings, live graphs and result review.
- Rear interfaces support USB drives and compatible external printers for export and printing.
Applications
Use the HM-RD5 for laboratory melting point and melting range determination of suitable capillary samples. Select the heating programme and sample preparation procedure for the material and method in use. The video view allows the operator to review melting behaviour rather than relying on the numerical result alone.
Technical Specifications
| Parameter | Manufacturer-stated specification |
|---|---|
| Model | HM-RD5 |
| Measurement | Melting point and melting range |
| Temperature range | Room temperature to 420°C |
| Detection mode | Fully automatic; manual operation supported |
| Sample capacity | Up to 4 samples per batch |
| Temperature resolution | 0.01°C |
| Heating rate | 0.1–20°C/min |
| Temperature control | PID control; fully enclosed furnace |
| Heating method | Electric heating block / air heating |
| Temperature accuracy | ±0.2°C below 200°C; ±0.4°C above 200°C |
| Melting point repeatability | ±0.1°C at a heating rate of 0.1°C/min |
| Exploration mode | Supported |
| Video functions | Photography, video recording and playback |
| Magnification | 10× |
| User management | More than 500 users; four permission levels |
| Storage space | 128 GB |
| Operating system | Android |
| Display | 10-inch TFT high-definition colour touchscreen |
| Data interfaces | USB, RS232, Wi-Fi and RJ45 |
| Data export | USB drive; PDF and Excel formats |
| Capillary dimensions | 1.4 mm outer diameter; 1.0 mm inner diameter |
| Power supply | 220 V, 50 Hz |
| Power | 120 W |
The source specifies accuracy below and above 200°C without a separate value at exactly 200°C. Confirm this boundary condition if it is relevant to your method.
Related Models
The HM-RD series includes visual and automatic models. The following comparison uses the temperature ranges and operating modes stated in the product documentation.
| Model | Detection mode | Temperature range |
|---|---|---|
| HM-RD1 | Visual, semi-automatic / manual | Room temperature to 350°C |
| HM-RD2 | High-definition visual, semi-automatic / manual | Room temperature to 400°C |
| HM-RD3 | Automatic and manual | Room temperature to 360°C |
| HM-RD4 | Automatic and manual | Room temperature to 400°C |
| HM-RD5 | Automatic and manual | Room temperature to 420°C |
See the video melting point meter range for the available product pages.
Operation and Support
Prepare capillary samples and choose the temperature programme according to the applicable laboratory procedure. Review the video, graph and individual sample results after measurement. Confirm printer compatibility and supplied accessories when requesting a quotation.
For regulated workflows, confirm the installed software version, audit-trail functions, access controls and validation documentation against your laboratory requirements. Feature descriptions alone do not establish regulatory compliance.
Product Enquiries
Contact our sales representative to confirm sample suitability, configuration, data storage requirements and printer options, or to request available technical documentation.
Sales Contact: Arthur
Email: Arthur@hmdzkj.cn
Tel / WhatsApp / WeChat: +86 18353666151
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