Kernel Test Instrument，NY/T 1860 lab material property analyzer
The Kernel Test Instrument (also known as the Koenen Test Apparatus) is a specialized safety diagnostic system used to determine the sensitivity of solid and liquid substances to the effects of intense heat under high confinement. By subjecting a substance to a controlled thermal load within a steel tube fitted with various orifice plates, you can assess its potential for explosive decomposition. This instrument is essential for the identification, classification, and safety assessment of energetic materials, ensuring they are handled and transported in compliance with global hazardous goods regulations.
Applications
The Kernel Test Instrument is used to assess the sensitivity of solid and liquid substances to high thermal effects under highly confined conditions, facilitating material identification, classification, and safe transport evaluation.
Standards
United Nations Recommendations on the Transport of Dangerous Goods, Manual of Tests and Criteria 11.5.1 Test 1(b): Köhler Test
GB/T 21578-2008 Dangerous Goods—Köhler Test Method
GB/T 21848-2008 Determination of Explosive Hazard of Industrial Chemicals
GB 5085.5 Hazardous Waste Identification Criteria - Reactivity Identification
NY/T 1860.6-2010 Guidelines for Determining Physicochemical Properties of Pesticides - Part 6: Explosivity
Features
1) Embedded processor with Windows CE operating system;
2) 8-inch LCD touchscreen for real-time display of test status;
3) Integrated “Standard Mode” and “Calibration Mode” to meet user testing requirements;
4) Automatic ignition heating system with camera monitoring to ensure successful ignition and enhance operator safety;
5) 80N constant-pressure automatic sample preparation unit for precise specimen formation and improved test outcomes;
6) Heating rate controllable via flowmeter;
7) Integrated heating and timing systems for streamlined test operations;
8) Heating chamber equipped with an openable front door for easy inspection of test results and rapid cleaning;
9) Video monitoring system records the test process, enabling remote monitoring and evaluation through playback of final results;
10) Remote ignition control;
11) Fully automated testing process requiring no manual intervention, supporting parameter settings, data storage, and report viewing functions.
Parameters
| Item | Specifications |
| Operating Environment | (-5 ~ 45)°C, <95% RH |
| Thermocouple Temperature Measurement Range | (-40 ~ 1000)°C |
| Temperature Measurement Accuracy | ±1.5°C or ≤±0.004|t|, Response time: 0.5s |
| Pellet Preparation Pressure | 80N |
| Accuracy Class of Pellet Preparation Pressure Weight | F2 |
| Heating Rate | (3.3±0.3) k/s |
| Steel Tube Weight | (26.5±1.5) g |
| Steel Tube Wall Thickness | (0.5±0.05) mm |
| Orifice Plate Hole Diameter | 1.0mm, 1.5mm, 2.0mm, 2.5mm, 3.0mm, 5.0mm, 6.0mm, 8.0mm, 12.0mm, 20.0mm |
| Steel Tube Dimensions (Outer Diameter × Height) | 25mm × 75mm |
Accessories
Standard Steel Tubes (1 set): Precision-walled tubes for sample containment.
Orifice Plate Set: Comprehensive range of plates from $1.0$ mm to $20.0$ mm.
Automatic $80$ N Sampler: For standardized sample compaction.
Video Surveillance Kit: High-definition camera and monitoring interface.
Remote Ignition Controller: For safe distance operation.
F2 Grade Calibration Weights: For ensuring sampler pressure accuracy.
Test Procedures
1. Pre-Operation Preparation
Environmental Check: Ensure temperature is between -5°C and 45°C, humidity <95%, and adequate ventilation.
Equipment Self-Check: Verify heating components, ignition system, video monitoring, and safety devices are operational.
2. Operating Procedures
Mode Selection:
Standard Mode: One-button start for automatic test completion.
Calibration Mode: Manually record heating times from 135°C to 285°C to calculate heating rates.
Test Procedure:
Sample Loading: Layer solid/liquid substances in designated compartments.
Orifice Plate Replacement: Gradually adjust orifice diameters (1.0–20.0 mm) for burst testing.
Automatic Ignition: Initiated via wireless remote control; electronic ignition ensures safety.
Result Evaluation:
Observe steel pipe rupture morphology; if ultimate diameter ≥ 1.0mm, determine explosive risk.
3. Post-Operation Procedures
Data Storage: Test results automatically generate reports and store data.
Equipment Cleaning: Monitor status through front access door and remove residues.
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