Load Deflection Temperature Tester
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| Brand | Changchun Intelligent |
|---|---|
| Origin | Jilin, China |
| Model | WKW-3 |
| Temperature Range | Ambient to 300 °C |
| Temp. Accuracy | ±0.5 °C |
| Heating Rates | 5 ±0.5 °C/6 min (A) or 12 ±1.0 °C/6 min (B) |
| Deflection Measurement Range | 0–0.5 mm (HDT), 0–1 mm (Vicat) |
| Dial Gauge Resolution | ±0.005 mm |
| Vicat Needle | 3 mm length, 1.000 ±0.015 mm² cross-sectional area |
| HDT Probe Fillet Radius | 3.0 ±0.2 mm |
| Max. HDT Load | 5 kg |
| Vicat Loads | GA = 10 ±0.2 N, GB = 50 ±1 N |
| Max. Heating Power | ≤4000 W |
| Power Supply | 220 V, 50 Hz, 30 A |
| Span Options | 64 mm or 100 mm |
| Heating Medium | Methyl silicone oil (flash point 300 °C, kinematic viscosity 200 cSt) |
| Cooling Modes | Natural convection or water cooling |
| Over-Temperature Protection | Yes |
| Compliance | GB/T 1633–2000, GB/T 1634–2004 |
| Brand | Hongtuo |
|---|---|
| Model | HT-1633-BA-4 |
| Temperature Range | Ambient to 300 °C |
| Heating Rate Options | (120 ±10) °C/h, (12 ±1) °C/6 min, (50 ±5) °C/h, (5 ±0.5) °C/6 min |
| Temperature Accuracy | ±0.5 °C |
| Temperature Resolution | 0.1 °C |
| Deflection Measurement Range | 0–10 mm |
| Deflection Resolution | ±0.001 mm |
| Specimen Stations | 4 independent test positions |
| Standard Span | 64 mm or 100 mm (per ISO 75 & ASTM D 648) |
| Load Bar + Platter Mass | 68 g |
| Heating Medium | Methyl Silicone Oil |
| Cooling Method | Integrated Forced-Air or External Water Cooling |
| Heating Power | 1.5 kW |
| Oil Bath Capacity | ~13 L |
| Dimensions (L×W×H) | 650 × 460 × 840 mm |
| Brand | North Guang Precision Instrument |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | BWR-300 |
| Temperature Range | Ambient to 300 °C |
| Heating Rate Options | 120 ±5 °C/h or 50 ±3 °C/h |
| Temperature Resolution | 0.01 °C |
| Temperature Accuracy | ±0.5 °C |
| Deformation Measurement | Capacitive Linear Encoder (Grating-Type Digital Dial Indicator) |
| Deformation Range | −0.1 mm to 5.0 mm |
| Deformation Accuracy | ±0.01 mm |
| Sample Stations | Three independent test stations per bath |
| Heating Medium | Methyl Silicone Oil (flash point ≥300 °C, kinematic viscosity 200 cSt at 25 °C, 20 L required) |
| Heating Power | 2.5 kW |
| Cooling Methods | Natural air cooling above 150 °C |
| Load Mass (Plunger + Rod) | 88 g |
| Vicat Test Loads | 10 N ±0.2 N (Class A) or 50 N ±1 N (Class B) |
| HDT Flexural Stress Options | 0.45 MPa, 1.80 MPa, or 8.00 MPa (per ISO 75 and ASTM D648) |
| Power Supply | AC 220 V ±10%, 50 Hz, 30 A |
| Brand | Zhonglu |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Model | XRW-300A3 |
| Temperature Range | 50–300 °C |
| Heating Rate Options | 120 °C/h and 50 °C/h |
| Temperature Accuracy | ±0.5 °C |
| Temperature Resolution | 0.01 °C |
| Specimen Stations | 3 |
| Deflection Measurement | Digital micrometer with 0.001 mm resolution and 0–13 mm range |
| Support Span Options | 64 mm and 100 mm (ASTM-compliant adjustable) |
| Heating Medium | Methyl silicone oil (flash point >300 °C, kinematic viscosity <200 cSt) |
| Control Method | Fuzzy PID + PWM modulation |
| Data Acquisition | 7 samples/sec, 4–8 channels per sample |
| Human-Machine Interface | 7-inch capacitive color touchscreen with bilingual (EN/CN) OS |
| Compliance Standards | GB/T 1633, GB/T 1634.1–1634.3, GB/T 8802, ISO 2507, ISO 75, ISO 306, ASTM D1525, ASTM D648 |
| Brand | Zhonglu |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Model | XRW-300A6 |
| Temperature Range | 50–300 °C |
| Heating Rates | 120 °C/h or 50 °C/h (user-selectable) |
| Temperature Accuracy | ±0.5 °C |
| Temperature Resolution | 0.01 °C |
| Deflection Measurement | Digital micrometer with 0.001 mm resolution, 0–13 mm range |
| Specimen Span | 64 mm or 100 mm (ASTM-compliant adjustable) |
| Sample Stations | 6 independent test positions |
| Heating Medium | Methyl silicone oil (flash point >300 °C, kinematic viscosity <200 cSt, supplied separately) |
| Control Algorithm | Fuzzy PID with PWM output |
| Data Acquisition Rate | 7 samples/second per channel (4–8 channels simultaneously) |
| Human-Machine Interface | 7-inch capacitive color touchscreen, bilingual (English/Chinese) OS |
| Power Supply | 220 V AC, 50/60 Hz |
| Brand | Zhonglu |
|---|---|
| Model | XRW-300B4 |
| Origin | Shanghai, China |
| Manufacturer | Zhonglu Instrument Co., Ltd. |
| Application | Heat deflection temperature (HDT) and Vicat softening temperature (VST) testing of thermoplastics, thermosets, fiber-reinforced composites, laminates, and electrical insulating materials |
| Standards Compliance | GB/T 1633, GB/T 8802, GB/T 1634, ISO 2507, ISO 75, ISO 306, ASTM D 1525, ASTM D 648 |
| Temperature Control Range | Ambient to 300 °C |
| Max. Temp. Deviation | ±0.5 °C |
| Heating Rates | 50 °C/h or 120 °C/h (adjustable between 50–120 °C/h) |
| No. of Test Stations | 4 |
| Deflection Measurement Range | 0–10 mm |
| Deflection Accuracy | ±0.005 mm |
| Resolution | 0.001 mm |
| Span Lengths | 64 mm or 100 mm |
| Thermal Expansion Coefficient of Test Frame | <0.005 /100 °C |
| Temperature Sensor Type | High-stability platinum RTD |
| Displacement Sensor | Optical-grating digital micrometer |
| Control Method | PC-based software with real-time curve display and automated reporting |
| Safety Protections | Dual hardware/software temperature limit switches (30 A Korean thermal cutoff), end-of-test auto-halt, administrator password lockout |
| Heating Power | 4000 W |
| Heat Transfer Medium | Methyl silicone oil or transformer oil |
| Cooling | Natural convection above 150 °C |
| Brand | Zhonglu |
|---|---|
| Model | XRW-300C6 |
| Origin | Shanghai, China |
| Manufacturer | Zhonglu Instrument Co., Ltd. |
| Control Interface | 7-inch touchscreen + PC software |
| Test Frames | 6 |
| Temperature Range | Ambient to 300 °C |
| Max Temp Error | ±0.5 °C |
| Heating Rates | 50 °C/h, 120 °C/h, or user-defined between 50–120 °C/h |
| Deformation Range | 0–10 mm |
| Deformation Accuracy | ±0.005 mm |
| Resolution | 0.001 mm |
| Span Lengths | 64 mm and 100 mm |
| Thermal Medium | Methyl silicone oil or transformer oil (user-supplied) |
| Cooling | Natural cooling above 150 °C |
| Safety Protections | Dual hardware/software temperature limit switches, automatic test termination, administrator password lock |
| Compliance | GB/T 1633, GB/T 8802, GB/T 1634, ISO 2507, ISO 75, ISO 306, ASTM D 1525, ASTM D 648 |