ZH-8739A Ventilated Aging Test Machine
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This ventilated aging test chamber is suitable for evaluating the thermal‑induced property changes of wire, leather, plastics, rubber, and fabrics. For wire samples, a dedicated air‑exchange rate adjustment feature is provided to maintain fresh air inside the chamber during testing.
Product Description
This ventilated aging test chamber is suitable for evaluating the thermal‑induced property changes of wire, leather, plastic, rubber, and fabric materials. For wire‑type specimens, it features a specially designed air‑exchange rate adjustment function to maintain fresh air inside the chamber during testing.
Technical Features
Our company’s UL‑certified ventilation aging chamber is designed and manufactured in full compliance with the relevant UL standards. It places particular emphasis on stringent requirements for temperature uniformity, stability, thermal insulation performance, air exchange rate, thermal lag time, and heat transfer efficiency. Extensive new designs have been implemented for the airflow ducts, fans, electric heating system, insulation materials, and cabinet structure, ensuring full compliance with both UL and CCIC metrology standards.
Meets the standard
1. Complies with the American Society for Testing and Materials standards “Forced-Air Laboratory Oven for Electrical Insulation” ASTM D5423-93 (R2005) (Type II oven), ASTM D5374-93 (2005), ASTM D2436, and UL 1581 Section 420.9 (UL 2556 Section 4.2.3).
2. IEC 60216-4-1 (GB/T 11026.4) Electrical Insulating Materials — Thermal Endurance — Part 4‑1: Aging Ovens — Single‑Chamber Oven;
ISO 4577, IEC 60811‑1‑2 (GB/T 2951.12), BS 903, BS 6746, JB 7444, GB/T 3512, CNS 3556, CNS 742, JIS 7212, JIS 7757, and others.
Specifications:
1. Dimensions: 1080 × 650 × 1280 mm (W × D × H)
2. Inner box dimensions: 450 × 450 × 450 mm (W × D × H)
3. Temperature range: Ambient temperature (RT) + 10°C to 300°C
4. Temperature Control: Japanese‑imported Omron temperature controller, with PID digital setpoint and SCR current‑based control.
5. Control accuracy: ±0.5℃
6. Resolution: 0.1℃
7. Distribution error: ±1%
8. Heating time: From room temperature to 300°C, approximately 40 minutes.
9. Test rig: Turntable, single layer, rotational speed 8–10 r.p.m.
10. Timing: 0–999 hr
11. Air Exchange Rate: Adjustable from 100 to 200 air changes per hour, with a watt-hour meter.
12. Phase-loss protector: Taiwan Yangming brand.
Machine Structure and Materials:
a) Inner box material: SUS 304 stainless steel,
b) Outer box material: stainless steel sheet, electrostatic powder coating.
c) Insulation material: high-density rock wool.
Heater: One set of tubular heater, 380 V, 6 kW.
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