5 USA 
1 Germany 
1 Hong Kong 
High Temperature Oxygen Index Toi Measuring Instrument - China
price: contact company for price
The High-Temperature Oxygen Index (TOI) measuring instrument determines oxygen index at up to 125°C, offering better flammability assessment than traditional methods.
As gas temperature increases, the oxygen index decreases.
It follows ISO 4589 Part 3 or NES 715 standards, achieving high temps via preheated gas and furnace wall settings.
A built-in pump conserves gas between tests, with nitrogen and oxygen bottles connected only during testing.
Application
Evaluating material combustion performance in R&D.
Quality control for product acceptance.
High-temperature safety assessment in industries like aerospace, automotive, and construction.
Standards
ISO 4589-3: Plastics – Oxygen index method (high-temperature test).
GB/T 2406.2 / ISO 4589-2: Plastic oxygen index test (normal/high-temperature) .
ASTM D2863: Plastic oxygen index standard.
GB/T 5454-1997: Textile oxygen index method.
NES 714/715: UK oxygen index test standards.
Parameters
Parameter Specification
Control Mode Full-color touchscreen (CN/EN)
Oxygen Range 0–100% (±0.5% accuracy)
Temperature Range Room temp–200°C
Heating Power 1000W
Test Cylinder Dimensions Inner dia.
>75mm, Height >550mm
Gas Inlet 7mm (O₂/N₂)
Power Supply 220V, 50Hz
Dimensions 700mm (L) × 430mm (W) × 770mm (H)
Weight 55kg
Company Contact:
- Posted By: Qinsun Instruments Co., LTD
- Phone: +8618501763615
- Address: Minhang District, Shanghai , China
- Email:
- Website: https://www.qinsun-lab.com/
Published date: April 16, 2026
- Business Description: Qinsun Instrument focus on creative high quality textile testing instrument, with our powerful teamwork,constantly innovation, practical efficiency and excellent service, our mission is to supply our customers and distributors with the integrated solutions of lab testing.
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