Insment KS-2408D Horizontal & Vertical Combustion Test Chamber
| Brand | Insment |
|---|---|
| Origin | Shanghai, China |
| Model | KS-2408D |
| Flame Height Adjustment Range | 20–175 mm (Standard Setpoint: 20 ± 2 mm) |
| Ignition Timing Accuracy | ±0.01 s |
| Burn Time Setting Range | 0–99.99 s |
| Chamber Volume | ≥0.5 m³ |
| Sample Types | Plastics, Rubber, Rigid Foams (Apparent Density ≥250 kg/m³) |
| Repeatability Error | ±0.001 |
| Compliance Standards | UL 94, GB/T 2408, ISO 1210, IEC 60950, IEC 695-2-2 |
| Fuel Gas | Methane/Natural Gas/LPG (≥98% purity) |
| Safety Features | Gas Leak Alarm, Stainless Steel Enclosure, Integrated Ventilation System, Tempered Glass Observation Window |
Overview
The Insment KS-2408D Horizontal & Vertical Combustion Test Chamber is a precision-engineered apparatus designed to evaluate the flammability behavior of solid polymeric materials under controlled flame exposure in accordance with internationally recognized fire safety standards. It operates on the principle of standardized small-flame ignition—applying a defined Bunsen-type flame to conditioned specimens in either horizontal (HB classification) or vertical (V-0, V-1, V-2, 5VA, 5VB) orientations—and quantitatively measuring critical fire response parameters including afterflame time, afterglow time, and burn length. The chamber’s thermally stable stainless steel construction, calibrated gas flow control system, and high-resolution timing electronics ensure reproducible flame geometry and exposure duration—essential for regulatory conformance testing in quality assurance and product certification workflows.
Key Features
- Dual-mode operation supporting both horizontal and vertical flame exposure per UL 94, GB/T 2408, and ISO 1210 test protocols
- Precision-adjustable flame height (20–175 mm), factory-calibrated to 20 ± 2 mm at standard operating conditions
- High-accuracy digital timer with ±0.01 s resolution for independent recording of afterflame and afterglow durations
- Robust 0.5 m³ combustion chamber constructed from corrosion-resistant stainless steel, equipped with tempered glass observation window and forced-air ventilation exhaust
- Integrated methane/natural gas/LPG-compatible burner system with electrothermal ignition and real-time gas leak detection
- Compliance-ready design incorporating fail-safe interlocks, flame-out detection, and emergency shutoff circuitry
Sample Compatibility & Compliance
The KS-2408D is validated for use with rigid and semi-rigid plastics, elastomeric rubbers, and dense cellular foams (apparent density ≥250 kg/m³). Specimen conditioning follows ASTM D618 and ISO 291 requirements: 48-hour equilibration at 23 ± 2 °C and 50 ± 5 % RH, or alternative thermal aging per UL 94 Clause 5.3. The instrument meets mechanical and procedural requirements of UL 94 (2023 Edition), GB/T 2408–2008, ISO 1210:2015, IEC 60950-1:2005, and IEC 695-2-2:2014. Its measurement repeatability (±0.001) supports GLP-compliant data generation, and all timing and flame control functions are traceable to NIST-traceable calibration references.
Software & Data Management
While the KS-2408D operates as a hardware-controlled benchtop system without embedded software, it is fully compatible with external laboratory data acquisition platforms via RS-232 or USB-to-serial interface. Users may integrate timestamped event logs—including ignition trigger, flame application start/end, afterflame termination, and afterglow cessation—into LIMS or ELN environments. For audit readiness, manual test records generated during operation align with FDA 21 CFR Part 11 principles when maintained with controlled documentation practices, including operator signature, environmental monitoring logs, and calibration certificate referencing.
Applications
This combustion test chamber serves critical roles across multiple regulated sectors: In electronics manufacturing, it verifies flame resistance of enclosures, printed wiring board substrates, connectors, and cable jackets per IEC 60950 and UL 746C; in construction, it evaluates fire-retardant performance of insulation boards, ceiling tiles, and cladding composites against national building codes; in automotive engineering, it supports FMVSS 302 and ISO 3795 compliance for interior trim, seat foams, and HVAC ducting materials. Its ability to discriminate between V-0 and V-1 classifications—based on cumulative afterflame time ≤10 s and absence of dripping—makes it indispensable for safety-critical component qualification.
FAQ
What flame gases are compatible with the KS-2408D?
Methane, natural gas, or liquefied petroleum gas (LPG) with minimum purity of 98% by volume.
Does the chamber meet UL 94 5VA/5VB testing requirements?
Yes—the dual orientation capability, adjustable flame height up to 175 mm, and precise 125 mm ± 5 mm flame tip-to-specimen distance enable full compliance with 5VA/5VB vertical flaming test procedures.
Is environmental conditioning of samples required prior to testing?
Yes—specimens must be conditioned per UL 94 Section 5.3 or GB/T 2408 Clause 7.1, typically at 23 ± 2 °C and 50 ± 5 % RH for 48 hours unless alternate aging protocols apply.
How is flame height verified and maintained during routine operation?
Flame height is adjusted using the integrated needle valve and verified visually against the calibrated scale on the burner assembly; annual verification against a certified flame gauge is recommended.
Can test data from the KS-2408D be exported for regulatory submission?
Raw timing events and operator-entered observations can be recorded in structured lab notebooks or imported into compliant ELN systems; final test reports must include specimen identification, environmental logs, calibration status, and pass/fail determinations per standard clauses.





