EN50399 : 2001 ZY6260 Horizontal Flammability Tester Wire Cable Heat Release Tester

EN50399 : 2001 ZY6260 Horizontal Flammability Tester Wire Cable Heat Release Tester

Scope of application:

It is applicable to the evaluation of flame spread, heat release and smoke characteristic test of a beam cable or optical cable installed vertically in a specific test condition.

Meet the standard:

Conformity to GB/t31248-2014, EN50399:2001, GA/t716-2007 "test methods for flame propagation and thermal release and smoking characteristics of cable and optical cable under fire conditions".

Main parameters:

The instrument is mainly composed of the combustion chamber, air supply system, standard ladder, ignition source, sensor and sensor pipe section, smoke density optical test system, gas analyzer software, data acquisition and processing system, computer control system, combustion gas control system and ventilation system and other parts.

Differential pressure transmitter: capacitance, accuracy, plus or minus 5 P a, range of 0 ~ 2 0 0 P a

Oxygen measurement: range 0-25%; Signal output: 4-20ma

Carbon dioxide measurements: range of measurement: 0-6%; Deviation: < 1

Exhaust fan: 2. 0 m3 / min

Light source: consisting of 6 V, 10W incandescent lamp, power supply transformer and variable resistor.

Optical window adder: AC220V power supply, 9W resistance wire is surrounded, to ensure the surface temperature of the light window (50 C ~ 55C) is appropriate.

Convex lens: 40mm in diameter and 50mm in focal length.

Photoelectric detector: it consists of photomultiplier tube, amplifying filter, optical brake, filter, neutral filter, convex lens, optical window, etc.

Parameters of photomultiplier tube: voltage: DC 1000V, power supply: input 12V, output 0 ~ -1200v 2mA

Photoelectric system processing: photoelectric detector is A photomultiplier, connected with A/D number of templates, and processed by multistage amplification. Can continuously measure the corresponding optical density change over time of light transmittance, five number for spectral response sensitivity, similar to the response to the naked eye and dark current is lower than 0.001 UA. The smallest sensitivity of photomultiplier can read light road 0.5 100% neutral filter and a ND - 2 amplification filter.

Light brake: for baffle, correct transmittance of 0% use.

Laser system: output power of 0.5MW~2.0MW helium neon flow.

Temperature probe: 3.0mm in diameter, with an accuracy of plus or minus 1%

Amplification filter: the transmittance of ND-2.0 is 0.95% and A light color temperature K=2854

Air supply system: in the test, the air flow in the box body is 8 0 0 0 0 0 L/M I N

Ignition source: the jet lamp adopts the air propane mixture in venturi, with a length of 3, 4, 1 m

The machine is equipped with exhaust gas purifying system to control the air flow and purify the waste gas produced by the combustion to the environment.

Chassis adopts double diaphragm structure, among with high temperature insulation cotton, effectively lower the temperature of the test process and wall < 45 °

Power supply requirements: AC220 (plus or minus 10%) V/50HZ.

Machine operation power: 1KW.