GA / T537 - 2005 Cable Electronic Testing Device , Bus Groove Electronic Device Testing
Scope of application:
It is applicable to the fire retardant, fire retardant and fire-resistant performance of busbar system.
Meet the standard:
Comply with GA/t537-2005 test method for the main line system (bus) fire retardant, fire and fire resistance, GB/T9978 standard.
Main parameters:
1. Working voltage: AC380V plus or minus 10% 50Hz; Power: 5KW
2. Measuring range of furnace pressure: 0-100pa measurement accuracy: less than or minus 3Pa
3. Air flow: 0-50m3/min measurement accuracy: less than or equal to 0.5m3/min
4. Combustion air source: propane and liquid gas
5. Cylinder capacity: 50kg * 4
6, test temperature, temperature programmed 60 min at room temperature to 925 ℃, 120 min
7, at room temperature to 1050 ℃, 180 min at room temperature to 1115 ℃, 240 min
8, room temperature 1150 ℃
9, furnace temperature: plus or minus 15 ℃
10, the internal temperature of the specimen: plus or minus 10 ℃
11 and specimen back fire temperature: plus or minus 4 ℃
12. Temperature sensor:
13. Inside furnace: 6 armored nickel-chromium nickel silicon K - value thermocouple precision grade: class II
14. Back fire: 6 armored nickel-chromium nickel silicon K - value thermocouple precision grade: level II
15. Time range: 0-360min timing accuracy: < + 2s.
16. Maximum combustion length of sample level: 2.4m
Vertical maximum combustion length: 1.6m
Dimensions of equipment: length x width x height (3 x 2 x 2.5) m;
Equipment weight: 4000Kg, site installation.
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