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| 브랜드 이름: | Sinuo |
| 모델 번호: | SN772A |
| MOQ: | 1 |
| 가격: | Customized |
| 지불 조건: | 티/티 |
| 공급 능력: | 10 |
This glow wire tester is suitable for testing electrical equipment, automotive on-board electrical components, EV conductive charging connection devices (charging guns, charging sockets, charging modules, internal insulating plastic parts of on-board chargers), industrial plugs and sockets, solid insulating materials and various solid combustible polymer materials. It adopts simulation technology to assess fire risks induced by short-period thermal stress from heat sources like glowing hot components and overload resistors, conducting fire hazard tests and flame ignition tests without external flame sources for electrical & electronic products, household appliances and corresponding materials to test their glow wire ignition temperature, flammability and glow wire flammability index.
The glow wire tester heats an electric heating wire of specified material (Ni77/Cr20 alloy) and shape to the test temperature range (550℃ ~ 960℃) via high current for 1 minute.
It then vertically presses the wire against the test sample for 30 seconds under a standard force of 0.95N.
By observing whether the sample and underlying padding ignite, and recording sustained burning duration, the tester assesses:
1. Fire hazard of finished electrical and electronic devices;
2. Ignition performance, glow wire ignition temperature (GWIT), flammability and glow wire flammability index (GWFI) of solid insulating materials and other solid combustible substances.
An electromagnetic valve actuator precisely controls the penetration depth of the glow wire into the sample.
The tester automatically retracts the glow wire once the specified burning duration is completed.
Power supply: Single-phase AC220V±10%, 50/60Hz
Ambient temperature: 10℃ ~ 35℃
Relative humidity: 30% ~ 60%
Surroundings: Free of heavy dust, corrosive gas, flammable and explosive atmospheres
| Model | SN772A (Touch Screen Version) |
| Operation Mode | PLC control, 7-inch color touch screen operation |
| Glow Wire | Φ4mm ± 0.04mm, standard alloy composition: >77% Nickel / 20 ±1% Chromium |
| Glow Wire Test Force on Specimen | 0.95N ± 0.1N |
| Glow Wire Penetration Depth into Specimen | 7mm ± 0.5mm |
| Specimen Moving Speed | 10mm/s ~ 25mm/s |
| Temperature Calibration | |
| Calibration temperature | 960°C ±10°C, heated by energized glow wire |
| Thermocouple | Original imported RS φ1mm armored NiCr-NiAl K-type, max withstand temperature 1100°C |
| Calibration silver strip | purity 99.8%, area 2mm², thickness 0.06mm |
| Collection Tray | 10mm thick pine wood board covered with 12~30g/m² tissue paper, placed 200±5mm below the test sample |
| Test Chamber |
Internal volume >0.5 cubic meters; minimum clearance between specimen and inner chamber wall ≥100mm Matte black background, background illuminance ≤20Lux, equipped with exhaust fan |
| Test Duration | 30s ±1s |
| Test Procedure | Carriage drives automatic specimen movement; carriage retracts automatically after glow wire penetrates 7mm into the sample |
| Lighting | Built-in controlled chamber illumination lamp |
| Overall Dimensions & Weight | 1100*550*1200mm, 140kg |
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