the cheapest over the ear headphones
Model: AR-T019
1.Frequency Range: 20Hz - 20KHz
2.Impedance: 32 Ohm
3.Speaker:30MM
4.Sensitivity:96dB
5.Plug Type :3.5mm Stereo
6.Length of Cable: About 1.2m
7.Microphone Sensiticity: -42dB±3dB
8.Microphone Specification:6*1.5mm
9.ABS Frame
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Model |
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Item |
ARC2232aK |
AR2232aT |
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Scope of Application |
Combustible gas such as alkanes and combustible vapor like volatile organic matters such as alcohol and gasoline |
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Detection Principle |
Catalytic combustion |
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Sampling Mode |
Diffusion |
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Measurement Range |
0~100%LEL |
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Alarm Error |
± 3%LEL |
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Response Time |
≤ 30S |
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Working Voltage |
DC24± 6 V |
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Power Consumption |
1.5W(DC24V) |
1W(DC24V) |
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Operating Environment |
Temperature: -40C~+70C; Relative humidity: ≤ 93%RH; Pressure: 86~106kPa |
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Connecting Thread of Outgoing Line Hole |
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G3/4 pipe thread (internal) |
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Signal Output |
Alarm: Passive normally-on contact output of electric relay |
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Trouble: Passive normally-off contact output of electric relay (contact capacity: DC24V/ 1A) |
4-20mA standard signal |
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Ex-factory alarm set value: |
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25%LEL (default) |
Maximum load resistance: < < 250(≥ 16VDC), 500(≥ 20VDC) |
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Explosion-proof Grade |
Exd IICT6 |
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Protection Grade |
Up to IP66IP66 |
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Transmission Distance: |
≤ 1000m (RVV3× 1.0mm2 ) |
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Sensor Service Life |
Three years (average) |
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Sensor Storage Temperature |
-25? ~+55? |
Aurora Electronic(Chengdu) Co., Ltd. Was established in 2004, located in Chengdu, Southwest of China. We main specialized in developing, producing and exporting series of Security products such as gas detector, smoke detector, CO alarm; Mobile phone accessories, including Type-C, USB cable series, Lighting cable, audio&video cable series, Power bank, Solar Charger, earphones(headphones), , selfie stick and so on.
We provide high-quality and competitively-priced products, our product is competitive and good sales in Europe, North America, South Africa, Middle East and Africa.
"Aurora, Your Reliable Supplier in China", We looking forward in establishing long lasting relationships with you.
