壁挂式丙烷气体报警器探头TD500S-C3H8 三线制输出
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壁挂式碘气气体报警器探头TD500S-I2 遥控器操作
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壁挂式三氯乙烯气体报警器探头TD500S-C2HCL3 量程范围可选
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壁挂式二氟甲烷气体报警器探头TD500S-R32 24V电源供电
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壁挂式二氯二氟甲烷气体报警器探头TD500S-R12 三线制输出
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壁挂式易燃易爆气体气体报警器探头TD500S-ex 三线制输出
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