Use Latching Relays 采用闭锁型继电器
Latching relays use a pulse of current to actuate them, so they have very low thermoelectric drift.
闭锁继电器采用了一个电流脉冲进行激励，因此其热电漂移非常小。
Other CARDS, such as the Model 7700 20-channel Differential Multiplexer Module, use latching relays, and the offset voltage is the same whether the poles are used as a single pole or as a pair.
其它开关卡，例如7700型20通道差分复用模块，采用的是闭锁型继电器，无论是成对还是单独使用一个闸刀，偏移电压都是相同的。
Professional production of small relays, power relays, magnetic latching relay, automotive relay, time relay, solid state relays, counters, relay sockets, sensors.
专业生产小型继电器，功率继电器，磁保持继电器，汽车继电器，时间继电器，固态继电器，计数器，继电器，传感器。
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