E19 វាស់វែង
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E19.4109Voltmeter EDM
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E19.9014Therometer
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E19.9015Therometer
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E19.4102Milliammeter
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E19.4103Microammeter
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E19.4105Galvanometer
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E19.4106Ammeter EDM
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E19.9016Therometer
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E19.4104Voltmeter
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E19.5502Counter
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E19.4101Ammeter
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E19.2505 ប៊្រីនធីមប៊ិច
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E19.9201 ស្ថានីយ៍អាកាសធាតុឥតខ្សែ
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ទែម៉ូម៉ែត្រ E19.5701Small
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E19.8301Aneroid Barometer
