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PQWT-TC300 automatic mapping water detector for 300m deep
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PQWT-TC150 automatic mapping water detector for 150m deep
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PQWT-S500 automatic mapping water detector for 100/ 150/300/500m deep
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PQWT-S150 automatic mapping water detector for 100/ 150m deep
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PQWT-S300 automatic mapping water detector for 100/ 150/300m deep