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BASIC OPERATION The Model 350 has been pre-set at the factory for the required output and is referenced to absolute zero (full vacuum). Once factory set, the product should perform as indicated by the performance certificate and product labeling. In all cases the zero and span cannot be externally adjusted, hence any deviation from the factory settings would indicate damage to the sensor, electronics (model dependent), or both.
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Internal damage may occur if the transmitter receives a serious shock due to being dropped or struck by a foreign object. Never stand the Model 350 Transmitter up or place it on a rough surface without a protective cover on the sensing area (cap, boot, clean rubber mat, soft cloth, or foam).
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If a product is perceived to be exhibiting problems, it can be returned to Viatran for analysis and/or repair. It is suggested that only Viatran personnel attempt repair of the product. Any damage resulting from customer disassembly would result in a loss of coverage under the warranty policy.
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