{"product_id":"voltage-monitor-module-a30-u1-dc-0-99-9v-delay-relay-controller-board-for-overvoltage-undervoltage-control-voltage-detection","title":"Voltage Monitor Module, A30-U1 DC 0-99.9V Delay Relay Controller Board for Overvoltage Undervoltage Control Voltage Detection...","description":"\u003cp\u003eVoltage Monitor Module, A30-U1 DC 0-99.9V Delay Relay Controller Board for Overvoltage Undervoltage Control Voltage Detection\u003cbr data-mce-fragment=\"\"\u003e1\u0026gt;Screen display Current Measured Voltage Value automatically after power ON. Press SET button enter into set mode and the first bit will keep flashing. The first parameter set is the Upper Limit Voltage Value. Press ENTER button to set first bit value. Its set range is 0~9 as your needs. Press SET button again to switch select the next bit and press ENTER button to change value. Press SET button at 3rd time to switch select the last bit and press ENTER button to change value.\u003cbr data-mce-fragment=\"\"\u003e2\u0026gt;Then Then First Parameter ‘Upper Limit Voltage Value’ Has Been Set. Press SET Button At 4th Time To Set Next Parameter The Lower Limit Voltage Value In The Same Methods. Note: its value needs less than the Upper Limit Voltage Value. The third parameter is to set the Voltage Verification Value. Its set range is -0.5V~0.5V. The 4th parameter is to set the Display Screen Automatically Turns OFF Remaining Time Value.\u003cbr data-mce-fragment=\"\"\u003e3\u0026gt;Its Set Range Is D-0 ~ D-9 Which Means After 1~9minute, The Screen Will Turn OFF. Note: d-0 means the screen will keen ON all the time. The 5th parameter is to set the Relay Triggering Status ‘ON H’ or ‘ON L’. ‘ON H’ : Relay output will turn ON if the Current Measured Voltage Value is more than the Upper Limit Voltage Value. Relay output will turn OFF if the Current Measured Voltage Value is less than the Lower Limit Voltage Value. It can be applied to battery discharging mode.\u003cbr data-mce-fragment=\"\"\u003e4\u0026gt;ON L’ : Relay output will turn ON if the Current Measured Voltage Value is less than the Lower Limit Voltage Value. Relay output will turn OFF if the Current Measured Voltage Value is more than the Upper Limit Voltage Value.It can be applied to battery charging mode. Automatically enter detection status after set parameters and screen stop flashing.\u003cbr data-mce-fragment=\"\"\u003eAfter-Sale Service: Thanks for your purchase. If you have any problem , please feel free to contact us any time. We promise you the satisfying solutions within 24 hours.\u003cbr data-mce-fragment=\"\"\u003e\u003cbr data-mce-fragment=\"\"\u003e\u003cbr data-mce-fragment=\"\"\u003e\u003cbr data-mce-fragment=\"\"\u003e3.07 x 2.09 x 1.18 inches; 3 ounces\u003cbr data-mce-fragment=\"\"\u003e\u003c\/p\u003e\r\n\u003cdiv style=\"\" class=\"\" panel max-height:=\"\"\u003e\r\n\u003cdiv class=\"\" col-xs-12 col-sm-9 col-md-9 col-lg-9\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eFREE standard shipping within the United States(3-6 Days)on all orders!\u003c\/li\u003e\r\n\u003cli\u003e100% money back guarantee for items not delivered or damaged during shipping.\u003c\/li\u003e\r\n\u003cli\u003eSafe and secure checkout with our high quality encryption \u003c\/li\u003e\r\n\u003cli\u003eShipping services: UPS, FedEx, USPS.\u003c\/li\u003e\r\n\u003cli\u003eOnly ship to the lower 48 states, no APO\/FPO addresses or PO Boxes allowed.\u003c\/li\u003e\r\n\u003cli\u003eLocal pickups and combined shipping options are not provided at this time.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003c\/div\u003e\r\n\u003cdiv class=\"col-xs-12 col-sm-3 col-md-3 col-lg-3\"\u003e\r\n\u003cdiv id=\"delivery_right\"\u003e\n\u003cbr\u003e\u003cbr\u003e\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003cp\u003e\u003cbutton class=\"accordion\"\u003eReturn\u003c\/button\u003e\u003c\/p\u003e\r\n\u003cdiv class=\"panel\"\u003e\r\n\u003cdiv class=\"col-xs-12 col-sm-9 col-md-9 col-lg-9\"\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eYou can return a product for up to 30 days from the date you purchased it.\u003c\/li\u003e\r\n\u003cli\u003eAny product you return must be in the same condition you received it and in the original packaging. 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