{"product_id":"allen-bradley-1719-ij-frequency-counter-module","title":"Allen-Bradley 1719-IJ Frequency Counter Module","description":"\u003cdiv\u003e\u003cp\u003eThe Allen-Bradley 1719-IJ FLEXHA 5000 Ex I\/O 1-Channel Frequency Counter Module (MPN 1719-IJ) is a hazardous-area I\/O device designed to monitor pulse and frequency signals from field devices in FLEXHA 5000 Ex I\/O systems. It mounts on a DIN rail and provides one frequency\/pulse input channel, FLEXHA 5000 backplane communication, channel-to-system isolation, and diagnostic LEDs for quick status checks. It is used in oil and gas facilities, chemical plants, water treatment systems, and process skids for safe signal acquisition from flow meters, speed sensors, and pulse transmitters, enabling accurate frequency monitoring in intrinsically safe environments. Common replacements include 1719-IF4HB, 1719-IBN8B, and 1719-AENTR.\u003c\/p\u003e\u003c\/div\u003e","brand":"Allen-Bradley","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51659729895726,"sku":null,"price":638.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/1719-IJ.jpg?v=1776324359","url":"https:\/\/plgautomation.com\/products\/allen-bradley-1719-ij-frequency-counter-module","provider":"PLG Automation ","version":"1.0","type":"link"}