{"product_id":"palmer-wahl-ar-3715-differential-pressure-recorder-replacement-pens","title":"Palmer Wahl AR-3715 | Differential Pressure Recorder Replacement Pens | Red, Black, Blue, Green","description":"\u003cp\u003eAR-3715 is the part number series for replacement pens on Palmer differential pressure (DP) chart recorders. The pen colour identifies what each position records: red for differential pressure, black or blue for static pressure scan and green for temperature scan, so the suffix you order must match the position on your recorder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAR-3715-01-6: red pen, top position, differential pressure\u003c\/li\u003e\n\u003cli\u003eAR-3715-58-6 (black) or AR-3715-02-6 (blue): static pressure scan pen\u003c\/li\u003e\n\u003cli\u003eAR-3715-03-6: green pen, temperature scan\u003c\/li\u003e\n\u003cli\u003eCovers 1-pen DP, 2-pen DP\/temperature, 2-pen DP\/pressure and 3-pen DP\/pressure\/temperature recorders\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eOn a standard three-pen recorder the order is red at the top, black in the middle and green at the bottom.\u003c\/p\u003e","brand":"Palmer Wahl","offers":[{"title":"Default Title","offer_id":67715247669361,"sku":"AR-3715","price":0.0,"currency_code":"AED","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0625\/3930\/0977\/files\/DP_Pen_Guide.jpg?v=1792285418","url":"https:\/\/www.generaltechshop.sa\/products\/palmer-wahl-ar-3715-differential-pressure-recorder-replacement-pens","provider":"General Tech Services LLC","version":"1.0","type":"link"}