{"product_id":"extech-461900-contact-photo-tachometer","title":"Extech 461900 Contact Photo Tachometer","description":"\u003cp data-mce-fragment=\"1\"\u003eThe Extech 461900 Contact Photo Tachometer provides accurate RPM readings with a single point laser or reflective beam. This handheld device features a large 4-digit LCD, data memory storage, and a contact\/remote sensor for a complete RPM measurement solution. Get the reliable data you need with accuracy up to ±0.05%.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eMeasurement Range: Range A: 100 to 1999 RPM; Range B: 1000 to 19990\u003cbr\u003eResolution: 1 or 10 RPM depending upon range\u003cbr\u003eAdapter Output: 0.1mVDC per 1 RPM in Range A; 10 RPM in Range B\u003cbr\u003eAccuracy: +- (1.2% + 2 digits)\u003cbr\u003eDetection Distance: 2 to 6\" (50 to 150mm);\u003cbr\u003e                                 12\" (300mm) distances possible with low ambient light\u003cbr\u003ePower Supply: Four 1.5V \"AA\" batteries (UM-3 or equivalent)\u003cbr\u003eDimension: 6.7x2.8x1.5\"\u003c\/p\u003e","brand":"Extech","offers":[{"title":"Default Title","offer_id":41962163863655,"sku":"461900","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/7975\/9463\/files\/1M920_AS01-416438.jpg?v=1765161135","url":"https:\/\/www.riswll.com\/products\/extech-461900-contact-photo-tachometer","provider":"Redwood Industrial Solutions W.L.L","version":"1.0","type":"link"}