this one has option 1 the ultra stable accurate timebase which is a must if youre not going to use an external reference. the stock ones are not very stableI also have one without the opt 1 for 300$ less if you already have an external rubidium source. This unit is fully calibrated and comes with a calibration certificate and sticker
ebay template // //form tags to omit in NS6+: var omitformtags=["input", "textarea", "select"] omitformtags=omitformtags.join("|") function disableselect(e){ if (omitformtags.indexOf(e.target.tagName.toLowerCase())==-1) return false } function reEnable(){ return true } if (typeof document.onselectstart!="undefined") document.onselectstart=new Function ("return false") else{ document.onmousedown=disableselect document.onmouseup=reEnable }
ebay template // //form tags to omit in NS6+: var omitformtags=["input", "textarea", "select"] omitformtags=omitformtags.join("|") function disableselect(e){ if (omitformtags.indexOf(e.target.tagName.toLowerCase())==-1) return false } function reEnable(){ return true } if (typeof document.onselectstart!="undefined") document.onselectstart=new Function ("return false") else{ document.onmousedown=disableselect document.onmouseup=reEnable }
ebay template // //form tags to omit in NS6+: var omitformtags=["input", "textarea", "select"] omitformtags=omitformtags.join("|") function disableselect(e){ if (omitformtags.indexOf(e.target.tagName.toLowerCase())==-1) return false } function reEnable(){ return true } if (typeof document.onselectstart!="undefined") document.onselectstart=new Function ("return false") else{ document.onmousedown=disableselect document.onmouseup=reEnable }
By clicking "Accept All Cookies", you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts.