<p style="font-family:&quot;TT Norms Pro&quot;, &quot;Open Sans&quot;, Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box" align="start">This No.1900 timegrapher is a precise mechanical watches test instrument, it is used for multi-testing by watch manufacturers and watch technician.<br/><br/><strong>Features:</strong><br/>The frequency diagram of the watch can be displayed on the LCD screen.<br/>According to different watches, the instrument will automatically adjust the optimal signal level during the test.<br/>The instrument will automatically calculate the rate deviation, amplitude, be-at error, and display them by the data in real time; selects &quot;±99.9s/d&quot; at item rate ranges for result display, which can make the accuracy of rate deviation up to 0.1s/d.<br/>For the conventional be-at, the instrument can automatically respond; for the special be-at, can manually selects.<br/>The sampling period can be selected by 2 seconds, 4 seconds, 6 seconds, 8 seconds, 12 seconds, 20 seconds, 30 seconds, 60 seconds, and the average value of corresponding period will be regarded as the precise value of the watch.<br/>Six kinds of testing positions can be adjusted, and the simulation sound can be played in the speaker or mute.<br/><br/><strong>Specifications:</strong><br/>Plug: EU-plug, US-plug, AU-plug (optional)<br/>Main material: ABS<br/>Color: grey+black<br/>Measuring possibilities: rate deviation, amplitude, be-at error of mechanical watches and diagram recording of the be-at noise.<br/>Rate deviation measurement:<br/>Measuring ranges: ±999s/d or ±99.9s/d<br/>Resolution: 1.0s/d or 0.1s/d<br/>Amplitude measurement:<br/>Measuring ranges: 100°~360°<br/>Resolution: 1°<br/>Measuring of the be-at error:<br/>Measuring ranges: 0.0~9.9 ms<br/>Resolution: 0.1 milliseconds<br/>Lift angle:<br/>Measuring ranges: 30°~70°<br/>Default value: 52°<br/>Measure positions: 1-6 positions<br/>Line length: 480 points<br/>Measuring times periods: 2/4/6/8/12/20/30/60 seconds<br/>Language: Chinese, English, Japanese<br/>Display: color LCD graphic monitor, 480*272 pixels<br/>Working environment: 10℃~40℃<br/>Relative humidity: 0~80% RH<br/>Item size: 185 * 120 * 40mm / 7.3 * 4.7 * 1.6in<br/>Item weight: 337g / 11.9ounce<br/>Package size: 230 * 210 * 195mm / 9.1 * 8.3 * 1.6in<br/>Package weight: 1379g / 3.0lb<br/><br/><strong>Packing List:</strong><br/>1 * Timegrapher<br/>1 * Timegrapher Sensor<br/>1 * Power Cable<br/>1 * User Manual</p><p style="font-family:&quot;TT Norms Pro&quot;, &quot;Open Sans&quot;, Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box" align="start"></p>