{"id":12,"date":"2025-11-28T14:57:16","date_gmt":"2025-11-28T06:57:16","guid":{"rendered":"http:\/\/www.ftune.com.cn\/?p=12"},"modified":"2026-02-09T16:10:59","modified_gmt":"2026-02-09T08:10:59","slug":"t-1%e7%bb%9d%e5%af%b9%e9%87%8d%e5%8a%9b%e4%bb%aa%ef%bc%88%e7%a1%ac%e8%bd%af%e4%bb%b6%e4%bb%8b%e7%bb%8d%ef%bc%89-t1-gravimeter-hardware-and-software-chinese-version","status":"publish","type":"post","link":"http:\/\/www.ftune.com.cn\/en\/t-1%e7%bb%9d%e5%af%b9%e9%87%8d%e5%8a%9b%e4%bb%aa%ef%bc%88%e7%a1%ac%e8%bd%af%e4%bb%b6%e4%bb%8b%e7%bb%8d%ef%bc%89-t1-gravimeter-hardware-and-software-chinese-version\/","title":{"rendered":"WF-T-1 Absolute Gravimeter (Hardware and Software Introduction)"},"content":{"rendered":"

Exploration system based on WF-T-1 absolute gravimeter<\/a><\/p>\n\n\n\n

\uff08\u670d\u52a1<\/strong>\uff09\uff1aExploration of Oil and Natural Gas<\/a>\u3001Ore and petroleum exploration,<\/a>Seismic Applications<\/a><\/p>\n\n\n\n

(Cases)Absolute gravimeter field gravity station fixed point measurement - Xinjiang <\/a>\u3001Absolute gravimeter field gravity station fixed point measurement-Xi'an <\/a><\/p>\n\n\n\n

WF-T-1 Absolute Gravimeter System Adjustment Manual<\/strong><\/p>\n\n\n

\n
\"\"<\/figure>\n<\/div>\n\n
\n
\"\"<\/figure>\n<\/div>\n\n\n

I. WF-<\/strong>T-1 <\/strong>High Precision Absolute Gravimeter Introduction<\/strong><\/p>\n\n\n\n

Model T-1 high precision absolute gravimeter is the first high precision absolute gravimeter independently developed and built by the Joint Laboratory of Precision Measurement of Tsinghua University.Model T-1 absolute gravimeter has carried out a large number of measurements for validation in the Joint Laboratory of Precision Measurement of Tsinghua University and Changping Campus of China Academy of Measurement Sciences, and also participated in the regional and international absolute gravity meter comparisons for a number of times and achieved better results. In addition, it has also traveled to Xi'an and Xinjiang to conduct field tests, all of which have yielded satisfactory measurement results.<\/p>\n\n\n\n

The mechanical part of the gravimeter consists of three main parts, vacuum cavity, interferometer and vibration isolation. The vacuum cavity and vibration isolation are solidly connected together, and the vibration isolation adopts super spring. The vacuum cavity interferometer is directly installed on the ground through the adjustable three-legged bracket, and the vibration isolation seat is directly installed on the ground in the adjustable bracket.<\/p>\n\n\n\n

parameters<\/th>Indicators\/requirements<\/th><\/tr><\/thead>
range (of a measuring instrument)<\/strong><\/td>\u22656000 \u00d7 10-5<\/sup> ms–<\/sup>\u00b2<\/td><\/tr>
accurate<\/strong><\/td>\u226410 \u00d7 10-8<\/sup> ms–<\/sup>\u00b2<\/td><\/tr>
accuracy<\/strong><\/td>\u226410 \u00d7 10-\u2078 ms–<\/sup>\u00b2<\/td><\/tr>
power of resolution<\/strong><\/td>\u22641 \u00d7 10-\u2078 ms–<\/sup>\u00b2<\/td><\/tr>
Repeatability standard deviation<\/strong><\/td>\u226410 \u00d7 10-8<\/sup> ms–<\/sup>\u00b2<\/td><\/tr>
Resistant to magnetic field interference<\/strong><\/td><0.125 \u00d7 10-8<\/sup>ms–<\/sup>\u00b2\/(A-m-\u00b9)<\/td><\/tr>
Resistant to the effects of air pressure<\/strong><\/td><1 \u00d7 10-\u2079 ms–<\/sup>\u00b2<\/td><\/tr>
connector<\/strong><\/td>RS232C, USB, CANBUS, TCP\/IP protocol interface, support for the \u201cfifteen\u201d communication and interface protocols<\/td><\/tr>
timing function<\/strong><\/td>GNSS timing: manual<\/td><\/tr>
sampling rate<\/strong><\/td>Not less than 0.1 Hz<\/td><\/tr>
Instrument operating temperature range<\/strong><\/td>20 \u00b0C ~ 30 \u00b0C<\/td><\/tr>
Instrument operating relative humidity range<\/strong><\/td>\u2264 90%<\/td><\/tr>
electricity supply<\/strong><\/td>Allowable range of steady state voltage<\/strong>: 220 \u00d7 (1 \u00b1 10%) V
Allowable range of steady state frequency<\/strong>: 50 \u00d7 (1 \u00b1 5%) Hz<\/td><\/tr>
safety performance<\/strong><\/td>electric shock protection<\/strong>The performance should be in line with the national standard GB 4706.1-2005, which stipulates the requirements of Class I appliances.
Electrical Strength Voltage<\/strong>: The instrument should be able to withstand 1750 V (RMS) for 1 min between the AC voltage input and the case.
leakage current<\/strong>: The secondary leakage from the instrument AC transformer to the enclosure is less than 3.5 mA peak.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Areas of application already in place<\/strong><\/p>\n\n\n\n

1 Geophysics<\/h2>\n\n\n\n