Touch Instrument Tools

GPS land Measuring Instrument TNF-198


Main Features:


1.Measure area and length of any shape (containing mountainous land, slope and flat field).

2.Can display measuring value, figure track and automatically calculate price after measurement.

3.Vehicle-carrier measurement, distance can be adjusted according to needs.

4.Test data , Graphics trajectory can be exported for printing.

5.Applicable google map shows real graphics trajectory

6.2.8 inch large color screen that makes more clear and visually.

7.Efficient startup: 30sec for cold boot,  3sec for warm boot.

8.1 pcs of 3.7V/ 2000mAh battery included

Hardware performance:

Satellite system:The Dipper+GPS double- star

Positioning accuracy:0.5m




1. To measure range of area: 0-999999.99 mu. Display unit: mu/m2/hectare/km2.

2. Measuring error of area: 1-3%(area below 3 mu);1%(area above 3 mu).

3. Measuring range of length: 0-999999.99m. display unit: m/km.

4. Measuring error of length: 0.5-3m.

5. Operating power supply: 3.7V/2000mAh chargeable lithium battery.

6. Operating time: 8-10 hours: charging time: 4-5 hours.

7. Product dimension: 174X76X28/MM

8. Net weight of product: 149g(Not including battery)





1. The instrument is applicable to measurement of outdoor open space,please do not conduct measurement near high object as possible(for example, a high building cluster).

2. Measure after the instruments receives more than 6 satellite signals.

3. It is not advised to measure the area below 0.3mu.

4. In measurement, do not make intersection and overlapping.

5. When measuring small area, figure and block may be inconsistent after algorithm preset by program is optimized for number of points collected is small, which is normal.

6. It is better to measure after coordinate shown on screen is stable.

Add to Cart:

  • Model: TNF-198
  • Shipping Weight: 0.2lbs

This product was added to our catalog on Saturday 03 March, 2018.

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