DQL-6 Type 1937 Compass

Product Overview

The Type 97 compass instrument comprises an azimuth-measuring mechanism, a distance-estimation device, an elevation-angle-measuring mechanism, a range-measuring mechanism, and a coordinate scale, among other components. It is capable of determining azimuth, distance, elevation angle, map distance, coordinates, and even drawing simple maps. The instrument is coated with luminous markers for use during nighttime operations.

Technical Indicators

1. Azimuth measurement mechanism:
The outer ring of the azimuth division is graduated in 360°, with a minimum graduation value of 2°.

The inner circle is graduated in mils at 60–00, with a minimum graduation of 0–20 mils.

Measurement accuracy: ±0–10 mils, ±1°
2. Distance estimator:

The angle between the two tips of the front sight and the center line of the rear sight is 1 mil.

The length between the two tips is 12.34 millimeters.

The distance between the rear sight and front sight is 123.4 millimeters.

Compose a 10:1 ratio range estimator
Measurement accuracy is 5%.
3. Pitch Angle Measurement Mechanism:
Measurement range: ±90°

Measurement accuracy: ±2.5°
4. Mileage Measurement Mechanism:
Odometer: three scale divisions—1:100,000; 1:50,000; and 1:25,000—with units in kilometers.

Measurement accuracy: 1%.
5. Coordinate scale:
120 mm long ruler

Short length: 25 mm

Measurement accuracy: ±0.5 mm

6. Instrument external dimensions (length × width × height):

69×65×26.5 (mm)

7. Instrument weight:

0.149kg

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