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Overview Please carefully read this product Quick Start to ensure the safe and efficient use of instrument. Beautiful geometry shows its sharpness and toughness. Soft rubber and anti-skidding lines on the two sides enable a comfortable and reliable gripping. Distance, area/volume, add/subtract and Pythagorean, end-piece are useful to meet most measurement conditions.
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Button functions 1. Power on / Laser on / Measure 2. Area/Volume 3. Pythagorean 4. Addition/Go up 5. Subtraction/Go down 6. Reference point 7. Historical data 8. Clear / Power off 9. Backlight / Unit 10. Continuous measurement 11.Side measuring button...
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Display 1. Laser on 2. Reference point (top) 3. Reference point (bottom) 4. Continuous measurement 5. Recall the 6. Error message, 15 appear “ Error”, 16 appear error cord. 7, 8, 9, 10 auxiliary tools: Area measurement Volume measurement Pythagorean two points Pythagorean three points 11.
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Single Distance Measurement Press to activate the laser. Press again to trigger the distance measurement. The result is displayed immediately. Continuous Measurement (Min / Max) Press key to activate continuous measurement. User can press to stop the function and the values of maximum and minimum distances are shown in the display as well as the last measured value in the summary line.
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Volume Measurement Press twice, the symbol appears in the function field on the display. Press to take the first length measurement (e.g. Length). Next get the width, then height, the result of length, width, height and volume is displayed in order. Indirect Measurement - Pythagorean Instrument calculates indirect distance using Pythagorean Theorem.
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Pythagorean Three Points The results of length, width and area are displayed in the display in order. Refer to figure 2. Press four times to activate the function, the symbol appears in the function field on the display. Take No. 1, No. 2 and No. 3 length, the result is calculated and displayed on the summary line.
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from the first one. Note: This process can be repeated as required. Cancel/Clear When measuring, press to cancel the last action or clear measured data. Historical data Press to view historical data, the last 20 measured data points will be displayed in reverse order. Press to view the next value.
Troubleshooting All errors or failures will be shown as codes. The following table explains the meaning of codes and solutions. Code Cause Corrective Measure Calculation error Refer to user manual, repeat the procedures. Excessive current Please contact your distributor Battery low Replace new batteries.
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Specifications Specification NT-8540 NT-8560 NT-8580 Measuring range 0.2~40m 0.2~60m 0.2~80m Measuring accuracy ±1.5 mm Measuring units m/ft/in/ft+in Laser class Class 2 Laser type 635 nm, < 1mW Area/Volume/Measurement √ Addition/subtraction √ Single distance measurement √ Continuous measurement √ 4-line display with backlight Beep √...
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