NF-2040 - Measurement Noyafa - Free user manual and instructions

Product Type	Laser Distance Meter
Brand	Noyafa
Model	NF-2040
Measurement Range	0.05 - 40 m
Accuracy	±2 mm
Laser Class	Class 2, < 1 mW, 635 nm
Units of Measurement	m, ft, in, ft+in
Functions	Distance, Area, Volume, Pythagorean (indirect measurement), Continuous measurement, Addition/Subtraction
Display	Backlit LCD, 4-line
Power Supply	2 x AAA batteries (included)
Battery Life	Up to 8,000 measurements
Auto Shut-off	After 90 seconds of inactivity
Operating Temperature	0°C to 40°C
Storage Temperature	-20°C to 60°C
Dimensions	120 x 50 x 25 mm
Weight	100 g (without batteries)
Material	ABS plastic, rubberized grip
Included Accessories	Carrying pouch, manual, batteries, lanyard
Cleaning Instructions	Clean lens with a soft, dry cloth; avoid solvents
Safety Precautions	Do not point laser at eyes; avoid reflective surfaces
Repairability	No user-serviceable parts; contact support for issues
Warranty	1 year limited warranty

Frequently Asked Questions - NF-2040 Noyafa

What type of batteries does the NF-2040 use?

The NF-2040 uses two AAA batteries. They are included in the box.

What is the maximum measuring distance?

The NF-2040 can measure distances from 0.05 to 40 meters with an accuracy of ±2 mm.

How accurate is the NF-2040?

The device has an accuracy of ±2 mm under normal conditions, up to 10 m, and ±3 mm beyond.

Can I measure area and volume?

Yes, the NF-2040 supports measuring area and volume by multiplying two or three distances.

How do I switch between units?

Press the UNIT button repeatedly to toggle between meters, feet, inches, and feet+inches.

Is the laser safe for eyes?

The NF-2040 uses a Class 2 laser (< 1 mW), which is safe for momentary exposure, but avoid looking directly into the beam.

How do I clean the lens?

Use a soft, dry cloth to gently wipe the lens. Do not use water, solvents, or abrasive materials.

What does the 'continuous measurement' mode do?

In continuous mode, the device updates the reading in real-time as you move, useful for finding the shortest or longest distance.

Why does my device turn off automatically?

The NF-2040 has an auto shut-off feature that activates after 90 seconds of inactivity to save battery.

How do I replace the batteries?

Slide off the battery cover on the back, remove old batteries, and insert two new AAA batteries with correct polarity.

USER MANUAL NF-2040 Noyafa

Measurement range	0.05~40/60m	Bluetooth 4.0	x
Measurement precision	± 2mm	Electronic level	x
Display type	FSTN LCD screen	Au-off time of the laser	no operation with 30s
Unit options	m/ft/in/ft+in	Au-off time of the device	no operation with 120s
Benchmark setting	√	Test time	0.1~3s
Signal measurement	√	Laser type	A=630~670nm, P<1mW
Continuous measurement	√	Working temperature	0°C ~40°C
Area measurement	√	Storage temperature	-10°C ~60°C
Volume measurement	√	The type of battery	NF-2240; 2x1.5V AAA NF-2260L; Lithium battery
Pythagorean measurement	x
Beep	√	Protection level	|P|5-4
Voice function	√	Dimension	80*42*78mm
Tape measurement range	5m	Weight	240g(no battery)

4.STANDARD PACKING

No	Item	Unit	QTY	Note
1	Main tester	pcs	1	NA
2	Lithium battery	pcs	1	Only for NF-2260L
3	Sponge	pcs	1	NA
4	Color box	pcs	1	NA

5.CODE ERROR DISPLAY AND SOLUTIONS

Code	Reasons	Solutions
203	Exceeding temperature	Use the device under the working temperature range.
220	Low battery	Charge or replace battery
254	Data overflow	Remeasure after reading the user manual
255	Weak signal or measuring for long time	Test strong reflection ability of target
256	Strong signal	Test weak reflection ability of target
257	Exceeding measuring range	Use the device under the max measuring distance range.
300	Hardware error	Restart,please contact the dealer when try that fail.

- Avoid to operate in such conditions (such as the environment light is too strong, or the diffuse coefficient of measuring points is too large or too small), otherwise, themeasuring accuracy will have large error. - Avoid to operate in such conditions (such as the environment light is too strong, or the diffuse coefficient of measuring points is too large or too small), otherwise, themeasuring accuracy will have large error.

* Please use the dam-board when in strong sunlight and week reflection condition.

1. DIAGRAM OF SERIES PRODUCTS

	NF-2050 NF-2330NF-2030
	NF-2240 NF-2260L
	NF-271 Series
	NF-272L Series
	NF-273L eriesS NF-274L eriesS

Your excellent helper in cable test!

Your excellent helper in cable test!
INSTRUCTION MANUAL
2-in-1 Laser distance measuring tape NF-2240/NF-2260L

Illustration of two measuring tape and a child's drawing tool on yellow background (no text or symbols)

Your excellent helper in cable test! Your excellent helper in cable test? Your excellent helper in cable test!

REV1.0

Before operating or repairing, please read

and remember the safety precautions.

Thank you for purchasing up 2 in 4 loss distance

Thank you for purchasing our 2-in-1 laser distance measuring tape series products!

⚠️ Please read all of the operational guide and safety regulations in this manual before operation. Improper operations without complying with this manual guided could cause damage to the device, influence on measurement result or bodily injury to the user.
The instrument is not allowed to disassemble or repair on any ways. it is forbidden to do any illegal modification or performance change for laser emitter. Please keep it out of reach of children and avoid using by any irrelevant personnel.
It is strictly prohibited to shoot eyes or other parts of body with the laser, it is not allowed to take the laser to shoot any objects' surface with strong reflecting.
Due to electromagnetic radiation interference to other equipment and devices, please don't use the meter in the plane or around medical equipment, don't use it in inflammable, explosive environment.
Discarded batteries of meter device shall not process just like househ garbage. please handle them in line with related law and regulations.
Any quality issues or any questions on the meter please contact local distributors or manufacturer in time, we are ready to offer solutions for you.

1. OUTLINE

2-in-1 Laser distance measuring tape NF-2240/NF-2260L can measure length, height, width, area and volume, and NF-2260L has voice broadcast function. Please read this manual carefully for more details. This series of measuring instruments have 2-in-1 functions: laser ranging measure and self-locking steel tape measure, which is applied to the measurement scenes in various occasions.

①Metal Buckle ⑤Usb Charging Port(only for NF-2260L) ②Self locking Button ⑥Screen ③Laser Emission Port ⑦Modes/Unit Switch ④Tape ⑧On/Off/Measuring

2.INSTRUCTIONS

1. Turn on /Turn off

Under off state of the device, press second to turn on the device.

Under on state of the device, long press for 3 seconds to turn off the device. (The Back light will be off if no operation within 15sec; the laser will be off if no operation with 30sec. the device will be auto-off if no operation within 120sec.

2. Single measurement

Short press 📋 to turn on the laser,re-press 📋 for single measurement of distance, then the measured results will display on the screen.

3. Continuous measurement

Short press 📄 to turn on the laser, re-press 📄 for 1 second to start continuous measurement. The Main display screen indicates the very measured result, and the Max and Min measurement results will display on the top two lines of the screen. The main line displays real-time measured result. Press 📄 to exit the mode.

4.Area measurement

Turn on the device, then short press 📋 to enter the area measurement mode, the result will show □ one of the edges will flash. Compete The following operations as below:

Short press 📄 to measure the first edge(length) Short press 📄 to measure the second edge (width) Area. will be calculated automatically by the device, and the result will show on the main display screen.

5.Volume measurement

Turn on the device, then short press to enter the area measurement mode, the result will show one of the edges will flash. Compete The Following operations as bellow: Short press to measure the first edge the L1

Short press to measure the first edge, the L1 data is length Short press to measure the second edge, the L2 data is width Short press to measure the second edge, the L3 data is height Volume will be calculated automatically

by the device, and the result will show on the main display screen.

6.Unit switching

Under on state of the device, long press for 1 second to set the unit. (0.000m → 0.00m -θ.00ft 0°θ0" 0.0in → 0.0in→0in)

7. Measurement benchmark setting

Under on state of the device, simultaneously press and into setting of switching between front benchmark and end benchmark. System usually takes end benchmark as default.

8.Settings

Under off state of the device, press 📋 and hold for 5 seconds to enter the setting mode, the screen flashes: Set 1: beep/voice switch

Set 2: Calibration settings (adjustable range-9mm\~9mm) Note: Short press to switch the current setting items; Short press to switch set1 or set2

Your excellent helper in cable test!

Your excellent helper in cable test!

Your excellent helper in cable test!

Your excellent helper in cable test!

Your excellent helper in cable test!