NF-586 - Measurement Noyafa - Free user manual and instructions

Product Type	Laser Distance Meter
Model	NF-586
Brand	Noyafa
Measurement Range	0.05 m to 40 m (0.16 ft to 131 ft)
Measurement Accuracy	±2 mm at 10 m
Laser Class	Class 2, 635 nm, <1 mW
Display	Backlit LCD
Units	Meters, feet, inches
Power Supply	2 × AAA alkaline batteries
Auto Shut-off	After 3 minutes of inactivity
Continuous Measurement	Yes
Area / Volume Calculation	Yes
Pythagorean Function	Indirect height measurement
Min / Max Measurement	Yes
Dimensions (H × W × D)	115 mm × 50 mm × 28 mm
Weight (including batteries)	Approx. 100 g
Operating Temperature	0 °C to 40 °C
Storage Temperature	-20 °C to 60 °C
Water / Dust Resistance	IP54
Included Accessories	Carrying pouch, batteries, user manual
Cleaning	Wipe with a soft, dry cloth
Safety Precautions	Do not point laser at eyes; avoid direct exposure

Frequently Asked Questions - NF-586 Noyafa

How do I change the measurement unit on the Noyafa NF-586?

Press and hold the Unit button (usually marked with 'm/ft') for 2 seconds to cycle between meters, feet, and inches.

What should I do if the device does not turn on?

Check that the batteries are inserted correctly and have sufficient charge. Replace with fresh AAA alkaline batteries if needed.

How accurate is the NF-586 laser distance meter?

The accuracy is ±2 mm at 10 m. For longer distances, accuracy may slightly degrade but remains within typical laser meter specifications.

Can I use the NF-586 outdoors in sunlight?

Yes, but bright sunlight can reduce the effective range. Use the target plate (included) for better visibility at longer distances.

How do I perform indirect height measurement (Pythagoras)?

Press the Pythagorean button to enter indirect mode. Measure two distances (e.g., hypotenuse and base) and the device calculates the height automatically.

What does the 'Err' message mean?

'Err' indicates a measurement error, such as the target being too close (below minimum range) or a weak reflection. Reposition and try again.

How do I clean the lens?

Use a soft, lint-free cloth (microfiber recommended) and gently wipe the lens. Avoid solvents or abrasive materials.

Is the NF-586 waterproof?

The device has IP54 rating, meaning it is protected against dust and splashes, but not fully waterproof.

Can I measure area and volume?

Yes. Press the Function button to select area or volume mode, then measure the required length, width, and height as prompted.

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. Close the cover securely.

USER MANUAL NF-586 Noyafa

Instruction Manual of NF-583/586 Mobile

Phone Infrared Thermal Imager

Version (V1.0)

Table of Contents

1 PRODUCT OVERVIEW....2
2 PRODUCT CHARACTERISTICS....3
3 PRODUCT SPECIFICATIONS....4
4 APPEARANCE AND EQUIPMENT CONNECTION....5
5 APP FUNCTION INTRODUCTION ......6

5.1 APP Download and Installation....6
5.2 Interface Introduction ......6
5.3 Function Introduction ......8

5.3.1 Setting....8
5.3.2 About 9
5.3.3 Interface Reset....10
5.3.4 Photo Taking....10
5.3.5 Video Recording....11
5.3.6 Album....12
5.3.7 Color palette....13
5.3.8 Regional Temperature Measurement....15
5.3.9 Temperature Tracking ....15
5.3.10 Rectangle Temperature Measurement....16
5.3.11 High Temperature Alarm....17
5.3.12 Highlighted High-temperature Regions....18

6 PRECAUTIONS FOR USE AND MAINTENANCE .... 19
7 PACKING LIST....20
8 APPENDIX 21

8.1 able of Reflectivity of Common Materials ....21

1 Product overview

NF-583/586 mobile phone infrared thermal imager is a portable infrared thermal imaging analyzer with high precision and quick response, which adopts an industrial-grade infrared detector with small pixel spacing and high resolution ratio, and is equipped with a 3.2mm lens.

The product is lightweight and portable, and can be used directly when plugged in. With the customized professional thermal image analysis APP, it can be connected to a mobile phone to carry out infrared imaging of the target object, making it possible to perform multi-mode professional thermal image analysis anytime and anywhere.

2 Product Characteristics

• It has high-quality optical lens and high-resolution detector, with excellent imaging effect;
• It is lightweight and portable, and can be used with mobile APP to perform professional thermal imaging analysis anytime and anywhere;
• It has a wide temperature measurement range: -15°C - 600°C;
• It supports high temperature alarm and customized alarm threshold;
• It supports the display of user-defined temperature range screen, and has many use scenarios for the display of high-temperature regions;
• It supports high and low temperature tracking;
• It supports adding points, lines and rectangular boxes for regional temperature measurement, with lines and rectangular boxes supporting high and low temperature tracking and high temperature alarm;
• It has an aluminum alloy shell, which is firm and durable.

3 Product Specifications

Infrared thermal imaging
Model	NF-583	NF-586
Detector resolution	160x120	256x192
FOV	35° x 27°	56° x 42°
Spectral range	8-14 μm
Frame rate	25Hz
NETD	<50mK @25°C
Lens	3.2mm
Temperature measurement range	-15°C~600°C
Temperature measurement accuracy	± 2° Cor ± 2% of reading
Temperature measurement	Highest, lowest, central point and area temperature measurement are supported
Color palette	6
General items
Language	English
Working temperature	-10°C - 75°C
Storage temperature	-45°C - 85°C
IP rating	IP54
Dimensions	34mm x 26.5mm x 15mm
Net weight	19g

4 Appearance and Equipment Connection

Hardware Appearance and Part Name

5.1 APP Download and Installation

Scan the QR code on the right for download and installation.

Note: OTG connection is required to be enabled in the mobile phone settings to run the APP normally (because its location varies from phone to phone, you can search for OTG in the settings)

5.2 Interface Introduction

Connect NF-583/586 to an Android phone and run APP, and you can see the interface as shown in Figure 5-1: Figure 5-1 0-1

Figure 5-1 0-1

1	Setting	Provide App interface and parameter setting of infrared thermal imaging camera
2	About	Some information about the App
3	Reset	Reset all kinds of information in the screen and restore it to the state at startup
4	Photo Taking	Take photos and store them in an album
5	Video Recording	Make a video recording and store it in an album
6	Album	Store photos and videos
7	Infrared thermal imaging	Display infrared thermal imaging
8	Temperature color bar	Display the maximum temperature and minimum temperature in the current screen with different color block bars
9	Color palette	Different color palette can be switched to change the color of the video
10	Regional Temperature Measurement	Points, lines and boxes can be added to measure temperature in different regions
11	Temperature Tracking	The current maximum temperature, minimum temperature and center point temperature in the screen can be tracked
12	Rectangle Temperature Measurement	The current temperature in all rectangular boxes can be highlighted. If the current screen does not have a rectangle, one will be added automatically
13	High Temperature Alarm	The high temperature alarm threshold can be set. If the temperature in the video exceeds the threshold value, a sound and screen alarm will be issued
14	Highlighted High-temperature Regions	The maximum-temperature region in the screen can be displayed

Table 1 1

5.3 Function Introduction

5.3.1 Setting

Click the [Settings] button to pop up the settings panel as shown in Figure 5-2.

Figure 5-2 0-2 See Table 2 for the description of each setting item in the panel. Table 2 2

Figure 5-2 0-2

General items
Language	English
Temperature unit	The temperature units can be set, with Celsius (°C), Fahrenheit (°F) and Kelvin (K) supported
Sound recording	Whether to record sound can be chosen when recording video.
Parameter
Emissivity	Emissivity parameter values shall be filled in according to the measured target
Humidity (%)	Parameter values shall be filled in according to the humidity of the test environment
Correction (°C)	Correction parameters shall be filled in according to the temperature measurement deviation
Reflection temperature (°C)	Parameter values shall be filled in according to the reflection temperature of the test environment
Ambient temperature (°C)	Parameter values shall be filled in according to the temperature of the test environment

Table 2 2

5.3.2 About

As shown in Figure 5-3. Figure 5-3 0-3

Figure 5-3 0-3

5.3.3 Interface Reset

The interface reset button is used to reset the APP interface and APP settings and restore the APP to its default state at startup.

Figure 5-4 0-4

5.3.4 Photo Taking

Click the [Photo Taking] button to take the current infrared screen and save it automatically. The photo button will remain red for one second and the heat map window will have an animation that is drawn into the album when the photo is successfully taken.

Figure 5-5 0-5

5.3.5 Video Recording

Click the [Video Recording] button to record a video. When the [Video Recording] button is clicked, the button will turn red accordingly, and the recording time will be displayed correspondingly in the lower left corner of the video window at the same time. Click the [Video Recording] button again to stop video recording.

Figure 5-6 0-6

5.3.6 Album

All photos and videos taken by the APP can be conveniently viewed by clicking [Gallery]. The interface of the gallery is shown in Figure 5-7, with all files arranged in chronological descending order.

①	Album	Photos and video files are displayed at the same time
②	Photo	Only photo files are displayed
③	Video	Only video files are displayed, with the video duration in the preview image
④	Trash can	Files are selected and then deleted

5.3.7 Color Palette

There are 6 display modes on the color palette, as shown in Figure 5-8. Figure 5-8 0-8

Thermal imaging view of a heat exchanger with color-coded temperature gradient (no text or symbols)

Figure 5-8 0-8

Iron red		In the high-temperature region, red has a large proportion, which is suitable for detecting the scenario where the high-temperature region occupies the main proportion
White heat		The high-temperature section adopts white, and the full screen mainly adopts black-and-white transition, which is suitable for users of black-and-white traditional mode
Black heat		The high-temperature section adopts black, and the full screen mainly adopts black-and-white transition, which is suitable for users of black-and-white traditional mode
Rainbow		Red is used for displaying the maximum temperature, yellow is used for displaying the medium temperature, and blue and black are used for displaying the low temperature, which is suitable for scenarios with distinct colors of high and low temperature
Red heat		The main colors are red and black, and from the minimum temperature to the maximum temperature, the black, white and red transition mode is adopted, which is suitable for scenarios focusing on the high temperature state
Cold blue		Blue is used to mark the colder regions, which is more suitable for observing low-temperature target objects

By adjusting the color palette bar on the right side of the screen, the temperature range can be adjusted to make the regions that need to be observed more obvious.

Figure 5-9 0-9

5.3.8 Regional Temperature Measurement

Click the [Regional Temperature Measurement] button on the right, and the following interface will pop up, allowing the temperature measurement of points, lines and rectangular boxes to be added to the video, in which the lines and rectangular boxes will display the real-time maximum temperature and minimum temperature of the region. By long pressing each new region, the trash can icon will pop up for deletion.

Figure 5-10 0-10

5.3.9 Temperature Tracking

Click the temperature tracking button on the right to enable or disable the measurement of the maximum temperature, minimum temperature and center point temperature in the real-time screen. Red is the maximum temperature, blue is the minimum temperature, and yellow is the center point temperature. Click to turn on temperature tracking, and click again to turn it off.

Figure 5-11 0-11

5.3.10 Rectangle Temperature Measurement

The current temperature in all rectangular boxes can be highlighted. If there is no rectangular box in the current screen, a rectangular box will be automatically added in the default position.

By long pressing the rectangular box, its size can be adjusted and its position can be dragged, and by clicking the delete icon next to it, the rectangular box can be deleted.

Figure 5-12 0-9

5.3.11 High Temperature Alarm

Click the switch icon of [High temperature Alarm], and a window for setting the high temperature alarm threshold value pops up on the interface, as shown in the figure below When the maximum temperature value in the screen is higher than the alarm threshold value (in the regional temperature measurement mode, the temperature in the region is taken as the benchmark, except point measurement), the system will sound an alarm, and the video screen will flash a red alarm.

Figure 5-13 0-10

5.3.12 Highlighted High-temperature Regions

In this mode, the high temperature region is displayed on the current color board, and the other regions are displayed as white heat, and the temperature range can be adjusted by the slider on the right side of the color board bar. The analysis mode of highlighted high-temperature regions facilitates most application scenarios that focus solely on temperature values of high-temperature regions.

Figure 5-14 0-11

6 Precautions for Use and Maintenance

1. It is forbidden to use alcohol, detergent and other organic cleaners to clean the lens. It is recommended to wipe the lens with soft objects dipped in water.

2. Do not let sunlight, laser and other strong light sources directly illuminate the lens, otherwise the thermal imager will suffer irreparable physical damage.

7 Packing List

Name	Quantity
NF-583/586 host	1 set
Lens cleaning cloth	1 pcs
Cloth bag	1 pcs
Instruction manual	1 pcs

8.1 Table of Reflectivity of Common Materials

Material	Emissivity	Material	Emissivity
Asphalt	0.90 to 0.98	Cloth (black)	0.98
Concrete	0.94	Skin (human body)	0.98
Cement	0.96	Leather	0.75 to 0.80
Sand	0.9	Charcoal (powder)	0.96
Soil	0.92 to 0.96	Paint	0.80 to 0.95
Water	0.92 to 0.96	Paint (matte)	0.97
Ice	0.96 to 0.98	Rubber (black)	0.94
Snow	0.83	Plastic	0.85 to 0.95
Glass	0.90 to 0.95	Wood	0.9
Pottery	0.90 to 0.94	Paper	0.70 to 0.94
Marble	0.94	Chromium oxide	0.81
Plaster	0.80 to 0.90	Copper oxide	0.78
Mortar	0.89 to 0.91	Ferric oxide	0.78 to 0.82
Brick	0.93 to 0.96	Textile	0.9