NOYAFA NF-271 User manual

N F -2 71
N F -2 72 L
INSTRUCTION MANUAL
Your excellent helper in
laser distance test! NEW!
Laser Distance MeterLaser Distance MeterLaser Distance MeterLaser Distance MeterLaser Distance MeterLaser Distance Meter
VER: V1
Your excellent helper in laser distance test

Please read the complete instructions including safety
precautions before attempting any testing.
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 or meter device shall not
process just like household 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.
Your excellent helper in laser distance test! Your excellent helper in laser distance test!
Table of Contents
Overview........................................................01
1.Display instruction.......................................02
2.Product features..........................................03
3.Operation instructions.................................04
3.1.Turn on & off........................ ..................04
3.2.Single measurement. .............................04
3.3.Continuous measurement......................04
3.4.Area measurement .................. ............. 05
3.5.Volume measurement............................05
3.6.Pythagorean measurement....................05
3.7.Secondary Pythagorean measurement...06
3.8.Level measurement...............................07
3.9.Vertical measurement............................07
3.10.Addition & subtraction measurement....08
3.11.Unit switching......................................08
3.12.Benchmark switching.......................... 08
3.13.Record query...................................... 09
3.14.Setting............................................... 09
4.Technical parameters.................................. 10
5.Packing list................................................. 11
6.Error reasons and solutions......................... 11
7.Overview--Laser distance meters.................12

Your excellent helper in laser distance test! Your excellent helper in laser distance test!
01 02
Overview
NF-271 designed to measure Distance,Area,
Volume,Pythagorea measurement,which is
mainly applied in indoor decoration and design,
building construction.In these basic functions,
NF-272L has upgraded many more functions,
such as Level measurement, Vertical
measurement, Voice broadcast, Degree
measurement and so on.
4
5
6
7
1
2
3
1 2
3 4
56
7
Add Subtract
Power & Clear Measure
Menu Benchmark & Unit
switch
Record query & setting
1.Display instruction
1
2
3
4
5
6
7
8
9
10
11
11
12
13
1 7
2 8
3
9
4
Battery condition Setting
Beep Display
Buzzer (271) Data storage
Laser function opener
5
6
Benchmark point
Area/volume/
Pythagorean
Voice broadcast
(272L) 10
Data storage
number (271)
Degree (272L)
11
12
13
Signal
Auxiliary indicator
Unit

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03 04
2.Product features
NF-271
Pythagorea
measurement
Length
measurement Area measurement Volume measurement
Length
measurement Area measurement Volume measurement
Pythagorea
measurement
Secondary
Pythagorean
measurement ①
Secondary
Pythagorean
measurement ②
Level
measurement
Vertical
measurement
NF-272L
3. Operation instructions
3.1. Turn on & off
Long press " " 2s to turn on,
Long press " " 2s to turn off.
3.2. Single measurement
Press " "turn on the laser and Press "
"again, the result will display on the
screen.
3.3. Continuous measurement
Long press " " 2s to go in, the MAX & MIN
will shows. Press " " or " " to quit.
Besides, it will stop if no operation after 3mins.
Secondary
Pythagorean
measurement ①
Secondary
Pythagorean
measurement ②

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05 06
3.6. Pythagorean measurement
Press " " to go in when the testing mode
in Volume measurement, then press " "
to get the ① & ② values, it will work out the
height "L" on the screen.
①
②
L
3.7. Secondary Pythagorean measurement "①"
Press " " to go in when the testeing mode
in Pythagorean measurement, then press "
" to get the ① & ② & ③ values, it will work
out the height "L" on the screen.
①
②
③
L
3.7. Secondary Pythagorean measurement "②"
Press " " to go in when the testeing
mode in Pythagorean measurement ①, then
press " " to get the ① & ② & ③ values,
it will work out the height "L" on the screen.
①
②
③
L
3.5. Volume measurement
Press " " to go in when the testing mode
in Area measurement, and Press " " to
get the length & width & height values, then it
will work out the volume on the screen.
3.4. Area measurement
Press " " to go in when the testing mode
in Single measurement, and Press " " to
get the length & width, then it will work out the
area on the screen.

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07 08
3.10. Addition & subtraction measurement
Under the Single, Area, Volume measurement
mode, press " " to get a result "A", then
press " " or " ", press " " again
to get a another result "B", then it will auto
matically calculate the value ("A+B "or "A-B").
+
-
3.11. Unit switching
Long press " " 2s to switch the unit,
optional from (0.000m→0.00m→0.00ft→
0'00''%→0.0in→0%in)
3.12. Benchmark switching
Press " " to go in, you can set the
benchmark to measure from the front side
①, or from the end side ②.
①②
3.8. Level measurement （ ）
Pres " " to go in when the testeing mode
in Pythagorean measurement ②, then press "
" to get the ①, it will automatically
calculate the angle degree between the
hypotenuse and the horizontal edge, vertical
Length "H" and horizontal length "L".
①
0
H
L
3.9. Vertical measurement（ ）
Pres " " to go in when the testeing mode
in Level measurement, then press " " to
go in, then press " " to get the ① & ② length,
it will work out the degree "0" and length "L".
①
②
0L

Your excellent helper in laser distance test! Your excellent helper in laser distance test!
09 10
4.Specification
Model NF-271 NF-272L
100m80m60m70m50m
Range
Acuuracy
LCD screen
Wavelength & Output
Working temperature
Storage termperature
Laser Off
Auto-off
Protecion level
Power
Voice broadcast
Degree measurement
Level measurement
Unit switching
Benchmark switching
Single measurement
Continuous
measurement
Area measurement
Volume measurement
Pythagorean
measurement
Addition & subtraction
measurement
Size
Weight
+/-1.5 mm
FSNT with backlight
620~680nm, <1mw
0~40℃
-20~60℃
30s
2minutes
IP54
AAA 850mAh Lithlium
battery
× √
× √
× √
m/ft/in/ft+in
Vertical measurment
√
√
√
√
√
√
Data storage
× √
× √
50 sets 99 sets
119*50*26mm
100g
3.14. Setting
Press" " 2s to go in, the flashing arrow
on the screen indicates that the Buzzer/Voice
broadcast switch setting has been entered.
By press " " or " " to adjust the
Off/On. Then press " " to go volice
calibration setting, by press " " or " "
adjust the parameters. Press " " to quit.
+
-
+
-
CLE AR
Buzzer/Voice broadcast
Switch
Calibration
Value
3.13. Unit switching
Press " " to go in, you can query the
datas measured before. Then press " "
or " " to quit.
CLE AR

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11 12
Overview--Laser distance meters5.Packing List
Packing List
Carry bag
USB cable
Reflector board
AAA batery
1pcs
1pcs
1pcs
1pcs
3pcs
Manual
Qualification certification
1pcs
1pcs
1
2
3
4
5
6
7
6.Error reasons and solutions
Reason
High or low
temperature
Low battery
Wrong calculate
Weak signal
Solution
Measure at the required
temperature range
Replace new battery
Measure again in
correct operation
Test strong reflection
ablility of target
Strong signal
Out of measure
range
Don't measure under
strong light
Measure within the
range
Code
203
220
254
255
256
257
harware error Restart, or contact dealer
if it happens again
300