Noyafa NF-514 Manual

Noyafa Measuring equipment NF-514

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Building Electronic Thermometer

NF 514-

VER: V1

User Manual

建筑电⼦测温仪

36.8

Switch

Backlight

Lighting

Temperature range

Measurement Error

Environment Temperature

Shenzhen Noyafa Electronic Co., Ltd

1、Overview

The instrument is Portable Building Electronic Thermometer is a

pr of es si on a l tem pe rat u re mea s ur in g in str u me nt de v el op ed

accordin g to the con struction characteristics of my country's

construction industry and relevant technical speciﬁcations. It can

displaythemeasuredtemperatureintuitively,accuratelyandquickly,

with good reliability, wide range of use and applications. Warm

operating environment, small size and light weight, easy to carry,

suitable for construction sites and ﬁeld operations; mainly used for

construction,building materials,water conservancy, electricpower,

metallurgy, petrochemical, ports, roads and bridges, municipal and

otherbasicconstructionprojects.

2、ScopeOfApplication

The instrument is suitable for on-site construction temperature

measurement of various construction projects. It can be used with

temperature measurement probes to measure the temperature of

materialsandclinker,suchas:gas,liquid,ﬂuid,mixtureandgranular

materials; and embedded temperature measurement line. It can be

used to measure the internal temperature of winter construction

concreteandmassconcrete.

3、Thecompositionandfunctionoftheinstrument

建筑电⼦测温仪

NF 514-

36.8

Switch

Backlight

Lighting

Temperature range

Measurement Error

Environment Temperature

Shenzhen Noyafa Electronic Co., Ltd

LCD

Power Switch

Backlight Switch

Temperature Probe

Temperatureprobe

Thetemperaturemeasuringprobeismadeofaplug,awire,ahandle

and a metal tube with an outer diameter of 5mm×220mm. TheΦ

frontendofthetubeispackagedwithatemperaturesensor,whichis

suitableformeasuringthetemperatureofmaterialsandclinker.

MainTester

The instrument is suitable for on-site construction temperature

measurement of various construction projects. It can be used with

temperature measurement probes to measure the temperature of

materialsandclinker,suchas:gas,liquid,ﬂuid,mixtureandgranular

materials; and embedded temperaturemeasurement line. It canbe

used to measure the internal temperature of winter construction

concreteandmassconcrete.

Temperaturemeasurementline

Theembeddedtemperaturemeasuringlineismadeofaplug,awire

and a temperature sensor, which is suitable for measuring the

internal temperature of the concrete. Each temperature measuring

linecanmeasurethetemperatureatonepoint,andthetemperature

measuringpointcanbearrangedarbitrarilyduringtheconstruction.

In order to facilitatelayered temperaturemeasurement,the plugof

each temperature measurement cable has a label aﬃxed with a

correspondinglengthspeciﬁcation.

4、Themaintechnicalindicators

Temperaturemeasurementrange:-30°C~150°C

Temperaturemeasurementerror:≤±0.5°C

Operatingenvironmenttemperature:20°C~50°℃

Displaymode:3-digitLCDscreen

Powersupply:9Vlaminatedbattery

Weight:200g

Hostvolume:135mm×72mm×32mm

Resolution:0.1°C

5、Usemethod

Usethehostandtemperatureprobetomeasurethetemperature

ofthematerial

Inserttheplugofthetemperatureprobeintothesocketofthehost,

pressthepowerswitch,andinsertthemetalclawofthetemperature

probeintotheobjecttobemeasured,theinsertiondepthisnotless

than1/2ofitslength,andthetemperaturedataisreadonthehostin

abouttwominutes.Whenmeasuringthetemperatureofthemixture,

in order to avoid excessive impact between the temperature probe

andthehardobjectsinthemixtureandaﬀecttheservicelife,ametal

rod can be used to reserve a hole in the mixture, and then the

temperature probe can be inserted into the hole Temperature

measurement. The temperature probe should be wiped clean after

eachuse.

Measurethetemperatureofmassconcretewiththehostand

temperaturemeasuringline

After the construction temperature measurement plan is determined,

select a temperature measurement line with appropriate length

speciﬁcations according to the number and depth of the temperature

m ea s u r e m e nt p o i n t s , f o r e xa m p l e : t h e a ct u a l t e m p er a t u r e

01 03

6、Batteryreplacement

measurement point depth is 0.2m~0.3m, and the 0.5m temperature

m ea s ur e me n t l i n e c a n b e s el e ct e d; t h e a c tu a l t em p er a tu r e

measurement The point depth is 2.5m~2.8m, and the temperature

measurement line with a speciﬁcation of 3m can be selected, and so

on. When pre-embedded, steel bars and other pieces can be used as

supports, and the temperature measurement line is tied to the support

according to the distance of the longitudinal temperature measurement

point. The temperature sensor and the support should be insulated.

When pouring the concrete, implant the support with the temperature

measuring wire into the concrete, the temperature sensor is at the

temperature measuring point, and the plug is left outside of the

concrete and covered with a plastic bag to avoid moisture and keep it

clean. For ease of operation, the length of the wire left outside should

be greater than 20cm. When measuring the temperature, press the

power switch of the main unit and insert the plug of the temperature

measurement line into the socket of the main unit, and the temperature

of the corresponding temperature measurement point can be displayed

on the main unit's display screen.

When pouring concrete, reserve temperature measurement holes

according to the winter construction temperature measurement

plan,placeatemperaturemeasurementwireineachhole,andleave

theplug ofthetemperaturemeasurementwireoutsidethe holeand

coveritwitha plastic bagtoavoid moistureandkeepit clean.When

measuringthe temperature,pressthepowerswitchofthemainunit

and insert the plug of the temperature measurement line into the

socket of the main unit,and the temperature of the corresponding

temperaturemeasurementpointcanbedisplayedonthemainunit's

display screen. After each stage of temperature measurement, the

temperature measurement line will be stored for future use. The

temperature measuring line can also be buried in the concrete for

one-timeuse.

Usethehostandtemperaturemeasuringlinetomeasuretheconcrete

temperatureduringwinterconstruction

Useofnighttemperaturereadingandlightingfunction

Whenusedatnightorinadarkenvironment,pressthehostbacklight

switch, the LCD screen can emit blue background light, making the

readingclearandeye-catching.Pressthelightswitch,thelightturns

on,whichisequivalenttoaﬂashlight.

WhenLOBATappearsintheupperleftcornerofthedisplayofthehost

or cannot be turned onnormally, it is usually caused by insuﬃcient

batteryvoltage,andanewbatter yneedstobereplaced.Themethod

is asfollows: Open the battery compartment cover behind the main

unit,takeouttheoldbatteryfrom the battery compartment, buckle

the new battery,andthen restorethebatterycompartment coverto

itsoriginalposition.

7、Batteryreplacement

When the host is not connected to the temperature measuring

probeorthe temperature measuringline, "-1"isdisplayed onthe

displayasthepreparationstate.

Donotuse excessive force during operation.Hold the plug ﬁrmly

wheninserting orunpluggingthepluginto orout ofthesocketof

thehost.

Iftheplugorthesocketofthemainunitgetswetduetoaccidental

ingressof water, pleasewipe itanddry it beforeusing itto avoid

inaccuratetemperaturemeasurementresults.

The instrument should be turned oﬀ in time after use, and the

battery should be removedwhen it is not usedfor along time to

avoiddamagetotheinstrument.

Do not open theback cover ofthemain unit by yourself. Please

send it back to the manufacturer or agency when you need to

repairorcalibrateit.

8、Accessories

1copyofinstructionmanual

1copyofproductinspectioncertiﬁcate

1copyofproductwarrantycard

Instrumentsets1piece

Batteries

9、Options

0.5m、1m、1.5m、 2m、2.5m、3m、

3.5m、4m、4.5m、 5m

Optionalaccessories

Temperatureprobe

Optionalspeciﬁcationoftemperature

measuringline.

Otherspeciﬁcationsofthetemperature

measuringlinecanbecustomized.

0504 07

建筑电⼦测温仪

36.8

Switch

Backlight

Lighting

Temperature range

Measurement Error

Environment Temperature

Shenzhen Noyafa Electronic Co., Ltd

Building Electronic Thermometer

Product Specifications

Brand:	Noyafa
Category:	Measuring equipment
Model:	NF-514

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