Mastech MS6501 User manual

YourpurchaseofthisDigitalThermometermarksastep forwardfor
youintothefieldofprecision measurements.Although this
Thermometerisacomplexand delicateinstrument, itsruggednesswill
allowmanyyears.Ofuseifproperoperating techniquesare
developed. Pleaseread thefollowing instructionscarefullyand always
keep thismanualwithineasy reach.

CONTENTS
1. FEATURES 1
2. FRONTPANELDESCRIPTION .2
3. SPECIFICATIONS 3
4. MEASURINGPROCEDURE ..8
5. MAINTENANCE 11
6. OPTIONALPROBE (KTYPE) ..12

1. FEATURES
*CanmatchanystandardtypeK sensor.
*FittedwithstandardK probesocket.
*LCD displayallowsclearread outeven at bright places.
*LCD displayprovideslowpowerconsumption.
*LSI-circuit useprovideshigh reliabilityand durability.
*High accuracyandwidemeasurement range.
*Compact, lightweight, and excellentoperation.
*Circuitused high qualitymultiturnsVRforkeepinghigh accuracy
and reliability.
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2. FRONTPANELDESCRIPTION
Thermocoupleinput socket
②LCD display
③Function switch
④HOLDkey
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3. SPECIFICATIONS
3-1GeneralSpecification
Environment Conditions:
Operating Temperature:0℃to40℃≤80% RH, non-condensing
StorageTemperature: -10℃to60℃≤70% RH, batteryremoved
Operating principle: dualslop integration
SampleRate: 2times/secfordigitaldata
Display: 31/2digitsLCDDisplaywithmax. Reading1999,
Automaticindication offunctions.
Polarityindication: "−"displayedautomatically.
Open-circuit Sensorindicator:
LCDwill display"1"whensensorisopen-circuit.
PowerSupply: DC 9V battery(NEDA16046F22006P).
LowBatteryIndicator:
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The" "isdisplayed when thebatteryisundertheproperoperation
range
Impedance: 10MΩ
Dimension: 125.5(L)×72(W)×27(H)mm
Weight: 145g approx.(batteryincluded)
TP-01 ThermocoupleProbe:
Thesensorsupplied withtheinstrumentisan ultra-fastresponse
naked-bead thermocoupleTP-01 suitableformanyapplicationsbut
withamaximumoperatingtemperatureof250℃/482℉(300℃/572℉
short-term).
Accessories:TP-01 ThermocoupleProbewithplug,Instruction
manual, carrying case
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3-2TechnicalSpecification
(Note:Theseriesofthermometerhastwomodels,andtheyare
differentiatedbyAandB. Theiraccuracy,resolutionsand measuring
rangesaredifferent. You canfind themeasuring rangefromthe
meter spanel.)
Measurement Range:-50.0℃to150.0℃; -58℉to302℉(A)
-50to750; -50to1382℉℉(B)
SensorType: K typethermocouple
Resolution: 0.1℃or1℉(A)/ 1℃or1℉(B)
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Accuracy:
±(%ofreading+numberofdigits)at18OCto28OC(64OFto82OF)
withrelativehumidityto80%.
3-2-1Celsiusscale
Range accuracy
A B A B
-50.0℃to-40.0℃
-50℃to-40℃±6℃
±6℃
-39.9℃to-20.0℃
-40℃to-20℃±3℃
±5℃
-19.9℃to0℃-20℃to0℃±2℃
±3℃
0℃to99.9℃0℃to500℃±1℃
±0.75%±2℃
100.0℃to119.9℃
500℃to750℃
±3℃
±1%±3℃
120.0℃to150.0℃
±5℃
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3-2-3Fahrenheit scale
Range accuracy
A B A B
-58℉to-4℉-58℉to-4℉±8℉
±7℉
-3℉to32℉-4℉to32℉±4℉
±4℉
33℉to212℉32℉to932℉±2℉
±1%±5℉
213℉to302℉932℉to1382℉
±4℉
±0.75%±4℉
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4.MEASURINGPROCEDURE
4-1TemperatureMeasurement
●Formeasurementofhigh temperatures,surfaces,semi-solids,
liquidsetc., arangeofhand-heldprobesisavailable(suchas
TP-02A…)or,itrequired,anysuitableprobeoftheKtypecanbe
used.
●Insertthesensorplugintothesocketattopedgeoftheinstrument,
taking caretoobservethecorrect polarity.
●Select the ℃/℉functiondesired.
●Usethesensing pointofthermocoupletomeasurethesurfacetobe
measure.
●Read thestablereading.
●Holdthevalue,ifnecessary,bypressing theholdkey.Asecond
short pressreturnstheinstrument tonormalmode.
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4-2Consideration
Whenthesensorisfirstpluggedintothethermometer,orifthe
sensorischanged,theplug mustbeallowed tostabilizeatthe
temperatureofthesocket, whichisinthermalcontactwiththecold
junction compensationdevice,forgreatestaccuracyistobe
achieved.Thiswill onlytakeacoupleofminutesandonlyappliesif
thesensorplug haspreviouslybeenexposed toanambient
temperaturedifferent tothatofthethermometer.
Notethatincommonwithotherthermocouplethermometersthe
accuracyspecificationappliesonlytotheinstrumentitselfand
allowancemustbemadeforlimitsoferrorpermittedinthermocouple.
TherelevantspecificationsandrespectivelimitsforKtype
thermocouplesare:
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IN43710
MeasurementTemp.
AllowableError
0℃TO400℃±3%
400 TO1100℃±0.75%
JIS C1602-1981
Measurement
Temperature Class AllowableError
>0℃<1000℃0.4 ±1.5℃or ±0.4%ofMeasuredTemp.
>0℃<1200℃0.75 ±2.5℃or ±0.75%ofMeasuredTemp.
>-200℃<0℃1.5 ±2.5℃or ±1.5%ofMeasuredTemp.
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5.MAINTENANCE
5-1Generalmaintenance
Tokeep theinstrumentclean,wipethecasewithadryclothand
detergent, donot useabrasivesorsolvents.
Anyadjustmentmaintenanceandrepairshallbebyaskilled
person about temperaturetechnology.
Tomaintainathermocoupleingood condition,shall observethe
followingitems.
-Avoidexcessbending.
-Don'toverheat thethermocouple.
-Avoidchemicalreactionsthat can damagethethermocouple.
5-2BatteryReplacement
Whenthebatteryvoltagedrop belowproperoperationrangethe
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symbolwill appearon theLCDdisplayandthebatteryneed tobe
replaced.Slidethebatterycoverawayfromtheinstrumentand
removethebattery. Replacewith9V batteryand reinstall thecover
6.OPTIONALPROBE(TYPE K)
TP-02A(optional):
MeasureRange: -50to900(-50to1650).℉℉
Dimension: 10cmtube, 3.2mmdiameter.
TP-03 (optional):
MeasureRange: -50to1200 (-50to2200).℉℉
Dimension: 10cmtube, 8mmdiameter.
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WLS224