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305
MEASUREMENT & INSPECTION
MEASURING LIGHT
SCREENS
ULTRASONIC
LIGHT
GAUGING
TEMPERATURE RADAR
T-GAGE
®
M18T Specifications
Temperature
Measurement Range
0°to300°Cstandard;customrangesavailable
Sensing Range and
Distance to Spot Size
(D:S) Ratio
Dependsonobjectsizeandsensingfieldofview,seechartbelow.
Sensor
D:S Ratio
Distance From Sensor Face Versus Spot Size
100 200 300 400 500 600 700 800 900 1000
Distance (mm)
6:1 17 33 50 67 83 100 117 133 150 167
Spot Size
ø (mm)
8:1 13 25 38 50 63 75 88 100 113 125
14:1 7 14 21 29 36 43 50 57 64 71
Wavelength
8to14µm
Supply Voltage
Discrete models: 10to30Vdc(10%max.ripple);35mAmax.(exclusiveofload)
Analog models: 12to30Vdc(10%max.ripple);35mAmax.(exclusiveofload)
Output Configuration
Discrete models: Bipolar:oneNPN(currentsinking)andonePNP(currentsourcing)ineachmodel
Analog models: Analog0-10VAlarm:PNP(currentsourcing)
Output Protection
Protectedagainstshortcircuitconditions
Output Ratings
Discrete models:
100mAmax.(eachoutput)
OFF-state leakage current: NPN:lessthan200µA;PNP:lessthan10µA
NPN saturation: lessthan200mV@10mA;lessthan1V@100mA
PNP saturation: lessthan1.2V@10mA;lessthan1.6V@100mA
Analog models:
Analog:2.5kΩmin.loadresistance
Alarm: OFF-state leakage:lessthan10µA
Saturation:lessthan1.2V@10mAandlessthan16V@100mA
Output Response Time
Discrete models: 25milliseconds Analog models: 75milliseconds(fora95%stepchange)
Delay at Power-Up
1.5seconds
Repeatability (Relative)
Discrete models: 1°C Analog models: ±1%ofmeasurment,or±1°C,
whicheverisgreater
Minimum Taught Differential
Discrete models: 3°C Analog models: 10°C
Hysteresis (discrete only)
5%oftaughtdifferential(min.1°C)
Linearity (analog only)
From 0° to 50° C:±2°CFrom 5° to 300° C:±1°Cor±1%,whicheverisgreater
Adjustments
TEACH-Modeprogramming
Indicators
Onebicolor(Green/Red)statusLED,oneYellowLED
Power ON/OFF LED
OFF PowerisOFF
ON Green SensorisinRunmode
ON Red TEACHisactive
Output LED
OFF Run Mode: OutputisOFF
TEACH mode: WaitingforOutputOFFcondition
ON Yellow Run Mode: Outputsareenergized
TEACH mode: WaitingforOutputONcondition
Flashing Yellow DynamicTEACHactive
Remote Teach Input
Impedance:3kΩ
Construction
Threaded barrel:304stainlesssteel Push button housing: ABS/PC
Lightpipes:Acrylic Push button: Santoprene
Operating Temperature
-20°to+70°C
Environmental Rating
LeakproofdesignisratedIECIP67;NEMA6
Temperature Warm-Up Time
5minutes
Hookup Diagrams
Discrete: MI12(p.534) Analog: MI21(p.537)