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Extech Instruments TM20 User Manual

Extech Instruments TM20
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6 TM2x‐en‐GB_V2.15/15
TemperatureAlarms
Sethigh/lowalarm limitsasdescribedbelow. Themeterwillthen audiblyandvisuallyalertthe
userifeitherlimitisexceeded:
1. Pressthe ALARM/SETbuttononcefrom thenormaloperatingmode;theupperlimitvalue
anditssymbol(uparrow)willflash.
2. Setthetemperaturelimitbypressingthe▲button(pressandholdforfastscrolling).
3. Nowuse the MAX/MIN button toactivate/deactivate the alarm(alarm symbolwill appear
intheupperrighthandcorneroftheLCDwhenactivated).
4. VerifythesettingbypressingALARM/SET.
5. Performthesamestepsforthelowalarmlimit.
Aftersettingthealarms,theupperandlowerlimit symbols(▲▼)willbedisplayed ontheLCD
indicating that an upper and a lower alert value has been set. If the measured temperature
exceedseither limit, the alarm beeper willsoun dfor 1 minute.The alarm beepericon and the
correspondingarrowwillflash.Pressinganybuttonwillswitchoffthealarm.
When the temperature returns to the desired range the audible alarm will stop sounding. The
arrowwillremainflashinghowevertoshowthatthetemperaturewashigherorlowerthanaset
valueatleastonceinthepast.Pressthe▲buttontoswitchOFFtheflashingarrow.
Copyright©2013‐2015FLIRSystems,Inc.
Allrightsreservedincludingtherightofreproductioninwholeorinpartinanyform
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
TestEquipmentDepot.com

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Extech Instruments TM20 Specifications

TM20

Measurement IconMeasurement
measurement range-40 to 70 °C (-40 to 158 °F)
resolution0.1 °C/°F
accuracy0.5 °C: 0 to 24 °C, 1.0 °C: -20 to -1 °C and 25 to 49 °C, 2.0 °C: -40 to -21 °C and 50 to 200 °C
Protection and Safety IconProtection and Safety
protection safety ratingIP 65
Power IconPower
power supplyCR2032 3V button battery
low battery indicationBattery symbol appears on the LCD
Physical Dimensions IconPhysical Dimensions
meter dimensions86(L) x 57(H) x 30(D) mm / 3.4(L) x 2.2(H) x 1.2(D)
cable length209 m (9.6 ft.)

TM25

Measurement IconMeasurement
measurement range-40 to 200 °C (-40 to 392 °F)
resolution0.1 °C/°F
accuracy0.9 °F: 32 to 75 °F, 1.8 °F: -4 to 31 °F and 76 to 120 °F, 3.6 °F: -40 to -5 °F and 121 to 392 °F
Protection and Safety IconProtection and Safety
protection safety ratingIP 65
Power IconPower
power supplyCR2032 3V button battery
low battery indicationBattery symbol appears on the LCD
Physical Dimensions IconPhysical Dimensions
meter dimensions86(L) x 57(H) x 30(D) mm / 3.4(L) x 2.2(H) x 1.2(D)
cable length1.5 m (5 ft.)

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