Extech Instruments CTH10A User Manual

EXTECHINSTRUMENTS
5CTH10A‐en‐GB_V2.310/15
BatteryReplacement
When the Clock no longer displays digits and text please replace the batteries. Open the rear
batterycompartment,insertthr ee(3)‘C’typebatteriesobservingcorrectpolarityandthenclose
andsecurethecompartmentcover.PresstheResetbutton(usingthetipofapapercliporpin)
inordertoinitializethemeter.
Neverdisposeofusedbatteriesorrechargeablebatteriesinhouseholdwaste.
Asconsumers,usersarelegallyrequiredtotakeusedbatteriestoappropriatecollectionsites,
theretailstorewherethebatterieswerepurchased,orwhereverbatteriesaresold.
Disposal: Do not dispose of this instrument in household waste. The user is
 obligated to take end‐of‐life
devicestoadesignatedcollectionpointforthedisposalofelectricalandelectronicequipment.
Specifications
DisplayExtra‐largemulti‐functionLCD
CalendarClock  Real‐timecalendarclock(uptoyear2069)
Timesignaldetector RC‐WWVBradiosignalautomaticallysetsthetime(clock
timemayalsobemanuallyset)
TemperatureMeasurementrange 0~50
o
C(32~122
o
F)
StorageTemperature ‐20~60
o
C(‐4~140
o
F)
TemperatureResolution 0.1
o
Cor
o
F
TemperatureAccuracy ±1.5°C(±3°F):‐5°Cto0°C(23°Fto32°F)
±1°C(±2°F):1°Cto30°C(33°Fto86 °F) 
±3°F(±1.5°C):31°Cto50°C (87°Fto122°F)
Over‐rangetemp.indication HH.Hdisplay
Under‐rangetemp.indication LL.Ldisplay
R.H.Measurementrange 20~99%RelativeHumidity
R.HAccuracy  20%to40%
RH:±8%RH(@25°C)
41%to70%RH:±6%RH(@25°C)
71%to90%RH:±8%RH(@25°C) 
Powersupply  Three(3)‘C’typebatteries
Dimensions  29x43x3.8cm(11.4x17x1.5in.)
Weight1.25kg(2.75lbs.)

Copyright©2015FLIRSystems,Inc.
Allrightsreservedincludingtherightofreproductioninwholeorinpartinanyform
ISO‐9001Certified
www.extech.com

Extech Instruments CTH10A Specifications

Temperature Measurement

temperature measurement range	0~50°C (32~122°F)
storage temperature	‐20~60°C (‐4~140°F)
temperature resolution	0.1°C or °F
temperature accuracy ‐5°C to 0°C	±1.5°C (±3°F)
temperature accuracy 1°C to 30°C	±1°C (±2°F)
temperature accuracy 31°C to 50°C	±3°F (±1.5°C)

Humidity Measurement

r.h. measurement range	20~99% Relative Humidity
r.h. accuracy 20% to 40% RH	±8% RH (@25°C)
r.h. accuracy 41% to 70% RH	±6% RH (@25°C)
r.h. accuracy 71% to 90% RH	±8% RH (@25°C)

Power

power supply	Three (3) ‘C’ type batteries

Weight and Dimensions

dimensions	29 x 43 x 3.8 cm (11.4 x 17 x 1.5 in.)
weight	1.25 kg (2.75 lbs.)