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User's Manual 

Professional Humidity & Temperature Meter 

Please read this user's manual thoroughly before using 
this unit and keep it properly for your future reference. 

Summary of Contents for ET-951

Page 1: ...User s Manual Professional Humidity Temperature Meter Please read this user s manual thoroughly before using this unit and keep it properly for your future reference...

Page 2: ......

Page 3: ...1 Contents 1 Safety 2 2 Introduction 3 3 Features 3 4 Specifications 4 5 Meter Description 5 6 LCD Display Description 8 7 Operation Instruction 9 8 Notes 13 9 Accessories 13...

Page 4: ...se the protection provided by the meter may be impaired Environment conditions n RH 90 Non Condensation n Operating Temperature 30 60 Maintenance n Repairs or servicing not covered in this manual shou...

Page 5: ...t is widely used for monitoring and collecting data of environment temperature and humidity This meter is widely used for measurement of temperature and humidity of room metro library commercial cente...

Page 6: ...racy 0 20 RH 80 100 RH 4 0 20 40 RH 60 80 RH 3 0 Humidity 0 100 RH 40 60 RH 2 0 35 10 70 100 1 0 10 70 0 5 31 14 158 212 1 8 Temp 35 100 14 158 0 9 Dew Point Temp 35 100 31 212 25 40 100 RH 1 0 1 8 Di...

Page 7: ...5 5 Meter Description...

Page 8: ...6...

Page 9: ...ty sensor 2 Metal bar 3 LCD display 4 Backlight ON OFF key 5 SET key 6 Data hold key 7 MIN DOWN key 8 Power ON OFF key 9 Dew point temperature key 10 MAX UP key 11 temperature units key 12 Tripod nut...

Page 10: ...8 6 LCD Display Description Humidity unit icon Humidity record Temperature record Temperature units icon Dew point temperature units icon Auto power off icon Battery icon MAX MIN icon Data hold icon...

Page 11: ...meter off by pressing and holding button for approx 3 seconds until the LCD is switched off then loose the button 4 MAX record press button once MAX icon will appear on the LCD which indicates the cu...

Page 12: ...the LCD which indicates the dew point temperature measurement is conducting press this button again to exit this function 9 Hold press button once HOLD icon will appear on the LCD which indicates the...

Page 13: ...is the MAX icon which indicates the calibration value is above 75 RH Press or button to increase or decrease the value after finished calibration press HOLD button to exit the Humidity Calibration Mod...

Page 14: ...r button to increase or decrease the value after finished calibration press HOLD button to exit it and the calibrated value will be kept automatically LCD display will as below 11 Backlight ON OFF In...

Page 15: ...Repairs or servicing not covered in this manual should only be performed by qualified personnel Wipe the unit with a dry soft cloth Do not use abrasives or solvents on this instrument Remove the batt...

Page 16: ...1...

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