UEi DTH51 Instruction Manual Download Page 8

Limited Warranty

The DT H 51 is warranted to be free from defects in materials and workmanship for a period of
one year from the date of purchase. If within the warra n ty period your instrument should
become inoperative from such defects, the unit will be repaired or replaced at UEi’s option.
This warra n ty covers normal use and does not cover damage which occurs in shipment or 
failure which results from alteration, tampering, accident, misuse, abuse, neglect or improper
maintenance. Batteries and consequential damage resulting from failed batteries are not 
covered by warra n ty. 

Any implied warranties, including but not limited to implied warranties of merchantability
and fitness for a particular purpose, are limited to the express warranty. UEi shall not be
liable for loss of use of the instrument or other incidental or consequential damages,
expenses, or economic loss, or for any claim or claims for such damage, expenses or 
economic loss. A purchase receipt or other proof of original purchase date will be required
before warra n ty repairs will be rendered. Instruments out of warra n ty will be repaired (when
r e p a i rable) for a service charge. Return the unit postage paid and insured to:

1-800-547-5740 • FAX: (503) 643-6322

www.ueiautomotive.com • Email: [email protected]

This warranty gives you specific legal rights. You may also have other rights which vary from
state to state.

DTH51

IR Thermometer/Psychrometer

Copyright © 2007 UEi Automotive       

DTH51-MAN  1/07

PLEASE

RECYCLE

Summary of Contents for DTH51

Page 1: ...1 800 547 5740 Fax 503 643 6322 www ueiautomotive com email info ueitest com DTH51 INSTRUCTION MANUAL ...

Page 2: ... physical hazards to the user The word CAUTION is used to indicate conditions or actions that may damage this instrument WARNING DO NOT point the laser toward the eyes or face of a person or animal Laser light can cause eye injury if the beam makes direct eye contact Reflective laser light can also cause damage if a mirror or a glass like surface reflects the beam directly into the eye Laser s pot...

Page 3: ...e held on the top line of the LCD screen when you release the button 4 The last measured IR temperature reading is used to calculate the differential dew point based on the ambient temperature and humidity sensors readings NOTE All other temperature and humidity functions are based on the measurements provided by the sensors in the sensor set 5 Key Press to select between Centigrade or Fahrenheit ...

Page 4: ...ate your DTH51 when measuring different types of surfaces The chart Fig 2 provides the specific values of different surfaces that you can use when setting the adjustable emissivity values between 3 to 99 A 95 emissivity value is most connonly used After turning the instrument on you can enter the emissivity adjustment mode by briefly pressing the push button twice DTH51 MAN P 3 The emissivity valu...

Page 5: ...mited by a combination of ambient temperature and relative humidity Wet bulb temperature is shown on the second line of the DTH51 Fig 6 To cycle between Ambient Temperature Dew Point and Wet Bulb temperature extend the sensor set then press and release the push button quickly until the desired function is displayed Differential Dew Point Differential dew point is a calculation of the difference be...

Page 6: ...ion salt solution 8 Press the push button again 9 75 2 will be flashing on the screen 10 After 30 more minutes press the push button for the final time The calibration process is complete and stored in memory Turn the meter off and back on to reboot NOTE You can exit abort calibration without storing new references by pressing the key for more than 2 seconds turning the meter off if performed prio...

Page 7: ... repair Measured temperature exceeds maximum or minimum allowed Surface between 40 to 932 F E 2 or E 3 displayed on Ambient 4 to 122 F top line If measured temperature is within range infrared circuit malfunction return for repair E 9 on top line Calibration Process failure Check battery power level Check ambient temperature 73 F Seal around Cal salt bottle faulty Other not listed Call UEi 800 547...

Page 8: ...lied warranties of merchantability and fitness for a particular purpose are limited to the express warranty UEi shall not be liable for loss of use of the instrument or other incidental or consequential damages expenses or economic loss or for any claim or claims for such damage expenses or economic loss A purchase receipt or other proof of original purchase date will be required before warrantyre...

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