Operating Instructions - York Survey Supply Centre
Contents
1. Survey Supply ITN TN1 Infrared Thermometer Nothing else measures up Prospect House George Cayley Drive Clifton Moor York England YO30 4XE Tel 44 0 1904 692723 Fax 44 0 1904 690385 E Mail sales yorksurvey co uk Operating YorkSurvey o MyorkSurvey s Instructions Ref operat98 instructions 15 320610 qxp 05 01 15 York Survey Supply Centre 2015 TN1 Thermometer Operating Instructions The TN1 thermometer is a non contact in frared thermometer Simply aim the thermometer at the target and press the measurement button to display the surface temperature The distance to target ratio is 1 1 therefore the thermometer should be positioned as close to the target as possible Minimum or Maximum Mode To utilise the TN1 s minimum or maximum mode firstly turn the instrument on by pressing the measurement button then press the mode button once for minimum or twice for maximum function The MIN or MAX icon will flash then press the measurement button to confirm the minimum or maximum mode The TN1 will display the minimum or maximum reading only Lock Mode The lock mode is particularly useful for con tinuous monitoring of temperatures To utilise the TN1 s lock mode firstly turn the instrument on by pressing the measurement button then press the mode button three times for the lock mode function The LOCK icon will flash then press the measurement button to con2. d strength of approximately 3 volts per metre but the performance of the instrument will not be permanently affected Guarantee The TN1 is guaranteed for a period of one year from date of purchase against me Battery Low battery needs to be replaced measurements are possible chanical and electrical manufacturing de fects There are no user serviceable parts inside the instrument Any attempted repair by unauthorised persons voids the warranty Battery Exhausted measurements are not possible TN1 Specification Range 22 to 110 C Resolution 0 1 C or F switchable Response Time 1 second Infrared Accuracy 2 of reading or 2 C whichever is greater Field of View 1 1 optics ratio Emissivity 0 95 default adjustable 0 01 to 1 emissivity Battery life 40 hours continuous use auto power off after 15 seconds Battery CR2032 Display Custom LCD Dimensions 18 x 37 x 68mm Weight 32 grams including battery York Survey Supply Centre 2015
3. ed when the ambient temperature of the TN1 exceeds 10 or 50 C In both cases you should allow plenty of time minimum 30 minutes for the TN1 to stabilise to the working room temperature 0 to 40 C For all other error messages it is necessary to reset the TN1 turn the instru ment off remove the battery and wait for a minimum of one minute reinsert the bat tery and turn on If the error message remains please contact York Sur vey Supply Centre for further assistance Batteries The TN1 incorporates visual low battery indication as follows Battery OK measurements are possible Battery Replacement When the Low Battery icon indicates the battery is low the battery should be re placed immediately with a CR2032 lithium cell The battery is located under the twist cover at the rear of the TN1 Please note It is important to turn the instrument off before replacing the battery otherwise the TN1 may malfunction Storage and Cleaning The sensor lens is the most delicate part of the TN1 the lens should be kept clean at all times care should be taken when clean ing the lens using only a soft cloth or cotton swab with water or medical alcohol allow ing the lens to fully dry before using the TN1 do not submerge any part of the TN1 The TN1 should be stored at room temperature between 10 and 40 C EMC RFI Readings may be affected if the unit is op erated within a radio frequency electromagnetic fiel
4. firm the lock measurement mode The TN1 will continuously display the temperature for up to 60 minutes or until the measurement button is pressed C or F Mode To change the TN1 from C to F or from OF to C firstly turn the instrument on by pressing the measurement button then press the mode button four times the C or OF icon will flash press the measurement button to change then press the measurement button to confirm the mode Ref operat98 instructions 15 320610 qxp 05 01 15 Emissivity The TN1 infrared thermometer is supplied with a default emissivity of 0 95 The emissivity of the TN1 can be changed from 0 01 1E to 1 100E Changes should only be carried out by experienced personnel To change the TN1 s emissivity firstly turn the instrument on by pressing the measurement button then press the mode button five times for emissivity function The 95E will flash on on the LCD screen then press the measurement but ton to adjust the emissivity value press the mode button again to exit the set up screen LCD Error Messages The TN1 incorporates visual diagnostic messages as follows Hi or Lo is displayed when the temperature being measured is 7 outside of the range of the instrument Hi when higher than 110 C and Lo when lower than 22 C Er2 is displayed when the TN1 is exposed to rapid changes in the ambient tempera ture Er3 is display
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