OPERATING INSTRUCTIONS 636 INTRODUCTION SAFETY
Contents
1. 0 25 second nominal Operating Environment 32 F to 122 F 0 C to 50 C at lt 70 R H Storage T emperature 4 F to 140 F 20 C to 60 C 0 to 80 R H with battery removed from meter Auto power off 10 seconds Standby consuming current lt 5uA Battery Standard 9V battery NEDA 1604 IEC 6F22 006P Battery Life 9 hours continuity typical contain Laser and Backlit Dimensions H xW xD 5 8x4 1x1 65 148 x 105 x 42mm W eight approx 157g including battery Laser Specifications Laser safety classification of Class 2 Wave Length Red 630 670nm Power out lt 1mW class 2 laser product 2 A button Press A button to on the A annunciator If A annunciator is on press trigger and the laser beam will turn on and A annunciator will blink Releasing trigger to turn off the laser beam 3 x button Use y button to select turn on or off the Back L ight function 4 C F button Readings are displayed in either degrees Celsius C or degrees Fahrenheit F When the thermometer is turned on To change the temperature scale by pressing C F button 5 APO button It will auto power off for about 10 seconds Press APO button to disable Auto Power Off function that HOLD indication disappears and press again to enable APO function OPERATION 1 T ake the protective cap off and then pull the trigger to turn on the meter 2 Point the lens at the object whose temperature2. is reduced If either of these numerical value Keys is held down the numerical value changes rapidly in the appropriate direction The data will store in nonvolatile storage region while after completing settings In this mode the automatic power off feature is disable CAUTION Do not use the unit near any device which generates strong electromagnetic radiation or near a static electrical charge as these may cause errors Do not use the unit where it may be exposed to corrosive or explosive gases The unit may be dam aged or explosion may occur Do not keep or use this unit in an environment where it will be directly illuminated by sunshine or where it will be exposed to high temperatures high humidity or condensation If you do it may be deformed its insulation may be damaged or it may no longer function according to specification Do not point the lens at the sun or at any other source of strong light If you do the sensor may be damaged Do not contact the lens against the object whose temperature is to be measured or get it dirty allow it to be scratched or allow any foreign material to adhere to it Doing so may cause errors Do not touch or hold by the front case Temperature reading can be affected by heat from hand Do not placethe meter on or around hot objects 70 C 158 F It may cause damage to the case If the meter is exposed to significant changes in ambient temperature hot to cold or cold to hot Allow 2
3. 0 minutes for temperature stabilization before tak ing measurement Condensation may form on the lens when going from a cold to hot environment wait 10 minutes for conden sation to dissipate before taking measurements This unit is not constructed to be water proof or dustproof so do not useitin avery dusty environment or in one where it will get wet Press SET button switches the mode around the cyclee gt ALM Hi gt ALM Lo gt MAX gt MIN gt HOLD HOLD Releasing the trigger to stop measurement of temperature the HOLD indication appears and the measured temperature is held The thermal emissivity of the object set using the and w keys refer to Table 1 The upper limit alarm temperature is set using the and w keys When the measured temperature is exceeded the Hi setpoint the beeper emits a discontinuous pulse tone and ALM Hi is displayed The lower limit alarm temperature is set using the and w keys When the measured temperature is below the Lo setpoint the beeper emits a continuous pulse tone and ALM Lo is displayed The maximum temperature during measure ment is displayed MIN The minimum temperature during measure ment is displayed ALM Hi ALM Lo MAX SPECIFICATIONS GENERAL Display 3 digit liquid crystal display LCD with maximum reading of 1999 Low battery indication the 4 is displayed when the battery voltage drops below the operating level M easurement rate
4. OPERATING INSTRUCTIONS BK PRECISION 636 C INFRARED THERMOMETER WITH LASER SIGHTING oN PA A SET A xe SL ed NN ol iC N E APO ALM Mi Lo AC FE fete 0 0 HOLD SET MAX MIN ELECTRICAL Temperature Range 22 F to 1022 F 30 C to 550 C Display Resolution 1 F 0 5 1 C Auto Accuracy 4 F 2 C for 22 F to 212 F 30 C to 100 C 2 reading for 213 F to 1022 F 101 C to 550 C Temperature C oefficient 0 2 of reading or 0 36 F 0 2 C whichever is greater change in accuracy per F C changein ambient operating temperature above 82 4 F 28 C or below 64 4 F 18 C Response Time 0 25 second Spectral Response 6 to 14um nominal Adjustable emissivity e 0 1 to 1 0 Detection Element Thermopile Optical Lens Fresnel Lens Sighting 1 beam laser marker lt ImW class 2 Field of View 100mm at 1000mm 3 9 at 39 0 Diameter of spot mm Marker Distance to object mm Spot size increases with distance from the probe tip as shown Spot Diameter measured at 90 Energy INTRODUCTION This instrument is a portable easy to use 3 digit compact sized digital infrared thermometer with laser sighting designed for simple one hand operation M eter comes with BacklitLCD display A uto H old f
5. Power is supplied by a 9 volt transistor battery NEDA 1604 IEC 6F 22 2 Pull off battery cover 3 Remove the battery cover by gently sliding it towards the bottom of the meter 4 Removeand disconnect the old battery from the meter and replace with anew unit Wind the excess lead length and put the top of battery beneath the battery chamber Install the battery and put the battery cover wae Cleaning Periodically wipe the case with a damp cloth and deter gent do not use abrasives or solvents For your convenience we suggest you contact your BK PRECISION distributor who may be authorized to make repairs or can refer you to the nearest service contractor If warranty cannot be obtained locally please send the unit to BK PRECISION Service Department 22820 Savi Ranch Parkway Y orba Linda CA 92887 properly pack aged to avoid damage in shipment BK PRECISION Test Instruments only warrants prod ucts sold in the U S A and its overseas territories In other countries each distributor warrants the BK PRECISION products which it sells 481 544 9 001 Please Attention CUSTOMER SUPPORT 1 800 462 9832 Precision offers courteous professional technical support before and after the sale of their test instruments The following services are typical of those available from our toll free telephone number Technical advice on the use of your instrument Technical advice on special applicatio
6. is to be measured 3 Pull the trigger Measurement is performed as long as trigger is kept 4 Referring to the spot size figure aim the laser beam at the object whose temperature is to be measured 5 Put the cap on to extend life of the sensor and to avoid danger caused by wrong way to use laser NOTE Although the field of measurement or Field of V iew and the spot almost coincide actually the field of measurement corresponds to the diameter for 90 optical response The object whose temperature is to be measured needs to be larger than the mea surement diameter spot of size by an adequate margin at least 1 5 to 2 times larger T able 1 pe ety iy emissivity emissivity 0 90 to 0 98 Cloth black 0 94 Human skin 0 96 L ather 0 75 to 0 80 0 90 Charcoal powder 0 96 0 92 to 0 96 Lacquer 0 80 to 0 95 0 92 to 0 96 Lacquer matt 0 97 0 96 to 0 98 Rubber black 0 94 0 83 Plastic 0 85 to 0 95 0 90 to 0 95 Timber 0 90 0 90 to 0 94 Paper 0 70 to 0 94 0 94 chromium oxides 0 81 0 80 to 0 90 Copper oxides 0 78 0 89 to 0 91 lron oxides 0 78 to 0 82 0 93 to 0 96 Textiles 0 90 Brick red CAUTION Laser radiation is emitted lt 4 AVOID EXPOSURE from the APERTURE LASER RADIATION DO NOT STARE INTO BEAM POWER OUT WAVE LENGTH RED 630 670nm LASER SAFETY rene Can OF CLASS 2 EN 60825 1 1994 A11 1996 A2 200 MEASUREMENT CONSIDERATIONS 1 Theory of M easurement Every object emits inf
7. ns of your instrument Technical advice on selecting the best instrument for a given task Instrument for information on optional accessories for your instrument Information on instrument repair and recalibration Services Replacement parts ordering Information on other BK PRECISION instruments Requests for a new BK PRECISION catalog Thename of your nearest BK PRECISION distributor Call toll free 1 800 462 9832 M onday through Friday 8 00 A M to 5 00 P M Pacific Standard Time BK PRECISION wir 22820 Savi Ranch Parkway Y orba Linda CA 92887 2005 BK PRECISION Printed in Taiwan
8. r or replace at its option defective product or component parts upon delivery to an authorized BK PRECISION service con tractor or to the factory service department accompanied by proof of the purchase date in the form of a sales receipt Exclusions This warranty does not apply in the event of misuse or abuse of the product or as a result of unauthorized alterations or repairs Itis void if the serial number is altered defaced or removed BK PRECISION shall not be liable for any consequential damages including without limitation damages resulting from loss of use Some states do not allow limitation of incidental or consequential damages so the above limitation or exclusion may not apply to you This warranty gives you specific rights and you may have other rights which vary from state to state made of and its surface finish Emissivity values range from 0 10 for a very reflective object to 1 00 for a black body Factory set emissivity value of 0 95 which cover 90 of typical applications 5 If the surface to the measured is covered by frost or other material clean it to expose the surface 6 If the surface to be measured is highly reflective apply masking tape or matt finish black paint to the surface 7 If the meter seems to be giving incorrect readings check the front cone There may be condensation or debris obstructing the sensor clean per instructions in the maintenance section MAINTENANCE au R eplacement 1
9. rared energy in accordance with its temperature By measuring the amount of this radiant energy itis possible to determine the temperature of the emitting object 2 About Infrared Infrared radiation is a form of light electromagnectic radiation and has the property that it passes easily through air while it is easily absorbed by solid matter W ith an emission thermometer which operates by detect ing infrared radiation accurate measurement is possible irrespective of the air temperature or the measurement distance 3 Emission Thermometer Structure Infrared radiation which has been emitted from the object is focused upon an infrared radiation sensor via an optical system This includes a lens which is transparent to infrared radiation And 5 3um cut off filter The output signal from the infrared radiation sensor is input to an electronic circuit along with the output signal from a standard tempeature sensor T hermopile 4 Emissivity All objects emit invisible infrared energy The amount of energy emitted is proportional to the object s temperature and its ability to emit IR energy This ability called emissivity is based upon the material that the object is LIMITEDONE YEAR WARRANTY BK PRECISION warrants to the original purchaser that its product and the component parts thereof will be free from defects in workmanship and materials for a period of one year from the date of purchase BK PRECISION will without charge repai
10. unction and auto power down 10 seconds approx after releasing Trigger to extend battery life SAFETY INFORMATION Itis recommended that you read the safety and operation instructions before using the infrared thermometer A DANGER Pressing the Trigger turns the laser beam on and off Exercise extreme care and do not allow the laser beam to enter your eye or those of any other person or animal e Donotlook directly into the laser lightfrom the optical system e When measuring the temperature of an object which has a mirror finish be careful not to allow the laser light beam to be reflected off the surfaceinto your eyes or those of another person Do not allow the laser light beam to impinge upon any gas which can explode EMC RFI Readings may be affected if the unit is operated within a radio frequency electromagnetic field strength of approxi mately 9 volts per meter but the performance of the instrument will not be permanently affected OPERATING INSTRUCTIONS T rigger Pull the trigger to turn on the meter for measuring temperature Releasing trigger to stop measuring tem perature and automatically hold the display reading the meter power down automatically after 10 seconds Button function 1 Set button SET MODE amp Numeric input key SET annunciator appears when a numerical value can be set during setting of e ALM Hi and ALM Lo key The numerical value is increased w key The numerical value
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