Reed ST-8835 User Manual
Contents
1. P5000 13 70 C 21 5 of reading 42 C 3 6 F IR Measurement 0 1 C 0 1 F RO 200 C 4 to 392 1 5 of reading 2 C 3 6 20010 538 C 892 to 1000 F 2 0 of reading 2 C 3 6 F __ 588 to 1050 C 1000 to 1922 F 43 5 of reading 5 C 49 F IAS reedinstruments com 4 Specifications con t Response Time Less than 1 second Spectral Response 8 14um Emissivity Digitally adjustable from 0 10 to 1 0 Over Range Indication LCD will show 0L OL Polarity Automatic no indication for positive polarity Minus sign for negative polarity Diode Laser Output lt 1mW Wavelength 630 670nm Class 2 Il laser product Operating Temp O to 50 C 32 to 122 F Storage Temp 20 to 60 C 4 to 140 F Relative Humidity 10 90 RH operating lt 80 RH storage Power Supply 9V battery NEDA 1604A or IEC 6LR61 or equivalent Dimensions 100 x 56 x 230mm 8 9 x 2 2 x 9 0 Weight 290g 10 2 oz Safety CE Comply with EMC Notes e Accuracy Given at 18 to 28 C 64 to 82 F less than 80 RH e Field of View Make sure that the target is larger than the unit s spot size The smaller the target the closer you should be to it When accuracy is critical make sure the target is at least twice as large as the spot size IAS reedinstruments com 5 Front Panel Description 1 IR Sensor 2 Laser Pointer Beam 3 LCD Display 4 Down Button 5 5 Up B2. The diagram on the left shows the sequence of functions in the MODE cycle Switching C F LOCK ON OFF amp SET ALARM gt j GE VA 2 LOCK ON OFF 3 SET ALARM 5 Select the temperature units C or F by using the C F switch kia m reedinstrumentscom 7 To lock the unit on for continuous measurement slide the middle switch LOCK ON OFF to the right If the trigger is pulled while the unit is locked on the laser and backlight will be turned on if they have been activated When the unit is locked on the backlight and laser will remain on unless it is turned off using the Laser Backlight button on the keypad To activate the alarms please slide the bottom switch SET ALARM to the right To set values for the High Alarm HAL Low Alarm LAL and Emissivity EMS firstly activate the display by pulling the trigger or pressing the MODE button then press the MODE button until the appropriate code appears in the lower left corner of the display press the UP and DOWN buttons to adjust the desired values Measurement Operation 1 Hold the meter by its handle grip and point it toward the surface to be measured 2 Pull and hold the trigger to turn the meter on and begin testing The display will light if the battery is good Replace the battery if the display does not light 3 While measuring the SCAN display icon will appear in the upper left corner of the LCD 4 Release the trigger and the HOLD icon will appear on the L
3. CD indicating that the reading is being held 5 The meter will automatically power off approximately 7 seconds after the trigger is released Unless the unit is locked on How to obtain Emissivity In the EMS mode press and hold the Laser Backlight button until the EMS icon on the left side of LCD blinking At this time will appear at the upper side of the LCD IR temperature value will be in the middle of LCD and Type K temperature value is at the lower side of the LCD kia reedinstruments com gs How to obtain Emissivity con t Contact the Type K probe to the object surface and test the temperature of same point with IR measurement After both values are stable press UP or DOWN button for confirmation Then emissivity of the object will be shown at the upper side of the LCD Press MODE button or trigger to enter normal measurement Notes 1 When the IR value is not corresponding to the TK value or IR and TK tested the different points no emissivity will be obtainable or a wrong emissivity will be obtained 2 The temperature of the target should be higher than the environment temperature Normally 100 C is suitable for obtaining a higher accuracy emissivity After obtaining the emissivity if the difference between the IR value in the middle of LCD and TK value at the lower side of LCD is too big the obtained emissivity will be incorrect It s necessary to obtain a new emissivity Data L
4. ecui riont A a 1 877 742 TEST 8378 O T 8835 Non Contact Infrared Thermometer Instruction Table Of Contents e esmaneecsaseeConcse tee cceneees 2 e oz 3 o AA MP DS POCO peateeteeaeein 3 Dal a e eE mm 3 DISTANCE amp SOL SIZE ad ie 4 O PECIICANONS airada ivi ipiaria alli iii 4 5 Front Panel Descripti N eaters ct czeseesenneedaecewscaudeasacuinneseecuscudsorgetecesicematoacaeeeses 6 PP a RPP E on 6 BUON PA Ay A O E deesetovcecagerueniae T Measurement OperatiON cooncccccccnnncccconnncccnonononannnnnnnnnnnnnnnnnnnnnannnnnnannnnnnns 8 How to Obtain Emmissivity cuisstweccnceiations itentuinsinsecedininaianiccadasaneddeteareante 8 9 Baa EO nn A 9 10 cu on 10 A AAA cree te iste O sane AAE EA 11 12 Maintenance amp Cleaning iia inaccaswssetnetniassnbicesinasadwacveneeabiduacedaciasnendenblendaaens 12 Introduction Thank you for your purchase of this REED Infrared Thermometer This instrument offers non contact infrared temperature measurement capability The built in laser pointer increases target accuracy while the backlight LCD and handy push buttons combine for convenient ergonomic operation Type K thermocouple functionality is also built in Proper use and care of this meter will provide years of reliable service kia reedinstruments com gt Features Precise non contact temperature measurement Type K temperature measurement Unique flat surface modern housing design Built in laser pointer A
5. flected and transmitted energy which is collected and focused onto a detector The unit s electronics translate the information into a temperature reading which is displayed on the unit In units with a laser the laser is used for aiming purposes only Field of View Make sure that the target is larger than the unit s spot size The smaller the target the closer you should be to it When accuracy is critical make sure the target is at least twice as large as the spot size Distance amp Spot Size As the distance D from the object increases the spot size S of the area measured by the unit becomes larger See Graphic on Page 4 Locating a Hot Spot To find a hot spot aim the thermometer outside the area of interest then scan across with an up and down motion until you locate hot spot Reminders 1 Not recommended for use in measuring shiny or polished metal surfaces stainless steel aluminum etc See Emissivity 2 The unit cannot measure through transparent surfaces such as glass It will measure the surface temperature of the glass instead 3 Steam dust smoke etc can prevent accurate measurement by obstructing the unit s optics Emissivity Emissivity is a term used to describe the energy emitting characteristics of materials Most 90 of typical applications organic materials and painted or oxidized surfaces have an emissivity of 0 95 pre set in the unit Inaccurate readings will result from measuring shiny o
6. mode press the trigger and then press the down arrow button until you reach LOG location 0 This can only be done when the trigger is pulled LOG location 0 cannot be accessed by using the up arrow button 2 When LOG location 0 shows in the display press the laser back light button A tone will sound and the LOG location will automatically change to 1 signifying that all data locations have been cleared 3 Measurement considerations Holding the meter by its handle point the IR sensor toward the object whose temperature is to be measured The meter automatically com pensates for temperature deviations from ambient temperature Keep in mind that it will take up to 30 minutes to adjust to wide ambient temperatures being measured followed by high temperature measure ments some time Several minutes is required after the low and before the high temperature measurements are made This is a result of the cooling process which must take place for the IR sensor Battery Replacement 1 When battery power is not sufficient LCD will display Replacement with one new 9V battery is required 2 Open battery cover take out the battery from the instrument and replace with a new 9V battery and place the battery cover back into place wreedinstruments com 10 Notes How it Works This REED Infrared Thermometer measures the surface temperature of an object The unit s optics sense emitted re
7. ogger Storing Data Your thermometer is capable of storing up to 20 data locations The infrared temperature and temperature scale C or F are also stored Infrared To store data from an infrared reading pull the trigger While holding the trigger press the MODE button until LOG appears in the lower left corner of the display a log location number will be shown If no temperature has been recorded in the shown LOG location 4 dashes will appear in the lower right corner Aim the unit at the target area you want to record and press the laser backlight button The recorded temperature will appear in the lower right corner To select another log location press the up and down keys IAS reedinstruments com 9 Recalling Data To recall stored data after the unit shuts off press the MODE button until LOG appears in the lower left corner A LOG location number will be shown below LOG and the stored temperature for that location will be displayed To move to another LOG location press the UP and DOWN keys Log Clear Function The Log clear function allows you to quickly clear all logged data points This function can only be used when the unit is in LOG mode It can be used when the user has any number of LOG locations stored You should only use the LOG clear function if you want to clear all the Log location data that is stored in unit s memory The LOG clear function works as follows 1 While in LOG
8. r polished metal surfaces To com pensate cover the surface to be measured with masking tape or flat black paint Allow time for the tape to reach the same temperature as the material underneath it Measure the temperature of the tape or painted surface www reedinstruments com 11 Emissivity Values Thermal Thermal Substance Emissivity Substance Emissivity Cement 0 96 Sand 0 90 Charcoal powder 006 Timber 090 Textiles 090 Maintenance amp Cleaning e Repairs or servicing that are not covered in this manual should only be performed by qualified personnel REED Instruments is qualified to handle this for you Contact us at 1 800 561 8187 or info reedinstruments com e Periodically wipe the case with a dry cloth Don t use abrasives or solvents on this instrument e When servicing use only specified replacement parts www reedinstruments com 12 Notes 13 Notes 205 Westwood Ave y Long Branch NJ 07740 equipment 1 877 742 TEST 8378 Fax 732 222 7088 NET salesteam Tequipment NET 14
9. utomatic Data Hold Automatic power off C F switch Emissivity digitally adjustable from 0 10 to 1 0 e MAX MIN DIF AVG record Data Logger LOG LCD with backlight e Automatic range selection Resolution 0 1 C 0 1 F Trigger lock High and Low alarms e Measure emissivity Applications Food preparation safety and fire inspectors plastic molding asphalt marine and screen printing measure ink and dryer temperature HVAC R diesel fleet maintenance and much more A Safety e Use extreme caution when the laser beam is turned on e Do not let the beam enter your eye another person s eye or the eye of an animal CAUTI UN e Be careful not to point the beam off a reflective surface and strike your eye A LASER RADIATION S DO NOT STARE INTO BEAM e Do not allow the laser light beam to impinge on X Mir entar E any gas which can explode CLASS II LASER PRODUCT kia reedinstruments com 3 Distance 4 Spot Size As the distance D from the object increases the spot size S of the area measured by the unit becomes larger The relationship between distance and spot size for each unit is listed below The focal point for each unit is 914mm 36 The spot sizes indicate 90 encircled energy D S 30 1 Laser Beam Distance D to Spot Size S 16mm 5001500 Sensor Beam mm mp D u Specifications TK measurement 50 to 1370 C 58 to 2498 F 0 190 o tE A TS 1 5 of reading 3 C 5 F
10. utton 6 Mode Button 7 Laser Backlight Button 8 Measurement Trigger 9 Handle Grip 10 Battery Cover Indicators ss 1 Data Hold LUE mi 2 Measuring indication E 3 Emissivity symbol amp value 4 C F symbol qo 5 Auto Emissivity 6 Lock amp Laser ON symbols 7 High amp low alarm symbols 8 Temperature values for the MAX MIN DIF AVG HAL LAL TK and LOG 9 Symbols for EMS MAX MIN DIF AVG HAL LAL TK and LOG 10 Current temperature value 11 Low battery IAS reedinstruments com 6 Buttons 1 Up button for EMS HAL LAL LOG 2 MODE button for cycling through the mode loop 3 Down button for EMS HAL LAL LOG 4 Laser Backlight On Off button pull trigger and press button to activate laser backlight WA 4 Ly MODE MODE Button Function This infrared thermometer measures Maximum MAX Minimum MIN Differential DIF and Average AVG Tem peratures Each time you take a reading this data is stored and can be recalled with the MODE button until a new measurement is taken When the trigger is pulled again the unit will begin measuring in the last mode selected Pressing the MODE button also allows you to access the High Alarm HAL Low Alarm LAL Emissivity EMS and data logger LOG MODE Each time you press MODE you advance through the mode cycle Pressing the MODE button also allows you to access the Type K Temperature Measurement
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