HEAT SPY HEAT SPY
Contents
1. 150 x 81 x 33mm 173 x 93 x 45mm 200 x 127 x 47mm 6 3 oz 180g 7 8 oz 220g 12 7 oz 360g w battery w battery w battery Dimensions Weight Instruction Manual Instruction Manual Instruction Manual SUMMED L 9V Battery 9V Battery Carrying Case Wrist 9V Battery 9V Battery Carrying Case Soft Pouch Wrist Strap S ene Wire Bead thermocouple 1 meter in length Visit www palmerwahl com gt Hand Held Instruments gt Heat Prober RTD amp Thermocouple Temperature Meters Product Line for optional probes Included Accessories ONE YEAR L iN N 2 Wahl Specifications subject to change without notice M LIV IE T INSTRUMENTATION GROUP PW1231 06 06 Wahl Heat Spy Portable Infrared Thermometer Bluetooth Enabled The Wahl DHS520 is a general purpose high precision portable infrared thermometer designed for accurate measurement of tempera iian tures in the range of 1022 to 5432 F 550 to 3000 C The measured Ns x temperature is displayed in four simultaneous modes continuous iE peak mean and valley with user selected mode for the viewfinder dis LR play Accurate sighting is ensured by the clear wide angle 9 field of view and small clearly defined 1 3 measurement area Focusing is variable from 1m to infinity with close focus options available using auxiliary lenses Emissivity compensation is provided via the icon based2. 5 C e 0 95 Repeatability at 23 C 5 C e 0 95 Spectral Range Display Hold LCD Backlight Calculating Mode Recall Last Reading High or Low Audible Visual Alarm Temperature Display Display Resolution Ambient Operating Conditions Storage Temperature Power Supply Battery Life with alkaline Battery Life Indicator Temperature Update Rate CE Compliant Included Accessories Specifications are subject to change without notice DHS100XL Display LOW BATTERY INDICATOR TEMPERATURE READING LASER ON OFF BUTTON LASER INDICATOR lt E UHB 7 HEAT SPY DHS 100XL LASER ON HOLD F DORE BACKLIGHT D 0 to 850 F 18 to 450 C Displays HI when target temp gt 851 F 455 C Displays LO when target temp lt 20 F 28 C nominal Bright laser sight Class II 1mW 0 5 above target center Greater of 2 of reading or 3 F 2 C Greater of 1 of reading o 500m second fae 2 ie as 1G 7 18 microns nominal thermopile detector Last reading and operating mode displayed for 6 seconds nominal upon trigger release User selectable Pre set 0 95 N N N F or C switchable 3 digit LCD 32 to 120 F 0 to 50 C 10 to 90 relative humidity noncondensing 1 F or 0 10 to 1 0 user selectable Automatically switches to AVG mode for emissivity lt 0 3 MAX MIN AVG MAX AT Yes Yes F or C menu selectable 3 digit LCD C
3. to 212 F 20 to 100 C using an external Type K Temperature of 77 F 25 C 2 Above 212 F 100 C Thermocouple as a reference Thermopile 5 to 14 um the built in software deter 41 C 42 F mines the emissivity of the SENEU target object and automatically Ae l 500 ms sets the emissivity of the instru ieni 0 to 50 C 32 to 122 F 10 to 95 RH C Repeatability Resolution Response Time Operating Temperature Auto Power Off Automatically after approx 6 seconds Adjustable 0 1 to 1 0 Color Identification Signal Technology display backlight changes to red when alarm set Emissivity CD CD points are exceeded Thermocouple Connection K es Ultra low power consumption Thermocouple Range 200 to 1380 C Extended time measuring Thermocouple Accuracy 1 5 1 degree reliability F C Switchable Electronic Trigger Lock Function LCD Backlight S Tripod Mount for hands free Color Identification Signal monitoring Laser Sight Switchable Audio Alarm Dual Display Trigger Lock Function Max Min Avg AT DHS125XEL shown with Auto Measuring optional Wahl Heat Probe TC869 45 Spring Articulated Surface Probe 10 Point Memory 9V 006P IECF22 NEDA1604 7 09 x 5 12 x 1 57 inches 180mm x 130mm x40mm Approximately 6 87 ounces 195 grams Included Accessories 9V Battery Carrying Case and User Manual see Wahl Heat Prober Thermocouple Optional Accessories i probes
4. HIRR Series Features e Features listed above Plus e Ultra High range 32 to 2500 F 0 to 1380 C e Specialized tool for measurement of glass gobs heat treating annealing welding and metal ingot operations does not measure through glass ports e Accuracy of 0 3 of full scale e Repeatability is 3 F e 3 Year Warranty e Telescopic sight option recommended Please see page 15 for a complete listing of DHS28 specifications DHS28 XT SS SW ram osm Hse puas 26 and 28 Series Heat Spy Distance to Target Size Ratio 20 1 INSTRUMENTATION G ROU P SS wd E A 9 DHS29 DHS35XT Series Designed for extreme applications in Ferrous and Non Ferrous Metal the DHS29 and 35XT Heat Spy models are built from the bottom up for precise accurate measurement of high tempera tures under the toughest factory conditions ___DHS29 Series Features e Measures through glass ports flames and products of combustion e High temperature Range 900 to 3200 F 482 to 1760 C e Narrow spectral range for general purpose high temperature measurement through glass e Small target resolution and long telescopic range e Aim through ports in furnace walls at refractories glass gobs furnace tubes ceramics billets slag and annealing materials e Sapphire window protects the silicon optics from heat and contamination e 3 Year
5. e e e oS aa a H a E sareen f os o O O S aaisa ana oa omen o o paren mr TRE ano omc T Tooo O rewesi ee S E e O wpn OOO o e e SS aenn OO o e S e a ens O O e S e e o Ren S O e S y a o Paa aa sort at S o e Raa anv T TnS sere re CY O mewes OOO O O O S T SS Note Not all accessories are available for all Heat Spys and will vary by model Please check appropriate catalog page for details or our website for further details Note Please contact Wahl Customer Service for Calibration and Repair Manuals Heat Spy Applications Heat Spy s perform in a wide variety of routine maintenance and inspection applications including e Steam Traps e Ceramic e Heat Treating e Transportation e Closed Robotic s Electrical Busses e Chips e Chemical Processes e Rotating Machinery Assembly Areas e Motor Bearings e Asphalt e Furnaces e Food Processing e Vents s Paper s Wood e Wave Soldering s Storage e Tires e Plastic e Stacks e Wheel Bearings e HVAC System Testing s Fire Safety e Rubber e Circuit Boards e Welding e Exhausts e Grain Curing s Glass e Shells Moving Machinery e Process Assembly e Pipes e Painted Surfaces e Dies e High Voltage Targets Lines e Insulation NID NIS Wahl INSTRUMENTATION G ROU P DHS100XL DHSLOOXEL The DHS100 Series are low cost value packed instruments that offer rugged and accurate service for genera
6. for measuring temperature in furnaces Models available with LED or LCD display telescopic or laser sights and FM ratings Specialty Heat Spys Ra stiea0 ata tere cee eee hs See ea ee wen ee ek a A 16 Auto Focus Low Temperature high precision general purpose thermometers the world s first auto focus infrared thermometers for easier and more accurate spot temperature measurements of 50 to 1800 F 50 to 1000 C DHSOF SENOS cso eset ook ee ee we we we ee Ree 17 Wide Temperature Range Measures high temperature surfaces with small target diameters from 0 8 inches Adjustable focus and through the lens viewing allow you to sight the target while reading temperatures in the range of 930 to 5800 F 500 to 3200 C Model options for digital data output DHS5S 2ce8e shoves seek eee R E dew eee eRe OO Dee ae eRe es EERS 18 Narrow Spectral Range of models DHS55 and DHS56 gives accurate temperature measurement within a specific range Model DHS55 measures Liquid Metals in the range of 1830 to 3270 F 1000 to 1800 C Long Distance Telematic Series with a Spot Ratio of 300 to 1 for long distance targets Telematic Heat Spy s are preferred by maintenance engineers for checking distant targets such as transmission lines transformers insulators stacks kilns or reactors at a safe distance up to 300 ft away Telematics are designed for quick and easy scan operation for hot spots and are available with several r
7. for surface measuring Battery Type Ooo Som TERE ae O O O a 0 to 50 C 82 to 122 F 10 to 95 RH _ Automatically after approx 6 seconds Adustable0 tto10 aooe PHM degree O Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes 0V 006P IECF22 NEDAT604 s Electrical Troubleshooting e Food Safety and Processing e Automotive Maintenance e Test Terminals on Circuits ONE YEAR 1 e HVAC Energy Audits e Maintenance amp Inspections WARRANTY Specifications subject to change without notice P A N gt 2 W la v INSTRUMENTATION G ROU P 10 08
8. in all others Secondary Display Ambient Operating Range 32 to 131 F 0 to 55 C Laser operating range 32 to 122 F Storage Temperature 4 to 158 F 20 C to 70 C Power Supply Life One 9V battery 50 hours without laser Laser and backlight operation will reduce battery life Laser Class II IEC825 91 output lt imW High impact ABS UL class VO UNC 1 4 inch IP20 Laser Tripod Thread Enclosure Class Dimensions Weight see fig 1 1 Ib 340g a H H H H H H Included Accessories All DHS250 Series Instruments are supplied with a foam lined molded carrying storage case wrist strap and one 9V battery CE Specifications are subject to change without notice For Heat Spy Accessories see page 5 NID NIS Wahl INSTRUMENTATION G ROU P DHS24 DHS26 DHS28 Series Wahl s Digital Infrared Thermometers with NIST traceable accuracy are the most advanced easy to use and durable Infrared Thermometers in the world aaa Their precision ground mirrors are protected by rare earth germanium filters and tightly focus infrared energy on the patented detector for accuracy as good as 0 3 full scale with 1 F C resolution Temperature readings are updated 3 times per second on a unique red liquid crystal display more readable than a black display The entire body is made of cast and extruded aluminum which pro
9. menu system The operating waveband has been carefully chosen to minimize errors due to uncertainty in emissivity and the effects of atmospheric vapor components Two models are available DHS520 and DHS520B Both provide wired RS232 serial communications The Wahl DHS520B also features user friendly Bluetooth wireless communications DHS520 DHS520B Specifications Temperature Range 1022 to 5432 F 550 to 3000 C Indication 4 digit LCD in view finder External backlit LCD display CONT AVG PEAK and VALLEY 9 field of view with 1 3 180 1 to 98 energy measurement area Eyepiece adjustable 3 75 to 2 5 diopters Measuring Mode Optical System 1m 39 3in to infinity 17 7 to 24 5 450 to 620mm with optional close up lenses e Digital Signal Processing Focusing Range e High Accuracy and Repeatability e Long Term Drift Free Measurement e Advanced Spectral Filtering for Enhanced Performance e Robust Ideal for Industrial Use e Choice of Data Logged Outputs Emissivity Range s Bluetooth Option available e Range of Optional Accessories e Continuous Peak Valley and Display Update Time Averaging Modes Accuracy e Multi Functional Display e Flexible User Configuration 8 5 215mm Fixed Focus with optional close up lenses 0 19 4 8mm at 39 3 1m 0 07 1 8mm with optional close up lenses 0 016 0 4mm with optional close up lenses Target Size Spectral Response um with advance
10. spectral filtering 0 10 to 1 20 in 0 01 step graduations Response Time 30ms 98 response 0 5 seconds 0 25 K of reading Repeatability lt 0 1 K of reading 32 t0 1222F 0 to 50 E Power Supply One MN1604 battery Output RS232 Bluetooth DHS520B only Dimensions Weight 8 75 x 3 06 x 6 75in 223 3 x 78 x 170mm 2 2 Ib 1 kg IP54 NEM A3 s Heat Treatment e Semi Conductors Sealin s Refractories e Steel e Glass Included Accessories Lens Cap Protection Window Filter Wrist Strap and Battery Rugged Waterproof Carrying Case Close up Lenses Datalogger HP iPaq Optional Accessories O O CD E pad gt Q D 3 ka J fab gt Q CD i i i DN 1 TA N Specifications subject to change without notice N S 08 06 800 421 2853 FAX 828 658 0728 www palmerwahl com INSTRUMENTATION GROUP Wahl Heat Spy Hybrid Infrared Thermometer DHS125XEL 9 The New DHS125XEL Hybrid from Wahl is an intelligent contact E 4 S and non contact infrared thermometer which goes beyond the con fg SU te ventional temperature measurement capabilities of other infrared thermometers DHS125XEL SPECIFICATIONS Distance to Spot Ratio 121 Temperature Range 25 to 1400 F 32 to 760 C ees t Technol f Accuracy 5 F 3 C From 25 to 4 F 32 to 20 C s mart technology Ambient Operating 3 F 2 C From 4
11. vides shielding against stray EMF from machinery and engines Factory Mutual Approved models for potentially explosive environments are also available see page 15 p Telescopic Sight For long distances 20 to 100 feet or precise aiming on small objects such as bolts thick cable tubing forgings and castings The Heat Spy T version telescopic sight provides sighting on the centerline of the infrared optics HEAT SPY Switchable Laser Aiming Sight BIS 8 Enclosed Optical Sight Highly visible narrow red light beam pinpoints objects up to 100 feet away Good choice for locating hot spots and For most applications the standard enclosed for centering on targets optical sight provides target definition at 4 feet and 20feet with parallax correction Features for AII Models i l e Adjustable Emissivity s Input Jack for Battery Pack ARES ITA DE D S e Maxitemp Peak Temperature Hold e F C Switchable Thousands have been in trouble free e Self Test e NIST Traceable Accuracy service for 10 years or longer We stand Auto Calibrat ee bians behind them with a three year warranty a a a l factory recalibration and service e Output to Recorder e Sighting and Display Options e AC Adapter e Three Year Warranty Display Options and Modes Display options for LCD and LED LCD is best for most uses Select LED for low light conditions HEAT SPY HEAT SPY e eo ee HEAT EPY i
12. with Switch on Back Light for Low Light Conditions e Low Drain Battery Operation with Low Battery Indicator e Display Hold of Last Reading for 6 Seconds e Bright Laser Aiming Beam for Precision Targeting e Safe Class Il 1mW Laser Beam Sights at 0 875 to Left of Target Center e Two Year Warranty DIRI IRE Advanced Features e Menu Selection of Maximum Minimum Average Temperatures and Maximum Differential e F or C Menu Selectable DHS110XL DHS110 Heat Spys perform in a wide variety of routine e Audible and Visual Alarm at HI LO Setpoint maintenance and inspection applications including e Menu Selectable Display of Battery Voltage or of Battery Life e Steam Traps Electrical Busses Motor Bearings e Memory Storage of Last Temperature Measured Paper e Plastic e Rubber e Glass e Painted Surfaces Ceramic s Chips e Asphalt s Wood e Stacks e Circuit Boards e Shells e Dies e Heat Treating e Chemical Processes e Furnaces e Wave Soldering e Wheel Bearings e Welding e Moving Machinery High Voltage Targets e Transportation Rotating Machinery Food Processin ee Distance e Storage e HVAC System Testing e Process Assembly Lines e Closed Robotic Assembly Areas J E 6j 20 DHS110 Series Heat Spy Distance to Target Size Ratio 10 1 For Heat Spy Accessories see page 5 PALNER Wahl INSTRUMENTATION GROUP DHS110XL DHS110XEL Pocket
13. 170mm 2 2 Ib 1kg WARRANTY eludes Aceves irat She atata 1o an Cap and a For Heat Spy Accessories see page 5 p p y Power Consumption ONE YEAR fa N A N INSTRUMENTATION G ROU P leat Spys DHS55 Narrow Spectral Range DHS55 For Liquid Metals is designed for accurate temperature measurement of liquid metals in iron and steel foundries The thermometer automatically compensates for ambient temperature changes and provides a fast response time 0 8 seconds and reliable reading in the extended range of 1830 to 3270 F 1000 to 1800 C Short wavelength operation 0 55um minimizes errors due to emissivity atmospheric absorption Target Size Target Size n nm ONE YEAR WARRANTY Specifications DHS56 Heat Spy Temperature Range 1830 to 3270 F 1000 to 1800 C 4 digit LCD in view finder 1 increments display held for 30 seconds after switch off blinking display warns that temperature is out of measurable range CONT PEAK AVERAGE Indication Measuring Mode MAX MEAN MIN 9 field of view with 1 3 measurement area Single lens reflex system Calculating Mode Optical System Focusing Range fixed at 16 4ft 5m Target Size 1 1 29mm at 16 4ft 5m Fixed Focus Spectral Range 0 55um Emissivity Range 0 10 to 1 00 in 0 01 graduations Response Time 0 8 seconds approximate Acc
14. Hand Held Non Contact TEO Thermometers www palmerwahl com PW1230 DHS100 DHS35 XT Heat Spy Table of Contents General Information lt lt e ee ees 3 Sighting INlOMMANONs 6 6 64 ttatantaxe chew R R TRAE Swe da R eee 4 Accessories and Applications 0 00 cece ee ees 5 Utility Heat Spys DHS100 SONGS 22856 webs ed ee ieee sk bia e ed cen beeen eee ear Rees we ed 6 7 General Purpose Economical entry level Heat Spy for general maintenance applications Model options for advanced menu driven functions and laser sighting Pocket Heat Spys DiSi10 SEES E S 0 R RE te t Urra Cee eure EE eee ERIE Cte eee awe ces 8 9 Pocket Series General Purpose Compact Heat Spy for general maintenance applications Laser sighting system Model options for advanced menu driven functions High Performance Heat Spys DA S20 OCES a E Redes Se bees a AG Pe Pa E ee ed 10 11 Expanded Capabilities and laser sighting PLUS the added feature of RS232 interface for com puter storage and display of readings Readings up to 1650 F 900 C Rugged and ergonomic design dual displays with secondary display for Max Min Avg etc DHS24 26 28 29 and S5XT is 959 RER RRR AR RR NR RRR RR RAEN RRR RRR RN 12 15 General Purpose superior accuracy and stability Will measure all normal materials including glass surfaces High temperature models DHS29 designed for measuring temperatures through glass ports DHS35XT designed
15. ING defines target area s DHS34S RECTANGULAR BOX defines target area e Low Temperature Range 50 to 1800 F 50 to 1000 C e Small targets from 0 35 20 Specifications 50 to 1800 F 50 to 1000 C All Values 3 C 6 F below 0 C 1 digit 1 of reading above 200 C Spectral Range 8 to 13 microns 8 to 13 microns Emissivit 0 10 to 1 0 adjustable 0 10 to 1 0 adjustable y at 0 01 increments at 0 01 increments 32 to 122 F 0 to 50 C Taraet Size 9mm diameter at 500mm g 0 35 diameter at 1 6 Power Supply 4 x AA alkaline batteries Battery Life 40 hrs Included Accessories Soft Padded Carrying Case with Belt Loop Lens Cap Hand Strap attached to unit Batteries Specifications are subject to change without notice ONE YEAR WARRANTY For Heat Spy Accessories see page 5 l PALNER Wahl INSTRUMENTATION GROUP 3 C 6 F below 0 C 1 of reading above 200 C 9 x 3mm at 500mm 0 35 x 0 12 at 1 6 4 x AA alkaline batteries e Large external LCD display e Memory recalls Maximum Minimum and Mean e Measures normal peak valley average values e Adjustable emissivity 0 10 to 1 00 e Analog and RS232 output The DHS34A and the DHS34S Heat Spy s feature the world s first auto focus Infrared Thermometer for easier and more accurate spot temperature measurements High preci sion genera
16. Industrial Glass Thermometers e Bimetal Dial Thermometers e Pressure Gauges and Accessories e Temperature and Pressure Recorders e Liquid and Mercury Filled Dial Direct Drive Dial Thermometer Systems e Heat Spy Imager Thermal Imaging Camera e Heat Spy Hand Held Infrared Thermometers e Heat Spy Monitor Fixed Infrared Sensors e Heat Prober RTD amp TC Meter Probe Thermometers e Digi Stem Digital Thermometers and Transmitters e Temperature Transmitters and Switches e Portable Electronic Temperature and Process Calibrators e Bench Top Electronic Temperature and Process Calibrators e Thermowells and Fittings e ASTM and Laboratory Thermometers e Process Thermometers e Sanitary Thermometers and Gauges e Thermometer Contract Manufacturing e Temp Plate Temperature Recording Labels e ln situ RTD and Thermocouple Probes and Connection Systems e Thermistor Probes and Connection Systems e Specialty Probes for OEM applications s Probe Extension Cables and Connectors e Bench Top Precision Thermometers e Ohmmeters Mega Ohmmeters e Cable Testers e Dataloggers for Temperature Humidity Barometric Pressure CO and Meteorological Conditions Modular Data Logger for Measuring Logging and Control e Hand Held RTD Dual Thermocouple and Combination Thermocouple and RTD Meters e Hand Held Pressure and Differential Pressure Meters Temperature Humidity and Dew Point Meters s Electronic Weather Stations Palm
17. N OFF LASER ON OFF BUTTON PALMERA Wahl INSTRUMENTATION G ROU P DHS250 DHS250M DHS250H DHS250HM Expanded Capabilities DHS250 Series DHS250H and DHS250HM for Ferrous and Non Ferrous Liquid Metal Glass and Ceramic e Laser Sighting System 50 1 Distance to Target Size Ratio nominal s Available RS232 interface and Windows compatible software for online data acquisition e Option for 1mV C Analog Data Output e Battery powered one 9V for portability rechargeable option e Dual Display with auto back light e Adjustable Emissivity 0 20 to 1 0 e Fahrenheit or Celsius scale selection e Readings for Maximum Minimum Average or Differential Value e Audible and Visual Alarm at HI LO Setpoint e Sleek ergonomic design with rubber bumper to protect the lens e Built in tripod mount and locking trigger mechanism e Stores up to 250 temperature readings DHS250M and HM DHS250M The DHS250 High Performance Series Heat Spys have the added capability of RS232 interface for computer storage and display of readings Plus Wahl introduces two new additions to the DHS250 Series Heat Spy the DHS250H and DHS250HM with readings up to 3272 F 1800 C Laser Active CIE Display Hold Symbol DHS250 with RS232 interface for online data acquisition Shown with optional TR19 tripod Selected 5 2in 13 2cm front to
18. Series Specifications 0 to 850 F 18 to 450 C Temperature Range Displays HI when target temp gt 851 F 455 C nominal Displays LO when target temp lt 20 F 28 C nominal Bright laser sight Class II 1mW 0 5 left of target center Greater of 2 of reading or 3 F 2 C Greater of 1 of reading or 2 F 1 C an ee ee to 1 00 user selectable Automatically switches to AVERAGE mode for emissivity lt 0 3 Temperature Display F or C menu selectable 3 digit LCD Ambient Operating Conditions 32 to 120 F 0 to 50 C at relative humidity of 10 to 90 noncondensing Storage Temperature 13 to 158 F 25 to 70 C without battery Power Supply 9V Alkaline included or NiCad battery Battery Life with alkaline 150 hours with backlight off Laser and backlight operation will reduce battery life Display icon flashes when low menu recalls life remaining and actual voltage DHS110XL Display DHS110XEL Display Wahl INFRARED THERMOMETER DISPLAY HOLD LOW BATTERY INFRARED THERMOMETER DISPLAY HOLD INDICATOR INDICATOR INDICATOR EMISSIVITY Battery Life indicator Display icon flashes when low LOW BATTERY INDICATOR HI LO ALARM FAHRENHEIT TEMPERATURE FAHRENHEIT READING CELSIUS TEMPERATURE READING BACKLIGHT CELSIUS INDICATOR MAX MIN AVE AT BACKLIGHT MODE INDICATORS ON OFF BUTTON LIGHT BUTTON MENU BUTTON BACKLIGHT INDICATOR ON BUTTON ON BUTTON LASER O
19. Sight A high coherence laser aiming beam adds a powerful dimension to precise temperature measurements The laser places a visible red dot on the center of the target surface The Heat Spy can be held in any position and at any level It is especially useful in cramped areas and in awkward conditions such as standing on ladders and platforms The laser is very effective indoors under all lighting conditions and useful in low light conditions outdoors Laser energy from low reflective targets such as painted surfaces or oxidized metals is con sidered safe for viewing All Wahl laser sighting systems meet Federal Safety Regulations It is important to note that the laser beam is a sighting device only and that the displayed temperature when using a laser equipped Heat Spy is not the reading at the laser spot The area being measured is always dependent upon the size to distance ratio of the Heat Spy Telescopic Sight Distance to Target size ratio for DHS100XEL Heat Spy spot diameter 10 1 nominal spot distance to diameter ratio Laser Sight measuring distance Ve Wahl INSTRUMENTATION GROUP Heat Spy Accessories Applications Heat Spy Accessories E Se A oe 29 amp 35 Series Series Series Series Series meas ooo onan T Tans ae T Tas oen enag passeatas e oo f om amais TR SS ORS magas fe S SS na a S A E E OO A A anne O y
20. Warranty Please see page 15 for a complete listing of DHS29 specifications ___DHS35XT Features e Measures furnace tube temperatures through open ports e High temperature Range 800 to 3200 F 426 to 1760 C e Narrow spectral range of 3 5 4 1 microns DHS29X e Specialized Reflex Sighting to enable readings from very small target areas e Minimizes errors caused by the reflectance from walls and flames e Does not measure through glass ports e Best choice for high temperature general purpose operations e Offered with telescopic sighting system only e 3 Year Warranty Please see page 15 for a complete listing of DHS35XT specifications DHS35XT 30 20 10 DHS29 and 35XT Series Heat Spy Distance to Target Size Ratio 100 1 For Heat Spy Accessories see page 5 PALNER Wahl INSTRUMENTATION GROUP DHS24 DHS26 DHS28 DHS29 DHS35XT Series DHS24 26 28 29 amp 35 Specifications DHS24 LED DHS26 LED DHS29X LCD SSS DHS24X LCD DHS26X LCD DESEO ANCE DHS29XT LCD ba IECY eee 0 to 1000 F 0 to 2000 F 32 to 2500 F 900 to 3200 F 800 to 3200 F P g 20 to 550 C 20 to 1000 C 0 to 1380 C 482 to 1760 C 426 to 1760 C 25 to 125 F 4 to 52 C LCD 1 9V Alkaline Battery LED 2 6V Batteries Carrying Case Spare Battery Owner s Manual Trigger Lock AC Adapter Specify 110V or 220V AC Speci
21. ange and scale options Certification Services Available PALNER Wahl INSTRUMENTATION GROUP Heat Spy General Information Hoy Does the Heat Spy Work All solid objects emit infrared energy above absolute zero The amount of energy emitted is proportional to the body or target temperature Wahl s Heat Spy directs this energy by means of fixed focus optics into a sensitive detector which is amplified and processed by the micro processor to tem perature readings in F or C It is fast because it collects Infrared energy at the speed of light and the detector has a very low mass The time constant is 0 1 second about 10 times faster than conventional contact methods Measurements are displayed in less than one second Some Heat Spy s offer an analog output option of 1mV deg for recording while others fea ture RS232 computer interface Infrared Themometer Source E Emitted Energy R Reflected Energy T Transmitted Energy Source Temperature at a Distance You can stand 1 to 40 feet away and conveniently measure tempera ture of bearings kiln and furnace walls locate hot spots in reactor shells steam piping and insulation surfaces Specialty models can be used up to 300 feet away from your temperature target Temperature of Moving Material Moving materials require two Heat Spy features not available by any other measurement method non contact with
22. back parameter 4 Digit 4 5mm D lt 1 8in 4 6cm To choose wide Laser ON OFF adjustable L parameter To change parameter value CC ONE YEAR N ba D Weight 12 oz 340g WARRANTY Na Wahl INSTRUMENTATION G ROU P DHS250 DHS250M DHS250H DHS250HM Specifications Model Number High Performance High Temperature High Temperature Heat Spy with High Performance High Performance Internal Memory Heat Spy Heat Spy with Internal Memory High Performance Description Heat Spy 25 t0 1602 F 29 OOo 2 302 to 3272 F 302 to 3272 F 32 to 900 C 32 to 900 C 150 to 1800 C 150 to 1800 C 8 to 14um 5 14um User switchable F to C 0 20 to 1 0 adjustable Temperature Range Spectral Range Measurement Scale Emissivity Accuracy 1 of reading or 2 F 1 C whichever is greater at an ambient temperature of 73 F 23 C and emissivity of 1 0 Repeatability Temperature Coefficient 0 03 C at 23 C 0 5 of reading Response Time 0 15 seconds IR Detector Thermopile Distance to Target 50 1 nominal Lens Aperture 20mm Display Illumination Automatic in low light Main Display F and C switchable with a 4 digit 9mm LCD display Resolution 0 1 to 999 9 F 900 C F and C switchable with a 4 digit 4 5mm LCD display Resolution 0 1 from 14 to 392 F 10 to 200 C in average mode 1
23. d R Measured temperature is PEAK holds highest TEST mode flashes room BATT displays low battery means measurement updated 3 times per sec measured temperature temperature to show Heat HLP flashes when instru is over or under the ond on large LCD and is especially usefulin Spy is working properly ment is out of specification range of the instrument high temperature scans NOTIS Wahl INSTRUMENTATION GROUP DHS24 DHS26 DHS28 Series HHR Series Features fz e Superior accuracy and sensitivity between 0 to 1000 F 20 to 550 C e Accuracy of 0 3 of full scale e Repeatability of 1 F e Anti reflective filter for accurate use in strong sunlight or other light Sources e Applications include all normal materials including glass surfaces e Not affected by IR heaters carbon dioxide or water vapor will not measure through glass DHS24 L e Sighting options and FM approved models available e 3 Year Warranty Please see page 15 for a complete listing of DHS24 specifications HHR Series Features e Features listed above Plus e Wider temperature range 0 to 2000 F 20 to 1000 C e Accuracy of 0 3 of full scale e Application for all normal material including glass surfaces e Sighting display and FM options available e 3 Year Warranty Please see page 15 for a complete listing of DHS26 specifications DHS24 XT
24. easurement refers to the ability of the meas ured surface to emit radiation Surfaces vary in emissivity and this must be taken into account before accurate readings can be obtained The emissivity ratio represents the amount of radiated energy the measured surface allows to be returned to the instru ment A return of 100 of the energy is measured as 1 0 emissivity lf all the radiated energy is reflected and or transmitted and none emitted the emissivity ratio is 0 0 A perfect radiator such as a black body has a 1 0 emissivity ratio and a very shiny or highly pol ished surface has a ratio of 0 2 or lower Most textured or painted Surfaces have an emissivity ratio of around 0 95 Many Heat Spy thermometers feature adjustable emissivity from 0 10 to 1 00 Other Heat Spy s without adjustment are set at 0 95 and include instruc tions on how to adjust readings to take low emissivity into account For a copy of the Emissivity of Common Materials please contact Customer Service at 1 800 421 2853 or email us at sales palmerwahl com Na ay Wahl INSTRUMENTATION G ROU P Sighting with the Heat Spy Understanding the relationship of target size to spot size is critical ment the spot size should always be smaller that the target size to obtaining accurate temperature readings with any infrared ther since the instrument will average the temperatures of everything mom
25. enheit 5 4 17 40 29 94 3 Fahrenheit 5 4 17 40 59 94 3 Fahrenheit 5 4 17 41 29 102 2 Fahrenheit 5 4 17 41 59 90 7 Fahrenheit DHS215XEL interfaced with a laptop computer via USB ae SE cable and Heat Spy Data Logging software for online data acquisition Shown with optional tripod WARRANTY Specifications subject to change without notice PW1231 06 06 PA N i Wahl INSTRUMENTATION GROUP DHS85XL DHS115XL DHS115XEL DHSI35XEL DHS215XEL Specifications Model Number DHS85XL DHS115XL DHS115XEL DHS135XEL DHS215XEL Temperaire Rande 4 to 619 F 25 to 999 F 25 to 999 F 58 to 1832 F 58 to 1832 F p g 20 to 326 C 327 t0 535 C 32 10 535 C 50 to 1000 C 50 to 1000 C Spectral Range 5 to 14um 8 to 14um 8 to 14um 8 to 14um 8 to 14um Fixed at 0 95 Fixed at 0 95 Adjustable 0 10 to 1 00 Adjustable 0 10 to 1 00 Adjustable 0 10 to 1 00 F 3 C from 25 to 4 F 32 to 20 C 5 0 F 3 C from 58 to 4 F 50 to 20 C ne F 42 C from 4 to 212 F 20 to 100 C 3 0 F 2 C from 4 to 212 F 20 to 100 C 2 from 212 to 999 F 100 to 535 C 2 from 212 to 1832 F 100 to 1000 C Repeatability 2 F 1 C 2 F 1 C 2 F 1 C 2 F 1 C 2 F 1 C 0 1 F 0 1 C 0 1 F 0 1 C 0 1 F 0 1 C 0 1 F 0 1 C 0 1 F 0 1 C 32 to 122 F 32
26. er Wahl Warranty Manufacturer warrants all products listed in this catalog to be free from defects in material or workmanship under normal use and service The Manufacturer agrees to repair or replace any product which upon examination is revealed to have been defec tive due to faulty workmanship or material if returned to our fac tory transportation charges prepaid within the product specific warranty period stated in the catalog by the manufacturer This warranty is in lieu of all other warranties expressed or implied and of all obligations or liabilities on its part for damages including but not limited to consequential damages following the use or misuse of instruments sold by the Manufacturer No agent is authorized to assume for Manufacturer any liability except as set forth above 234 Old Weaverville Road Asheville North Carolina 28804 1228 Phone 800 421 2853 828 658 3131 Fax 828 658 0728 Email info palmerwahl com www palmerwahl com PW1230 12 05 Wahl Heat Spy DHS85XL DHS115XL DHS115XEL Introducing Wahl s Brand New Line of Heat Spy Hand Held Infrared Thermometers America s most innovative thermometer company Palmer Wahl manufactures precision temperature instruments Wahl was the first to bring the industry a portable non contact handheld infrared thermometer at an affordable price point Today Wahl is pleased to introduce five new models to our famous line of Heat Spy Inf
27. eter Target size is the size of the object whose temperature inside the spot The spot size is expressed as a fraction of the dis you are measuring Spot size is an indication of the diameter of the tance to the target For example a 10 1 instrument has a spot size of measurement area of the instrument Picture a flashlight as you 1 foot at 10 feet from the target shine it on a wall the size of the bright spot on the wall gets larger The distance to spot size ratio is specified for all Heat Spy models as you move away from the wall The same is true of the spot size for an infrared thermometer For accurate temperature measure Open Sight Open sighting simplifies Heat Spy operation and keeps cost low Target size increases with the distance and must always fill the field of view to achieve the instrument s rated accuracy Distance target ratios are specified on all open sight Heat Spy models Open Sight Enclosed Optical Sight This sighting system allows more precise target definition with parallax correc tion at 4 feet and 20 feet Distance to target ratios apply and are specified for all Heat Spy s incorporating enclosed optics Telescopic Sight Some Heat Spy models offer telescopic sighting options for long distance up to 300 feet or precise aiming applications such as bolts wire tubing forg ings and castings Telescopes provide sighting on the centerline of the infrared optics Enclosed Optical Sight Laser
28. fications are subject to change without notice Model No Suffix Codes and Availability sm wm u e u efjri F amp C LED F amp C LED F amp C LED F amp C LED F amp C LCD F amp C LCD Heat Spy Series enclosed enclosed laser sight laser sight laser sight laser sight optical sight optical sight 1mW 5mW 1mW 5mW F amp C LED F amp C LCD telescopic sight telescopic sight ee en owe ow wa we w em wm e we me e mm wee oa mf mm me fm fm w e w om om fom om we Toes om fom fm fm e Specifications are subject to change without notice FM Factory Mutual approved model is available where noted above THREE YEAR To specify FM model modify the model number or suffix by adding F for Fahrenheit or C 3 for Celsius scale then add FM to the model number EXAMPLE DHS24XC FM or DHS26XTF FM WARRANTY Factory Mutual approved for use in Class and Il Groups C D E F and G hazardous locations Factory Mutual FM approved models do not include the following Heat Spy features or options F C switch order dedicated Fahrenheit or Celsius model 1mV degree output AC Adapter laser sighting B ae NID Wahl INSTRUMENTATION G ROU P as T M Temperature Low Range Operating Temperature DHS34A DHS34S Auto Focus e AUTO FOCUS for comfortable one hand operation e DHS34A RETICLE R
29. in all modes 13 to 158 F 25 to 70 C without battery 9V Alkaline included or NiCad battery 150 hours with backlight off Laser and backlight operation will reduce battery life Display icon flashes when low DISPLAY HOLD INDICATOR FAHRENHEIT CELSIUS BACKLIGHT INDICATOR BACKLIGHT BUTTON 5 readings per second Yes 5 5 x 2 0 x 8 5 inches 140 x 51 x 216 mm 11 2 oz 318 gm Zip up soft carrying pouch with D ring Wrist strap DHS100XEL Display LOW BATTERY INDICATOR HI LO ALARM TEMPERATURE READING MAX MIN AVE AT MODE INDICATORS DOWN BUTTON LASER INDICATOR isl MAX MN AVE AT 7 HEAT SPY DHS 100XEL E EN j I a LASER ON DISPLAY HOLD INDICATOR EMISSIVITY FAHRENHEIT CELSIUS BACKLIGHT INDICATOR UP BUTTON AND BACKLIGHT BUTTON MENU BUTTON Display icon flashes when low PA V Wahl INSTRUMENTATION GROUP eat Spys DHS110XL DHS110XEL Pocket Series Compact and economical Pocket Heat Spy for quick handy general purpose maintenance use Laser sighting on all models _DHS110XL and DHS100XEL Features e Rugged Light Weight Construction allowing Quick Use and Easy Carrying e Temperature Measurement Range of 0 to 850 F 18 to 450 C e Accuracy 23 C 5 C greater of 2 of reading or 3 F 2 C e Large Easy To Read LCD Digits
30. l maintenance applications ___Features for All Models e Rugged Light Weight Construction allowing Quick Pointing and Easy Carrying s Temperature Measurement Range of 0 to 850 F 18 to 450 C e Accuracy 23 C 5 C greater of 2 of reading or 3 F 2 C e Large Easy To Read LCD Digits with Switch On Back Light for Low Light Conditions Low Drain Battery Operation with Low Battery Indicator e Display Hold of Last Reading for 6 Seconds e F or C Range Selectable e Two Year Warranty e CE Compliance ___DHSI00XEL Model Features Advanced Menu Driven Models e Menu Selection of Maximum Minimum Average Temperatures and Maximum Differential e Adjustable Emissivity of 0 10 to 1 00 e F or C Menu Selectable e Audible and Visual Alarm at HI LO Setpoint DHS100XL e Menu Selectable Battery Voltage and of Battery Life Displays e Memory Recalls All Previous Temperature Selections until Next Reading is Taken Laser Sighting Models e Bright Laser Aiming Beam for Precision Targeting e Safe Class Il 1mW Laser Beam Sights at 0 5 above Target Center 15cm 51em 09M 1 5M DHS100XEL Display DHS100 Series Heat Spy Y fas Distance to Target Size Ratio 10 1 J E For Heat Spy Accessories see page 5 PALN INSTRUMENTATION GROUP DHS100XL DHSLOOXEL Specifications Temperature Range Accuracy at 23 C
31. l purpose thermometers the DHS34A offers a reticle field of view and the DHS34S has a rectangular field of view Applications DHS34A s Electrical inspection e Mechanical inspection e Insulation checks e Steam trap inspection s Routine maintenance DHS34S e Cable splices e Insulators and switch points s Electrical inspection e Routine maintenance s Power and utilities TR oam la Ho Y a DHS34 Series Heat Spy Distance to Target Size Ratio 60 1 DHS54 DHS54A Wide Temperature Range e DHS54 RS232C Digital Output e DHS54A Analog Output s Reflective Error Compensation e Measures through glass ports e Measures high temperature surfaces with small target diameter from 0 8 inches e Optional close up lens allows measurement as small as 0 016inch 0 4mm diameter e Built in eye protection filter for high temperatures s F or C switchable Internal display shows temperature s External display shows temperature emissivity out of range battery status e Variable focusing from 39 inches 1 meter to infinity e Narrow spectral range reduces errors due to emissivity and atmospheric absorption e Handle detaches for mounting in continuous Specifications monitor mode DHS54 DHS54A Use the DHS54 Series Heat Spy in tough hostile Temperature Range 930 to 5800 F 500 to 3200 C industrial environments This rugged dust proof ther mometer measures high temperature surfaces wi
32. probe to determine emissivity 10 point memory log that can save current temperature and MAX MIN AVG AT and T C e Electronic Trigger Lock which allows for continuous readings e Heat Spy Data Logging Software __DHS135XEL Model Features Fully featured unit e Long distance 30 1 D S Ratio e High temperature up to 1832 F 1000 C 10 point memory log that can save current temperature and MAX MIN AVG AT e Electronic Trigger Lock which allows for continuous readings Picture of digital display on models DHS135 and DHS215 DHS215XEL shown with optional TC869 45 Spring Articulated Surface Probe rugged Delrin handle ANSI mini connector and 5 foot flexible compensated cable Visit www palmerwahl com gt Hand Held Instruments gt Heat Prober RTD amp Thermocouple Temperature Meters Product Line for optional probes The DHS215XEL can be interfaced with a computer via the supplied USB cable and Heat Spy Data Logging software The software provides a conven ient way to log temperature readings at user selec table time sampling intervals of 1 second to 999 hours in 1 second increments Temperature data is generated with a date and 24 hour format time stamp in a text file format that can be used by programs such as Excel Access and Word for further analysis graphing and report writing High Performance Infrared Thermometer Item Date Time Temperature Unit 1 5 4 17 39 59 75 9 Fahr
33. rared Thermometers These incredibly accurate and robust Heat Spy s will help you diagnose any problem and prevent costly equipment downtime The variety of features enable you to select the most appropriate Heat Spy for your application APPLICATIONS e Quality Non Destructive Testing s Electrical Troubleshooting Manufacturing Process Control s Diesel Fleet Maintenance s Plant Facilities Maintenance e HVAC Refrigeration e Automotive Repair and Diagnostics DHS115XEL and DHS115XL e Used for short range 12 1 D S Ratio e Temperature Range to 999 F 535 C e Easy Aiming e Quick Response e Easy to locate a hot spot e Same great features as the 115XL e Includes Hi Low Alarms MAX MIN AVG AT calculations e Adjustable Emissivity for better accuracy e 10 points of memory to record temperature e Electronic trigger lock which allows readings to be taken continuously e The most economical and highest performing Heat Spy in its class 1 8 4 D S Rati gt DHS85XL a Used for close range 8 1 D S Ratio E 5 ONE YEAR e Maximum temperature 619 F 326 C PA M R Wahl Specifications subject to change without notice INSTRUMENTATION GROUP PW1231 06 06 Wahl Heat Spy DHS215XEL DHS135XEL A Loaded features provide s Extra Long Distance 50 1 D S Ratio e High Temperature 1832 F 1000 C e Type K Thermocouple ANSI mini connector input for
34. t e Gun Stock Mounted and Balanced for Comfort G HSA201 shown with B 11 Bench Stand e Tripod Fitting Included e Emissivity control Maxi Temp Peak Hold Millivolt Output to a Recorder and Rugged Carrying Case are Standard WARRANTY e 100 hours continuous operation on two 9 volt batteries Specifications Temperature Low Range 18 to 180 F 10 to 100 C Needle swing shows High Range 36 to 360 F 20 to 200 C differential temperatures Dual Range C 10 to 100 C 20 to 200 C A Dual Range F 18 to 180 F 36 to 360 F Meter Accuracy 1 FS Zero Calibration 18 to 180 F 10 to 100 C 36 to 360 F 20 to 200 C 10 to 100 C 20 to 200 C 18 to 180 F 36 to 360 F Heavy Duty Tripod adjustable tilt Ambient Temperature 0 to 50 C 32 to 120 F Power Supply Life 2 9V Batteries 100 hours Included Accessories Carrying Case Batteries and Manual 9V Alkaline Battery 2 required Bench Stand HSA201 Heat Spy For Heat Spy Accessories see page 5 Distance to Target Size Ratio 300 1 Wi Wahl INSTRUMENTATION GROUP PALMER INSTRUMENTS INC Wahl INSTRUMENTS INC Wahl Heat Spy Infrared Thermometers are distributed by LLA Wahl INSTRUMENTATION G ROU P The World s Finest Manufacturers of Industrial Temperature Pressure and Humidity Instrumentation s
35. th small target diameters from 0 8 inches Adjustable focus and through the lens viewing allow you to sight the target while reading temperatures The DHS54 has RS232C digital output the DHS54A has an RS232C Calculating Mode and an analog output of 1mV A background reflec tion compensation function is provided for accurate measurement of targets in hotter surroundings Target Size in mm 285 7 i 8 4 digit LCD in view finder 1 increments over and under range warnings External display 4 digit LCD of temperature emissivity mode battery level over and under range warnings CONT PEAK VALLEY MAX MEAN MIN Measuring Mode 8 field of view with 1 3 measurement area Eyepiece adjustable 3 75 to 2 5 diopters Optical System Distance to Target 180 1 Target Size 0 18 4 8mm at 39 3 1m 0 8 to 1 1um 0 10 to 1 30 in 0 01 graduations Spectral Range Emissivity Range Response Time 0 45 seconds 98 response 0 5 of reading 1 digit in ambient temperature 64 to 82 F 18 to 28 C e 1 00 Accuracy 65 6 20 0 15 of reading in ambient temperature 64 to 82 F 18 to 28 C e 1 00 32 to 122 F 0 to 50 C 4 to 131 F 20 to 55 C Repeatability Operating Temp Range Storage Temp Range Power Supply Life Six AA batteries or optional AC adapter approx 95 hours 20mA DHS54 approximate 25mA DHS54A approximate Dimensions Weight 8 75 x 3 06 x 6 75in 223 3 x 78 x
36. the process material and fast measurement of rapidly moving materials Measure contin uously moving solid materials such as plastic film and extrusions pulp and paper textiles rubber steel sheet coating or paint Temperature of Small Low Mass Materials Electronic components or other small or low mass items can be measured with a Heat Spy where a contact thermometer would change the measured condition through heat transfer OUTPUT JACK MIRROR OPTIONAL MICROPROCESSOR FILTER DETECTOR PROCESS TARGET DETECTOR SIGNAL AMPLIFIER DIGITAL OR ANALOG DISPLAY STANDARD 9V BATTERY Temperature of Areas Too Hot to Approach Safely In foundries forging shops glass factories and power plants Heat Spy s can allow you to stand away from heat or high voltage to measure temperature up to 5800 F 3200 C Temperature of Rough Surfaces The Heat Spy does not require contact with the target It measures rough and uneven surfaces and averages temperature readings of the observed target area It affords users an efficient method of measuring the temperature of granular materials rough castings and forgings Temperature Requiring Quick Measurement Opening and closing of injection molding dies requires temperature to be measured in less than 2 seconds The Heat Spy is ideal for use with rotating machinery large motor armatures and drive couplings for example Heat Spy Emissivity Emissivity in Infrared m
37. to 122 F 32 to 122 F 32 to 122 F 32 to 122 F Operating Temperature 0 to 50 C 0 to 50 C 0 to 50 C 0 to 50 C 0 to 50 C 2 of reading or 2 C Accurac y whichever is greater 10 90 RH 10 90 RH 10 90 RH 10 90 RH 10 90 RH 14 to 140 F 14 to 140 F 14 to 140 F 14 to 140 F 14 to 140 F 10 to 60 C 10 to 60 C 10 to 60 C 10 to 60 C 10 to 60 C e H H H H H RR T RE R HE TR E E Power Supply 9V NEDA 1604 9V NEDA 1604 9V NEDA 1604 9V NEDA 1604 V NEDA 1604 16 hrs for continuous 15 hrs for continuous Battery Life operation with operation with Laser Off Laser Off cacrswitchable Ys es ee Laser Laser Sight Switchable Laser Sight Switchable User Selectable Class II Laser less than 1mW Automatically after Automatically after Automatically after Automatically after Automatically after Auto Power Off approx 6 seconds approx 6 seconds approx 6 seconds approx 6 seconds approx 30 seconds e T e e Audible Alarm o w w Yes 10 r 10 Point Memory ae Yes Yes Electronic Trigger Lock Electronic Trigger Lock Lock lt Yes Yes Tripod Mount Tripod Mount OO M Yes Yes USB Data Output Data USB Data Output OO M M Yes Type K Thermocouple Type K Thermocouple Thermocouple a Yes Operating Software Operating Software NA Software Cd Included 5 9 x 3 2 x 1 3 6 8 x 3 6 x 1 8 x 5 0 x 1 9
38. uracy 1 of reading 1 digit in ambient temperature 64 to 82 F 18 to 28 C e 1 00 Repeatability 0 3 of reading 1 digit in ambient temperature 64 to 82 F 18 to 28 C e 1 00 Operating Range 32 to 122 F 0 to 50 C Storage Range 4 to 131 F 20 to 55 C Power Supply One 9V battery Power Consumption 20mA with display on approximate 5mA with display off approximate Dimensions Weight 8 2 x 2 75 x 6 1in 208 x 70 x 154mm 1 76 Ib 0 8kg Included Accessories Locking Hard Carrying Case with Shoulder Strap Wrist Strap attached to unit Lens Cap and Battery Specifications are subject to change without notice For Heat Spy Accessories see page 5 PALNER Wahl INSTRUMENTATION GROUP HSA201 Telematic Heat Spy for Long Distance Targets Preferred by maintenance engineers for checking distant targets such as transmission lines trans formers and insulators Special shielding from EMI interference Ideal for preventive maintenance in refinery steel and chemi cal processing Searches out hot spots Rr on stacks kilns and reactors at a safe Sa convenient distance Features e Easy to use E MA HEAT Ser THERMOMETER e Easy Scanning for Hot Spots e Maxi temp Switch Holds Needle for Precise Readings e 300 to 1 Distance to Target Size Ratio e Measures from 300 feet away e High Precision Crosshair Telescopic Sigh
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