Temperature/RH Dual Temperature ATH4 - Dual Temperature Accessory Head SPK3 - Rod and IR Temperature Pocket Style Tool ST4 - Dual Temperature Meter Psychrometers AAT3 - Hot-wire Anemometer & Psychrometer Accessory Head ARH4 - Digital Psychrometer Accessory Head ARH5 - Psychrometer Accessory Head JL3RH - Job Link® System Flex Psychrometer Probe SDP2 - Dual In-Duct Psychrometer SRH3 - In-Duct Diagnostic Psychrometer Infrared ATIR3 - Infrared Temperature Accessory Head SPK3 - Rod and IR Temperature Pocket Style Tool Thermocouples ATA1 - K-Type Thermocouple with Alligator Clip ATAF1 - High Temperature K-Type Thermocouple with Alligator Clip ATB1 - K-Type Thermocouple ATBF1 - High Temperature K-Type Thermocouple ATC1R - Pipe-Clamp Thermocouple 1/8” to 3/4” for Refrigeration ATEXT10 - 10’ Extension Cable ATF1 - Rod K-Type Thermocouple for Fluids ATR1 - Piercing K-Type Thermocouple for Ventilation Ducts ATS1 - Disk K-Type Thermocouple for Surfaces ATWB1 - K-Type Wet Bulb (sock) Thermocouple with Alligator Clip TC24 - Pipe-Clamp Thermocouple 3/8” to 1 3/8” for Air Conditioning TC48 - Large Pipe-Clamp Thermocouple 3/4” to 4 1/8” Pocket Thermometers SIG1 - Gun Style IR Thermometer SIL2 - Pen Style IR Thermometer with LED Flashlight SIP3 - Shirt Pocket IR Thermometer SIR2 - Infrared Thermometer with Laser Sight SPK1 - Pocket Knife Style Thermometer SPK2 - Folding Pocket In-Duct Thermometer SPK3 - Rod and IR Temperature Pocket Tool SWT2 - Water Resistant Thermometer