Thermometer RST FG-100 soldering iron thermometer features:0.2mm CA sensor can accurately and quickly measure the temperature of the soldering tip, suitable for lead-free solder;The tip temperature can be measured at any angle according to the shape of the tip;With automatic shutdown function, when the thermometer is not in use for 3 minutes, the power will automatically turn off;<br> There is a high temperature function for recording the welding tip. When the [MAX HOLD] button is pressed, the high temperature record of the welding tip is displayed.Battery low battery display and sensor damage display.<br> Soldering Iron Tip Thermometer Tip Temperature Tester 0-700 CelsiusTip thermometer providing reliable temperature control of soldering iron tips.Compact design saves your workspace and allows you to easily carry it around.<br> When the button "MAX HOLD" is pressed, "MAX HOLD" will be displayed and the highest temperature of Iron will be held in the display.MAX HOLD : 'MAX HOLD' is displayed at the lower right of the LCD.Operating environment Ambient temperature/humidity range : 0 to 40 Celsius, 20 to 90%RH (without condensation)<br> Environmental conditions Applicable rated pollution degree 2 (According to IEC/UL 61010-1)<br> Style:Handheld<br> Display Type:Digital<br> Model Number:FG-100<br> Usage:Industrial<br> Theory:Temperature Sensor<br> Allows you to measure from any desired direction according to tip shape<br> Auto Shut-Off Function<br> If no measurement operation is performed within 3 minutes, the power will be automatically shut off.<br> MAX HOLD Function<br> Easy-to-read temperature<br> Large and clear display<br> Digital temperature display make to read it accurately<br> Compact Size<br> Convenient to carry and saves your workspace<br> Power supply 006P 9V dry battery<br> Temperature resolution 1 Celsius<br> Temperature measurement range 0 to 700 Celsius<br> Temperature precision 3 Celsius (300 to 600 Celsius)<br> 5 Celsius (other than above)<br> Temperature sensor K (CA)type thermocouple<br> Display LCD : 3 1/2digits<br> Besides measured temperatures,display indications include the following:<br> Battery low alarm<br> Burnout alarm<br> colour:blue<br> Material:ABS+ metal<br> size:Product size: about 68*140*38mm<br> Display Size:1.9 Inches & Under<br> Package Contents:<br> 1 x FG-100 Soldering Iron Tip Thermometer<br> 5 x Lead Free Sensor Set<br> Note : When battery low alarm appears, be sure to replace the battery. Failure to do so will result in incorrect temperature measurements.<br> Only the above package content, other products are not included.<br> Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.