Thermometer FG-100 soldering iron thermometer features: 0.2 mm K-type (CA) sensor for accurate and fast measurement of soldering tip temperature, suitable for lead-free solder; Measures tip temperature at any angle according to tip shape; Automatic shutdown function—device powers off after 3 minutes of inactivity; MAX HOLD function records and displays the highest measured temperature when the [MAX HOLD] button is pressed; Low battery indicator and sensor fault indicator; Temperature measurement range: 0–700°C; Temperature resolution: 1°C; Accuracy: ±3°C (300–600°C), ±5°C (outside this range); Thermocouple type: K (CA); Display: 3½-digit LCD, 1.9 inches or smaller; Operating environment: 0–40°C, 20–90% RH (non-condensing); Pollution degree: 2 (per IEC/UL 61010-1); Style: Handheld; Display type: Digital; Model number: FG-100; Usage: Industrial; Material: ABS + metal; Product dimensions: approx. 68 × 140 × 38 mm; Power supply: 9V alkaline battery (006P); Package includes: 1 × FG-100 Soldering Iron Tip Thermometer, 5 × lead-free sensor sets.