Digital thermometer HAKKO 191 for testing the temperature of a soldering tip

HAKKO 191  Digital thermometer 

 Measurement range: 100~600?
- Measurement accuracy: +-3? (in the range of 300~500?)
- Temperature sensors: thermocouple ?ype K (NiCr-NiAl)
- Display: 3-digit LCD display
- Power supply: 1 battery 9V 6F22 
- Dimensions (LxWxH): 160x80x45mm