รายละเอียดสินค้า : 

• When pressing ON/OFF key the instrument switches on; by pressing it again, instrument switches off
• S/F key allows to select selecting the time constant
• By hold the MAX key, you display the maximum value considered automatically by the instrument, by the switching on or since pressing RESET MAX
• Automatic shutdown of the instrument in measuring can be disabled by moving the jumper in the battery compartment