LD-3 built-in temperature sensor optional external sensor connect for expand measurement range buzzer inside provide sound alarm. LCD display show current temperature record points calendar over-temperature alarm info Max/Min temp info since power-on much powerful function than other recorder.

Using CR2450 battery use any coin can easy to replacement of the battery from rear cover. Data can be saved for 30 years without loss use can free to manage data from host PC software. The data could be queried saved printed and exported in Word/Excel/TXT /PDF format.



• Temperature unit: C or F optional;
• Temperature measuring range:-30C~+60C;
                                               -30C~+85C(external sensor);
• Accuracy: ±0.3C(-20C~ 40C); Others ±1C;
• Resolutio: 0.1C;
• Record capacity: 20000points(MAX);
• Record interval: 5s~18hour adjustable;
• Alarm: LCD buzzer and sound alarm;
• Protection grade: IP67;
• Communication interface: USB interface;
• Power supply: inner CR2450 battery or power supply via USB interface;