1. Temperature measuring and displaying range: -40℃~+120℃.
2. Accuracy:±0.5℃(within meansuring temperature ±20℃); ±1℃(other meansuring range).
3. Resolution: 0.1.
4. Recording cycle: 2s~24H continuous adjustable(under normal mode);10s~24H continuous adjustable(under low consumption mode).
5. Adjustive step by: 1 second within 1 minute;1 minute when other range.
1. Memory capacien: 16000 points. 2. Environment applicable:temperature-35℃~+70℃;humidity 0%~95%. (No condensate). 3. Lithium battery continuous: continues working for 1~2 years, depend on. 4. Actual use instance. 5. Data output: RS-232 speed 19200. 6. Sensor: PT1000. 7. Safe level: IP65.