Technical parameters:
1. Power supply: 2.4Ah 3.6V one non-chargeable lithium battery (when the Data Logger is availably connected to the computer, power is supplied through the USB port)
2. Temperature measuring rang: External sensor: -40.0℃~ 70.0℃ Inner sensor: -30.0℃～50.0℃
3. Accuracy of temperature measuring: at normal temp.±0.5℃(-20℃~20℃); at ±1℃（other ranges）
4. Resolution: 0.1℃
5. Recording cycle: 2s~24h continuous set or 1 week ~ 6 months distributed automatically
6. Sensor: NTC
7. Real-time transfers: the Interval time (10s~ 24h) adjustable.
8. Recording capacity: DL-30: 3900poits DL-31: 8000 points DL-32: 16000 points.
9. Applicable environment: Temperature: -30℃~50℃ Humidity:15%~85%
10. Data output: Connect the computer with the USB port to transfer data
11. Safe level: IP65
Display representation (LCD display)
1. Specifications of LCD status:
busy：Under busy status, it enters normal status after restarting and passing this status. ：
Upper limit alarm status, when temperature is above the upper limit, it displays this alarm status. ：
Lower limit alarm status, when temperature is above the lower limit, it displays this alarm status
Wait：Recording not activated，continuously press the key for 5s to start recording
Record：Under recording status End： Recording ending status
Max：The recorded maximum value Min： The recorded minimum value
Act：Actual data Log： Recorded data
EE：Sensor error status ：
The quantity of battery's electric charge ℃：Temperature unit
Specifications:
Max. Length: 104.5mm Max. Width: 66.5mm Max. Height: 30mm
