Intelligent automatic temperature recorder (ZDR-31 type) ZDR-21 for dual-channel 

 ◆ Measurement range: -40 ℃ ~ 100 ℃ (three-way) 
 ◆ Accuracy: Temperature: ± 0.5 ℃ (△ T = 100 ℃) 
 LCD ◆ Resolution: 0.1 ℃ 
 ◆ Record capacity: 7420 ~ 15400 Group 
 ◆ Record interval: 2 seconds to 24 hours continuously adjustable 
 ◆ Sensor: PT1000 
 ◆ Temperature Sensor Size: diameter 3 mm, length 3 cm 
 ◆ Communication Interface: RS-232 
 ◆ Software: Chinese and English versions 

 Functions and features 

 1, the whole track record of temperature data recorded a long time (15 minutes of recording time data, it can record up to 2 and a half months or even longer.) 
 2, the whole power consumption, the use of lithium battery (internal) power supply, the battery life of up to one year. 
 3, record the temperature data can not be modified in the food, refrigeration and other problems on the survey provide strong evidence and proof of claim. 
 4, both in English and Chinese versions of the software, you can choose the English version of international versatility. 
 5 powerful software to facilitate data view. 
 6, can reprovision the data stitching software, each download data into a complete curve connecting curve. 
 7, the recording time interval from 2-24 seconds any setting. 
 8, small size, simple operation, reliable performance. 

 Advantages: 
 We are the experts of Zhejiang University, professors, students, Dr R & D results into products of independent and learn the advantages and disadvantages of similar foreign products summarized the design, performance reached the international advanced level. In China, we have established a leading banner 
 Relative to some foreign products, we have a considerable price advantage and service system. Believe it is your trusted choice! 

 We can at your request, tailored to your needs for your equipment. Such as: the replacement of the sensor, extended, built-in, channel settings and add an external power supply, etc. 

 Certificates 
 CMC measured by permit in 2002 (Zhejiang System No.) 

 Random gifts 
 Application software, data cable, spare battery and one each in 

 Contact: Yu Jingli