|  Feature:This series stirrers are  ideal analysis measurement instruments for heating and stirring liquid, which has the special virtue of auto-controlling constant temperature. It adopts direct current brushless machine, having the characteristics of low crachkling, little mechanical breakdown and steady timing.
 
 Specifications:
 
        
          | Model  | 78HW-1  | HJ-3  | HJ-3A  |  
          | Speed range  | start up ~1600 rpm  | start up ~1600 rpm  | start up ~1600 rpm  |  
          | Speed display  | -----  | -----  | Yes  |  
          | Stirring power  | 25W  | 40W  | 60W  |  
          | Temperature range  | RT+5 ~100 ℃  | RT+5 ~100 ℃  | RT+5 ~100 ℃  |  
          | Heating power  | 120W  | 150W  | 250W  |  
          | Platform Dimension(mm)  |  120mm  |  120mm  | 165x165mm  |  
          | Timer  | -----  | 0~120 minutes(or with no limit)  |  
          | Capacity  | 100~1000ml  | 100~1000ml  | 100-5000ml  |  
          | Voltage  | 110V 60Hz/220V 50Hz  | 110V 60Hz/220V 50Hz  | 110V 60Hz/220V 50Hz  |  
          | Dimension(mm)  | 225x160x130  | 225x160x130  | 265x210x160  |  
          | Package(mm)  | 270x190x145  | 270x190x145  | 330x260x220  |  
          | G.W./N.W.  | 2.5/2kg  | 2.5/2kg  | 6/5kg  |  
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