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  JANDEL HM21 Portable system
1. Introduction
  4-point probe head 전문회사인 JANDEL사의 Test unit(HM21)와 고품질 JANDEL Probe head와 연결하여 간단한 사용법으로 손쉽게 면저항을 구할 수 있습니다.
또한 별매의 Probe stand를 이용하여 CMT-100HA를 구성하면 손떨림방지와 접촉하중을 일정하게 유지시켜 더욱 정밀하고 정확한 Data를 구할 수 있습니다.
 
2. Features  
Potable type probe contact system    
Data download port(USB)    
Probe stand (option)    
3. Configuration    
  The system consists of the following components.    
HM21 Test unit    
Membrane keyboard panel    
LCD display window(Measure result)    
Data download USB port    
Power using the supplied adapter or using four size AA rechargeable batteries    
Standard accessories    
  - Power adapter
- Data download cable
- Operating & service manual
   
4. Specifications    
Sheet resistance measurement    
  - Measuring method : Contacted by 4-point probe
- Measuring range : 1 ohm/sq ∼ 10 Mohm/sq
- Measuring point : 1 point
   
Resistivity measurement(by software)    
  - Measuring method : Contacted by 4-point probe(Input thickness)
- Measuring range : 0.01 ohm·cm ∼ 10 kohm·cm(bulk resistivity)
- Measuring point : 1 point
Current source    
  - 100nA to 10mA
- DVM 0.01mV to 1,250mV
   
Measurement accuracy    
  - 0.5 % highest accuracy is in the mid-range of measurements.    
JANDEL 4-point probe    
  - Pin spacing : 1mm
- Pin Load : 60 gram/pin ∼ 150 gram/pin
- Pin radius : 100 micron
Software    
  - Windows Version
- Graphical interface software
- Use USB communication port
5. Specimen    
Minimum 5 × 5 mm    
 
     
   
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