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Wrist Strap Tester & Surface Impedance Tester

 
     
          TT-498  
 

 

  Performance
*Can be used anywhere to quickly and easily check grounding
systems for instance wrist straps and anti-electrostatic cushion and
grounding wire.
* Ensures employee safety                                                         
* Eliminates product defects caused by static electricity.               
* Touching the mat with your hand when grounding wire is
connected.  The green “Good” indicator will be on and buzzing
when you have safe grounding system.
  

 
              Specifications              
 

Model

TT-498

 Indication

 Standard Impedance

   Sound

 Low (red)

 R < 750 kΩ

 No

 Good (green)

 750kΩ ≤ R ≤ 10MΩ

 Yes

 High (red

 R ≥ 10MΩ

 No

 Dimension / Weight

 110 (L) x 72 (W) x 40 (H) mm / 0.6 kg

 

 
     
         TT-385 / TT-385B          
 

 

Performance
* Adopt amplifier of high precision and low
power to compare, calculate, display with
luminous diode.
* High sensitivity reliable to use.                
* Small size, light weight, power efficient    
* Portable by design, easy to carry.
  
 

 
              Specifications     
 

 

Model

TT-385 / TT-385B

 Range Of Measurement

 103 ~ 1012 Ω

 Accuracy  

 ±0.5 Quantitative level

 Outer Dimension / Weight

 70 (L) x 27 (W) x 130 (H) mm / 0.14 kg

 Power Supply

 9V Dry Battery

 
     
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