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Our Material Systems
Chip Manufacturing Facility
Reliability Test Centre
Sensor Design and Quality Assurance Laboratory
   
   
 
   
 
 
  Our Material Systems    
  Our typical Material Systems with temperature multiples  
 
Temperature °C/°F Material System - 2   
β(25/85)°C = 3980K
Rt / R25 nominal
Material System - 4
β(25/85)°C = 3690K
Rt / R25 nominal
Material System - 5
β(25/85)°C = 3970K
Rt / R25 nominal   
Material System - 6 
β(25/85)°C = 3960K
Rt / R25 nominal 
 
Material System - 7 
β(25/85)°C = 3935K  
Rt / R25 nominal  
    
-40/-40 33.36 24.25 34.23 33.00 29.96
-20/-4 9.68 7.94 9.78 9.58 9.11
0/32 3.26 2.96 3.27 3.24 3.18
25/77 1.00 1.00 1.00 1.00 1.00
50/122 0.360 0.390 0.360 0.362 0.366
85/185 0.107 0.126 0.108 0.108 0.110
100/212 0.0678 0.0821 0.0683 0.0685 0.0694
120/248 0.0388 0.0486 0.0392 0.0392 0.0395
150/302 0.0184 0.0241 0.0187 0.0186 0.0186
 
   
 
Temperature °C/°F Material System - 8
β(25/85)°C = 3435K
Rt / R25 nominal
Material System - 9
β(25/85)°C = 3740K
Rt / R25 nominal
Material System - 10
β(25/85)°C = 4250K
Rt / R25 nominal  
Material System - 12
β(25/85)°C = 3540K
Rt / R25 nominal
Material System - 13
β(25/85)°C = 4073K
Rt / R25 nominal
-40/-40 18.40 27.31 41.54 22.41 36.07
-20/-4 6.72 11.20 11.18 7.48 10.21
0/32 2.72 3.05 3.52 2.85 3.36
25/77 1.00 1.00 1.00 1.00 1.00
50/122 0.416 0.383 0.336 0.403 0.351
85/185 0.145 0.122 0.092 0.137 0.101
100/212 0.0973 0.0796 0.0562 0.0911 0.0633
120/248 0.0596 0.0471 0.0308 0.0553 0.0360
150/302 0.0308 0.0234 0.0138 0.0282 0.0168
 
     
  Our typical customer tolerance examples  
 
Resistance at 25°C Material System Tolerance Application
30k Ω 7 +/- 0.2°C (0°C to 70°C) Spas
30k Ω 7 +/- 0.1°C (25°C to 50°C) Spas
25k Ω 12B +/- 0.1°C (0°C to 30°C) Medical Diagnostics
20k Ω 12 +/- 0.1°C (25°C to 50°C) Medical Diagnostics
2.2k Ω 21 +/- 0.2°C (0°C to 25°C) Automotive
10k Ω 2 +/- 0.2°C (25°C to 100°C) HVAC
 
     
   
   
  Typical in-house Beta Value (25/85)°C range of 3000 to 5000 K with a tolerance as tight as +/- 0.15%  

EXA Thermometrics India Pvt. Ltd. No.181, Lake Shore Road, BTM Layout - II Stage, Bangalore:560076.
Tel :+91-80-40698200, +91-80-40698210\211  
 


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