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                   Detailed Product Description 
                   | Technical data DS 300 | 
 
|    Casing | 
Size: 118 x 115 x 93 mm  
Panel size: 92 x 92 mm 
Protection class: IP65 | 
 
|    Power supply | 
100 … 240 VAC, 50-60 Hz, 10 VA | 
 
|    Interface | 
USB to PC | 
 
|    Alarm output | 
2 relay, 230 VAC, 3 A | 
 
|    Ambient conditions | 
0 ... 50  ºC | 
 
   Sensor inputs  
   (up to channels) | 
A:  2 channel SDI:  
      FA 300, FA 4xx  
      VA 300, VA 4x0  
B:  2 channel analogue:  
      0-1V, 0-10V  
      0-20 mA, 4-20 mA  
      Thermocouples  
      Pt100/Pt1000 | 
 
|    Accuracy 1) | 
Dew point:         See sensor specs.  
Flow:                 See sensor specs. 
0-20 mA:           0.01 mA 
0-10 V:              0.01 V  
Pt100:                0.2 ºC 
Pt1000:              0.2 ºC  
Thermocouple:    0.5 ºC | 
 
|    Analogue outputs | 
4-20 mA and pulse signals from sensors accessible at rear connectors | 
 
|    Data logger | 
Up to 1,000,000 values | 
 
|    RS-485 | 
Up to 32 DS300 can be connected together and linked to a computer.   | 
 
|    Transport temperature | 
-20 ... +60 ºC  | 
 
 
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