Model 481   Specification

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Range:

0 to 10%

       
    Resolution: 0.1 %

   
    Accuracy: 0.2%

   
    Output Voltage: 0 to 1.0V

   
    Measuring Principle: Infra-Red

   
    Display: Back-lit Alphanumeric 8 character LCD

   
    Input Pressures: 0.03 to 0.3 bar (1/2 to 5 psig)

   
    Input Flow: 0.1 to 1 litre/min (0.2 to 2 SCFH)

   
    Internal Filter: 2 micron

   
    Temperature Range: 0 °C to +35 °C

   
    Power Source: 230VAC  +/-  15%   48 to 62HZ   10VA   (115VAC optional)

   
    Response Time 95%: 20 secs at 1 litre.min

   
    Housing: Panel mounted 96 x 96 x 179mm deep to DIN 43 700

   
    Electrical Connections: Plug-in Terminal Blocks

   
    Gas Connection: 5mm OD I 3mm ID tube

   
    Control or Alarm settings: Relay 1 optional
Relay 2 Adjustable High or Low operation

   
    Front Panel Adjustments: Zero Calibration, Span Calibration, Set point entry

   
    Options: Full duplex RS232 9600 baud serial interface
RS232 printer output

   
   
   
           
   
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