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Application :
The two wire transmitter model PPT 200 is an electronic instrument to convert resistance input to current output. The change in resistance derived from the field mounted potentiometer is given as an input to this instrument through two wires. A supply of 12 to 36 V DC is connected to the output terminals of the instrument. As the input resistance varies the current signal of 4-20 mA is generated in the supply wires which can be read by connecting an ammeter in series with the supply wires as shown in the connection diagram. The Zero and Span setting potmeters are provided on this instrument by which accurate output values of 4 and 20 mA can be achieved. |
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Features :
• Two wire Transmitter
• Uses state of art analog technology
• Accepts wide supply voltage variations
• Protection against reverse supply connections
• Epoxy potting ensures excellent protection against dust, moisture etc.
• Customer setting - SPAN, ZERO easily accessible.
Note: SPAN and ZERO are interdependent |
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Technical specifications :
• Supply 12 to 36 V DC
• Input 100 to 235 ohms Standard supply. Other values available on demand
(Only two wires of potmeter to be used as input)
• Output :4 to 20 mA DC
• Customer : Zero : 4 mA
Span : 20 mA
• Linearity : ±1% |
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| Dimentional Details |
Connection Diagram |
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| Position Transmitter With Linkages For Linear Application |
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Technical Features Model PPT-200L-S
This model has all the features that PPT-200L plus two cam operated adjustable ens limit switches are provided to indicate extreme end positions. The switch operating cams can be set at site.
The switches are also housed in the housing that of transmitter making them weather proof. The switch terminals are taken on the strip provided inside the housing.
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Technical Features :
• All features of two wire transmitter PPT 200 are available with the additional facility of linkages to suit
reciprocating movement
• Compact aluminium casing
• Precision moving components to give accurate results
• Class of protection - IP 65 |
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Technical Features Model PPT-200L
This model has a reciprocating shaft, which can be coupled to any liner moving part so as to convert linear mechnical movement into an out of 4-20 mA proportionately.
The reciprocating shaft is coupled to the protentiometer and the potentiometer output is converted into 4-20mA thru position transmitter. All the items are housed in a box having proper sealing to make it weather proff. A suitable cable gland is provided for cable entry. Adjustable mechanical stoppers are provided on the reciprocating shaft to restrict the desire movement of the shaft. |
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Dimenional Details : Model PPT 200L |
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| Position Transmitter with Linkage for Rotary Application |
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Technical Features Model PPT-200R
All features same as that of PPT-200L Except that the External lever has a rotry action instead of reciprocationg.
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Technical Features Model PPT-200R-S
All features same as that of PPT-200S Except that the switching operation will be thru rotary lever instead of reciprocationg. |
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