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Isolated Temperature Process Transmitter

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Our range of microcontroller based isolated temperature process transmitter with local display with local display & RS485 interface in IP65 enclosure are available with local display and RS485 interface in IP65 enclosure.
Model PTX-3000

DesignMicrocontroller based (8 bit) with 12 bit ADC and 12 bit dual DAC
Input SensorJ,K,R,S,B thermocouple or RTD (Pt-100) or mV, mA signal
RangeFull range of the selected input – desired measuring range can be specified by the user.
AccuracySoftware linearized to +/-1°C for thermocouple input and +/-0.1°C for Pt-100 input. For other inputs – the accuracy is absolute to the input.
Supply Voltage24VDC @ 200mA (12 to 36VDC)
Output 14-20mA proportional to the specified range of the user selected input or the specified input. (12 bit resolution). Isolated from Supply voltage
Output 24-20mA proportional to the specified range of the second specified input. (12 bit resolution). Isolated from Supply voltage (2nd output is available for two input model PTX-3000/TD
Loop ResistanceRLmax = 150 Ohms with internal 5VDC supply and RLmax = 600 Ohms when external 24VDC is used – This 24VDC must be different from Supply voltage.
Display4 digit each - 0.3” red seven segment LED. 4 digit each for two input models.
Connection5 wire connection for supply and current output
Serial CommunicationIsolated 2 wire RS485 MODBUS RTU Slave protocol (MODBUS ID is keyboard programmable)
Enclosure (Size)ABS plastic IP-65 (120 x 80 x 55) mm.

PTX-3000/UDProcess Transmitter – with universal input and local display
PTX-3000/TDProcess Transmitter – with two fixed input and local display
PTX-3000/FDProcess Transmitter – with single fixed input and local display


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