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Fig. 4 

b)  Installation notes: 

1)  To  prevent  the  installation  position  from  affecting  zero  output       

signal,  the  transmitter  can  be  installed  horizontally  on  the  tube 
and the plug could be installed vertically up. 

2) Pay attention to whether the measured medium is consistent with 

the transmitter structure material. 

3) Pay attention to the measuring medium is compatible with    the 

construction  material  or  not.Notice  the  positive(

“ + ”

)  and 

negative (

“-”

) mark on the pressure ports while connecting the   

actual pressure direction corrrectly. 

4)  The  transmitter  should  be  installed  in  the  low  temperature 

gradient  and  low  temperature  fluctuation  place,  to  prevent 
vibration and shock. 

Summary of Contents for MDM4901FL

Page 1: ...MDM4901FL Operation Manual...

Page 2: ...tion manual due to renovation of production technology and craftwork If some information is changed no more notice will be edited Please pay attention to the latest version Our company also reserves t...

Page 3: ...2 wire 4mA 20mADC and 3 wire 0 1V 5VDC 0mA 10mA 20mADC signal output by external power supply 24VDC as well zero and span compensation in the wide temperature range The parts being contacted with the...

Page 4: ...l PE PVC 20 80 cable material PUR Storage Temperature 40 120 20 85 Cable Response 1ms Insulation 100M 50VDC Housing Protection IP65 3 Outline Construction and Installation Unit mm 3 1 Construction and...

Page 5: ...in the worksite is no more than the maximum pressure c For positive and negative pressure balance and convenient repair we recommend to use tri valve such as J23SA to connect with the leading tube to...

Page 6: ...her the measured medium is consistent with the transmitter structure material 3 Pay attention to the measuring medium is compatible with the construction material or not Notice the positive and negati...

Page 7: ...resistive differential pressure transmitter allows the customers to adjust the zero and Span output signals while you own a standard pressure controller While adjusting for the transmitter with plug...

Page 8: ...tric definitions of cable are as follow Table 2 Cable 2 wire 3 wire Red V V Black OV OUT GND White Null OUT The electric definitions of M12x1 Plug are as follow Table 3 Fig 6 4 2 Electrical connection...

Page 9: ...DC current U 0 1V 5V GND Fig 8 4 3 Plug connection Operation Method a If the plug has been connected with transmitter loose the central bolt on the top of plug with little screwdriver and pull out th...

Page 10: ...cable slightly and push the plug core into housing a rattling sound could be listened then screw down the cable fixed nut e To remove the cable loose the cable fixed nut to relax the cable and operate...

Page 11: ...on order Product operation menu 1pc Product certificate of quality 1pc Quality following card 1pc 5 3 Storage The transmitter should be stored in dry ventilate room ambient temperature 40 120 20 85 Ca...

Page 12: ......

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