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Summary of Contents for Microsensor MDM4901FL
- Page 1 MDM4901FL Operation Manual...
- Page 2 Our company reserves the modification right for this operation 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 the right of final explanation for this manual. Version: V1.0...
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Page 3: Specifications
Thanks for your using products from MICROSENSOR. MDM4901FL piezo-resistive differential pressure transmitter is one of precise instruments. We suggest you to read this manual carefully before use. 1 Introduction MDM4901FL piezo-resistive differential pressure transmitter is a differential pressure measurement device with compact size. The... - Page 4 Power Supply: 15V~28VDC Output: 2-wire 4mA~20mADC 3-wire 0/1V~5/10VDC，0mA~10/20mADC Operation Temperature: -30℃~80℃（4-pin Plug、M12×1 Plug） -20℃~70℃（cable material: PE, PVC） -20℃~80℃ (cable material: PUR) Storage Temperature:-40℃~120℃ -20℃～85℃（Cable） Response: ≤1ms Insulation: 100MΩ， 50VDC Housing Protection: IP65 3 Outline Construction and Installation Unit:mm 3.1 Construction and Mounting Dimension (50) G1/4 female G1/4 female...
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Page 5: Installation Method
M12×1 G1/4 female G1/4 female Fig.3 3.2 Installation 3.2.1 Attentions before installation: a) The operating pressure of measuring medium is no more than the static pressure of transmitter; b) The differential pressure of measuring medium 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 prevent one-side overpressure destroying the... - Page 6 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.
- Page 7 8) Ban to pulling the cable violently, and to prevent the diaphragm damaging don’t poke the diaphragm with metal still objects. MDM4901FL piezo-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 connection, remove the socket on the top of housing (take care not to break the cable), then trim “Zero”...
- Page 8 through plug or special cable. The pin arrangements of socket are to see Fig.5, and pin definitions are as follows： Table 1 2-wire 3-wire OV/+OUT Null +OUT Fig.5 The electric definitions of cable are as follow： Table 2 Cable 2-wire 3-wire Black OV/+OUT...
- Page 9 4.2.1 4mA~20mADC(2-wire) P/I Transmitter DC current Load 0V/OUT Input 20mA ～ Fig. 7 4.2.2 0/1V~5VDC(3-wire) P/U Transmitter DC current Input +OUT 0/1V ～ 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 the plug from transmitter.
- Page 10 top of plug, then turn the plug to the bottom and insert a little flat screwdriver into a corner signed “Lift” and give a force. The plug core will be disconnected with housing. c) To connect the cable, put the cable through the cable jack and connect the wires with terminals on the plug core correctly (the connection terminals are signed with clear numbers).
- Page 11 5.2 Enclosed The transmitter should be enclosed when out of factory： When out-factory, the transmitter should include: MDM4901FL piezo-resistive differential pressure transmitter Electrical connection plug (insert supplied) Cable (cable supplied) 1.5 meter or based on order...
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