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Summary of Contents for Microsensor MPM489
- Page 1 MPM489 Operation Manual...
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Page 2: Table Of Contents
Contents 1 Introduction ..................1 2 Specifications ................. 1 3 Outline Construction and Installation ..........3 4 Electric Connection ................ 5 5 Unpacking、Components and Storage ......... 10 6 Operation、Maintenance and Responsibility......... 11 7 Responsibility ................12 Our company reserves the modification right for this operation manual due to renovation of production technology and craftwork. -
Page 3: Introduction
The digital circuit processes the sensor signal into standard output signal. The pressure port of MPM489 is male port with waterline seal construction, electric connection is plug or cable connection. The compact construction and standard signal output provide you conveniently and stably. - Page 4 Accuracy: ≤±0.25%FS ≤±0.5%FS ≤±1%FS Note: The precision of products is related to the range of measurement, and the precision of products in different range is different. Long-term Stability:≤±0.3%FS/year Zero Temperature Drift: ≤0.05%FS/℃ (≤100kPa), ≤0.03%FS/℃(＞ 100kPa) FS Temperature Drift: ≤0.05%FS/℃ (≤100kPa), ≤0.03%FS/℃(＞ 100kPa) Power Supply:11V~28V DC(intrinsic safe version supplied through safe barrier)，3.3V/5V DC...
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Page 5: Outline Construction And Installation
-20℃~60℃（Exd） Storage Temperature:-40℃~120℃,-20℃~85℃（cable type） Resistance:≤（U-11）/0.02Ω（2-wire）; ≥10kΩ（3-wire） Pressure Port:M20×1.5 Male with Waterline Seal Intrinsic safe version mark:ExiaIICT6Ga(only for 2-wire); ExiaIICT4Ga(ATEX) EC-Type Examination Certificate Number: Presafe 17 ATEX 11284X Intrinsically safe coefficient: Ui=28VDC Ii=93mADC Li=0mH Ci=0.042uF Pi=0.65W ATEX: Ui=28VDC Ii=115mADC Li=0mH Ci=0.055uF Pi=0.66W (2-wire) Ui=26VDC Ii=140mADC Li=0mH Ci=0.055uF Pi=0.66W (3-wire) Housing Protection: Plug Connection：IP65 Cable Connection：IP65... - Page 6 30 degree. It is not recommended to mount the transmitter invertedly. Take the pressure port M20×1.5 male with water line sealing of MPM489 pressure transmitter as an example, it can be directly installed on the measuring pipe joint.
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Page 7: Electric Connection
Caution：do not poke the pressure-leading hole with metal wire or something hard; and do not press the diaphragm with finger or something sharp to protect the diaphragm. The recommended method is to see Fig.2. Pressure Transmitter Valve Pipe Fig. 2 4 Electric Connection 4.1 The transmitter is connected with the outside circuit through plug or special cable. - Page 8 Cable 2-wire 3-wire Black OV/+OUT White Null +OUT (Note: The tube in the center of the cable can not be blocked or water inf low, and it must be connected to the atmosphere, to ensure the protecti on of the product and the accuracy of the output measurement.) The electric definitions of M12x1 Plug are as follow 2-wire 3-wire...
- Page 9 connect the wires with terminals on the plug core correctly (the connection terminals are signed with clear numbers). Please choose Φ4.5mm~7mm shield cable and connect the cable reliably to prevent short circuit. d) Pull the cable slightly and push the plug core into housing (a rattling sound could be listened), then screw down the cable-fixed nut.
- Page 10 c) Intrinsic safe version transmitter is used for explosive gas environment, please connect transmitter with safe barrier to establish intrinsic safe ex-proof system; d) Safe barrier should comply with intrinsic safe ex-proof parameter, and owning Ex-proof Qualified Certificate; Safe barrier and power should be put in safe area; intrinsic safe version transmitter should be put in dangerous area.
- Page 11 Safe Power +OUT Input 24VDC Barrier Transmitter ex-proof parameter: Safe barrier ex-proof parameter: Fig. 6 Ui=26VDC Ii=140mADC Uo=26VDC Io=140mADC Li=0mH Ci=0.055μF Pi=0.66W Po=0.66W Please pay attention that the max. available distributing capacitance for connected cable between transmitter and safe barrier is C –...
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Page 12: Unpacking、Components And Storage
Be sure unpacking carefully, and prevent damaging instruments or accessories. Pay attention to the housing jacket and rubber bushing of transmitter cable. 5.2 Enclosed The transmitter should be enclosed when out of factory： MPM489 Pressure Transmitter Special Plug 1 （due to the order） Production Manual Production Qualification Certificate 5.3 Storage... -
Page 13: Operation、Maintenance And Responsibility
The transmitter could work at once as soon as the power is supplied. But the signal output will be more stable after 30 minutes. 6.2 Maintenance MPM489 Piezo-resistive pressure transmitter is the compact measurement device, please pay attention to the following items in the operation:... -
Page 14: Responsibility
d) Transmitter and external circuit connect through cable, the transm itter's cable has a vent pipe, is used to make the gauge pressure sensor back pressure chamber connect to the atmosphere. When Installation and use of the transmitter, must ensure that the tube c an not be blocked or water inflow, and it must be connected to the atmosphere, to ensure the protection of the product and the accu racy of the output measurement.Otherwise it will cause damage to...
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