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A40251516 Rev. B

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Содержание DewPro MMR101

Страница 1: ...panametrics com Moisture A40251516 Rev B July 2020 DewPro MMR101 High Temperature Moisture Transmitter with Two Current Loops User s Manual...

Страница 2: ......

Страница 3: ...ntains one or more registered trademarks of Baker Hughes Company and its subsidiaries in one or more countries All third party product and company names are trademarks of their respective holders DewP...

Страница 4: ...ii no content intended for this page...

Страница 5: ...n 10 2 3 6 System Configuration with One or Two 24 VDC Power Supplies 11 2 3 7 System Configuration with One 24 VDC Power Supply and Loop Powered Display 12 2 3 8 System Configuration with External Po...

Страница 6: ...Contents vi DewPro MMR101 User s Manual...

Страница 7: ...r has been settled Check that the delivery is complete and agrees with the shipping documents of your order refer to nameplate for type and variant The delivery comprises DewPro MMR101 User s Manual D...

Страница 8: ...ndard not certified A FM IS Class I II III Division 1 Groups A G T4 B FM XP IS Class I Division 1 Groups A D T5 C FM NI Class Division 2 Groups A D T4 DIP Class II III Division 1 Groups E G T4 F ATEX...

Страница 9: ...0 for temperature measurement Protective filter made of sintered stainless steel with a porosity of 40 pm Conduit adapter M20 to 1 2 NPT M C o C Dew Point F oF Dew Point D g m3 X g kg V by volume W o...

Страница 10: ...c dielectric located between the electrodes changes with relative humidity The capacitance determined is converted to a frequency by the microprocessor This moisture signal is compared to a calibratio...

Страница 11: ...nt Units If your MMR101 is not equipped with a display your unit will already be configured for the measurement units you specified at the time of ordering Use the steps below to select different unit...

Страница 12: ...set switches 1 3 according to the desired output unit see table below Switch No 4 has no effect Table 1 Unit Switch No 1 2 3 4 Relative Humidity On On On Dew Point oC Off On On Dew Point o F On Off On...

Страница 13: ...ormal operation Refer to Figure 2 below Figure 2 Dimension Drawing Microprocessor electronics in IP67 enclosure 412 40m sintered stainless steel fliter 12 7 12 7 228 40m sintered stainless steel flite...

Страница 14: ...1 If you are installing the DewPro into a pressurized system mount it after the shut off valve and then depressurize the pipe container 2 The MMR101 is supplied with a stainless steel compression fitt...

Страница 15: ...ons The DewPro MMR101 is a loop powered moisture and temperature transmitter for two or four wire connection being supplied via the signal line moisture signal The first circuit transmits the moisture...

Страница 16: ...ows Note The moisture signal output must always be connected connecting the temperature signal output is optional If the signal output for temperature is not needed the corresponding terminals should...

Страница 17: ...th One or Two 24 VDC Power Supplies Use the figure below to make moisture and temperature connections using one or two 24 VDC power supplies Figure 5 Connection with One or Two 24 VDC Power Supply Con...

Страница 18: ...age A safety margin of 20 should added into the calculated For precision measurement make sure that both loops are connected to the power supply at the power supply do not use a jumper at the transmit...

Страница 19: ...DewPro MMR101 2 3 8 System Configuration with External Power Supply and Display Use Figure 7 below to make electrical connections for the external power supply and display Figure 7 Connection with Ex...

Страница 20: ...Chapter 2 Installing the DewPro MMR101 14 DewPro MMR101 User s Manual no content intended for this page...

Страница 21: ...n the previous section Installing the MR101 connect power Use the following section to display the desired data IMPORTANT The power line connection is the main disconnect device 3 3 Displaying Measure...

Страница 22: ...oisture Value Select Display Unit Select Output Unit Loop 1 at Fault 0 110 1 10 2 Hold Display Moisture Freq V1 RH 4 mA RH 20 mA Dew point o C 4 mA Dew point o C 20 mA Dew point o F 4 mA Dew point o F...

Страница 23: ...and keys are disabled This prevents unauthorized changes to the user functions Entering the value 50 unlocks the matrix Entering any other value locks the matrix Default 0 System Reset V9 H9 Resets t...

Страница 24: ...code Loop 1 at fault circuit 1 V0 H7 Status of current output 1 according to error detection by the moisture sensor or measuring circuit Options available 0 110 22 mA 1 10 3 6 mA 2 hold at previous le...

Страница 25: ...mm Hg column This value is only needed to compute the mixing ratio in g kg Default 760 Adjustment of current output 1 V3 H8 V3 H9 Adjustment of the 4 to 20 mA hardware settings for the moisture output...

Страница 26: ...H6 Loop 2 at fault V4 H7 Status of current output 2 when an error has occurred in the temperature measuring circuit Options available for selection 0 110 22 mA 1 10 3 6 mA 2 hold at previous level Def...

Страница 27: ...humidity as well as the derived moisture units Below table shows the influence of temperature fluctuations of 1o C on relative humidity Note The temperature loop is 0 to 150o C 32 to 300o F Location...

Страница 28: ...Chapter 3 Operating the MMR101 22 DewPro MMR101 User s Manual no content intended for this page...

Страница 29: ...displayed in pos V9 H0 this means that the measuring range has been exceeded Remove the sensor from the process and expose it to ambient air or another air source with a relative humidity between 10 a...

Страница 30: ...e and connection terminals The voltage should be between 12 and 28 VDC Contact GE Sensing if there is no current flow even though the voltage and polarity are correct Instrument response too slow The...

Страница 31: ...the factory NIST certified reference instruments are used for calibration NIST National Institute for Standardization Technology The calibration certificate supplied with the sensor confirms that the...

Страница 32: ...Chapter 5 Maintenance 26 DewPro MMR101 User s Manual no content intended for this page...

Страница 33: ...ctable Units 0 to 100 RH 40o C to 100o C or 40o F to 212o F dew point up to 300oF or 150oC under system pressure 0 to 1000 g m3 absolute humidity and 0 to 1000 g kg mixing ratio dry air 0 to 100 by vo...

Страница 34: ...er IEC 61000 4 8 2001 Hazardous area approvals aptional MMR101 Axxxx Intrinsically safe Class I II III Division 1 Groups A B C D E F G Type 4X T5 Ta 60 C Entity per drawing FM IS DewPro FM Approvals M...

Страница 35: ...es that the equipment was defective the warranty period is one year for general electronic failures of the instrument one year for mechanical failures of the sensor If Panametrics determines that the...

Страница 36: ...ucts you to send your instrument to a service center it must be shipped prepaid to the authorized repair station indicated in the shipping instructions 3 Upon receipt Panametrics will evaluate the ins...

Страница 37: ...Repair Requests Calibration Requests Document and Certificate requests for a product you currently have International Baker Hughes Customer care Email gesensingorders bakerhughes com Phone 36 27 565...

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