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Panametrics DewPro MMR101, User Manual

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DewPro MMR101 User’s Manual

7

Chapter 2. Installing the DewPro MMR101

2.3

Choosing a Mounting Location

Choose a mounting location that allows enough clearance for installation and convenient access during normal 
operation. Refer to Figure 2, below.

Figure 2: Dimension Drawing

 

Microprocessor
electronics in IP67
enclosure

412

40m
sintered
stainless
steel
fliter

μ

12.7

12.7

228

40m sintered
stainless steel
fliter

μ

Left: MMR101 Assembly 9“ Probe & integrated display/user interface
Right: MMR101 Assembly 16“ Probe, without integrated display/user interface

57

79

134

134

M20 or 1/2“ NPT cable
connections for DC
power supply

Summary of Contents for DewPro MMR101

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

Page 2: ......

Page 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...

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

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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