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DewPro<Superscript>® MMR31 Installation & Operation Manual

33

Index

A

Accessories, Available . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Ammeter, Calibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

B

Binary Conversion Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Bracket, Mounting with. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  7
Buttons

Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Matrix Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Programming, Accessing  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Special Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

C

Cable, Shielded . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Calibration

Ammeter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Buttons. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
High RH Reading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Low RH Reading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
NIST Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  3
Steps Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Using Saturated Salt Solutions . . . . . . . . . . . . . . . . . . . . . . . . . .15

Components, Transmitter  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  3
Compression Fitting, Mounting with  . . . . . . . . . . . . . . . . . . . . . . . 6
Conversion, Decimal to Binary Table. . . . . . . . . . . . . . . . . . . . . . 26

D

Date of Publication  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i
Default Values, Matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Dimensions, Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Display

Matrix Locations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Removing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Display/User Interface

Programming Buttons  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Document Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i

E

Electrical Connections

One Current Loop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Two Current Loops . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Electrical Noise  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  9, 12
EMC Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
EMI/RFI Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Environmental Compliance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ii
Error Codes

Examples. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Interpreting  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Matrix Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Examples, Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

F

Flange, Mounting with  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Functions

4-20 mA Output Range. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Matrix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Moisture Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
System Administration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Temperature Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

G

Guidelines, Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  8, 11

I

Information Paragraphs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .i
Installation

Compression Fitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Flange . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
In Pipe or Container  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
In Room  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Mounting Dimensions  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
With Bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

L

Label, Product . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1
Loop

Current Out of Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
First, Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Frozen Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
No Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
One, Electrical Connections  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Second, Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Two, Electrical Connections  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Wiring  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  8, 11

M

Matrix

"Display Only" Locations  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4-20 mA Output Range Functions . . . . . . . . . . . . . . . . . . . . . .24
Default Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Moisture Measurement Functions . . . . . . . . . . . . . . . . . . . . . .24
Programming  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
System Administration Functions. . . . . . . . . . . . . . . . . . . . . . .23
Table of Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Temperature Measurement Functions  . . . . . . . . . . . . . . . . .25

Model Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1, 2
Mounting Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

N

NIST, Calibration Reference  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Noise, Electrical  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9, 12
Normal Environments, Wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . 9, 12

O

Operation, Theory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Options, Available . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

P

Pipe, Mounting in . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Power Supply, Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Product Label  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1
Programming

Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Matrix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

Programming Buttons, Accessing . . . . . . . . . . . . . . . . . . . . . . . . . 19

Summary of Contents for DewPro MMR31

Page 1: ...panametrics com Moisture A40251532 Rev C July 2020 DewPro MMR31 Installation Operation Manual ...

Page 2: ......

Page 3: ...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 DewPro MMR31 Moisture Transmitter Mid Range 1 or 2 Current Loops Installation Operation Manual A40251532 Rev C July 2020 ...

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

Page 5: ...ating conditions are met for each installation The safety of any system incorporating the equipment is the responsibility of the assembler of the system Auxiliary Equipment Local Safety Standards The user must make sure that he operates all auxiliary equipment in accordance with local codes standards regulations or laws applicable to safety Working Area WARNING Auxiliary equipment may have both ma...

Page 6: ...19 EU The equipment that you bought has required the extraction and use of natural resources for its production It may contain hazardous substances that could impact health and the environment In order to avoid the dissemination of those substances in our environment and to diminish the pressure on the natural resources we encourage you to use the appropriate take back systems Those systems will r...

Page 7: ...e Units of Measure 14 Chapter 3 Calibration and Troubleshooting 3 1 Calibration Using Two Saturated Salt Solutions 15 3 2 Calibration Steps 16 3 2 1 Calibrating the Low RH Reading 16 3 2 2 Calibrating the High RH Reading 17 3 3 Troubleshooting 18 3 3 1 Loop Current is Out of Range 18 3 3 2 No Loop Current 18 3 3 3 Slow Response Time 18 3 3 4 Frozen Output Current 18 Chapter 4 Optional Display User...

Page 8: ...Contents iv DewPro Superscript MMR31 Installation Operation Manual ...

Page 9: ...notify the carrier within 15 days of delivery and request an inspection If no shipping damage is suspected move the carton to a clean work area and unpack the contents The carton you received should contain DewPro MMR31 Instrument Installation and Operation Manual Calibration Certificate 1 2 Model Number Locate the product label on your MMR31 and compare the last five characters of the model numbe...

Page 10: ... Other 5 Output Configuration Dewpoint Range A One output 4 20 mA selectable RH 0 100 or dewpoint 15 to 85 C 5 to 185 F absolute humidity mixing ratio no display fault status 22 mA B Two 4 20 mA DC output loops 1st loop Moisture 2nd loop temperature 15 to 85 C 5 to 185 F no display fault status 22 mA C As A fault status hold D As A fault status 3 6 mA E As B fault status hold F As B fault status 3...

Page 11: ...tly proportional to 0 to 100 relative humidity or if selected the dew point temperature range of 5 to 185 F 15 to 85 C the absolute humidity in a range of 1 to 350 g m3 or the mixing ratio in a range of 1 to 830 g kg 1 4 2 Second 4 20 mA Loop The specifications for the first loop current are also valid for the second loop current except that the 4 to 20mA signal always corresponds to the temperatu...

Page 12: ...Chapter 1 General Information 4 DewPro Superscript MMR31 Installation Operation Manual no content intended for this page ...

Page 13: ...ting location refer to the dimensions shown in Figure 2 below 11 73 298 4 47 114 0 79 20 0 50 12 7 5 56 141 w display 4 61 117 wo display NOTE Dimensions are inches mm Compression Fitting 2 00 50 8 Ø3 00 76 2 Thread G1 2 1 2 NPT M etc Figure 2 MMR31 and Compression Fitting Dimensions 2 1 1 Using a Compression Fitting or a Flange IMPORTANT Be certain that the tip of the probe does not touch the ins...

Page 14: ...e a pipe or container mount the probe using a compression fitting connection or a flange see Figure 3 below Adjust the ferrule for a probe insertion length of at least 1 in 25 mm and tighten the compression fitting as follows 1 Hand tighten the nut 2 Use a wrench to tighten the nut 1 1 2 turns When tightened in this manner the fitting with a stainless steel ferrule can withstand pressures up to 17...

Page 15: ...he air in a room or other such area by using the available mounting kits shown in Figure 4 below 6 50 in 165 mm 2 76 in 70 mm 4 45 in 113 mm 3 23 in 82 mm 4 45 in 113 mm 2 95 in 75 mm 0 79 in 20 mm 4 45 in 113 mm Panel Mounting Vertical Pipe Mounting Horizontal Pipe Mounting Horizontal Pipe Mounting Figure 4 Mounting Kit Configurations ...

Page 16: ...mable Logic Controller PLC will cause a voltage drop across its input When designing your loop add up all voltage drops across the devices connected to the loop and then add 12 V This sum is the minimum supply voltage required for the circuit To ensure reliable operation it is recommended that a 20 safety factor be added to the calculated voltage requirement IMPORTANT The voltage across the and te...

Page 17: ...MR31 is installed in environments with severe electrical noise wiring must be done with shielded and grounded cable as shown in Figure 6 below Details of the MMR31 testing and certifications in such environments can be found in Chapter 5 Specifications on page 29 and the CE Declaration of Conformity at the end of this manual External Earth Ground Connect the cable shield Shielded Two Wire Cap Cabl...

Page 18: ...below 6 Verify that a voltage between 12 and 28 VDC is present across the terminals marked and Note This is the voltage that is actually measured across the MMR31 terminals It is not necessarily exactly the same as the power supply voltage due to voltage loss in the wires displays indicators etc 7 To meet EMI RFI immunity requirements a two wire shielded cable with a common foil shield layer is us...

Page 19: ...ces connected to the loop and then add 12 V This sum is the minimum supply voltage required for the circuit To ensure reliable operation it is recommended that a 20 safety factor be added to the calculated voltage requirement IMPORTANT The voltage across the and terminals of the MMR31 should not fall below 12 VDC If an external display is used configure it to the proper range 0 100 RH 5 to 185 F 1...

Page 20: ...MR31 is installed in environments with severe electrical noise wiring must be done with shielded and grounded cable as shown in Figure 9 below Details of the MMR31 testing and certifications in such environments can be found in Chapter 5 Specifications on page 29 and the CE Declaration of Conformity at the end of this manual External Earth Ground Connect the cable shield Shielded Four Wire Cap Cab...

Page 21: ...that a voltage between 12 and 28 VDC is present across the terminals marked and Note This is the voltage that is actually measured across the MMR31 terminals It is not necessarily exactly the same as the power supply voltage due to voltage loss in the wires displays indicators etc 7 To meet EMI RFI immunity requirements a four wire shielded cable with a common foil shield layer is used to power th...

Page 22: ...a 2 mm screwdriver turn Switch S3 to the position corresponding to your desired units of measure The available options are listed in Table 1 below Table 1 Switch S3 Position Mode Range 0 RH 0 to 100 1 Dew point 5 to 185 F 15 to 85 C 2 Mixing Ratio 1 to 830 g kg 3 Absolute Humidity 1 to 350 g m3 8 Dew point Custom 9 RH Calibration with Salt Bottles 75 4 and 11 3 0 to 100 For example if Switch S3 is...

Page 23: ...tion at a given temperature The accuracy of this method is dependent on the stability of the temperature during the calibration It is important that the temperature of the salt solution and the temperature of the enclosed atmosphere above the solution are the same Note To achieve optimum results it is recommended that calibration be performed at 77 5 F 25 3 C because the temperature compensation c...

Page 24: ...calibrate the 11 3 RH value with a lithium chloride salt solution while button S2 is used to calibrate the 75 4 RH value with a sodium chloride salt solution Switch S3 is set to position 9 for calibration mode see Figure 13 below Note If the unit is equipped with a display the buttons on the display are used instead see Chapter 4 Optional Display User Interface on page 19 for detailed instructions...

Page 25: ... a saturated salt solution of sodium chloride is used to provide an 75 4 relative humidity reference 1 Insert the probe into the calibration bottle almost to the bottom 2 Observe the ammeter The reading will change toward 16 mA or 75 4 on a display after insertion of the probe Note For successful calibration it is important that the temperature in the salt solution and in the enclosed atmosphere a...

Page 26: ...he fault current specified on the order or in the matrix field VH 07 Apply dry air for a few minutes If the current remains in error mode contact Panametrics for assistance Solution 2 If the dew point is below 5 F 15 C the current will go to the fault current specified on the order or in the matrix field VH 07 Move the sensor into a wetter environment for a few minutes If the dew point doesn t inc...

Page 27: ... Removing the Display To remove the display user interface refer to Figure 14 below and complete the following steps 1 Unscrew and remove the protective cover from the top of the MMR31 exposing the display module The four buttons V H and are now accessible 2 The display unit snaps onto the printed circuit board and rests on four posts When removing the display push one post to the outside using a ...

Page 28: ...and horizontal H coordinates to designate the row and column respectively The bar graph represents the output current in an analog fashion H V DewPro Figure 15 MMR31 Display The V and H buttons are used to move to another row or column in the matrix see Table 3 on page 21 For example to select location VH 45 from a starting location of VH 00 press V four times and then press H five times to arrive...

Page 29: ...alibratio n High Temp Unit Loop 1 Hardware Calibratio n V4 Display Temp Value Select Unit of Temp 0 C 1 F Temp 4 mA Temp 20 mA Loop 2 at Fault 0 10 1 110 2 Hold Loop 2 Raw Reading V5 RH Calibratio n V6 Enable Calibratio n enter digit other than 0 Enter Low RH Enter High RH Loop 2 Hardware Calibratio n V7 Loop 2 D A Calibratio n Low Loop 2 D A Calibratio n High Access Key V8 Input Locking 50 Unlock...

Page 30: ...y in dewpoint RH mixing ratio or absolute humidity as selected in VH 01 VH 08 Indicates digitized moisture signal VH 40 Displays temperature VH 48 Indicates digitized temperature signal VH 90 During a system alarm displays the error code for the fault encountered VH 91 During normal operation displays the previous error code for reference VH 92 Displays the factory issued identification number VH ...

Page 31: ...ter the reset normal operation is resumed at location VH 00 Transmitter Identification VH 92 This location displays the identification number of the transmitter The display should read 200 Software Version VH93 This location displays the version number of the instrument software Two Point Calibration Using Any Low and High RH Value VH67 In this location the calibration using VH 68 and VH 69 is ena...

Page 32: ... Range Functions Table 7 Function Location Description Range of Humidity Values VH 10 RH 4mA Default 0 VH 11 RH 20mA Default 100 VH 12 C dew point 4mA Default 15 VH13 C dew point 20mA Default 85 VH 14 F dew point 4mA Default 5 VH 15 F dew point 20mA Default 185 VH 16 grams m3 4mA Default 1 VH 17 grams m3 20mA Default 350 VH 18 grams kg dry air 4mA Default 1 VH 19 grams kg dry air 20mA Default 830 ...

Page 33: ... in C regardless of the display units selected Loop 2 at Fault VH 47 This location specifies the condition for current output 2 when a fault is detected in the temperature measurement circuitry The available options are 0 10 3 6 mA 1 110 22 mA Default 2 Hold at previous level Calibrating the Current Output VH 78 VH 79 These locations are used to calibrate the 4 mA and 20 mA hardware settings of th...

Page 34: ...l be set MMR31 errors are indicated in the matrix see Table 3 on page 21 as shown in Table 9 below Table 9 Function Location Description Display the Present Error Code VH 90 This location displays a number associated with an error code If no error condition exists the location displays 0 Use the instructions in this section to properly interpret the error code The procedure for interpreting the VH...

Page 35: ... 3 above corresponds to a particular MMR31 error Identify these errors by referring to Table 11 below Example The 1 in the third position of the temperature channel error code see step 2 above means that the temperature reading is 85 C The 1 in the second third and fourth positions of the moisture channel error code see step 3 above means that Output 1 is 4 mA and that the moisture unit selected d...

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Page 37: ... 100 at 25 C Dew Point Range 5 to 185 F 15 to 85 C Dew Point Accuracy 1 8 F 1 C above 32 F 0 C T 86 F 30 C and RH 30 Operating Temperature Range 5 to 185 F 15 to 85 C temperature signal available with second loop Operating Temperature of Electronics 40 to 185 F 40 to 85 C Temperature Accuracy 0 9 F 0 5 C Absolute Humidity Range 1 to 350 g m3 Mixing Ratio Range 1 to 830 g kg Maximum Operating Press...

Page 38: ...inal 12 to 28 VDC range Protection Type 4X IP67 Probe Tube 316 stainless steel 1 2 in 12 7 mm diameter insertion length 3 0 in 75 mm to 5 9 in 150 mm adjustable Typical Probe Mounting 1 2 in 12 7 mm tube x 1 2 in 12 7 mm NPT M or 1 2 in 12 7 mm tube x G 1 2 compression fitting Weight 3 3 lb 1 5 kg 5 2 Optional Onboard Display with User Interface The optional onboard display with user interface use...

Page 39: ...cal Fast Transient Test as per IEC 61000 4 4 2004 High Energy Surge Immunity Test as per IEC 61000 4 5 2001 Power Frequency Magnetic Field Test as per IEC 61000 4 8 2001 5 4 EMC Compliance The MMR31 meets the EMC requirements of IEC 61326 for equipment used in industrial locations 5 5 Available Accessories The following optional accessories are available for the MMR31 Single power supply Panel mou...

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Page 41: ... 27 Matrix Location 26 Examples Error Codes 27 F Flange Mounting with 6 Functions 4 20 mA Output Range 24 Matrix 23 Moisture Measurement 24 System Administration 23 Temperature Measurement 25 G Guidelines Wiring 8 11 I Information Paragraphs i Installation Compression Fitting 6 Flange 6 In Pipe or Container 6 In Room 7 Mounting Dimensions 5 With Bracket 7 L Label Product 1 Loop Current Out of Rang...

Page 42: ...Functions Buttons 22 Specifications Display User Interface 30 Power Supply 30 Technical 29 Switch Calibration 16 T Technical Specifications 29 Terminals Wiring 10 13 Theory of Operation 3 Troubleshooting 18 Frozen Output Current 18 Loop Current Out of Range 18 No Loop Current 18 Slow Response Time 18 U Units of Measure Selecting 14 Unpacking 1 V Version Descriptions 2 W Warranty 35 WEEE Directive ...

Page 43: ...r a particular purpose and warranties arising from course of dealing or usage or trade Return Policy If a Panametrics instrument malfunctions within the warranty period the following procedure must be completed 1 Notify Panametrics giving full details of the problem and provide the model number and serial number of the instrument If the nature of the problem indicates the need for factory service ...

Page 44: ...Warranty 36 DewPro Superscript MMR31 Installation Operation Manual no content intended for this page ...

Page 45: ...ices Email namservice bakerhughes com Phone 281 542 3650 Quotes PO s and PO inquiries Orders changes and Order inquiries document requests for new product International Baker Hughes Customer Care Email gesensingorders bakerhughes com Phone 36 27 565 314 North America only Baker Hughes North America Customer Care Email custcareboston bakerhughes com Phone 800 833 9438 option 1 Copyright 2020 Baker ...

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