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CS100 Barometric

Pressure Sensor

Revision: 8/12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C o p y r i g h t   ©   2 0 0 2 - 2 0 1 2

C a m p b e l l   S c i e n t i f i c ,   I n c .

 

Summary of Contents for CS100

Page 1: ...CS100 Barometric Pressure Sensor Revision 8 12 C o p y r i g h t 2 0 0 2 2 0 1 2 C a m p b e l l S c i e n t i f i c I n c ...

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Page 3: ...removing reinstalling and shipping defective products to Campbell Campbell will return such products by surface carrier prepaid within the continental United States of America To all other locations Campbell will return such products best way CIP Port of Entry INCOTERM 2010 prepaid This warranty shall not apply to any products which have been subjected to modification misuse neglect improper servi...

Page 4: ...ng container Campbell Scientific s shipping address is CAMPBELL SCIENTIFIC INC RMA _____ 815 West 1800 North Logan Utah 84321 1784 For all returns the customer must fill out a Statement of Product Cleanliness and Decontamination form and comply with the requirements specified in it The form is available from our web site at www campbellsci com repair A completed form must be either emailed to repa...

Page 5: ...rformance for 500 to 1100 mb Range Option 7 6 1 3 Performance for 800 to 1100 mb Range Option 7 6 2 Electrical 7 6 3 Physical 7 7 Installation 8 7 1 Enclosure Considerations 8 7 2 Wiring 9 7 2 1 Datalogger Connection 9 7 2 2 5 pin Screw Terminal Plug Connector 10 7 3 Programming 11 7 3 1 Conversion Factors 11 7 3 2 Multipliers and Offsets for Different Measurement Range Options 11 7 3 3 Program Ex...

Page 6: ...that can house one CS100 8 7 2 CS100 as removed from the box 9 7 3 Connector key attached to 5 pin screw terminal plug connector 10 Tables 7 1 Signal and Ground Connectors for CS100 10 7 2 Conversion Factors for Alternative Pressure Units 11 7 3 Multipliers and Offsets 11 7 4 Wiring for Example Programs 12 ...

Page 7: ...t If damage to the cable is suspected consult with a Campbell Scientific applications engineer Although the CS100 is rugged it should be handled as a precision scientific instrument The black outer jacket of the cable is Santoprene rubber This compound was chosen for its resistance to temperature extremes moisture and UV degradation However this jacket will support combustion in air It is rated as...

Page 8: ...at water cannot enter the sensor 4 2 Step 2 Use SCWin Short Cut to Program Datalogger and Generate Wiring Diagram The simplest method for programming the datalogger to measure the CS100 is to use Campbell Scientific s SCWin Short Cut Program Generator 1 Open Short Cut and click on New Program 2 Select a datalogger and scan interval 2 ...

Page 9: ... add the sensor to the list of sensors to be measured 4 Define the name of the public variables Variable defaults to BP_mmHg that holds the barometric pressure measurements Select the desired units of measure pressure range sea level elevation correction elevation correction units and whether the sensor should be measured hourly 3 ...

Page 10: ...nerated by SCWin Short Cut Improper wiring may damage the CS100 beyond repair WARNING 5 Overview The CS100 is a capacitive pressure transducer that uses the Setra s electrical capacitor technology for barometric pressure measurements over the 600 to 1100 millibar range The transducer s compact and rugged polyester housing with stainless blackplate contains two closely spaced parallel electrically ...

Page 11: ... then powers down the barometer after the measurements to conserve power Other measurement range options such as 500 to 1100 millibar and 800 to 1100 millibar are also available Please contact Campbell Scientific Inc for ordering these special versions Campbell Scientific offers the CS100 QD a version of the CS100 that includes a connector for use with a RAWS F or RAWS P weather station refer to t...

Page 12: ...or Standard Range Option Measurement Range 600 mb to 1100 mb hPa Operating TemperatureRange 40 to 60 C 40 to 140 F Storage Temperature Range 60 to 120 C 76 to 248 F Proof Pressure 1500 mb Burst Pressure 2000 mb Humidity Range non condensing up to 95 RH Media Compatibility non corrosive non condensing air or gas Resolution 0 01 mb Total Accuracy1 0 5 mb 20 C 1 0 mb 0 to 40 C 1 5 mb 20 to 50 C 2 0 m...

Page 13: ... to 2 5 Vdc Warm up Time 1 s from shutdown mode Response Time 100 ms 6 3 Physical Dimensions Main Box 9 1 x 6 1 x 2 5 cm 3 6 x 2 4 x 1 0 in Weight 135 g 4 8 oz Mounting Hole Centers 7 62 cm 3 in Pressure Connector 1 8 in ID barbed fitting The black outer jacket of the cable is Santoprene rubber This compound was chosen for its resistance to temperature extremes moisture and UV degradation However ...

Page 14: ...is typically mounted in a Campbell Scientific enclosure next to the datalogger Campbell Scientific also offers the ENC100 for situations where it is desirable to house the CS100 in its own enclosure The ENC100 is a 6 7 in x 5 5 in x 3 7 in enclosure that includes a compression fitting for cable entry a vent for equalization with the atmosphere a backplate for mounting the CS100 and hardware for mo...

Page 15: ...the outer wall In this situation do not make the hole on one of the vertical side walls as wind blowing around it can cause transient changes in pressure NOTE 7 2 Wiring 7 2 1 Datalogger Connection Before connecting the barometer to the datalogger a yellow warning label must be removed from the pigtails see FIGURE 7 2 The warning label reminds the user of the importance of properly connecting the ...

Page 16: ...0 X CR500 CR510 Other Dataloggers G CR10 X CR500 CR510 Other Dataloggers Improper wiring may damage the CS100 beyond repair WARNING 7 2 2 5 pin Screw Terminal Plug Connector The datalogger connects to the CS100 via a 5 pin screw terminal plug connector This connector is removable and may be replaced The replacement connector may come with a connector key attached to it to ensure that the connector...

Page 17: ...onversion factor using the P37 Z X F instruction for CR500 CR510 CR10 X CR23X 21X and CR7 or by adding an expression for CR200 X CR800 CR850 CR1000 CR3000 CR5000 and CR9000 X dataloggers See TABLE 7 2 below for conversion factors TABLE 7 2 Conversion Factors for Alternative Pressure Units To Find Multiply by hPa 1 0 kPa 0 1 mm of Hg 0 75006 in of Hg 0 02953 Psi 0 0145 Atm 0 00099 Torr 0 75006 7 3 ...

Page 18: ...xample the CR1000 measures the CS100 once an hour To do this the CR1000 uses a control port to turn on the CS100 one minute before the top of the hour On the hour the datalogger measures the CS100 and then turns the CS100 off CR1000 Declare Variables and Units Public BattV Public PTemp_C Public BP_mmHg Units BattV Volts Units PTemp_C Deg C Units BP_mmHg mmHg Define Data Tables DataTable Table1 Tru...

Page 19: ...emp Once the CS100 is turned on one minute before the hour the CS100 starts to make the correct pressure measurements At the top of the hour the correct value is copied into the current variable called pressure and the sensor is turned off immediately CR1000 Datalogger Public CS100_temp Public pressure Units pressure mbar DataTable met_data True 1 DataInterval 0 60 min 10 Sample 1 pressure IEEE4 E...

Page 20: ...before the hour 1 If time is P92 1 59 Minutes Seconds into a 2 60 Interval same units as above 3 48 Set Port 8 High Measure CS100 at the top of the hour 2 If time is P92 1 0 Minutes Seconds into a 2 60 Interval same units as above 3 30 Then Do 3 Volt SE P1 1 1 Reps 2 15 2500 mV Fast Range 3 6 SE Channel 4 1 Loc P_mb 5 0 2 Multiplier 6 600 Offset Turn off CS100 4 Do P86 1 58 Set Port 8 Low 5 End P9...

Page 21: ... digit of resolution e g at 900 mb the resolution is limited to 1 mb To retain 0 01 mb resolution you either need to deduct a fixed offset from the reading before it is stored to avoid exceeding the 799 9 for CRBasic dataloggers or 699 9 for Edlog dataloggers threshold or output the barometric reading in high resolution format This can be done by using the IEEE4 format for the CR800 CR850 CR1000 C...

Page 22: ...re it is clean and dry 2 Visually inspect the casing for damage 3 Ensure that the pneumatic connection and pipe are secure and undamaged The external case can be cleaned with a damp lint free cloth and a mild detergent solution Contact Campbell Scientific Inc 435 227 9000 for an RMA number before returning the sensor for recalibration You may also return the unit directly to Setra for recalibratio...

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Page 24: ...entific Canada Corp CSC 11564 149th Street NW Edmonton Alberta T5M 1W7 CANADA www campbellsci ca dataloggers campbellsci ca Campbell Scientific Centro Caribe S A CSCC 300 N Cementerio Edificio Breller Santo Domingo Heredia 40305 COSTA RICA www campbellsci cc info campbellsci cc Campbell Scientific Ltd CSL Campbell Park 80 Hathern Road Shepshed Loughborough LE12 9GX UNITED KINGDOM www campbellsci c...

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