CS100 Barometric
Pressure Sensor
Revision: 8/12
Copyright © 2002-2012
Campbell Scientific, Inc.
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Table of Contents
PDF viewers: These page numbers refer to the printed version of this document. Use the
PDF reader bookmarks tab for links to specific sections.
1. Introduction.................................................................1
2. Cautionary Statements...............................................1
3. Initial Inspection .........................................................1
4. Quickstart .................................................................... 1
4.1 Step 1 — Mount Sensor to an Enclosure Backplate.............................1
4.2 Step 2 — Use SCWin Short Cut to Program Datalogger and
Generate Wiring Diagram.................................................................2
5. Overview......................................................................4
6. Specifications .............................................................6
6.1 Performance .........................................................................................6
6.1.1 Performance for “Standard” Range Option...................................6
6.1.2 Performance 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 Examples ......................................................................12
7.3.3.1 CRBasic Example 1: CR1000 Program Using
Sequential Mode ...........................................................12
7.3.3.2 CRBasic Example 2: CR1000 Program Using
Pipeline Mode...............................................................13
7.3.3.3 Edlog Example — CR10X Program ................................14
7.3.4 Output Resolution .......................................................................15
7.4 Correcting Pressure to Sea Level .......................................................15
8. Maintenance and Calibration ...................................16
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Table of Contents
Figures
5-1. CS100 Barometric Pressure Sensor..................................................... 5
7-1. ENC100 is a very small enclosure 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
ii
CS100 Barometric Pressure Sensor
1. Introduction
The CS100 measures barometric pressure for the range of 600 to 1100 mb.
This range equates to from below sea level (as in a mine) up to 12,000 feet
above sea level. Designed for use in environmental applications, the CS100 is
compatible with all Campbell Scientific dataloggers.
Before using the CS100, please study
• Section 2, Cautionary Statements
• Section 3, Initial Inspection
• Section 4, Quickstart
More details are available in the remaining sections.
2. Cautionary Statements
• Warning: Failure to protect the sensor from condensation may result in
permanent damage.
• Warning: Improper wiring may damage the CS100 beyond repair.
• Care should be taken when opening the shipping package to not damage or
cut the cable jacket. 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 slow burning when tested according to U.L. 94 H.B. and will
pass FMVSS302. Local fire codes may preclude its use inside buildings.
3. Initial Inspection
• Upon receipt of the CS100, inspect the packaging and contents for
damage. File damage claims with the shipping company.
4. Quickstart
4.1 Step 1 — Mount Sensor to an Enclosure Backplate
The mounting holes for the sensor are one-inch-centered (three inches apart),
and will mount directly onto the holes on the backplates of the Campbell
Scientific enclosures. Mount the sensor with the pneumatic connector pointing
1
CS100 Barometric Pressure Sensor
vertically downwards to prevent condensation collecting in the pressure cavity,
and also to ensure that 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
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