Campbell HC2S3 Manuel Page 1

HC2S3 Temperature and Relative Humidity ProbeRevision: 10/12 Copyright © 1990-2012Campbell Scientific, Inc.

Model HC2S3 Temperature and Relative Humidity Probe 4.2 Step 2 — Use SCWin Short Cut to Program Datalogger and Generate Wiring Diagram The simplest m

Model HC2S3 Temperature and Relative Humidity Probe 3. Select HC2S3 Temperature and Relative Humidity Sensor and choose either constant power or pane

Model HC2S3 Temperature and Relative Humidity Probe 5. Choose the outputs for the AirTC and RH and then select finish. 6. Wire according to the wi

Model HC2S3 Temperature and Relative Humidity Probe 5. Overview The HC2S3 is a digital probe with 0 to 1 V linear output signals for temperature and

Model HC2S3 Temperature and Relative Humidity Probe The HC2S3-L's cable can terminate in: • Pigtails that connect directly to a Campbell Scienti

Model HC2S3 Temperature and Relative Humidity Probe Power Consumption: <4.3 mA @ 5 V <2.0 mA @ 12 V Supply Voltage (using CSI cable): 5 t

Model HC2S3 Temperature and Relative Humidity Probe 6.2 Relative Humidity Sensor Sensor: ROTRONIC Hygromer® IN1 Relative Humidity Measurement Range:

Model HC2S3 Temperature and Relative Humidity Probe 7. Installation 7.1 Siting Sensors should be located over an open level area at least 9 m (EPA)

Model HC2S3 Temperature and Relative Humidity Probe The HC2S3 draws approximately 2 mA powered from 12V. The HC2S3 can be continuously powered from t

Model HC2S3 Temperature and Relative Humidity Probe TABLE 7-2. Connections for Differential Measurements Color Description CR1000, CR3000, C

Model HC2S3 Temperature and Relative Humidity Probe The HC2S3 output scale is 0 to 1000 mV for the temperature range of -40° to +60°C and 0 to 1000 m

Model HC2S3 Temperature and Relative Humidity Probe CR1000 program using single-ended measurements 'CR1000 program to measure HC2S3 with single-e

Model HC2S3 Temperature and Relative Humidity Probe 4: Volt (SE) (P1) 1: 1 Reps 2: 25 2500 mV 60 Hz Rejection Range 3: 4 SE Channel 4:

Model HC2S3 Temperature and Relative Humidity Probe CR1000 program using single-ended measurements in Slow Sequence scan The following program example

Model HC2S3 Temperature and Relative Humidity Probe TABLE 7-6. Wiring for Differential Measurement Examples Color Description CR1000 CR10(X) Brown T

Model HC2S3 Temperature and Relative Humidity Probe 2: Volt (Diff) (P2) 1: 1 Reps 2: 25 2500 mV 60 Hz Rejection Range 3: 2 DIF

Model HC2S3 Temperature and Relative Humidity Probe The signal reference (yellow) and the power ground (gray) are in common inside the HC2S3. When th

Model HC2S3 Temperature and Relative Humidity Probe 9. Troubleshooting Symptom: -9999, NAN, -40°C, or 0 % relative humidity 1. Check that the sensor

Model HC2S3 Temperature and Relative Humidity Probe 22 Lowe, P. R., 1977: An approximating polynomial for the computation of saturation vapor pressur

Appendix A. Absolute Humidity The HC2S3 measures the relative humidity. Relative humidity is defined by the equation below: 100 eeRHs∗= (A-1) wh

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Appendix A. Absolute Humidity A-2 CR1000 Program that Computes Vapor Pressure and Saturation Vapor Pressure 'CR1000 program that calculates Vapo

Appendix B. Changing the HC2S3 Settings B.1 HC2S3 Default Settings The HC2S3 probe has the following default settings, which can be changed as desc

Appendix B. Changing the HC2S3 Settings B.2 Software and Hardware Requirements For temperature (Analog Output 2), the HC2S3 default range is -40 to

Appendix B. Changing the HC2S3 Settings Click on “Device Manager”, select “Analog Outputs” to see the following screen: Change the lower and upper r

Appendix B. Changing the HC2S3 Settings B-4 Example measurement instructions for CR1000 datalogger, with the sensor wired to SE channel 2: Public Air

Appendix C. HC2S3 Digital Communications C.1 HC2S3 Digital Interface Specifications The HC2S3 has a UART (Universal Asynchronous Receiver Transmitt

Appendix C. HC2S3 Digital Communications Command Format: { ID Adr RDD Chksum or } CR Answer format: { ID Adr RDD Chksum or } C

Appendix C. HC2S3 Digital Communications C.3 RS-485 Communications using an MD485 RS-485 Interface The HC2S3 can be interfaced to a CSI datalogger t

Appendix C. HC2S3 Digital Communications Sensor Wiring: E2-05XX-MOD Cable MD485 CR1000 Blue A Red B Green 12V Gray/Yellow G Clear

Appendix C. HC2S3 Digital Communications C.4 RS-485 Communications using an SDM-SIO1 Serial I/O Module The HC2S3 can be interfaced to a CSI datalogg

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Appendix C. HC2S3 Digital Communications C-6 Example CR1000 Program: 'CR1000 Program 'Declare variables Public SerialIndest As String * 100

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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 spec

Table of Contents ii Appendices A. Absolute Humidity ...A-1 A.1 Measurement Below 0°C...

Model HC2S3 Temperature and Relative Humidity Probe 1. Introduction The HC2S3 is a rugged, accurate temperature/RH probe that is ideal for long-term

Model HC2S3 Temperature and Relative Humidity Probe 3.1 Ships With The HC2S3 ships with: (1) 27731 Gill Radiation Shield Hex Plug (1) Calibration Car

Model HC2S3 Temperature and Relative Humidity Probe FIGURE 4-1. HC2S3 and 41003-5 Radiation Shield on a tripod mast FIGURE 4-2. HC2S3 and 41003-5