Campbell HC2S3 Manual de usuario

HC2S3 Temperature and Relative Humidity Probe User Manual Issued: 12.12.12 Copyright © 2005-2012 Cam

HC2S3 Temperature and Relative Humidity Probe 2 4. Quickstart 4.1 Step 1 — Mount the Probe Review Section 7.2, Installation for complete instruction

User Manual 3 3. Select HC2S3 Temperature and Relative Humidity Sensor and choose either constant power or panel switched power (uses less current),

HC2S3 Temperature and Relative Humidity Probe 4 5. Choose the outputs for the AirTC and RH and then select finish. 6. Wire according to the wiring

User Manual 5 5. General Description The HC2S3 is a digital probe with 0 to 1 V linear output signals for temperature and humidity, and a UART serial

HC2S3 Temperature and Relative Humidity Probe 6 6.1 Temperature Sensor Sensor: PT100 RTD, IEC 751 1/3 Class B, with calibrated signal conditioning T

User Manual 7 RH Accuracy over Temperature: The black outer jacket of the cable is Santoprene® rubber. This compound was chosen for its resistance t

HC2S3 Temperature and Relative Humidity Probe 8 7.2 Assembly and Mounting Attach the probe to the cable by aligning the keyed connectors, pushing the

User Manual 9 8. Wiring Connections to Campbell Scientific dataloggers for measuring humidity and temperature using two single-ended or two differen

HC2S3 Temperature and Relative Humidity Probe 10 Table 8-2. Connections for Differential Measurements Colour Description CR1000, CR3000, CR80

User Manual 11 Table 9-1. Temperature Units Multiplier (degrees mV-1) Offset (degrees) Celsius 0.1 -40 Fahrenheit 0.18 -40 Table 9-2. Humidity

User Manual 12 Table 9-3. Wiring for Single-ended Measurement Examples Colour Description CR1000 CR10(X) Brown Temperature SE 2 SE 2 White Rel

User Manual 13 CR10(X) program using single-ended measurement instructions ;{CR10X} program to measure HC2S3 with single-ended inputs *Table 1 Progr

HC2S3 Temperature and Relative Humidity Probe 14 1: 0 Minutes (Seconds --) into a 2: 60 Interval (same units as above) 3: 10 Set Output

User Manual 15 SlowSequence 'measure HC2S3 every 5 seconds Scan (5,Sec,0,0) 'HC2S3 Temperature & Relative Humidity `Note this

HC2S3 Temperature and Relative Humidity Probe 16 CR1000 program using differential measurements 'CR1000 program to measure HC2S3 with differentia

User Manual 17 4: If (X<=>F) (P89) 1: 4 X Loc [ RH ] 2: 4 < 3: 103 F 4: 30 Then Do 5: Z=F x 10^n (P30) 1:

HC2S3 Temperature and Relative Humidity Probe 18 )' (1000 m 304.8 mV 4.71 )' (1000 m 304.8 .377 mA 2 =Ω∗=∗= RIVd (1) This voltage dro

User Manual 19 A voltmeter can be used to check the output voltage for temperature and relative humidity on the brown and white wires respectively (

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

Guarantee This equipment is guaranteed against defects in materials and workmanship. This guarantee applies for twelve months from date of delivery.

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

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

Appendix B. Changing the HC2S3 Settings B-2 Prior to using the AC3001 cable, the ROTRONIC USB driver must be installed on the PC. Both the driver and

Appendix B. Changing the HC2S3 Settings B-3 Click on “Device Manager”, select “Analogue Outputs” to see the following screen: Change the lower and u

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

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

Appendix C. HC2S3 Digital Communications C-2 Command Format: { ID Adr RDD Chksum or } CR Answer format: { ID Adr RDD Chksum or }

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

Appendix C. HC2S3 Digital Communications C-4 Sensor Wiring: E2-05XX-MOD Cable MD485 CR1000 Blue A Red B Green 12V Grey/Yellow G C

Appendix C. HC2S3 Digital Communications C-5 RH=RH_Str TempC=TempC_Str CallTable Table1 NextScan EndProg C.4 RS-485 Communications usin

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

CAMPBELL SCIENTIFIC COMPANIES Campbell Scientific, Inc. (CSI) 815 West 1800 North Logan, Utah 84321 UNITED STATES www.campbellsci.com • info@campbel

PLEASE READ FIRST About this manual Please note that this manual was originally produced by Campbell Scientific Inc. primarily for the North American

i Contents PDF viewers: These page numbers refer to the printed version of this document. Use the PDF reader bookmarks tab for links to specific sec

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

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