Campbell CS210 Manual de usuario

CS210 Enclosure

Relative Humidity Sensor

Revision: 10/07

Campbell Scientific, Inc.

Warranty and Assistance

The CS210 ENCLOSURE RELATIVE HUMIDITY SENSOR is warranted

by CAMPBELL SCIENTIFIC, INC. to be free from defects in materials and

workmanship under normal use and service for twelve (12) months from date

of shipment unless specified otherwise. Batteries have no warranty.

CAMPBELL SCIENTIFIC, INC.'s obligation under this warranty is limited to

repairing or replacing (at CAMPBELL SCIENTIFIC, INC.'s option) defective

products. The customer shall assume all costs of removing, reinstalling, and

shipping defective products to CAMPBELL SCIENTIFIC, INC. CAMPBELL

SCIENTIFIC, INC. will return such products by surface carrier prepaid. This

warranty shall not apply to any CAMPBELL SCIENTIFIC, INC. products

which have been subjected to modification, misuse, neglect, accidents of

nature, or shipping damage. This warranty is in lieu of all other warranties,

expressed or implied, including warranties of merchantability or fitness for a

particular purpose. CAMPBELL SCIENTIFIC, INC. is not liable for special,

indirect, incidental, or consequential damages.

Products may not be returned without prior authorization. The following

contact information is for US and International customers residing in countries

served by Campbell Scientific, Inc. directly. Affiliate companies handle

repairs for customers within their territories. Please visit

www.campbellsci.com to determine which Campbell Scientific company

serves your country. To obtain a Returned Materials Authorization (RMA),

contact CAMPBELL SCIENTIFIC, INC., phone (435) 753-2342. After an

applications engineer determines the nature of the problem, an RMA number

will be issued. Please write this number clearly on the outside of the shipping

container. CAMPBELL SCIENTIFIC's shipping address is:

CAMPBELL SCIENTIFIC, INC.

RMA#_____

815 West 1800 North

Logan, Utah 84321-1784

CAMPBELL SCIENTIFIC, INC. does not accept collect calls.

CS210 Table of Contents

PDF viewers note: These page numbers refer to the printed version of this document. Use

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1. General .........................................................................1

2. Specifications ..............................................................1

3. Installation....................................................................1

4. Wiring............................................................................2

5. Programming ...............................................................3

5.1 CRBasic Examples ...................................................................................3

5.2 Edlog Examples........................................................................................5

6. Enclosure Humidity.....................................................7

7. Maintenance.................................................................7

Figures

1. CS210 Installed on a CR1000.....................................................................2

2. CS210 Wiring.............................................................................................2

Tables

1. Datalogger Connections..............................................................................2

2. Calibration for Relative Humidity..............................................................3

3. Wiring for Examples 3 and 4......................................................................5

This is a blank page.

CS210 Enclosure Humidity Sensor

1. General

The CS210 Enclosure Humidity sensor contains an Elan HM2000 series precision

bulk-polymer relative humidity sensor. It is used to monitor the relative humidity

inside an equipment enclosure deployed in the field.

The CS210 was once known as the 10162.

NOTE

2. Specifications

Sensor: Elan HM2000 series precision bulk-polymer

Relative Humidity Measurement Range: 0 to 100% non-condensing

RH Output Signal Range: 0 to 1.0 VDC

Accuracy at 25°C

unspecified (0 to 10% Relative Humidity)

±3% RH (10 to 90% Relative Humidity)

unspecified (90 to 100% Relative Humidity)

Typical Long Term Stability: Better than 3% RH per year

Response Time (at 25°C, 90% response): 10 seconds for a 30% to 90% RH

step change

Operating Temperature: 0°C to +50°C

Storage Temperature: -40°C to +80°C

Probe Length: 2.6 cm (1.02 in.)

Probe Cross Section Area: 0.6 cm x 1.1 cm (0.23 in. x 0.43 in.)

Current Consumption: <0.5 mA

Supply Voltage: 5 ±0.25 VDC

Settling Time: 10 seconds

3. Installation

Mount the CS210 inside the environmental enclosure or onto a datalogger

using the mounting block and the wire tie included with the sensor (Figure 1).

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.

NOTE

CS210 Enclosure Humidity Sensor

FIGURE 1. CS210 Installed on a CR1000

4. Wiring

Connections to Campbell Scientific dataloggers are given in Table 1 and

Figure 2. The probe is measured by a single-ended analog input channel.

TABLE 1. Datalogger Connections

Description

Color

CR200-series

CR800, CR850, CR1000,

CR3000, CR5000, CR9000(X),

CR10(X), CR500, CR510, CR23X

21X

Relative Humidity White Single-Ended Single-Ended Input Single-Ended

Input

Signal and Power

Reference Clear G G

Power Black C2 5 V Control Port

Signal and Power Reference Clear

5 VDC Power Black

Signal White

FIGURE 2. CS210 Wiring

CS210 Enclosure Humidity Sensor

5. Programming

This section is for users who write their own datalogger programs. A

datalogger program to measure this sensor can be created using Campbell

Scientific’s Short Cut Program Builder Software. You do not need to read this

section to use Short Cut.

The relative humidity signal from the CS210 is measured using a single-ended

analog measurement (CRBasic instruction SEVolt or Edlog Instruction 1). The

CR200 series and 21X use a control port to power the CS210. At the

beginning of the program, the control port needs to be turned on, and the port

should remain on. It takes the CS210 approximately 10 seconds for the

reading to become stable after the port has been turned on. Depending on the

scan rate, the first few measurements from the CS210 could be low.

The probe output scale is 0 to 1000 millivolts for the relative humidity range of

0 to 100%. Table 2 provides calibration information for relative humidity.

TABLE 2. Calibration for

Relative Humidity

Units Multiplier

(% mV-1) Offset

(%)

Percent 0.1 0

5.1 CRBasic Examples

Example 1 is a sample CRBasic program written for a CR1000, but our

CR800, CR850, CR3000, CR5000, and CR9000(X) dataloggers are

programmed similarly.

Example 2 is a CRBasic program written for a CR200 datalogger. The CR200

program turns on control port 2 to power the CS210. Notice that the scan rate

is set at 10 seconds. The sensor won’t give a good reading until the second

scan.

Example 1. Sample CR1000 Program

'CR1000 Series Datalogger

'SENSOR WIRING

'CS210

'Black: 5V

'White: SE1

'Clear: G

'Declare Public Variables

Public PanelTempC

Public Batt_Volt

Public Enc_RH

CS210 Enclosure Humidity Sensor

'Define Data Tables

DataTable (Daily,1,-1)

DataInterval (0,1,Day,10)

Minimum (1,Batt_Volt,FP2,0,False)

Minimum (1,PanelTempC,FP2,False,False)

Maximum (1,PanelTempC,FP2,False,False)

Maximum (1,Enc_RH,FP2,False,False)

EndTable

'Main Program

BeginProg

Scan (10,Sec,0,0)

PanelTemp (PanelTempC,250)

Battery (Batt_volt)

'Measure CS210. Sensor is on all the time. Don't need a delay.

VoltSe (Enc_RH,1,mV2500,1,1,0,250,0.1,0)

'Set the sensor to 100% if it exceeds 100%.

If Enc_RH > 100 Then Enc_RH = 100

CallTable Daily

NextScan

EndProg

Example 2. Sample CR200 Program

'CR200 Series Datalogger

'To create a different opening program template, type in new

'instructions and select Template | Save as Default Template

'date:

'program author:

'SENSOR WIRING

'CS210

'Black: C2

'White: SE1

'Clear: G

'Declare Public Variables

'Example:

Public batt_volt

Public Enc_RH

'Define Data Tables

DataTable (Daily,1,-1)

DataInterval (0,24,hr)

Minimum (1,batt_volt,0,0)

Maximum (1,Enc_RH,False,0)

EndTable

CS210 Enclosure Humidity Sensor

'Main Program

BeginProg

Scan (10,Sec)

Battery (Batt_volt)

'Power the CS210 using C2 and leave it on.

PortSet (C2,1 )

VoltSe (Enc_RH,1,1,0.1,0)

'Set the sensor to 100% if it exceeds 100%.

If Enc_RH > 100 Then Enc_RH = 100

CallTable Daily

NextScan

EndProg

5.2 Edlog Examples

Example 3 is a portion of a CR10(X) program, but our CR500, CR510, and

CR23X dataloggers are programmed similarly. Wiring used for the CR10(X)

program is included in Table 3.

Example 4 is an Edlog program written for a 21X Micrologger; wiring used for

the 21X program is included in Table 3. The 21X program turns on control

port 1 to power the CS210. Notice that the scan rate is set at 10 seconds. The

sensor won’t give a good reading until the second scan.

TABLE 3. Wiring for Examples 3 and 4

Description Color CR10(X) 21X

Relative Humidity White SE 6 (3L) SE 1 (1H)

Signal & Power Reference Clear G G

Power Black 5 VDC C1

Example 3. Sample CR10(X) Program

;Measure the CS210 relative humidity.

;

01: Volt (SE) (P1)

1: 1 Reps

2: 5 2500 mV Slow Range ;CR510 (2500 mV); CR23X (1000 mV)

3: 6 SE Channel ;White wire (SE 6), Clear wire (G)

4: 3 Loc [ RH_enc ]

5: .1 Mult

6: 0 Offset

CS210 Enclosure Humidity Sensor

Example 4. Sample 21X Program

;{21X}

;

*Table 1 Program

01: 10 Execution Interval (seconds)

1: Batt Voltage (P10)

1: 1 Loc [ Batt_Volt ]

2: Panel Temperature (P17)

1: 2 Loc [ PnlTempC ]

;Turn the CS210 on and leave it on.

;The CS210 needs approximately 10 seconds to stabilize. First scan will be low.

3: Do (P86)

1: 41 Set Port 1 High

4: Volt (SE) (P1)

1: 1 Reps

2: 15 5000 mV Fast Range

3: 1 SE Channel

4: 3 Loc [ Enc_RH ]

5: 0.1 Multiplier

6: 0 Offset

5: If time is (P92)

1: 0 Minutes into a

2: 1440 Minute Interval

3: 10 Set Output Flag High

6: Set Active Storage Area (P80)

1: 1 Final Storage

2: 100 Array ID

7: Real Time (P77)

1: 1220 Year,Day,Hour/Minute (midnight = 2400)

8: Minimum (P74)

1: 1 Reps

2: 0 Value Only

3: 1 Loc [ Batt_Volt ]

9: Minimum (P74)

1: 1 Reps

2: 0 Value Only

3: 2 Loc [ PnlTempC ]

10: Maximum (P73)

1: 1 Reps

2: 0 Value Only

3: 2 Loc [ PnlTempC ]

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