Campbell 10162 Manual de usuario
INSTRUCTION MANUAL
10162 Enclosure
Relative Humidity Sensor
Revision: 3/01
Copyright (c) 1996-2001
Campbell Scientific, Inc.
Warranty and Assistance
The 10162 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.
i
10162 Table of Contents
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1. General........................................................................1
2. Specifications .............................................................1
3. Installation...................................................................1
4. Wiring ..........................................................................2
5. Example Programs .....................................................2
6. Enclosure Humidity....................................................4
7. Maintenance................................................................4
This is a blank page.
1
10162 Enclosure Humidity Sensor
1. General
The 10162 Enclosure Humidity sensor contains a Elan HM2000 series precision
bulkpolymer relative humidity sensor. It is used to monitor the relative humidity
inside an equipment enclosure deployed in the field.
2. Specifications
Sensor: Elan HM2000 series precision bulkpolymer
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): 1.5 minutes 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.)
Power Consumption: <0.5 mA
Supply Voltage: 5 ±0.25 VDC
Settling Time: 3 minutes
3. Installation
Mount the 10162 inside the environmental enclosure 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
10162 Enclosure Humidity Sensor
2
CAMPBELL
SCIENTIFIC
INC.
AG HL
4
AG HL
5
AG HL
6
AG E3 AG GG
AG HL
1
AG HL
2
AG HL
3
AG E3 AG GG
DEF
SE
DEF
SE
789101112
123456
EARTH
G5V P1 C8
5V P2 C7 C6 C5 C4 C3 C2 C1
SWITHCED
12V
CONTROL
GGGG12V 12V
SWITHCED
12V
CR10
MADE IN USA
WIRING PANEL NO.
SERIALI/O
G
Clear
-
G
Black-5V OR CONTROL
White-SINGLE END
E
FIGURE 1. 10162 Wiring and Installation
TABLE 1. Datalogger Connections
Description Color CR10(X), CR500,
CR23X
21X, CR7
Relative Humidity White Single-Ended Input Single-Ended Input
Signal & Power
Reference
Clear G
Power Black 5 V Control Port
4. Wiring
Connections to Campbell Scientific dataloggers are given in Table 1. The
probe is measured by a single-ended analog input channel.
5. Example Programs
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 10162 is measured using a single-ended
analog measurement (Instruction 1).
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.
Clear Signal & Power Reference
Black 5 VDC Power
White Signal
10162 Enclosure Humidity Sensor
3
TABLE 2. Calibration for
Relative Humidity
Units Multiplier
(% mV-1)
Offset
(%)
Percent 0.1 0
TABLE 3. Wiring for Example 1
Description Color CR10(X)
Relative Humidity White SE 6 (3L)
Signal & Power Reference Clear G
Power Black 5 VDC
Example 1. Sample CR10(X) Program
;Measure the 10162 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
TABLE 4. Wiring for Example 2
Description Color 21X
Relative Humidity White SE 9 (5H)
Signal & Power Reference Clear GND
Power Black C1
Example 2. Sample 21X Program
;Turn the 10162 probe on and leave it on.
;
01: Do (P86)
1: 41 Set Port 1 High ;Black wire (C1)
;Measure the 10162 relative humidity.
;
02: Volt (SE) (P1)
1: 1 Reps
2: 5 5000 mV Slow Range ;CR10(X),CR510 (2500 mV); CR23X
(1000 mV); CR7 (1500 mV)
3: 9 SE Channel ;White wire (SE 9), Clear wire (GND)
4: 1 Loc [ RH_enc ]
5: .1 Mult
6: 0 Offset
10162 Enclosure Humidity Sensor
4
6. Enclosure Humidity
Change the enclosure desiccant packs (model number DSC 20/4) when the
enclosure relative humidity exceeds 35%.
Campbell Scientific recommends that all cable entry ports, that do not use a
sealed bulkhead connector, be sealed with plumbers putty and that desiccant
packs be placed inside the enclosure. Spikes in the enclosure humidity are a
result of opening the enclosure door and allowing ambient air inside the
enclosure. The enclosure relative humidity will return its nominal values
(values before the enclosure door was opened) in approximately three to four
hours.
7. Maintenance
The 10162 does not have any user serviceable parts nor does it require any
routine maintenance.
Replace the 10162 probe every three to five years of continuous use. If the
probe fails, replace it with a new one.
This is a blank page.
Campbell Scientific Companies
Campbell Scientific, Inc. (CSI)
815 West 1800 North
Logan, Utah 84321
UNITED STATES
www.campbellsci.com
info@campbellsci.com
Campbell Scientific Africa Pty. Ltd. (CSAf)
PO Box 2450
Somerset West 7129
SOUTH AFRICA
www.csafrica.co.za
Campbell Scientific Australia Pty. Ltd. (CSA)
PO Box 444
Thuringowa Central
QLD 4812 AUSTRALIA
www.campbellsci.com.au
Campbell Scientific do Brazil Ltda. (CSB)
Rua Luisa Crapsi Orsi, 15 Butantã
CEP: 005543-000 São Paulo SP BRAZIL
www.campbellsci.com.br
suporte@campbellsci.com.br
Campbell Scientific Canada Corp. (CSC)
11564 - 149th Street NW
Edmonton, Alberta T5M 1W7
CANADA
www.campbellsci.ca
dataloggers@campbellsci.ca
Campbell Scientific Ltd. (CSL)
Campbell Park
80 Hathern Road
Shepshed, Loughborough LE12 9GX
UNITED KINGDOM
www.campbellsci.co.uk
Campbell Scientific Ltd. (France)
Miniparc du Verger - Bat. H
1, rue de Terre Neuve - Les Ulis
91967 COURTABOEUF CEDEX
FRANCE
www.campbellsci.fr
campbell.scientifi[email protected]r
Campbell Scientific Spain, S. L.
Psg. Font 14, local 8
08013 Barcelona
SPAIN
www.campbellsci.es
info@campbellsci.es
Please visit www.campbellsci.com to obtain contact information for your local US or International representative.
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