Extech Instruments SD800 Manuale utente
USER MANUAL
CO2/Humidity/Temperature
Datalogger
Model SD800
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2
Introduction
Congratulations on your purchase of the Extech SD800 CO2/Temperature/Humidity Datalogger.
This meter measures, displays, and stores CO2, temperature and relative humidity readings. Data is
stored on a SD card for transfer to a PC. This meter is shipped fully tested and calibrated and, with
proper use, will provide years of reliable service
Features
LCD simultaneously displays Carbon Dioxide, Temperature and Relative Humidity
Datalogger date/time stamps and stores readings on an SD card in Excel® format for easy
transfer to a PC
Selectable data sampling rate: 5, 10, 30, 60, 120, 300, 600 seconds
Product Description
1. Humidity/Temperature Sensor
2. Humidity Display
3. Temperature Display
4. CO2 Display
5. LOG (ENTER) button
6. SET button
7. AC adaptor socket
8. CO2 probe socket
9.
10.
11. Reset button
12. RS-232 output
13. SD memory card socket
14. CO
2
probe
15. CO
2
plug
Note: Battery Compartment and Tilt Stand are located on the back of the meter.
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Operation
Setup
1. Connect the CO2 probe to the datalogger by inserting the plug into the connector on the bottom
of the datalogger.
2. Connect the AC adaptor to the datalogger by inserting the plug into the connector on the
bottom of the datalogger.
3. Insert the 6 AAA batteries into the battery compartment. Without these batteries installed, the
real time clock will reset every time the ac adaptor is disconnected.
Datalogging
1. Open the left side door and insert a formatted SD card
Note: The SD card should be at least 1GB in capacity (4GB to 16GB recommended)
Note: Do not use memory cards formatted by other meters or cameras. Use the SD card
formatting procedure under the advanced features section of this manual to correctly
format the card.
Note: The internal clock must be set to the correct time See the advanced features section of
this manual to set the clock.
Note: The default data structure uses a as the numeric decimal indicator. See
the advanced features section of this manual to change this to a comma
Note: EMPTY l appear in the display
Note: Displayed error messages:
The memory card is full or there is a problem with the card
The battery is low.
The SD card is not inserted
2. Press
display and the meter will beep each time the data is recorded (if the beeper is enabled).
3. ange
NOTE: To avoid corrupting data, do not remove the memory card without properly ending the
record function.
Time/Date/Sample Rate Check
Press and Hold the TIME button for >2 seconds and the display will cycle through the date, time and
sample rate information.
No
CArd
LobAt
CH-
CArd
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SD Card Data Structure
1. When the SD card if first inserted into the datalogger the folder CHA01 is created.
2. The first datalogging session will then create a file CHA01001.XLS. All data will be saved to
this file until the number of rows reaches 30,000.
3. After 30, 000 rows a new file, CHA01002.XLS is created. This is repeated every 30,000 rows
until CHA01099.XLS. At this point a new folder, CHA02 is created and the process is repeated.
CHA10 is the final folder.
Transferring Data to a PC
1. Remove the memory card from the datalogger and plug it into the SD card slot on the PC.
2. Launch Excel® and open the data file on the memory card from within the spreadsheet
program. The file will appear similar to the figure below.
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Advanced Settings
The SET function is used to accomplish the following:
Format the SD memory card
Set the date and time
Set the sampling time
Set the beeper sound ON/OFF
Set the SD card Decimal character
Select the Temperature units
Set the RS232 data output ON/OFF
Set CO2 height compensation in meters
Set CO2 height compensation in feet
1. Press and Hold the SET button for >2 seconds to enter the setting mode. The first function (Sd
F) will appear in the display. Press the SET button to step through the seven functions. Use the
and
fields within a function. In the SET mode, if no button is pressed within 5 seconds the logger
will revert to the standard mode.
2. Sd F
button. When yES and Ent appear, press the Enter key again to format the card and erase all
existing data. The screen will display a flashing yEs and ESC while the memory is being
erased and formatted.
3. dAtE Set the date and time. Press the or
Enter button to store the value and to step through the various fields.
4. SP-t Set the sample rate. Press the and press
Enter to store the selection. The selections are: 5, 10, 30, 60, 120, 300, 600 seconds and
AUTO. In AUTO, the data will be stored every time there is a temperature change of >1
degree, > 1 %RH or > 50 ppm.
5. bEEP - Set the beeper ON or OFF. Press the ON or OFF and press Enter to
store the selection.
6. dEC - Set the SD card Decimal character. Press the
(comma) and press Enter to store the selection.
7. t-CF - Set the Temp. unit to °F or °C and press ENTER to store the selection.
8. rS232 - Set the RS232 data output ON/OFF. Press the
Enter to store the selection
9. HIgh- Set the height compensation for CO2 in meters. Press the or
selected field to the height (altitude) of the measurement site. This adjustment will improve
measurement accuracy.
10. HIghF - Set the height compensation for CO2 in feet. Press the or e
selected field to the height (altitude) of the measurement site. This adjustment will improve
measurement accuracy.
11. ESC Exit the setting mode. Press the SET button to return to normal operation.
System RESET
If a condition appears where the CPU does not respond to keystrokes or the meter seems frozen,
press the RESET button on the side of the datalogger (use a paper clip or similar pointed object) to
return the meter to a working state.
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RS232 Interface
For streaming of data to a PC via the RS232 Output jack, the optional 407001-USB kit (RS232 to USB
cable and driver CD) along with the 407001 software (available free at www.extech.com) are required.
Battery Warning, Installation and Replacement
1. When the AC adaptor is not connected and the low battery icon appears in the display,
the batteries are weak and should be replaced. To replace or install batteries, remove the
Philips head screw that secures the rear battery cover and lift off the cover.
2. Replace the six AAA batteries (use alkaline heavy duty type), observing polarity
3. Replace and secure the cover.
Never dispose of used batteries or rechargeable batteries in household waste.
As consumers, users are legally required to take used batteries to appropriate
collection sites, the retail store where the batteries were purchased, or wherever
batteries are sold.
Disposal: Do not dispose of this instrument in household waste. The user is obligated to
take end-of-life devices to a designated collection point for the disposal of electrical and
electronic equipment.
Battery Safety Reminders
Please dispose of batteries responsibly; always observe local, state, and federal regulations
with regard to battery disposal.
Never dispose of batteries in a fire. Batteries may explode or leak.
Never mix battery types. Always install new batteries of the
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Specifications
Display 60 x 50 mm ( ) LCD
Measurement sensors Temperature: Internal sensor
Relative Humidity: Precision capacitance type
CO2: NDIR
CO2Response Time <2 min to 63% of final reading typical
Memory Card SD memory card, 1 GB to 16 GB.
Datalogger Sampling Time 5/10/30/60/120/300/600 seconds or Auto.
Temperature Compensation Automatic
Display update rate Approx. 1 second
Data Output RS 232
Operating Temperature 0 to 50°C (32 to 122°F)
Operating Humidity Less than 90% RH
Power Supply 9V AC adaptor.
Six (6) AAA (UM4) 1.5 V batteries for clock backup
Weight Meter: 240 g (0.53lbs.). Probe 158g (0.35lb)
Dimension Meter: 132 x 80 x 32mm (5.2 x 3.1 )
Probe: 132 x 38 x 32mm ( )
Range Resolution Accuracy (of reading)
Temperature
0.0 to 50.0 °C 0.1°C ± 0.8°C
32.0 to 122.0°F 0.1°F ± 1.5°F
Relative Humidity
10 to 70% 0.1% ± 4% RH
70 to 90% ± (4% of reading + 1% RH)
CO
200ppm
1ppm
± 40ppm
± 5% of reading
>3000ppm ±250ppm typical
Note: Above specification tests under the environment RF Field Strength less than 3 V/M & frequency
less than 30 MHz only.
Copyright ©2013-2018 FLIR Systems, Inc.
All rights reserved including the right of reproduction in whole or in part in any form.
ISO-9001 Certified
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