MRC COH-9905SD Manuel utilisateur

OPERATION MANUAL

SD card real time Data Recorder

CO2, Humidity, Dew point, Temp.

CO2 METER + HUMIDITY/Temp.

Model : COH-9905SD

PLEASE READ THIS MANUAL CAREFULLYBEFORE OPERATION

Hagavish st. Israel 58817 Tel: 972 3 5595252, Fax: 972 3 5594529 [email protected]

MRC.1.22

TABLE OF CONTENTS

1. FEATURES....................................................................................................................

2. SPECIFICATIONS..............................................................................................................

2-1 General Specifications......................................................................................................

2-2 Electrical Specifications...............................................................................

3. FRONT PANEL DESCRIPTION...........................................................................

MEASURING PROCEDURE...................................................................................................

5. OTHER FUNCTION..........................................................................................................

5-1 Data Hold...............................................................................................................................

5-2 Record ( Max./ Min. reading )..........................................................................................................

5-3 LCD Backlight OFF and 4rd-order LCD Backlight brightness ..........................................................................................................

6. DATALOGGER......................................................................................................................

6-1 Preparation before execute datalogger function...............................................................................

6-2 Auto Datalogger ( Set sampling time ≧

1 second ).............................................................

6-3 Manual Datalogger ( Set sampling time = 0 second )...........................................................

6-4 Check time information....................................................................................................................

6-5 Check sampling time information.....................................................................................................................

6-6 SD Card Data structure.............................................................................................................

7. Saving data from the SD card to the computer..............................................................

8. ADVANCED SETTING...............................................................................

9. POWER SUPPLY from DC ADAPTER.....................................................

10. BATTERY REPLACEMENT...................................................................................................

11. SYSTEM RESET.......................................................................................................................

12. RS232 PC SERIAL INTERFACE...........................................................................................

13. PATENT...........................................................................................................................

1. FEATURES

* Real time recorder, save the data into the SD memory

card and can be down load to the Excel, extra software

is no need. User can make the further data or graphic

analysis by themselves. under the Excel software.

* At the same time, the SD memory card can record 2

probe's data ( %RH/CO/Temp. ) along with the time information

into the one Excel file at the same time.

* Manual datalogger is available, during execute the

manual datalogger function, it can set the different

location no. ( position 1 to position 99 ).

* Air quality measurement application, multi-function :

CO2 ( Carbon monoxide ),

Humidity, temperature measurement.

* CO2 range : 0 to 10,000 ppm x 1 ppm.

* Humidity range: 10 to 95 %RH.

* Dew point Temp. and Wet bulb Temp. measurement.

* Temp. range : 0 to 50.0

℃

℉

* CO2 sensor : NDIR.

* Humidity sensor : Precision capacitance sensor

* Alarm setting with the beeper sound output.

* Sampling time for data recorder is 2 to 3600 seconds.

* Meter can cooperate with 2 GB to 16 GB SD card, SD

card is optional.

* RS232/USB computer interface.

* Patented.

2. SPECIFICATIONS

2-1 General Specifications

Circuit Custom one-chip of microprocessor LSI

circuit.

Display LCD size : 52 mm x 38 mm

LCD with green backlight ( ON/OFF ).

Measurement CO2 ( Carbon monoxide ),

Humidity

Dew point Temp., Wet bulb Temp.

Temperature

Sensor CO2 NDIR * Nondispersive infrared sensor

structure Humidity Precision capacitance sensor

Temp. Precision thermistor

Datalogger Auto 2,5,10,30,60,120,300,600,1800,3600 Second.

Sampling Time @ Sampling time can set to 1 second,

Setting range but memory data may loss.

Manual Push the data logger button

once will save data one time.

@ Set the sampling time to

0 second.

@ Manual mode, can also select the

1 to 99 position ( Location ) no.

Data error no. 0.1% of total saved data max.

Memory Card SD memory card. 1 GB to 16 GB.

Advanced * SD memory card Format

setting * Set clock time

* Set sampling time

@ main setting * Auto power OFF management

* Set beep Sound ON/OFF

* Decimal point of SD card setting

* Temp. unit setting

* Alarm value setting

* Altitu value setting

Data Hold Freeze the display reading.

Memory Recall Maximum & Minimum value.

Sampling Time Approx. 1 second.

of Display

Data Output RS 232/USB PC computer interface.

* Connect the optional RS232 cable

UPCB-02 will get the RS232 plug.

* Connect the optional USB cable

USB-01 will get the USB plug.

Power Supply *Alkaline or heavy duty DC 1.5 V battery

( UM3, AA ) x 6 PCs, or equivalent.

*DC 9V adapter input. ( AC/DC power

adapter is optional ).

Power Current Normal operation ( w/o SD card save

CO2 data and LCD Backlight is OFF) :

measure- Approx. DC 65 mA.

ment When SD card save the data and LCD

Backlight is OFF) :

increase approx. DC 42.5 mA.

* If LCD backlight on, the power

consumption will increase approx.

10 mA.

Operating 0 to 50 ℃. ( 32 to 122 ℉ ).

Temperature

Operating Less than 80% R.H.

Humidity

Weight 350 g/0.77 LB.

Dimension Meter 177 x 68 x 45 mm

Accessories Instruction manual.............................. 1 PC

Included

Hard carrying case ......................................................

1 PC

Optional SD memory card

Accessories AC to DC 9V adapter.

USB cable, USB-01.

RS232 cable, UPCB-02.

Data Acquisition software, SW-U801-WIN.

2-2 Electrical Specifications (23±5

℃

)

CO2 ( Carbon dioxide )

Range 0 to 10,000 ppm

CO2 Resolution 1 ppm

( Carbon Accuracy ±40 ppm

dioxide ) *

≦

1,000 ppm.

±(50ppm +3% of reading)

23 ± 5 ℃. * > 1,000 ppm

≦

3,000 ppm.

±(50ppm +5% of reading) typically

* > 3,000 ppm

≦

10,000 ppm. ,

Repeatability ± 20 ppm *

≦

3,000 ppm.

Temperature Range 0 ℃ to 50 ℃,32 ℉ to 122 ℉.

Resolution 0.1 degree

Accuracy ℃ : ±0.8 ℃ ℉ : ±1.5 ℉.

Humidity/Temperature

Range 5 % to 95 % R.H.

Humidity Resolution 0.1 % R.H.

Accuracy ≧70% RH :

±(3% reading + 1% RH).

< 70% RH :

±3% RH.

Range 0 ℃ to 50 ℃,32 ℉ to 122 ℉.

Temperature Resolution 0.1 degree

Accuracy ℃ ±0.8

℃

℉ ±1.5

℉

Dew Point Temp. ( Humidity )

℃Range -25.3 ℃ to 48.9 ℃

Resolution 0.1 ℃

℉Range -13.5 ℉ to 120.1 ℉.

Resolution 0.1 ℉.

Remark :

* Dew Point display value is calculated from the

Humidity/Temp. measurement automatically.

* The Dew Point accuracy is sum accuracy value of Humidity

& Temperature measurement..

Wet bulb Temp. ( Humidity )

℃Range -21.6 ℃ to 50.0 ℃

Resolution 0.1 ℃

℉Range -6.9 ℉ to 122.0 ℉.

Resolution 0.1 ℉.

Remark :

* Wet bulb display value is calculated from the Humidity/Temp.

measurement automatically.

* The Welt bulb accuracy is sum accuracy value of Humidity

& Temperature measurement..

@ Above specification tests under the environment RF Field Strength less than 3

V/M & frequency less than 30 MHz only.

3. FRONT PANEL DESCRIPTION

Fig. 1

3-1 Display

3-2 Power Button ( Backlight Button )

3-3 Hold Button ( ESC Button )

3-4 REC Button ( )

3-5

▲

/ Function Button ( Alarm Button )

3-6

▼

Button/SCREEN Button

3-7 Time Button (SET Button )

3-8 ENTER Button ( Logger Button )

3-9 Stand

3-10 Battery Compartment/Cover

3-11 Battery Cover Screw

3-12 Tripod Fix Nut

3-13 SD Card Socket

3-14 Humidity/Temp. Sensing.

3-15 CO2 Seneing.

3-16 DC 9V Power Adapter Input Socket

3-17 Reset Button

3-18 RS-232 Output Terminal

4. MEASURING PROCEDURES

Measuring procedures

1) Power on the meter by pushing the " Power Button "( 3-2, Fig. 1 )

> 2 seconds the meter will be power on.

2) Press the " Screen Button " ( 3-6, Fig. 1 ) once in

sequence to select the measuring function Screen :

3) In Humidity/Temp. Measure scree ,Press the " Function Button " ( 3-5,

Fig. 1 ) once in sequence to select the DEW/

℃

or WET/

℃

measuring

function Screen :

Remark :

After select the desired function, power off the meter

then power on again, the meter circuit memory will

save the selected unit with default.

5. OTHER FUNCTION

5-1 Data Hold

During the measurement, press the " Hold Button " ( 3-3,

Fig. 1 ) once will hold the measured value & the LCD will

display a " HOLD " symbol. Press the " Hold Button " once again

will release the data hold function.

5-2 Data Record ( Max., Min. reading )

1) The data record function records the maximum and minimum

readings. Press the " REC Button " ( 3-4, Fig.1 ) once to start

the Data Record function and there will be a " REC " symbol

on the display.

2) With the " REC " symbol on the display :

a) Press the " REC Button " ( 3-4, Fig. 1 ) once, the

" REC MAX " symbol along with the maximum value

will appear on the display.

b) Press the " REC Button " ( 3-4, Fig. 1 ) again, the

" REC MIN " symbol along with the minimum value

will appear on the display.

c) To exit the memory record function, just press the

" REC Button " for 2 seconds at least. The display will

revert to the current reading.

5-3 LCD Backlight OFF and 4rd-order LCD Backlight brightness

Depending on the brightness of the environment,

can use the "Backlight Button " ( 3-2, Fig. 1 ) select

LCD Backlight from OFF and 4rd-order LCD Backlight brightness

Sequentially cycle.

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