Tenmars ST-502 User Manual Download Page 4

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CONTENTS

Introduction

................................................................ 1

Accessories

............................................................... 1

Safety Precaution

..................................................... 1

Meter Description

..................................................... 2

Operation

................................................................... 3

5.1

Applications

....................................................... 3

5.2

Concentration and Guidelines

............... 3

5.3

Checking Measurement Modes

..................... 4

5.4

Record Function

............................................... 4

5.5

Reset Settings

................................................... 4

5.6

Function Setting

................................................ 5

5.7

Ventilation Formula

........................................ 10

Software Installation

............................................... 11

General Specifications

........................................... 13

Electrical Specifications

......................................... 14

Maintenance

............................................................ 15

Cleaning

................................................................... 15

End of Life Disposal

............................................... 15

Summary of Contents for ST-502

Page 1: ...Medidor portatil temperatura y humedad CO2 tipo USB TN ST502 ...

Page 2: ...ST 502 Desktop Indoor Air Quality IAQ Monitor User s Manual Good Normal Poor Mode Enter REC ST 502 HB2ST5020000 ...

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Page 4: ...ons 3 5 2 CO2 Concentration and Guidelines 3 5 3 Checking Measurement Modes 4 5 4 Record Function 4 5 5 Reset Settings 4 5 6 Function Setting 5 5 7 Ventilation Formula 10 6 Software Installation 11 7 General Specifications 13 8 Electrical Specifications 14 9 Maintenance 15 10 Cleaning 15 11 End of Life Disposal 15 ...

Page 5: ...sage may damage the ammeter and its components Complies with European Directive Do not operate in environments with flammable gas or humid environments Operating altitude 2000 meters below sea level Operating environment Indoor use contamination level class 2 Cleans wide with soft cloth when dirty such as glasses cloth Do not clean with chemical and other solvents EMC EN61326 1 CISPR 11 Group 1 Cl...

Page 6: ... 1 LCD Monitor 2 Mode Left button 3 Datalogger button 4 Enter button 5 Right button 6 CO2 concentration indicator good 7 CO2 concentration indicator normal 8 CO2 concentration indicator poor 9 Setting reset button 10 USB jack 11 External power input jack ...

Page 7: ...very high concentrations for example greater than 5 000PPM NIOSH recommendations 250 350ppm Concentration of normal outdoor environment 600ppm Minimum requirement for good air quality 600 1000ppm CO2 concentration slightly high 1000ppm Insufficient ventilation These standards are guideline references only if the CO2 content exceeds 1 000ppm it does not necessarily mean that the building is dangero...

Page 8: ...rs on the LCD 2 seconds to enter the automatic recording function The currently measured value setting function and USB connection can be displayed during the recording process Press the REC button again until REC on the LCD disappears 2 seconds to exit the automatic recording function 5 5 Reset Settings Before powering on press and hold the RESET button and then turn on the power to restore all s...

Page 9: ...ss to enter and set that item Press and hold buttons simultaneously for 2 seconds to exit the function setting mode Step 1 12 24 hour mode Press the button to enter this item setting operation Press the button or button to select between 12 24 Press the button to exit this item setting operation Step 2 Clock setting Press the button to enter this item setting operation ...

Page 10: ...ashing press the button to increase and press the button to decrease Press the button and the year digit will start flashing press the button to increase and press the button to decrease Press the button again to start setting from the first digit again Press the button to exit this item setting operation Step 3 Alarm switch Press the button to enter this item setting operation Press the or button...

Page 11: ...ill start flashing press the button to increase and press the button to decrease Press the button and the third digit will start flashing press the button to increase and press the button to decrease Press the button and the fourth digit will start flashing press the button to increase and press the button to decrease Press the button again to start setting from the first digit again Press the but...

Page 12: ...ill start flashing press the button to increase and press the button to decrease Press the button and the third digit will start flashing press the button to increase and press the button to decrease Press the button and the fourth digit will start flashing press the button to increase and press the button to decrease Press the button again to start setting from the first digit again Press the but...

Page 13: ...art flashing press the button to increase and press the button to decrease Press the button and the third digit will start flashing press the button to increase and press the button to decrease Press the button and the fourth digit will start flashing press the button to increase and press the button to decrease Press the button again to start setting from the first digit again Press the button to...

Page 14: ...ABC function is turned on it uses 400ppm as the standard and will have adjusted approximately 30ppm over an accumulated time of 180 hours therefore it is recommended to place it at a well ventilated place once the function is enabled 5 7 Ventilation Formula CFM P inch minute person CFM P 10600 Cs Co Cs CO2 read value Co CO2 outdoor read value L P S liter second person L P S CFM P 28 32 60 ...

Page 15: ...ncluded with this meter into the CD DVD ROM of the PC to install the desktop program Once the desktop program installation is complete remove the CD from the CD DVD ROM drive Connect this meter to the PC using the USB cable included as shown in the figure below USB CABLE Good Normal Poor Mode Enter REC ST 502 ...

Page 16: ...12 Execute the PC desktop software program double click the left mouse button on the desktop program Indoor Air Quality Data Logger exe to execute the desktop program ...

Page 17: ... entries Record time interval 5 seconds 10 seconds 1 minute 5 minutes 10 minutes 30 minutes 1 hour 2 hours Operating power consumption 2 4W Operating temperature and humidity 0 to 50 C 32 122 F relative humidity 5 95 RH non condensing Storage temperature and humidity 10 to 60 14 140 relative humidity under 70 Weight Approximately 190 grams Dimensions 89 x 62 x 128 mm L x W x H ...

Page 18: ... 75ppm 0 2000ppm Resolution 1ppm Response Time Reaches 90 in approximately 2 minutes Temperature Sensor Type Thermistor Measurement Range 0 C 50 C 32 F 122 F Accuracy 1 0 C 1 8 F Resolution 0 1 C 0 1 F Response Time Approximately 1 second Relative Humidity Sensor Type Capacitive Measurement Range 5 95 Accuracy 3 0 RH 20 80 5 0 RH 20 80 Resolution 0 1 Response Time Approximately 4 seconds ...

Page 19: ...hat has high temperature humidity or that are exposed to direct sunlight 10 Cleaning Please turn off the power first before cleaning use a soft and dry cloth to wipe it clean Do not wipe it with wet cloth liquids or water etc 11 End of Life Disposal Note This symbol indicates that the ammeter and accessories must be separated and processed properly ...

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Page 21: ...TENMARS ELECTRONICS CO LTD 6F NO 586 Ruiguang Rd Neihu Dist Taipei City Taiwan E mail service tenmars com http www tenmars com ...

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