Triplett GSM250 Manuel utilisateur

OPERATION MANUAL

User Manual

GSM250

CO2, HUMIDITY, TEMPERATURE WALL MOUNT/DESKTOP MONITORCO2,

HUMIDITY, TEMP. WALL MOUNT/DESKTOP MONITOR

INTRODUCTION

Thank you for purchasing the Triplett GSM250 CO2, Humidity and Temperature Monitor. This is an accurate,

fast, smart and easy-to-use indoor air quality monitor. In addition to measuring the CO2concentration, it also

measures the ambient temperature, relative humidity and display the hazardous level. This monitor is developed

to detect the presence of CO2in ambient air and helps user to take care of Indoor Air Quality.

Features:

Large LED displays CO2value, humidity and temperature.

Wall mount display with light bar to provide easy reading from far distance

Touch panel to program the setting

NDIR (non-dispersive infrared) waveguide CO2technology

3-color light bar (green / yellow / red) gradually changes color with CO2concentration. CO2

Automatic background calibration (called ABC) for long time drift compensation Buzzer

Alarm function

Areas of application: Widely used in the office building, school, exhibition hall, shopping mall, meeting

room, fitness center, restaurant and other public places where personal comfort and healthy are important.

MATERIAL SUPPLIED

The standard package contains below:

CO2monitor x 1pc

USB-C cable x 1pc

NOTE: provided USB-C cable is for power charging only, can’t be used for data transfer.

Operation manual x 1pc

Sticker & Screws for wall mount hanging x 1 pack

POWER UP

This CO2meter is designed as wall mount & desktop use. It is powered up by 5VDC through USB-C cable. For

mobility, you may also use power bank for temporary use. Once CO2is powered, the LED will auto turn on.

Prepare an 5V

Power up the

USB adaptor

meter through

(Not included in package)

USB type-C

CAUTION

Please take off the AC power adapter and store it well when this CO2monitor left idle for long. Please use a

standard USB power supply (such as PC's USB port, universal AC adapter with USB port). Improper power

supply can cause serious damage to the device, or result in injury or death to the user.

The vents allow the air circulation liquid for measurement of the CO2concentration and the ventilation

should not be blocked.

DISPLAY , KEYPAD, SPECIFICATION

SET

-Setting modes. Long press to enter setting mode

MUTE +

-While buzzer sounds, short press to mute

-While in setting mode, press to adjust value

SPECIFICATION

Measuring range

CO2

0~9999 ppm,

Temperature

14~140oF (-10~60oC)

Humidity

0.1~99.9% RH

Resolution

1ppm , 0.1oC/oF, 1%RH

Accuracy

CO2

+50ppm+5% of reading(0~2000ppm)

Other range is 10% of reading

Temperature

+0.6oC/+0.9oF

+5%RH (at 25oC, 10~90%RH) ;

Humidity +7%RH ( at 25oC , other range )

Response time

CO2

<30 seconds (63% step change)

Tair

<20 mins (90% step change)

Humidity

<20 minutes ( 90% step change)

Operating 14°~140°F(-10~60oC) , 0~95% RH (avoid

condensation) o

Power supply

5VDC USB type C port

Power consumption

<500mA

Meter size 8.9” x 6.0” x 1.8” ( 226 x 152 x 45 mm)

(L x W x T)

Weight

17.6oz (500g)

Standard package

Meter, manual ,USB type C cable

,Wall Mount accessories.

OPERATION

3 different colors

SET

MUTE +

2 functional keys for setup purpose

1. Power on and Measure:

-Connect the USB-C cable to a PC or 5VDC wall adapter or power bank to power on the device.

-After power on, the LED count down for 10 seconds during warm-up.

-The device will start to measure CO2 concentration, ambient temperature and relative humidity after warm-

up.

2. Light bar :

Besides value display, this meter is also equipped with programmable light bar feature.

There are 3 different CO2light bar color: Green, Yellow and Red. The color auto switches according to the

measured Co2.

The default status of measured CO2.

<800ppm

800ppm~1000ppm

>1000ppm

3. Buzzer & How to turn off buzzer:

Buzzer function is default OFF in case of using in quiet places. It is required to activate buzzer function in

setting mode while audible alarm is needed. While buzzer is activated and measured CO2is over alarm

threshold, buzzer sounds once a second till pressing “MUTE” key to stop.

4. Setting:

Long pressing "SET" key to enter the settings. And then press "SET" key to select setting modes in sequence:

AL (Alarm setting), Unit (temperature unit), Buzzer, ABC (auto background calibration) and bL (Brightness of

light bar).

Press " + " key to adjust the parameters.

*Note: During the setting process, the device will return to the main screen after 25 sec of idle

time.

4.1 Alarm(AL): The default alarm setting is 1,000ppm. It is adjustable from 800ppm to 3,000ppm, the interval is

100ppm. This threshold is related to buzzer alarm trigger and red light bar trigger. Press “+” to adjust alarm

threshold value.

4.2 Temperature unit: Press “+” to switch between oC and oF

4.3 Buzzer activation: Buzzer is default OFF for using in quiet places. Press “+” to turn it to ON.

4.4 CO2ABC function: ABC means the lowest measured CO2value within 7 days will be used as 400ppm to

auto calibrate the CO2sensor to reduce the long term drift. It is default as ON. However, it is not suggested to

turn on ABC feature in hospital, green house, winery or any less ventilated places

where CO2has no chance to get low.

Press “+” to switch between ON and OFF.

4.5 Bightness of light bar: The bightness of light bar is adjustable. From off to strong is 0 to 10, 0 is turned off, 10

is the strongest. Default as 6. Press “+” to adjust the bightness of light bar to fit your application. Though light bar

might be set to off, it will still blink at weakest level 1 brightness while measured CO2is higher than alarm

threshold. 3

5. Calibration

The meter is calibrated at standard 400ppm CO2 concentration in factory. It’s suggested to do either ABC or

manual calibration regularly to maintain good accuracy.

Press “ SET” + “+”keys at the same time till “CAL” is flashing. Long pressing “SET” key to start the

calibration. During the calibration, “CAL” will flash on display with a 300 seconds count down. After 5 mins

count down, the display return to normal measuring mode to indicate the calibration is done. During the

calibration procedure, long pressing “+”key can quit the calibration function.

CAUTION: Do not calibrate the meter in the air with unknown CO2 level. Otherwise, it will be taken as

400 ppm and leads to inaccurate measurement. The manual calibration is suggested to be done outdoor with

good ventilation, fresh air and sunny day where CO2level is around 400ppm. Do not calibrate in rainy day

because high humidity will affect the CO2level in air. Do not calibrate in places crowded with people or close to

where exist high CO2such as ventilating outlets or fireplaces.

ERROR CODE AND SOLUTIONS

CODE

PROBLEM

SOLUTION

E01

CO2sensor is damaged

Send back to repair

E02

Measured reading is under the lower limit

For CO2E02: Re-calibrate. For other E02: leave the meter in

room condition for 30 mins.

If it not works, send back to repair

E03

Measured reading is above the upper limit

For CO2E03: put the meter in fresh air for 5 mins. For other

E03: leave the meter in room condition for 30 mins.

If it not works, send back to repair

E17

ABC mode of CO2sensor is fail

Send back to repair

E31.34

Temp./RH measuring circuit is in error

Send back to repair

? Can’t power on

Check whether the adaptor is well plugged and the 5VDC power supply is working.

Warranty

Triplett / Jewell Instruments extends the following warranty to the original purchaser of these goods for use. Triplett warrants to the

original purchaser for use that the products sold by it will be free from defects in workmanship and material for a period of (1) one

year from the date of purchase. This warranty does not apply to any of our products which have been repaired or altered by

unauthorized persons in any way or purchased from unauthorized distributors so as, in our sole judgment, to injure their stability or

reliability, or which have been subject to misuse, abuse, misapplication, negligence, accident or which have had the serial numbers

altered, defaced, or removed. Accessories, including batteries are not covered by this warranty

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