MODEL GX-Force (ATEX/UKEX/IECEx sepc.)
CONDENSED USER GUIDE

PT0E-2120

Preparations for startup
Check the following before starting gas detection: The type and specifications and gas alarm setpoints of the particular product being used.
 Confirm that the filters are present inside the product and are not contaminated orclogged.
 Confirm that the battery level is sufficient.
 Confirm that the pump is operating normally.
(Check that a low flow rate alarm occurs when the gas inlet is blocked with a finger.)

How to use
1. Charging the lithium ion battery(1) Open the USB protective cover on the product.
(2) Insert the charger plug into the USB Type-C
connector of the main unit.
(3) Plug the charger into the outlet.
(Lights up to confirm charging. Fully recharged inup to 10 hours, approximately 10 hours of use
with a 3-hour charge)

Charging
indicator lamp
USB
protective
coverConnector
Charger plug

2. Turning on the power
Hold down the POWER button (for at least
three seconds) until the buzzer blips. The
power is turned on, and after the initial
operation, the measurement screen appears.

3. Fresh air adjustmentFilter case
LightLCD display
Alarm
LEDarrays

Hold down the AIR button in measurement
mode. When "RELEASE" appears at thebottom of the screen, Release the AIR button.

POWER/MODEbutton

AIR button

4. Gas detection
Point the gas inlet at the detection location
and read the indication on the LCD display.

Buzzersound
opening

Strap holes

5. Gas alarm
A gas alarm is triggered if the concentrationof the detected gas reaches or exceeds thealarm setpoints. If the gas concentration
falls below the set value, the alarm can bereset by pressing the MODE button.

6. Turning off the power
Hold down the POWER button.
NOTE : Refer to the instruction manual for details.

Front
Gas inlet

Gas outlet

BackMODEL GX-Force (ATEX/UKEX/IECEx sepc.)
CONDENSED USER GUIDE

Display mode
Display mode lets users review and change various display settings andperform other operations. Changed settings are saved.
Switching to display mode
(1) Press the MODE button in measurement mode.
(Screen switching with each press of MODE button)(2) Display the item to be displayed or change the setting, and press the AIR button.
(3) After completing the settings, press the MODE button.
No.
1
2
3
4No.
Contents（LCD display）
Contents（LCD display）
6 Adjustment data display（CAL DATA）
Light ON/OFF（LIGHT）
7 BUMP test data display（BUMPDATA）*
PEAK value display（PEAK）
8 Snap log data display（REC.DATA）
STEL value display（STEL）
9 Date and time and temperature display（DATE）
TWA value display（TWA）
Combustible gas conversion
5
10 Alarm setpoints display（ALARM-PT）
setting（HC GAS）
* It is not displayed by default. Please refer to the instruction manual for the display method.

Combustible gas conversion setting
Combustible gas measurements canbe displayed as a concentration of agas preregistered in the product.
(1)

Press the POWER button and turn on.

(2)

Press MODE button several times in
the measurement mode to display theabove screen.
(3)

Press AIR button to select the
combustible gas to be converted.
（Default：Calibration gas for thecombustible gas sensor）(4)

Press MODE button.

Combustible gas conversion is set.
[END] appears and the display returns to thescreen in Step 2.
NOTE : Refer to the instruction manual for details.

Combustible gas conversion list