WatchGas UNI Disposable User manual

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Quick Start Guide
UNI Disposable
Single Gas Detector
WatchGas®UNI Disposable QuickStart Guide v1.31

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Warning
Never operate the detector when the cover is removed.
Remove the detector cover and battery only in area known as non-
hazardous.
Use only a lithium battery Watchgas partnumber M500-0001-000
[1.17.02.0002] (3.6V, 2700mAH, AA size) or partnumber ER14505 cell
manufactured by EVE Energy Co., LTD
This instrument has not been tested in an explosive gas/air atmosphere
having an oxygen concentration greater than 21%.
Substitution of components may impair suitability for intrinsic safety and
void warranty.
It is recommended to bump test with a known concentration gas to
confirm the instrument is functioning properly before use.
Before use, ensure that the colorless ESD film on the display is not
damaged or peeling.(The blue protective film may be removed.)
Avertissement
N’utilisez jamais le moniteur lorsque le couvercle est enlevé.
Retirer le couvercle du moniteur et la batterie uniquement dans une
zone connue comme non dangereuse.
Utilisez uniquement la batterie au lithium de WatchGas, piece No.
1.17.02.0002 (3.6V, 2700mAH, taille AA) ou celle de EVE Energie Cie.,
Lté, piece No. ER14505.
Cet instrument n’a pas été testé dans une atmosphère explosive gaz / air
ayant une concentration en oxygène supérieure à 21%.
La substitution de composants compromettra I’aptitude à la sécurité
intrinsèque et annulera la garantie.
II est recommandé de tester avec un gaz de concentration connu pour
confirmer que I’instrument fon ctionne correctement avant de
I’utiliser.
Avant l'utilisation, assurez-vous que la couche ESD incolore
de l'écran n'est pas endommagée ou épluchée. (Le film protecteur bleu
peut être enlevé.)

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Read Before Operating
The User’s Guide must be carefully read by all individuals
who have or will have the responsibility of using,
maintaining, or servicing this product.
The product will perform as designed only if it is used,
maintained, and serviced in accordance with the
instructions of the manufacturer.
User Interface
The UNI 321’s user interface consists of the LCD display,
LEDs, an alarm buzzer, two keys: Left Key [Confirm/Number
increasing] and Right Key [Power/Cursor moving], an
alligator clip, and a sensor.

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Display
1. Gas name, includes: CO, H2S, O2,
2. Remaining time unit: Months, Days or Hours
3. Question mark
4. Unit status indicator “OK”
5. Gas concentration unit, for alarm setting display
6. Remaining operation time
7. Low Battery
Turning the Unit On
Press and hold the Right Key for 3 seconds, until
unit LCD displays “on”, the buzzer beeps, and the
green LED is on. After power on, the unit enters a
warm up and self-test sequence, and then enters
normal mode. Once the unit is turned on, it runs
continuously until the remaining life time ends,
and cannot be turned off.

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Normal mode
In normal mode, the unit starts monitoring gas
concentration. The LCD displays the remaining life time
when there’s no gas alarm. In case of a gas alarm, the
alarm type is displayed: Low or High alarm.
Enter Config Mode
Press and hold the Left Key and the Right Key together
for 3 seconds, the unit enters config mode.
Config mode is password protected, LCD display “PWD”
to prompt enter password. To input password, use the
Left Key to increase the number, use the Right Key to
move the cursor.
After all four digits are input, the cursor will move to
“OK”, use the Left Key to finish password input and
enter config mode.
Exit Config Mode
When LCD displays “Exit?”, press the Left Key to exit
from config mode back to normal mode.

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Zero (Fresh Air) Calibration
Zero calibration sets the base line for the sensor and is
done in fresh air or other clean air source. When the
LCD displays “AiR”, press the Left Key to start zero
calibration. When the 15-second count-down is
finished, the zero calibration result “pass” or “fail” will
be displayed. To abort zero calibration during the 15-
second count-down, press the Right Key and the
display acknowledges with “AbRt”.
Bump Test
A recorded Bump Test can only be done using an
MP300 CaliCase with mPower Suite software. Please
refer to the software user guide. A manual bump
check can be performed by applying test gas and
verifying that the alarms are triggered.
Daily Self-Test
1. Press the Left Key
2. Confrm that the following tests are performed:
a) LED flashes, Buzzer beeps, Vibrator is on
b) All LCD segments are shown
c) High and Low alarm settings are shown
d) Peak reading is shown if it occurred during the
last 24 hours
e) Minimum Oxygen reading is shown if it
occurred during the last 24 hours
f) Display returns to normal mode

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Maintenance and Service
The UNI Disposable has a low cost of ownership.
Year of Manufacture
The year of manufacture can be identified by the fifth
and sixth digits of the instrument serial number.
For example, 16 indicates that the unit was made in
2016.
Safety Certifications
UL/CUL:
CLASS I, GROUP A, B, C, D
CLASS II, GROUP E, F, G
CLASS III T4, -20°C ≤ Tamb ≤50°C
IECEx: Ex ia IIC T4
ATEX: II 1G Ex ia IIC T4
UNI Disposable
Factory Celibration Certificate
The instrument was factory inspected, tested and
calibrated in accordance with the conditions and
requirements of our registered Quality System,
Operating Standards and Sales Agreements.

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Proper Product Disposal
At The End Of Life
The Waste Electrical and Electronic Equipment (WEEE)
directive (2002/96/EC) is intended to promote recycling
of electrical and electronic equipment and their
components at end of life. This symbol (crossed-out
wheeled bin) indicates separate collection of waste
electrical and electronic equipment
in the EU countries. This product may
contain one or more Nickel-metal
hydride (NiMH), Lithium-ion, or
Alkaline batteries. Specific battery
information is given in this user
guide. Batteries must be recycled or
disposed of properly. At the end of
its life, this product must undergo
separate collection and recycling from general or
household waste. Please use the return and collection
system available in your country for the disposal of this
product.
WatchGas B.V.
Sextantstraat 61
2901 ZZ Capelle aan den IJssel
The Netherlands
www.watchgas.eu - [e-mail]