Honeywell XT Series Manuale utente
XT Series
Personal Gas Detector
Operating Instructions
XT Series Personal Gas Detector 3
1. Introduction 5
2. Activating the Detector 6
3. Display Features 7
4. Gas Alarms 9
5. Maximum Gas Reading 10
6. Performing a Self-Test 11
7. Testing Sensors and Alarms (Bump Testing) 12
8. End of Life Alarm 12
9. Safety Shutdown 13
10. Error Codes 13
11. Zero Calibration (Oxygen Span) 14
12. Optional Span Calibration (CO AND H2S Versions Only) 14
13. Specifications 16
14. Contacting Honeywell Analytics 17
15. Sensor Cross-Sensitivity Data 18
16. Accuracy Statement 20
17. Warranty 21
Table of Contents
XT Series Personal Gas Detector
4
This manual is supplied pre-printed in English only. Alternative language versions are available
for download from the Honeywell Analytics website:
www.honeywellanalytics.com
Dit handboek is alleen beschikbaar in de Engelse taal. Alternatieve talen versies zijn electronisch
beschikbaar via onze web pagina van Honeywell Analytics:
www.honeywellanalytics.com
Ce manuel est fourni préimprimé en anglais seulement. Les versions alternatives de langue sont
disponibles pour le téléchargement du website
www.honeywellanalytics.com de Honeywell Analytics
Se provee este manual imprimió en inglés solamente. Las versiones alternativas de la lengua
están disponibles para la transferencia directa del website
www.honeywellanalytics.com de Honeywell Analytics
Questo manuale viene fornito stampato solo in Inglese. Versioni in altre lingue, incluso l’italiano,
sono disponibili e possono essere scaricate dal sito web della Honeywell Analytics www.
honeywellanalytics.com
Diese Bedienungsanleitung wird in gedruckter Form nur in englischer Sprache verfügbar sein.
Zusätzliche Sprachen stehen zum Download auf folgender Webseite zur Verfügung. www.
honeywellanalytics.com
XT Series Personal Gas Detector 5
Warning: Read Manual Prior to Use
1. Introduction
The XT is a disposable, easy to use, personal gas detector, designed for 2 years continuous
monitoring of the atmosphere for potentially hazardous levels of oxygen deficiency or toxic gas.
SAFETY INFORMATION
Substitution of components may impair intrinsic safety•
Do not activate the detector after the date on the packaging•
Perform a self-test prior to each day’s use•
Do not use in oxygen-enriched atmospheres•
Periodically test the sensors response to gas by exposing the detector to a target gas•
concentration that exceeds the alarm set points. Manually verify that the audible, visual
and vibrating alarms are activated
Exposure to extremely high levels of over-range gas may cause temporary loss of sensor•
accuracy. Allow monitor to stabilize in zero gas atmosphere before reuse. It is recommended
to perform sensor response gas test prior to reuse.
IMPORTANT NOTICE
Honeywell Analytics can take no responsibility for use of its equipment if it is not done in accordance
with the appropriate issue and/or amendment of the relevant manual. If further details are required
which do not appear in this manual, contact Honeywell Analytics or their agent.
Honeywell Analytics shall not be liable for any incidental or consequential damages in connection
with any deletions, errors or omissions in this Manual.
XT Series Personal Gas Detector
6
2. Activating the Detector
To activate, hold Test Button (as shown below) for up to 20 seconds.The detector will emit 5 beeps
and 5 flashes.The XT will warm up for one minute, showing a countdown in seconds and the Test
Pass icon ( ) will be flashing. It will then set the remaining-life clock and perform a self-test. If the
detector passes, the Test Pass icon ( ) is displayed. If the Test Fail icon ( ) is displayed then the
detector has failed the self-test – please refer to the instructions in Section 6.
Visual Alarm
Display
Test Button
Gas Type
Audible Alarm
XT Series Personal Gas Detector 7
3. Display Features
A
B
CD
E
F
G
H
I
J
BatteryA)
Test Fail IconB)
Test Pass IconC)
Level 1 Alarm: CO, HD) 2S, O2
Level 2 Alarm: CO, H2S
Level 2 Alarm: OE) 2
Lifetime: MonthsF) , Days , Hours
Concentration UnitsG)
Low Peak (OH) 2)
High Peak (CO, HI) 2S, O2)
ReadoutJ)
The XT is available with two types of display; Standard and Real Time. This section will illustrate
the difference between the two display types.
On XT’s equipped with the Standard Display, the remaining lifetime clock indicates how much
longer the detector will operate.This is shown on the display as a countdown of remaining months
(indicated by the icon), then days ( ) and finally hours ( ). The example in the table on the next
page shows 24 months remaining.
XT Series Personal Gas Detector
8
Should the Standard Display XT unit be exposed to a level of gas in excess of the alarm set points
the unit will display the concentration of the gas. If the measured reading exceeds the range of
the detector then the numerical digits will flash.
The Real Time Display XT displays the concentration reading all the time. The lifetime remaining
is displayed in the self-test mode.
Standard Display Real Time Display
Below Alarm Displays the lifetime remaining Displays the gas concentration
Above Alarm Displays the gas concentration Displays the gas concentration
Self-test Alarm set points, peak reading
and time since peak
Alarm set points, peak reading,
time since peak and lifetime
remaining
XT Series Personal Gas Detector 9
4. Gas Alarms
The XT has two levels of gas alarm, of which the level 2 alarm is more urgent than the level 1
alarm. The alarm set points are:
Gas Type Level 1 Alarm Level 2 Alarm
H2S 10 ppm 15 ppm
CO 35 ppm 100 ppm
O2 23.5% v/v 19.5% v/v
Alarm Level Display* Audible Alarm Visual Alarm Vibrating Alarm
Level 1
Alarm
blink
3 beeps per
second
3 flashes per
second Yes
Level 2
Alarm
blink
5 beeps per
second
5 flashes per
second Yes
* Examples shown for H2S
Note:
When the detected gas levels return to a safe level, the gas alarm will stop. The user cannot
cancel an alarm.
Note:
New alarm level 1 and 2 can be created accordance with customer’s request.
XT Series Personal Gas Detector
10
5. Maximum Gas Reading
The XT records the maximum readings measured under an alarm condition, and records the
number of hours since this occurred. As each new higher level of gas is detected this counter is
reset to zero, and after 24 hours has elapsed the counter is also reset to zero hours.
The maximum gas readings (minimum for oxygen) can be viewed by pressing the Test button within
24 hours of the gas alarm. This will cause the instrument to perform a self-test (see Section 6),
after which the alarm set points and the maximum readings will be displayed. For instance;
the level 1 and level 2 alarm set pointsa)
Level 1 CO Level 2 CO Level 1 O2Level 2 O2
the maximum or minimum reading measuredb)
To clear the peak value, press the Test
button once while the maximum (peak)
value is displayed.
Maximum reading CO Minimum reading O2
the time elapsed since the maximum reading occurred in hours (e.g. 4 hours)c)
4 Hours
Indice
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