Honeywell XT Series User manual

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

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

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

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

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

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

Table of contents

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