Honeywell Lumidor Minimax XT Operating Manual

XT Series Personal Gas Detector

Operating Instructions

Table of Contents

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

XT Series Personal Gas Detector

3

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 scaric ate 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

4

XT Series Personal Gas Detector

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

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2. Activating the Detector

Visual Alarm

Display

Test Button

Gas Type

Audible Alarm

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.

6

XT Series Personal Gas Detector

3. Display Features

A

B

C

D

E

F

G

H

I

J

Battery

A)

Test Fail Icon

B)

Test Pass Icon

C)

Level 1 Alarm: CO, H2S, O2

D)

Level 2 Alarm: CO, H2S

Level 2 Alarm: O

E)

Lifetime: Months , Days , Hours

F)

Concentration Units

G)

Low Peak (O2)

H)

High Peak (CO, H2S, O2)

I)

Readout

2

J)

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.

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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

Above Alarm

Self-test

Displays the lifetime remaining Displays the gas concentration

Displays the gas concentration Displays the gas concentration

Alarm set points, peak reading
and time since peak

Alarm set points, peak reading,
tim e sin ce peak and lifeti me
remaining

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XT Series Personal Gas Detector

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

* 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.

XT Series Personal Gas Detector

blink

5 beeps per

second

5 flashes per

second

Yes

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