GIG Microtector III G888 Portable Gas Detector User Guide

: June 10, 2024
: GIG

Table of Contents

Specification
Product Overview
ATEX certification
Customer Support
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

GIG Microtector III G888 Portable Gas Detector

Specification

Measurement method
Sensor-dependent
Environmental conditions (operation)
Permitted operating temperature : -20 to +50 °C
Permitted humidity : 5 to 95 % r. h.
Permitted air pressure : 70 to 130 kPa
Power supply
NiMH battery module
(2.6 V 2100 mAh; rechargeable)
Operating time
Max. 65 hours
(Depending on equipment, use, sensors
and age of the battery)
Housing
Material: rubberized plastic
Dimensions : 68 x 100 x 39 mm (W x H x D)
Weight: max. 275 g
Protection class : IP67

Product Overview

ATEX certification

Microtector III G888C| I M2 Ex ia db I Mb| II 2G Ex ia db IIC T4 Gb| –20 °C ≤ Ta ≤ +50 °C
---|---|---|---
Microtector III G888M| I M1 Ex ia da I Ma| II 1G Ex ia da IIC T4 Ga| –20 °C ≤ Ta ≤ +40 °C
I M2 Ex ia db I Mb| II 2G Ex ia db IIC T4 Gb| –20 °C ≤ Ta ≤ +50 °C

Switch on
Press the right button for approx. 1 second.
Self test
After switching on, the visual and acoustic alarm, the displays of the sensors/gas types used incl. set alarm thresholds are tested.
If the inspection periods for the bump test, adjustment and annual maintenance are exceeded, an information and warning message appears.
Attention: If the date for the respective control period is exceeded, the following message appears:
“Bump test/maintenance overdue” or “Recalibration needed”. Press the middle button to acknowledge the message and have the device tested or checked at the next opportunity.
Switch of
Press the right button for approx. 5 seconds. Release the button again after the end of the countdown (the display only shows “Switch off”).

Alarm type	Sensors	Alarm levels	Description
Current value (CV)	» Oxygen	3	Are triggered immediately when the

current gas concentration exceeds
» flammable gases| 3| or falls below (O₂) a specified value. The current value alarms can be set
» toxic gases| 2| individually.
Short-term exposure value (STEL)| » toxic gases| 1| The short-term exposure value (STEL) shows the average value of the last 15 minutes.
Long-term exposure value (TWA)| » toxic gases| 1| The long-term exposure value (TWA) monitors exposure over 8 hours.
Rotating the display by 180°| Briefly press the left and right buttons simultaneously to rotate the display by 180°. This makes it easier to read the display when the device is worn on the body.
---|---
Zoom display of STEL, TWA, current and maximum value| To view individual values in the zoom display, briefly press the right button . By briefly pressing the right button several times, all sensors and the battery charge status are displayed in succession. By pressing and holding the right button in the zoom display, you can switch to the detailed view to additionally display the maximum, short-term and long-term values.
Display of PEAK value » activate| In PEAK mode, maximum values (O₂ = minimum value) are permanently displayed. Pressing the left button activates PEAK mode. The PEAK symbol appears in the display. In the zoom display, the PEAK value is then shown in the upper left corner instead of the max. value (measured since PEAK was activated).
» reset| If is pressed in PEAK mode or in the zoom display, the PEAK memory is reset to the current gas concentration.
» deactivate| Pressing again deactivates PEAK mode
Flashlight or manual alarm| Pressing and holding the left button activates one of two possible modes: the LED flashlight or the manual alarm. The function is selected in advance in the system options menu of the service menu. LED flashlight: Press the left button for 3 seconds = on. Press the left button briefly = off. Manual alarm: Press the left button for 3 seconds to activate the alarm. The question “Are you OK?” appears. Pressing the left button holds the alarm. Pressing the right button ends the alarm. The query can be opened again at any time by pressing the middle button .
Main menu| Pressing and holding the middle button opens the main menu. Here, program parameters can be set. There are various submenus to choose from in the main menu:
» Loc (= selection of the operation location)
» User (= selection of employee)
» Auto Cal (= zero point adjustment with ambient air (AIR) or test gas (GAS))
» Service menu (= parameter settings)
» Sensor-Overview (= overview of existing sensors)
» System-Information (= type, serial number, firmware version, radio setting)
The functions of the buttons are explained by information in the display above them.
Access code| Some menu items are only accessible via an access code. It prevents important functions from being changed accidentally or by unauthorised persons. There is no alarm in service mode. For further information on the setting options, please refer to the operations manual.