SENSIT Technologies GOLD G3 Manuel utilisateur

851 Transport Drive • Valparaiso, IN 46383 (USA)

Phone: 219.465.2700 • www.gasleaksensors.com

INSTRUCTION MANUAL

SENSIT®GOLD G3

READ AND UNDERSTAND INSTRUCTIONS BEFORE USE.

For use with combustible gases and optionally available oxygen and toxic gases.

GAS DETECTION INSTRUMENT

Intrinsically safe for use in:

Class I Div. 1

Groups C, D

Temp Classification: T4, IP64

Hazardous Locations

⚠ WARNING: To prevent ignition of flammable

or combustible atmosphere, disconnect power before

servicing.

710183

UL913

FOR YOUR SAFETY

⚠NOTICE: This safety symbol is used to indicate a potentially

hazardous situation which, if not avoided, may result

in minor or moderate injury.

⚠ WARNING: To reduce the risk of ignition of a flammable

atmosphere, batteries must only be changed and

charged in an area known to be nonflammable.

⚠ WARNING: Do not mix batteries of different age or type.

⚠ WARNING: Not for use in atmospheres of oxygen greater than

21%.

⚠ WARNING: Only zero the instrument in a gas free environment.

⚠ WARNING: To maintain intrinsic safety, service must be

performed by factory authorized technicians with

approved replacement parts only. No substitution of

components is permitted.

⚠ WARNING: All accessories are to be used in an area known

to be non-flammable.

⚠ WARNING: To prevent ignition of flammable or combustible

atmospheres, disconnect power before servicing.

CONTENTS

FOR YOUR SAFETY�� 3

QUICK START GUIDE�� 6

PRODUCT FEATURES: HARDWARE�� 7

COMBUSTIBLE GAS SENSORS ............................................................... 7

ELECTROCHEMICAL SMART SENSORS ................................................... 7

FLEXIBLE WAND AND FLASHLIGHT ........................................................ 7

RECHARGEABLE BATTERY AND CHARGING STATION.............................. 7

TWO-SPEED PUMP AND SAMPLING SYSTEM........................................... 8

LED DOME........................................................................................... 8

PRODUCT FEATURES: SOFTWARE�� 9

WORK DISPLAY OPTIONS ..................................................................... 9

COMBUSTIBLE GAS TYPE....................................................................... 9

LEL DEFINITION.................................................................................... 10

H2S RESOLUTION................................................................................. 10

HCN RESOLUTION ............................................................................... 10

NON-STANDARD READINGS................................................................. 10

NSR .................................................................................................... 10

NSC .................................................................................................... 10

ALARMS .............................................................................................. 11

OPERATION AND USE�� 12

POWER-ON AND STARTUP SEQUENCE.................................................. 13

BUMP TESTING AND CALIBRATION ....................................................... 14

THE WORK DISPLAY.............................................................................. 14

FILTER INTEGRITY AND FLOW BLOCK CHECK ......................................... 14

READY FOR USE ................................................................................... 14

POWER OFF & BATTERY CHARGING...................................................... 15

QUICK MENU TEST MODES �� 16

TICK .................................................................................................... 17

BAR HOLE TEST .................................................................................... 18

CO TEST .............................................................................................. 20

PURGE TEST ......................................................................................... 22

LEAK SEARCH MODE............................................................................ 24

STANDBY MODE .................................................................................. 25

PEAK MODE ........................................................................................ 26

INERT PURGE MODE............................................................................. 27

USER MENU �� 29

SET DATE ............................................................................................. 30

SET TIME.............................................................................................. 31

TIME ZONE.......................................................................................... 31

FLASHLIGHT......................................................................................... 32

BUMP TEST........................................................................................... 32

SMART SENSOR................................................................................... 33

CALIBRATION....................................................................................... 34

O2 TEST .............................................................................................. 36

GAS TYPE ............................................................................................ 37

CAL LOG ............................................................................................. 37

SESSION LOG ...................................................................................... 39

BAR HOLE LOG .................................................................................... 39

CO LOG .............................................................................................. 40

DATA LOG ........................................................................................... 40

SMART CAL ......................................................................................... 41

SMART-LINK ......................................................................................... 42

CALIBRATION NEXT DUE....................................................................... 42

BARHOLE PURGE THRESHOLD ............................................................... 42

CO PURGE THRESHOLD ........................................................................ 43

NOTES �� 44

EU WASTE ELECTRICAL AND ELECTRONIC �� 47

EQUIPMENT (WEEE) DIRECTIVE �� 47

WARRANTY �� 48

QUICK START GUIDE

1. Remove the instrument and rechargeable battery from the carrying case and install the

battery into the instrument. Secure it with the Phillips head screw. Wait 30 minutes before

proceeding to step 2.

2. Press and hold the Abutton until the instrument powers on. The LED dome will illuminate

and the SENSIT logo will be shown on the display.

3. In clean air, allow the instrument to go through the startup sequence, warmup, and Autozero. This

typically takes around 30 seconds, but if the battery was disconnected it can take up to 5 minutes.

4. An automatic ow block test may be prompted during startup. If so, place your nger over

the inlet at the end of the gooseneck and wait until the test passes. This should happen

within 5 seconds. If ow block cannot be achieved replace sensor cap and orings, contact

SENSIT Technologies for assistance.

If the automatic ow block test is not prompted during startup, perform this test after the

Autozero is complete and the work display is shown.

FLOW BLOCKED

will be displayed.

NOTE: If any

FAIL

messages occur during the Autozero, ensure that the instrument is in clear

air, and attempt the zero again by pressing and holding the Cbutton until

AUTOZERO

shown on the display. Contact SENSIT Technologies if the instrument cannot pass the

Autozero.

5. The work display will be shown with gas readings.

Up to (5) total gasses can be shown: EX, CO, O2,

H2S, and HCN. If equipped with the TC sensor, the

combustible gas reading will automatically scale into

the percent volume range after the LEL range.

6. Once the work display is shown with no fail messages,

and a ow block check has been successful, you are

ready to use the instrument.

7. Following federal, state, municipal, and/or company procedures, conduct the leak

investigation, survey, or other procedures as needed. See the Operation and Use and

Quick Menu Test Modes sections in the instruction manual for detailed information.

8. If the source of an odor or known leak needs to be pinpointed, use the

TICK

feature. To

enable, press and release the Bbutton to enter the

QUICK MENU

. Press and release the

Bbutton again to enable

TICK

An audible ticking sound will be heard. Move the end of the gooseneck towards the area

suspected of leakage. As you get closer to the source, the tick rate will increase. Press and

release the Bbutton or roll back the thumb wheel to decrease the tick. Press and release

the Abutton to deactivate.

9. If equipped with T/C any NSC reading shown on the display indicates a “non-standard

combustible” gas has been detected.

Any NSR reading shown on the display indicates a “non-standard response”, which means

the instrument has detected a likely non-combustible gas that it isn’t calibrated for.

10. To zero out very small levels of gas, press and hold the Cbutton until

AUTOZERO

is shown on

the display. This should only be done to set the instrument zero to your working environment,

(e.g. to zero out a small level of CO on a street with heavy vehicle trafc). The instrument will

not allow a zero if unsafe levels of gas are present and will show a fail message.

11. When your investigation is complete, press and hold the Abutton until the instrument

displays

POWER OFF SHUTDOWN.

PRODUCT FEATURES: HARDWARE

COMBUSTIBLE GAS SENSORS

All SENSIT GOLD G3 instruments incorporate the 2611 sensor, a highly sensitive and uniquely

designed semiconductor sensor. The function and accuracy of the sensor are monitored and

controlled by specialized circuitry and a microprocessor. The sensor is capable of measuring

concentrations as low as 1PPM methane, up to 100%LEL (5.0%VOL).

There is an additional optional combustible gas sensor called the TC sensor that increases the

capability of the instrument to measure above 100%LEL, up to 100%VOL. This state-of-the-art

thermal conductivity sensor can measure high concentrations of gas quickly and accurately.

All gas readings are automatically switched between scales of PPM (if enabled), %LEL, and

%VOL without requiring input from the operator.

ELECTROCHEMICAL SMART SENSORS

All other sensors in the SENSIT GOLD G3, if equipped, are “electrochemical” type sensors.

Options for these sensors are:

• Oxygen (O2), detectable range from 0-25% with a 0.1% resolution.

• Carbon Monoxide (CO), detectable range from 0-2,000PPM with a 1PPM resolution

• Hydrogen sulfide (H2S), detectable range from 0-100PPM with either a 1PPM (default) or

0.1PPM resolution.

• Hydrogen cyanide (HCN), detectable range from 0-30PPM with a 0.1PPM resolution.

The maximum number of available “slots” for these sensors is 3. However, detection capability

for all 4 is available (making the instrument a 5-gas detector), in which case the CO and H2S

sensors will be a combination sensor instead of individual.

FLEXIBLE WAND AND FLASHLIGHT

The combustible gas sensor for the LEL range/tick is installed at the end of the flexible wand or

“gooseneck”. This allows for extremely fast, near instantaneous reaction to gas, because there

is essentially no travel time for the gas sample. As soon as it is drawn in by the pump, the first

thing it hits is the sensor.

In addition, the wand in the SENSIT GOLD G3 is now equipped with a flashlight, made up

of individual LEDs installed on the sensor circuit board. This flashlight feature can be enabled or

disabled whenever the operator desires.

RECHARGEABLE BATTERY AND CHARGING STATION

The SENSIT GOLD G3 comes standard with a rechargeable battery pack. This battery pack

is installed in the handle of the instrument and secured with a captured Philips head screw. The

battery pack can be charged while still installed in the instrument, or when removed, with the

included battery charging station. This charging station can be semi-permanently mounted to a

table or wall, in a vehicle, or just left free standing without needing to be secured. The station

includes a set of LEDs that tell the operator the charging status.

TWO-SPEED PUMP AND SAMPLING SYSTEM

All SENSIT GOLD G3 instruments are equipped with a powerful and efficient pump that has

two speeds, depending on what mode of operation the instrument is in. While in

BARHOLE

LEAK SEARCH

mode, the pump runs in the higher speed of around 0.4 – 0.5 L/MIN, to make

leak investigation quicker and more efficient. When in the work display or any other test mode,

the pump runs in the lower speed of around 0.3 L/MIN to conserve power.

A hydrophobic dirt and water filter at the end of the gooseneck protects the pump and the rest

of the inside of the instrument from foreign material. There is an additional internal filter that also

helps to protect the pump from damaging debris. If water or dirt does enter the instrument and

impact the pump, a flow blocked message will be displayed.

⚠ WARNING: Operating the SENSIT GOLD G3 without a sensor cap or with a

damaged or altered sensor cap can cause damage to the instrument and

void the warranty.

LED DOME

The LED dome on the SENSIT GOLD G3 displays different colors and patterns to alert the

operator of various conditions. See the chart below for information on each�

COLOR INDICATION

Solid Green “Ready” indication. No current alarm condition or failure.

Blinking Green 1. Low battery indication. The work display will also give an indication on screen to alert the operator.

2. Conned space mode. By default, the LEDs will blink off every 30 seconds (adjustable).

Solid Amber / Yellow “LOW” alarm condition for combustible gas. The default setpoint for this is 5.0%LEL.

Solid Red

“HAZ 1 & 2” conditions for combustible gas. Both will also be indicated on the work

display.

• “HAZ1” is triggered at ≥10%LEL

• “HAZ2” is triggered at ≥25%LEL

Blinking Red

1. Any alarm conditions. How fast the LEDs blink is determined by the alarm level (low, high, or high-

high). For combustibles, this is a “HAZ 3” alarm.

2. Sensor failure/fault.

Solid Blue Busy, not in gas detection mode (e.g., viewing logs, SmartLink, SmartCal 360

Communication)

PRODUCT FEATURES: SOFTWARE

WORK DISPLAY OPTIONS

COMBUSTIBLE GAS SCALE AND RESOLUTION

The combustible gas reading will be automatically displayed in one of three scales on the

SENSIT GOLD G3: PPM, %LEL, and %VOL. By default, the reading starts in the %LEL scale

(from 0%LEL) and will automatically switch to %VOL at ≥100%LEL (equal to 5.0%VOL by default,

see the section on LEL Definition), if equipped with a TC sensor.

If the %LEL option is disabled, the G3 will display in %VOL through the entire scale (either up to

5%VOL if the TC sensor is not equipped, or up to 100%VOL if equipped).

If the PPM option is enabled, the G3 will instead start at 0PPM, and automatically scale to

either %LEL (if enabled) or %VOL at the specified upper limit. By default, this is 2,000PPM.

Other options are 5,000PPM, 10,000PPM, or 50,000PPM. If set to 50,000PPM, the G3 will not

scale to %LEL even if it is enabled, because at the highest LEL Definition, 50,000PPM is equal to

100%LEL.

In addition, the display resolution for the PPM and %LEL scales are customizable. The default

display resolutions and options for each scale, while on the work display, are listed below.

DEFAULT RESOLUTION

PPM Disabled 1PPM or 10PPM

%LEL 0.1%LEL 0.1% - 2.0%LEL

[0.1% increments]

%VOL <5.0%VOL: 0.01%VOL

≥5.0%VOL: 0.1%VOL Not adjustable

COMBUSTIBLE GAS TYPE

The SENSIT GOLD G3 supports both natural gas (methane) and propane. The combustible gas

reading will show which is currently set. This can be adjusted in the User Menu (Gas Type). The

GAS TYPE

setting only affects what calibration is applied and how the display reading is shown.

It does not affect what gasses the 2611 (LEL) sensor will respond to.

NOTE: Currently only natural gas (methane) is available as a

GAS TYPE

option. Propane will be

available upon release of the product.

LEL DEFINITION

By default, the SENSIT GOLD G3 defines the lower explosive limit (LEL) as 5.0%VOL methane

and 2.2%VOL propane. This is factory adjustable between 4.0% and 5.0% for methane and

1.8% and 2.2% for propane (not currently supported), in 0.1% increments, based on company

or industry requirements. This will affect how the instrument displays the %LEL scale. For example,

if the LEL definition is 4.0%VOL, 2.5%VOL methane will display as 62.5%LEL. See the chart

below for examples for natural gas�

H2S RESOLUTION

If the SENSIT GOLD G3 is equipped with a hydrogen sulfide (H2S) sensor, it will have a

resolution of 1ppm by default (0-100PPM range). There is an optional Expert Menu adjustment

for this to increase the resolution to 0.1PPM.

HCN RESOLUTION

If the SENSIT GOLD G3 is equipped with a hydrogen cyanide (HCN) sensor, it will have a

resolution of 0.1PPM by default (0-30PPM range). There is an optional Expert Menu adjustment

for this to decrease the resolution to 1PPM.

NON-STANDARD READINGS

When equipped with the optional TC sensor, the SENSIT GOLD G3 has two “non-standard”

readings available: NSR (non-standard response) and NSC (non-standard combustible). These

can be triggered on the work display or in barhole mode.

NSR

NSR stands for non-standard response. This is an indication that the G3 has encountered a gas it

was not calibrated for. In the case of NSR, the gas is likely not combustible. If the G3 gas type is

set for natural gas (methane), NSR likely indicates a gas that is heavier than air such as carbon

dioxide, and if set for propane, likely indicates a gas that is lighter than air such as helium.

NSC

NSC stands for non-standard combustible. This is an indication that the G3 has encountered a

gas it was not calibrated for that is likely combustible. If the G3 gas type is set for natural gas

(methane), NSC likely indicates a combustible gas heavier than air such as propane, butane,

gasoline vapors, etc. If the G3 gas type is set for propane, NSC likely indicates a combustible

gas lighter than air such as natural gas, naturally occurring methane, or hydrogen.

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