SENSIT Technologies IRED Manual de usuario

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 prevent ignition of flammable or combustible atmospheres, disconnect power before

servicing in an area known to be free of combustible gases.

WARNING: Charge battery pack in an area known to be free of combustible gases.

WARNING: Use only SENSIT Technologies battery pack.

WARNING: Service may only be performed by factory authorized service technicians.

WARNING: Not for use in environments greater than 21% oxygen.

WARNING: Read and understand instructions prior to use.

WARNING: Always start the IRED in an area known to be gas free.

WARNING: Tampering with this product may void the warranty.

WARNING: Use only SENSIT Technologies approved parts and accessories.

WARNING: Never use an instrument known to be damaged, operating unusually, or out of calibration.

CONTENTS

Parts and Accessories................................................................................................................................................4

Standard Parts (Included).......................................................................................................................................4

Calibration...............................................................................................................................................................4

Product and Technology Description..........................................................................................................................5

Product Features........................................................................................................................................................6

User Interface..........................................................................................................................................................6

Specifications..............................................................................................................................................................7

External Features .......................................................................................................................................................8

Battery Pack and Charging.....................................................................................................................................8

Handle Strap / Shoulder Strap Attachments...........................................................................................................9

Gas Inlet and Outlet................................................................................................................................................9

Hydrophobic Filter Assembly..................................................................................................................................9

Operation and Use................................................................................................................................................... 10

Power on and Startup Sequence......................................................................................................................... 10

Field Use - Measurement..................................................................................................................................... 11

Printing with the IR Printer ................................................................................................................................... 12

Power Down and Standby ................................................................................................................................... 12

Bump Test ............................................................................................................................................................... 13

Manual Bump Test............................................................................................................................................... 13

SMART-CAL Bump Test...................................................................................................................................... 14

Calibration................................................................................................................................................................ 15

Manual Calibration............................................................................................................................................... 15

SMART-CAL Calibration...................................................................................................................................... 16

User Menu ............................................................................................................................................................... 17

Expert Menu ............................................................................................................................................................ 19

Use in Conjunction with a PMD............................................................................................................................... 21

Method 1 –Simultaneous Sample Analysis ........................................................................................................ 22

Method 2 - Independent Sample Analysis........................................................................................................... 22

Methane/Ethane Ratio Chart................................................................................................................................... 23

SmartLink Software and Plotting Measurement Logs ............................................................................................. 25

Notes ....................................................................................................................................................................... 26

Warranty.................................................................................................................................................................. 28

PARTS AND ACCESSORIES

STANDARD PARTS (INCLUDED)

Compact Carrying Case 872-00021

Telescopic Survey Probe 883-00029

Instrument Handle Strap 360-00464

Hot Swap Vehicle Battery 871-00030

Universal Wall Charger 871-00025

Battery Door Removal Tool 360-00249

Hydrophobic Filter Ring Assembly (10 pack) 873-00033

Survey Probe Filter (Blue) (1 filter) 360-00064

Instruction Manual 750-00061

For IREDs equipped with GPS:

SmartLink Log Viewer Software 870-00040

SmartLink Installation Guide 750-00051

CALIBRATION

IRED Calibration Kit 881-00100

Kit Includes:

(1) Regulator, (1) Cal Adapter

(1) 100 ppm Ethane / Nitrogen 58L

100 ppm Ethane 58L replacement cylinder 315-120010

IRED Bump Test Kit 881-00101

Kit Includes:

(1) Regulator, (1) Cal Adapter,

(1) 1000 ppm Methane / 10 ppm Ethane 58L

1000 ppm Methane / 10 ppm Ethane 58L 315-120005

See the accessories catalog on our website, www.gasleasksensors.com, for other accessories and replacement

parts.

PRODUCT AND TECHNOLOGY DESCRIPTION

The SENSIT Infrared Ethane Detector, referred to as IRED, is designed to detect the presence of ethane gas in a

methane gas sample. The IRED can detect 250 parts per billion (ppb) up to 500 ppm ethane. The IRED is used

to determine if methane detected in the range of 50 –2400 ppm is of similar make-up to that of pipeline gas (which

contains ethane) or is naturally occurring methane from other sources such as organic decay. The IRED is not

designed for high concentrations or determining actual ethane content from within a pipeline.

The IRED senses gas using Infrared (IR) Absorption Spectroscopy in combination with an electronic narrow

bandpass filter. This technology utilizes an infrared light source with an output that is changed when certain gases

absorb the light output. The filter only allows specific light wavelengths to be monitored and measured. The

concentration of gas is proportional to the amount of specific IR light absorbed and is displayed in ppb or ppm

concentrations.

The IRED has a large display indicating both sustained and peak reading concentrations and other instrument

functions. An internal pump provides rapid sampling into the detection chamber. Bluetooth data transmission

provides communication of stored data. Optional GPS with Data Logging allows for further recording of time, data,

and location data.

PRODUCT FEATURES

The IRED is constructed of durable ABS plastic.

The housing is designed to meet IP54 ingress protection.

The rechargeable battery pack is designed for easy field replacement and charging.

Calibration can be done either manually or with the Smart-Cal station.

External hydrophobic filters are inexpensive and easy to change.

The user interface is simple, easy to navigate, and will be familiar to users of other

SENSIT products.

Optional GPS gives latitude and longitude location coordinates for each field

measurement.

Measurement, calibration, and bump test results are all stored in internal memory that

can be printed with an IR printer or downloaded using SmartLink Software.

Built-in Bluetooth communication provides an easy and convenient way to retrieve data

from the IRED when used with SmartLink Software.

USER INTERFACE

The user interface on the IRED includes the

following features:

LCD

Three button operation

LED status indicators

Sounder

Photo cell for automatic backlighting

IR communication port

SPECIFICATIONS

OPERATIONAL SPECIFICATIONS

Temperature: -4°F to 122°F (-20°C to 50°C)

Duty Cycle: 6 hours

Test Time: 40 seconds (after warm-up and zeroing)

Display: Visual –backlight display

Visual –concentration, test status, instructional prompts

Visual –failure indicators

Power: Lithium Ion rechargeable battery pack

Optional vehicle charger adapter

Pump Flow: 1.0 lpm

Sample Size Range: 50 –2400 ppm methane

PHYSICAL SPECIFICATIONS

Size: 11.625” x 5.25” x 8.275” (approximate) (11.6cm x 13.3cm x 21.3cm)

Weight: 7.41 lbs (3.36 kg)

Construction: Aluminum/ABS plastic

SENSOR SPECIFICATIONS

IR Sensor: Method: advanced infrared absorption spectroscopy

Detection range: 250 ppb –500 ppm ethane

Warmup time: < 30min

Calibration required: 3 months

EXTERNAL FEATURES

BATTERY PACK AND CHARGING

The battery pack for the IRED is located on the back

side of the instrument housing. The batteries are

Lithium Ion rechargeable and only available from

SENSIT Technologies.

To remove the battery pack, turn the retaining screws

¼ turn. Pull the bottom of the pack away from the

main housing. The battery pack may be charged

while still in the housing, but the instrument will not be

able to be used during this time.

To re-install the battery pack into the instrument, slide

the top tabs of the battery pack into the retainers at

the top of the main housing. Push the bottom into

place and turn and lock the retaining screws.

The battery pack has LEDs to indicate charge status.

Charging should only be performed in an area known

to be free of combustible gases.

The battery pack may also be charged while

operating in a vehicle. Connect the 12 VDC adapter

into the vehicle power outlet and the external port on

the battery housing. This can be connected and

disconnected while the IRED is operating.

When the charger is disconnected, the words WARM UP PLEASE WAIT (flashing) are displayed and a 180 second

countdown is started and shown on screen. The user cannot perform a measurement until the countdown expires.

The instrument will only operate when on battery power.

HANDLE STRAP / SHOULDER STRAP ATTACHMENTS

The IRED comes standard with a handle strap to make carrying the instrument more convenient. A shoulder strap

is also available. The straps clip onto two “D” rings on the sides of the IRED.

GAS INLET AND OUTLET

The gas inlet and outlet are located on the front of the main housing. Both are fitted with ¼ turn luer-style

connections for easy connection to probes or other accessories.

The inlet is the center fitting, and is attached to the filter cap which houses the hydrophobic filter assembly (see

next section). The outlet is towards the side of the instrument. Do not block the outlet.

HYDROPHOBIC FILTER ASSEMBLY

WARNING: Do not operate the IRED without a

proper filter installed, or with a filter that is

damaged or completely saturated with liquid.

Damage may occur to the pump or other internal

components.

The inside of the IRED is protected by a hydrophobic

filter. This filter should always be in place when the

instrument is in use. There are two different styles of

filters for the IRED, depending on when the

instrument was manufactured.

The old style filter has an adhesive ring that sticks to

the filter base. Instruments manufactured before

January of 2017, and that have a black filter cap, use

the old style filter.

The new style filter uses a gasket and O-ring to seal

properly. Instruments manufactured during or after

January of 2017, and that have a white filter cap, use

the old style filter.

OPERATION AND USE

POWER ON AND STARTUP SEQUENCE

To power on the IRED, press and hold the POWER (A) button until the display illuminates. The following warmup

sequence will occur on the display:

Display SENSIT logo

System check

Display serial number, software revision, date and time

Flow check

oIf the flow check is successful, PASSED with be displayed.

oIf the flow check is unsuccessful, ensure that nothing is obstructing the inlet or exhaust, and check the

integrity of the hydrophobic filter.

Warmup is indicated by PLEASE WAIT with a 600 second countdown timer. The countdown timer will begin after

an initial warmup of ~5 minutes.

Cell check

oThis is a 5 step process that tests the integrity of the internal cell, and takes 7-8 minutes to complete. The

process is automatic and does not require any user input.

Clean air

Methane cell in

Temperature adjustment

Methane cell in

Clean air

oIf the cell check fails, restart the instrument. If the process is unable to successfully complete, service is

required.

Calibration due date indicating when calibration will need to be done or PAST DUE indicating calibration date has

been exceeded. If calibration is required:

oPressing the Abutton will turn off the instrument.

oPressing the Bbutton will begin the calibration process.

oPressing the Cbutton will skip past the calibration required message to continue warm up. This option is

password protected.

[If activated] Auto Bump test function to validate sensitivity to ethane

oPressing the Abutton will turn off the instrument.

oPressing the Bbutton will begin the bump test process (see the Bump Test section in this manual).

oPressing the Cbutton will skip past the bump test requirement to continue warmup.

Working mode display indicated by READY FOR MEASUREMENT on the display and ready LED being illuminated.

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