RKI Instruments AirLink 6940XP Manuale utente

RKI Instruments, Inc.

www.rkiinstruments.com

AirLink 6940XP

Operator’s Manual

Part Number: 71-0584

Revision: P1

Released: 4/14/22

AirLink 6940XP Operator’s Manual • 2

WARNING

Read and understand this instruction manual before operating

detector. Improper use of the detector could result in bodily harm or

death.

Periodic calibration and maintenance of the detector is essential for

proper operation and correct readings. Please calibrate and maintain

this detector regularly! Frequency of calibration depends upon the

type of use you have and the sensor types. For most applications,

typical calibration frequencies are between 3 and 6 months but can be

more often or less often based on your usage.

3• AirLink 6940XP Operator’s Manual

Product Warranty

RKI Instruments, Inc. warrants gas alarm equipment sold by us to be free from defects in

materials, workmanship, and performance for a period of one year from date of shipment from

RKI Instruments, Inc. Any parts found defective within that period will be repaired or replaced, at

our option, free of charge. This warranty does not apply to those items which by their nature are

subject to deterioration or consumption in normal service, and which must be cleaned, repaired, or

replaced on a routine basis. Examples of such items are:

• Absorbent cartridges

•Fuses

• Pump diaphragms and valves

•Batteries

• Filter elements

Warranty is voided by abuse including mechanical damage, alteration, rough handling, or repair

procedures not in accordance with the operator’s manual. This warranty indicates the full extent

of our liability, and we are not responsible for removal or replacement costs, local repair costs,

transportation costs, or contingent expenses incurred without our prior approval.

THIS WARRANTY IS EXPRESSLY IN LIEU OF ANY AND ALL OTHER WARRANTIES AND

REPRESENTATIONS, EXPRESSED OR IMPLIED, AND ALL OTHER OBLIGATIONS OR LIABILITIES

ON THE PART OF RKI INSTRUMENTS, INC. INCLUDING BUT NOT LIMITED TO, THE WARRANTY

OF MERCHANTABILITY OR FITNESS FOR APARTICULAR PURPOSE. INNO EVENT SHALL RKI

INSTRUMENTS, INC. BE LIABLE FOR INDIRECT, INCIDENTAL, OR CONSEQUENTIAL LOSS OR

DAMAGE OF ANY KIND CONNECTED WITH THE USE OF ITS PRODUCTS OR FAILURE OF ITS

PRODUCTS TO FUNCTION OR OPERATE PROPERLY.

This warranty covers instruments and parts sold to users by authorized distributors, dealers, and

representatives as appointed by RKI Instruments, Inc.

We do not assume indemnification for any accident or damage caused by the operation of this gas

monitor, and our warranty is limited to the replacement of parts or our complete goods.

AirLink 6940XP Operator’s Manual • 4

Caution Statements

WARNING: EXPLOSION HAZARD - SUBSTITUTION OF COMPONENTS MAY IMPAIR

SUITABILITY FOR CLASS I, DIVISION 1, or equivalent as stated in user

manual.

AVERTISSEMENT: RISQUE D'EXPLOSION-LA SUBSTITUTION DE COMPOSANTS

PEUT RENDURE CE MATERIEL INACCEPTABLE POUR LES

EMPLACEMENTS DE CLASSE I, DIVISION I.

CAUTION: For safety reasons, this equipment must be operated and serviced by qualified

personnel only. Read and understand the instruction manual completely before

operating or servicing.

ATTENTION: POUR DES RAISONS DE SECURITE, CET ÉQUIPEMENT DOIT ETRE

UTILISE ENTRETENU ET REPARER UNIQUEMENT PAR UN PERSONNEL QUALIFIE.

ETUDIER LE MANUEL D' INSTRUCTIONS EN ENTIER AVANT D' UTILISER, D'

ENTERETENIR OU DE RÉPARER L' ÉQUIPEMENT.

CAUTION: THIS AREA MUST BE FREE OF FLAMMABLE GASES DURING CALIBRATION.

ATTENTION: CETTE ZONE DOIT ETRE EXEMPTE DE GAZ INFLAMMABLES

PENDANT L'ETALONNAGE.

CAUTION: TO PREVENT IGNITION OF EXPLOSIVE ATMOSPHERES, remove from

explosive atmosphere BEFORE SERVICING.

WARNING: A conduit seal must be used within 18 inches of the enclosure wall to comply with

the hazardous location rating of this product.

Danger Statements

DANGER: The RKI Instruments Inc. AirLink 6940XP is an ambient air Hazardous gas sensor

assembly and only monitors in the immediate vicinity of the sensor housing. A site survey is

required in order to determine the best placement and quantity of sensor assemblies. Improper

installation can lead to an undetectable gas leak which could result in personal injury or loss of

life.

5• AirLink 6940XP Operator’s Manual

Table of Contents

Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

External Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Internal Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Exploded Drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

Remote-Mounted Kit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Mounting the AirLink 6940XP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Remote-Mounted Kit Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Connecting the Batteries. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Closing the Enclosure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Start Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

Normal Operating Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Magnetic Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Powering the Device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Faults. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Above Background Display Behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Accessing the Settings Menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Global Settings and Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27

Global Settings Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Network ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Unit Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Display Screen Contrast Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Return to Factory Default Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Exiting the Global Settings Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Sensor Settings and Calibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

Sensor Settings Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

AirLink 6940XP Operator’s Manual • 6

Turning the Sensor On/Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Zeroing the Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Calibrating the Sensor (Manual Cal) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Calibrating the Sensor (Auto Cal) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Sensor Radio Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Sensor Alarm Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Sensor Background Setting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Calibration Method. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Sensor Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Last Zero/Cal Times . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Reset Sensor Zero/Cal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Exiting the Sensor Settings Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Replacing the Desiccant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Replacing the Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Cleaning the 10.0 eV or 10.6 eV PID Lamp. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Replacing the PID Lamp. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Replacing the PID Electrode Stack. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Replacing the Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74

7• Overview AirLink 6940XP Operator’s Manual

Overview

The RKI Instruments, Inc. AirLink 6940XP explosion-proof ambient air hazardous gas detector is

designed to detect up to 4 different types of toxic gases in potentially hazardous environments.

This product is UL certified as Class I, Division 1, Groups B, C, and D. The AirLink 6940XP

features non-intrusive magnetic switches that allow for complete system configuration, regular

calibration, and product maintenance to be performed in the field, without opening the enclosure

and breaking the seal of the enclosure, thereby compromising the explosion-proof rating of the

device. Non-intrusive interface with the AirLink 6940XP is made possible by use of the magnetic

tool included in the purchase of the device.

In this manual, the instructions reference the use of push-buttons, located on the front panel of the

device. In certain environments, the activation of the non-intrusive magnetic switches, through

the use of the magnetic tool, will replace the directive of the button-press actions. To apply the

magnetic tool, hold the tool to the side of the device enclosure adjacent to the push-button that

you wish to activate. When the magnetic switch is toggled, an on-screen indicator will appear on

the display screen, signifying that a connection was made.

The AirLink 6940XP continuously monitors the gas level of the surrounding environment and

reports once every minute. The reporting rate will increase to once every five seconds when the

detected gas is above the Background Gas set-point. This set-point is adjustable (per sensor) to

account for sites with a constant, low-level of gas, allowing the AirLink 6940XP to maintain a

long battery life. When the gas level passes below or above (for O2) every sensor’s set-point, the

reporting rate will return to once every minute. The AirLink 6940XP display will always show the

present concentration of gas being detected by the sensor assembly.

This document is an operation manual containing diagrams and step-by-step instructions for the

proper and safe installation, start-up, configuration, normal operation, and product maintenance

of the AirLink 6940XP.

NOTE: This document should be read in its entirety before the initial operation of the product.

AirLink 6940XP Operator’s Manual Specifications • 8

Specifications

Table 1 lists specifications for the AirLink 6940XP.

Table 1: Specifications

Target Gas Detection Range Increment Haz. Loc. Alarm Points

(1 / 2 / 3 / 4)*

Ammonia (NH3) 0-100 ppm 1 ppm Cl. 1 Div. 2 12 / 25 / 50 / 100 ppm

0-1,000 ppm 35 / 300 / 300 / 1,000 ppm

Arsine (AsH3) 0-1.00 ppm 0.01 ppm 0.2 / 0.5 / 1.0 / 1.0 ppm

Carbon Dioxide (CO2) 0-5.0% volume 0.1% volume Cl. 1 Div. 1 0.5 / 3.0 / 3.0 / 5.0 % volume

Carbon Monoxide (CO) 0-1,000 ppm 1 ppm 1,000 / 1,000 / 1,000 / 1,000

ppm

Chlorine (Cl2) 0-10.0 ppm 0.1 ppm Cl. 1 Div. 2 1 / 3 / 5 / 10 ppm

Chlorine Dioxide (ClO2) 0-1.00 ppm 0.01 ppm 0.1 / 0.3 / 0.3 / 1.0 ppm

Combustible Gas 0-100% LEL 1% LEL Cl. 1 Div. 1 10 / 20 / 50 / 100% LEL

0-100% volume 1% vol. 100 / 100 / 100 / 100%

Ethylene Oxide (EtO) 0-10.0 ppm 1.0 ppm Cl. 1 Div. 2 1 / 3 / 5 / 10 ppm

Formaldehyde (CH2O) 0-10.00 ppm 0.01 ppm 0.5 / 2 / 5 / 10 ppm

Hydrogen 0 - 100% LEL 1% LEL Cl. 1 Div. 1 10 / 20 / 50 / 100% LEL

Hydrogen Chloride (HCl) 0-20 ppm 1 ppm Cl. 1 Div. 2 5 / 10 / 10 / 20 ppm

0-100 ppm 5 / 10 / 30 / 100 ppm

Hydrogen Cyanide (HCn) 0-50 ppm Cl. 1 Div. 1 5 / 10 / 15 / 50 ppm

Hydrogen Fluoride (HF) 0-10.0 ppm 0.1 ppm Cl. 1 Div. 2 3 / 6 / 6 / 10 ppm

Hydrogen Sulfide (H2S) 0-10.0 ppm 0.1 ppm Cl. 1 Div. 1 1 / 5 / 10 / 10 ppm

0-25 ppm 1 ppm 5 / 10 / 10 / 25 ppm

0-50 ppm 5 / 10 / 10 / 50 ppm

0-100 ppm 10 / 50 / 75 / 100 ppm

0-500 ppm 100 / 200 / 200 / 500 ppm

0-2,000 ppm 100 / 200 / 200 / 2,000 ppm

Nitric Oxide (NO) 0-250 ppm Cl. 1 Div. 2 25 / 50 / 100 / 250 ppm

Nitrogen Dioxide (NO2) 0-20.0 ppm 0.1 ppm Cl. 1 Div. 2 5 / 10 / 10 / 20 ppm

9• Specifications AirLink 6940XP Operator’s Manual

Oxygen (O2) 0-25.0% volume 0.1% volume Cl. 1 Div. 1 19.5% dec. / 23.5% inc. /

17.0% dec. / 25.0% inc.

Ozone (O3) 0-5.0 ppm 0.1 ppm Cl. 1 Div. 2 1 / 3 / 5 / 5 ppm

0-100 ppm 1 ppm 10 / 15 / 15 / 100 ppm

Phosphine (PH3) 0-5.0 ppm 0.1 ppm Cl. 1 Div. 1 0.3 / 1.0 / 1.0 / 5.0 ppm

Sulfur Dioxide (SO2) 0-20 ppm 1 ppm 2 / 5 / 5 / 20 ppm

Volatile organic com-

pounds (VOCs), benzene

calibration standard

10.0 eV Lamp

0 - 10 ppm 0.01 ppm Cl. 1 Div. 1 1 / 1.5 / 1.5 / 10 ppm

0 - 20 ppm 2 / 3 / 3 / 20 ppm

0 - 50 ppm 5 / 7.5 / 7.5 / 50 ppm

0 - 100 ppm 1 ppm 10 / 15 / 15 / 100 ppm

Volatile organic com-

pounds (VOCs), isobuty-

lene calibration standard

Low Range 10.6 eV Lamp

0 - 10.00 ppm 0.01 ppm Cl. 1 Div. 1 1 / 1.5 / 1.5 / 10 ppm

0 - 20.00 ppm 2 / 3 / 3 / 20 ppm

0 - 50.00 ppm 5 / 7.5 / 7.5 / 50 ppm

High Range 10.6 eV Lamp

0 - 100 ppm 1 ppm Cl. 1 Div. 1 10 / 15 / 15 / 100 ppm

0 - 200 ppm 20 / 30 / 30 / 200 ppm

0 - 500 ppm 50 / 75 / 75 / 500 ppm

0 - 1,000 ppm 100 / 150 / 150 / 1,000 ppm

0 - 2,000 ppm 200 / 300 / 300 / 2,000 ppm

11.7 eV Lamp

0 - 100 ppm 0.01 ppm Cl. 1 Div. 1 10 / 15 / 15 / 100 ppm

* Alarms are only programmable at a controller and do not affect operation of the AirLink 6940XP.

Sampling Method Diffusion

Enclosure Ratings Explosion/Flame-Proof

Table 1: Specifications

Target Gas Detection Range Increment Haz. Loc. Alarm Points

(1 / 2 / 3 / 4)*

AirLink 6940XP Operator’s Manual Specifications • 10

Junction Box

Hazardous Location

Certification

ATEX: II 2 G Ex d IIB+H2 Gb;

II 2 D Ex tb IIIC Db IP66

cUL/UL: Class I Groups B, C, and D;

Class II Groups E, F, and G;

Class III

IECEx: Ex D IIB + H2 Gb

Ex tb IIIC Db IP66

Tamb -34°C to +100°C

Sensor Housing

Hazardous Location

Certification

Class I, Division 1 (or Division 2), Groups B, C, D

Ex db IIB Gb

Tamb -40°C to +60°C

NOTE: Certification only applies to some gases. Toxic

gases not certified for Div. 1 locations are suitable for

Div. 2 applications but have no third party approval.

Battery Type Lithium-thionyl (Li-SOCl2) battery pack, 3.6 VDC 76 Ah

Battery Life

6 months (45 days for versions with PID)

NOTE: When the battery indicator is blank, approximately 2 weeks of battery life remain.

Operating

Temperature Range

-40°C to +60°C (-40°F to +140°F)

Humidity Range 0 - 98% relative humidity, non-condensing

Radio Output

• 900 MHz - 52 networks, 255 sensors per network

• 2.4 GHz - 78 networks, 255 sensors per network

RF Connection N-female radio frequency (RF) connector

Display

Transreflective (sunlight-readable)

160 x 104 LCD screen

LED back-light

Max Cable Length for

Remote-Mounted

Antenna

100 feet

Enclosure Material Aluminum

Sensor Housing

Material

303 Stainless steel

Max Cable Length for

Remote-Mounted

Sensor Kit

• Electrochemical (EC): 250 feet

• Infrared (IR): 40 feet

• PID: 35 feet

Dimensions 7” D x 11” W x 24” H

Weight 25 lbs.

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