GasSecure GS01-EA Manuel utilisateur

GasSecure GS01 and GS01-EA

Wireless Infrared Hydrocarbon

Gas Detector

User Manual

(For firmware version ≥ 3.3)

Document ID: 112464 Contact info

Release: 9 GasSecure AS

Version: 145 Hoffsveien 70 C

Doc. Status: APPROVED N-0377 Oslo

Last modified: 26.04.2017 Norway

www.gassecure.com

post@gassecure.com

GasSecure GS01

Hardware Manual

Note

Those who have or will have the responsibility for the operation or maintenance of

this product must carefully read this manual. The product may not perform as

designed if it is not used and maintained in accordance with the manufacturer’s

instructions.

Please read the complete manual and particularly note the paragraphs having an

exclamation mark in the margin.

This manual covers installation, operation and maintenance of the GS01 wireless

hydrocarbon detector and its battery pack.

The product warranty issued by GasSecure is voided if the product is not used

and maintained as described in this manual.

Please read also the safety instructions in Section 6.

GasSecure GS01

Hardware Manual

PRODUCT DATA

Manufacturer GasSecure AS

Country of origin Norway

Models GS01, GS01-EA

Gases Hydrocarbons

Range Methane configuration 0 – 100% LEL

Range Propane configuration 0 – 80% LEL

Environmental conditions

Operating temperature -30oC to +55oC

Humidity 0 to 90 RH1non-condensing

Pressure influence, 700 – 1300 hPa2≤0.15% of reading per hPa

(at 50% LEL)

Protection classification IP 66 and IP 67 3

Storage temperature -40oC to +65oC

Storage pressure 700 to 1300 hPa

Electrical

RF output power GS01 ≤12 dBm EIRP

RF output power GS01-EA ≤16 dBm EIRP

Battery type Lithium-Thionyl Chloride

Battery cells Tadiran SL-2780/S or TL-5930/S

Average power 5 mW

Explosion Protection II 2G Ex ib IIC T4 Gb -30oC to +55oC

Intrinsic safety temperature -40oC to +65oC

Gas performance temperature -30oC to +55oC

1The manufacturer verified conditions are 0-100% RH and condensing.

2Applies only for Methane configuration and outside the pressure range 850 – 1150 hPa: The

process value (PV) must be replaced with the adjusted process value PVadj. PVadj is calculated by

the controller with the measured atmospheric pressure as input according to

formula

( )

PVPV p

adj

5.1

−

, where p is the measured pressure and p0 is the standard atmospheric

pressure (101 kPa). Pressure p must be measured with +/-10 kPa accuracy.

3IP ratings do not imply that the equipment will detect gas during exposure to those conditions.

GasSecure GS01

Hardware Manual

III

TABLE OF CONTENTS

1. PRODUCT DESCRIPTION ........................................................................................................5

1.1 GENERAL .................................................................................................................................5

1.2 MEASURING PRINCIPLE .............................................................................................................5

1.3 INSTRUMENT DESCRIPTION........................................................................................................6

1.4 BATTERY..................................................................................................................................6

1.5 OUTLINE DIMENSIONS ...............................................................................................................6

2. INSTALLATION..........................................................................................................................9

2.1 TOOLS .....................................................................................................................................9

2.2 MOUNTING ...............................................................................................................................9

2.3 GROUNDING...........................................................................................................................10

2.4 SUN SHADE /WEATHER PROTECTION.......................................................................................10

2.5 EXTERNAL ANTENNA (APPLIES ONLY FOR GS01-EA)................................................................10

3. COMMISSIONING....................................................................................................................12

3.1 COMMUNICATION....................................................................................................................12

3.2 ISA100 WIRELESS™STANDARD.............................................................................................12

3.3 ISA100 OBJECTS....................................................................................................................12

3.4 GS01 DATA FORMAT DETAILS..................................................................................................14

3.5 MODIFICATION OF LEL............................................................................................................14

3.6 COMMUNICATION MONITORING ................................................................................................15

3.7 GS01 DETECTOR PROVISIONING .............................................................................................15

3.8 MODIFICATIONS TO AN EXISTING NETWORK..............................................................................18

3.9 VISUAL AND FUNCTIONAL CHECK .............................................................................................19

4. OPERATION.............................................................................................................................20

4.1 NORMAL OPERATION...............................................................................................................20

4.2 PROOF TEST (VALIDATION)......................................................................................................20

5. MAINTENANCE .......................................................................................................................22

5.1 ROUTINE MAINTENANCE ..........................................................................................................22

5.2 SPARE PARTS AND ACCESSORIES............................................................................................22

5.3 CLEANING ..............................................................................................................................23

5.4 BATTERY PACK.......................................................................................................................23

5.5 STORAGE...............................................................................................................................26

5.6 TROUBLESHOOTING................................................................................................................26

5.7 CONTACT GASSECURE FOR SUPPORT .....................................................................................27

6. SAFETY INSTRUCTIONS........................................................................................................29

7. CERTIFICATIONS AND STANDARDS....................................................................................30

7.1 STANDARDS ...........................................................................................................................30

7.2 REGULATORY COMPLIANCE OF RADIO FOR GS01.....................................................................31

7.3 MARKING ...............................................................................................................................31

8. TECHNICAL DATA ..................................................................................................................35

8.1 PERFORMANCE CHARACTERISTICS..........................................................................................35

8.2 CROSS SENSITIVITIES .............................................................................................................36

9. REFERENCES .........................................................................................................................38

10. APPENDIX ...........................................................................................................................39

GasSecure GS01

Hardware Manual

FIGURES

FIGURE 1-1: GS01 DETECTOR LAYOUT................................................................................................................6

FIGURE 1-2: GS01 DETECTOR WITH DIMENSIONS IN [MM]...................................................................................7

FIGURE 1-3: GS01-EA DETECTOR WITH DIMENSIONS IN [MM] ............................................................................8

FIGURE 1-4: GS01 MEASURING CELL DETAILS.....................................................................................................8

FIGURE 2-1: CORRECT POSITION OF THE WEATHER CAP AND LOCATION OF EARTH POINT..................................10

FIGURE 2-2: GS01-EA LAYOUT WITH ANTENNA CONNECTIONS ........................................................................11

FIGURE 3-1: GS01 CONFIGURATOR...................................................................................................................17

FIGURE 5-1: BATTERY PACK WARNING LABEL...................................................................................................24

FIGURE 5-2: BATTERY PACK BOTTOM VIEW ......................................................................................................25

FIGURE 5-3: BATTERY PACK TOP AND BOTTOM.................................................................................................25

FIGURE 7-1: GS01 PRODUCT IDENTIFICATION PLATE.........................................................................................31

FIGURE 7-2: GS01-EA PRODUCT IDENTIFICATION PLATE ..................................................................................32

FIGURE 7-3: GS01 PRODUCT IDENTIFICATION PLATE –FM APPROVED..............................................................32

FIGURE 7-4: GS01-EA PRODUCT IDENTIFICATION PLATE –FM APPROVED .......................................................32

FIGURE 7-5: FCC COMPLIANCE LABEL..............................................................................................................33

FIGURE 7-6: BATTERY PACK IDENTIFICATION LABEL (FM APPROVED VERSION TO THE RIGHT) .........................34

FIGURE 7-7: ANTENNA IDENTIFICATION LABEL (FM APPROVED VERSION TO THE RIGHT)..................................34

FIGURE 10-1: EU DECLARATION OF CONFORMITY FOR GS01 AND GS01-EA ...................................................42

TABLES

TABLE 2-1: PROPERTIES OF STANDARD ANTENNA CABLE FOR THE GS01-EA ...................................................11

TABLE 3-1: ISA100 OBJECTS ............................................................................................................................13

TABLE 3-2: LEL VALUES IN [% VOL]ACCORDING TO IEC AND NIOSH............................................................14

TABLE 3-3: PV GAS MEASUREMENT DATA INTEGRITY ......................................................................................15

TABLE 4-1: RECOMMENDED GAS CONCENTRATIONS FOR VALIDATION..............................................................21

TABLE 5-1: IMPORTANT SPARE PARTS AND ACCESSORIES FOR THE GS01 .........................................................22

TABLE 5-2: STATUS MESSAGES RETRIEVED FROM THE DIAG_STATUS ATTRIBUTE ............................................27

TABLE 7-1: LIST OF APPLICABLE STANDARDS FOR THE GS01............................................................................30

TABLE 8-1: PERFORMANCE CHARACTERISTICS FOR THE GS01..........................................................................35

TABLE 8-2: LEL VALUES IN [% VOL]ACCORDING TO IEC60079-20. ................................................................36

TABLE 8-3: CROSS SENSITIVITIES FOR A GS01 METHANE DETECTOR................................................................36

TABLE 8-4: CROSS SENSITIVITIES FOR A GS01 PROPANE DETECTOR.................................................................36

TABLE 8-5: LEL VALUES IN [% VOL]ACCORDING TO NIOSH...........................................................................36

TABLE 8-6: CROSS SENSITIVITIES FOR A GS01 METHANE DETECTOR................................................................37

TABLE 8-7: CROSS SENSITIVITIES FOR A GS01 PROPANE DETECTOR.................................................................37

TABLE 10-1: PV_STATUS BYTE DESCRIPTION ACCORDING TO ISA100 WIRELESS™STANDARD.......................39

TABLE 10-2: CONTENT OF THE DIAG_STATUS ATTRIBUTE............................................................................39

GasSecure GS01

Hardware Manual

DESCRIPTION

1. PRODUCT DESCRIPTION

1.1 General

The GS01 is a wireless, battery powered point detector that monitors the

concentration of hydrocarbon gases.

It uses a combination of two sensors:

1. An ultrasonic speed-of-sound sensor that continuously monitors changes in

the ambient air composition.

2. An optical (infrared) absorption sensor that is used for accurate

measurements of the hydrocarbon gas concentration.

The infrared sensor uses more power than the ultrasonic and is therefore kept in

watch mode if the ultrasonic sensor does not detect any changes in the air

composition. The infrared sensor applies optical MEMS (micro electromechanical

system) technology to enable intermittent operation with fast start-up and

measurement, and thus very low average battery consumption.

The measured gas concentration is transmitted wireless using the ISA100

Wireless™ standard. This manual does not cover the wireless router or gateway

and the connected control system (please refer to the list of references in Section

9 providing examples of relevant documentation).

The detector is intrinsically safe, with equipment protection level Gb (Ex ib) (see

Section 7) intended for use in zone 1 and 2 areas.

Two models are available of this gas detector:

- GS01 with fixed antenna

- GS01-EA with extended antenna

All information in this manual for the GS01 also applies for the GS01-EA unless

explicitly otherwise noted.

1.2 Measuring principle

The GS01 detector utilises infrared absorption spectroscopy. The fundament is

the Beer-Lambert Law, which relates the absorption of light to the properties of the

material through which the light is travelling.

The internal radiation source emits infrared radiation through a lens and a

sapphire window into the measuring cell (cf. Figure 1-1 and Figure 1-4). A mirror

at the opposite end of this cell returns the beam back through the sapphire

window into the internal volume of the detector and onto a filter that disperses,

focuses, and modulates the incident light. This filter is a patented silicon MEMS

component proprietary to GasSecure.

By applying a control voltage to the MEMS chip it is switched between the so-

called gas state and the reference state. In the gas state a wavelength where

hydrocarbons do absorb light is focused onto the detector, whereas two

GasSecure GS01

Hardware Manual

6 CHAPTER 1

wavelengths where hydrocarbons do not absorb are focused onto the detector in

the reference state. The GS01 detector uses the same light source, light path and

photodetector for both measurements.

This single beam, triple wavelength detection is unique to the GS01 from

GasSecure.

1.3 Instrument description

The GS01 consists of the main housing (316L stainless steel) with mounting

bracket, the measuring cell, an antenna (note that the GS01-EA features an

antenna connector instead), and the battery compartment (cf. Figure 1-1).

Attached to the main housing are the following detachable parts:

•Weather cap (Polyamide 6)

•Battery cap (Polyamide 6)

•Battery package (Polyamide 6)

Except for these detachable parts, the user shall not disassemble the sensor any

further. When the weather cap is removed, the infrared measuring cell with the

sapphire window on the main housing and the mirror at the outer end, is open and

accessible for cleaning. The ultrasonic sensor is protected by a perforated steel

sheet, which shall not be removed.

1.4 Battery

The GS01 may only be used with the GasSecure battery pack (Part number

10055). The battery pack is designed for two Lithium-Thionyl Chloride size D cells

in series, and has a nominal output voltage of 7.2V. The battery pack has an

internal charge counter. The battery pack is intrinsically safe (see Section 7).

1.5 Outline dimensions

Figure 1-1 shows the sensor buildup with an exploded drawing. Figure 1-2 and

Figure 1-3 depict the GS01 and GS01-EA dimensions, respectively.

Figure 1-1: GS01 detector layout

with A) Weather cap, B) Measuring cell, C) Mounting bracket, D) Antenna, E)

Stainless steel housing, F) Battery compartment, G) Battery pack, H) Battery cap

GasSecure GS01

Hardware Manual

DESCRIPTION

Figure 1-2: GS01 detector with dimensions in [mm]

GasSecure GS01

Hardware Manual

8 CHAPTER 1

Figure 1-3: GS01-EA detector with dimensions in [mm]

Figure 1-4: GS01 measuring cell details

showing A) External mirror, B) Infrared beam path, C) Sapphire window, D)

Ultrasonic sensor with protective sheet

GasSecure GS01

Hardware Manual

INSTALLATION

2. INSTALLATION

Note: The GS01 gas detector certification must comply with the legal requirements

following the area classification at the installation point.

The detector shall be installed where it is most likely to detect gas in the event of a

leakage.

For battery pack installation see Section 5.4.

In areas with significant exposure to direct sunlight and the risk of temperatures

beyond the operating temperature range, a sunshade should be considered (see

list of spare parts in Table 5-1).

2.1 Tools

The following tools are needed to install the instrument:

•Open-end spanner for M8 bolts (alternatively 5/16” bolts)

•Face spanner with two pins in size 75x6 (distance x pin diameter) as

optional tool to remove the battery cap

•Torx screwdriver T10 for battery cell replacement (cf. Section 5.4.2)

2.2 Mounting

The detector is mounted with its long axis horizontally. For the standard GS01

make sure, to the extent possible, that the antenna is vertical (pointing up or

down) and that local radio shadowing is kept at a minimum. The GS01-EA may be

mounted in any horizontal orientation.

Two M8 bolts (alternatively 5/16” bolts) with washers under the head are used to

attach the bracket. The bolts should be spaced from 85 to 95 mm to easily fit the

slots when mounting the detector.

The weather cap must be mounted with the arrow on the cap pointing upwards,

regardless if the antenna is pointing up or down (cf. Figure 2-1). If possible, mount

the GS01 with the weather cap oriented away from the prevailing wind direction.

Do not use the GS01 detector in ventilation ducts or pipes.

Do not mount the detector directly above hot or cold surfaces. If the detector is

mounted inside metallic structures or enclosures the GS01 detector with extended

antenna (GS01-EA) should be considered.

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