ESP Safety SGOES User manual

SGOES Infrared Hydrocarbon Gas Detector

Operating Manual

820-0006

SGOES Infrared Hydrocarbon Gas Detector

Operating Manual

820-0006

ESP Safety, Inc.

555 North First Street

San Jose, CA 95112 USA

408-886-9746

Revision History: 820-0006

Date

Revision

Description

Approved

03/20/14

4.5

Reformat

03/24/14

Update for clarity

10/08/18

Terminal Labels

 SGOES Infrared Combustible Gas Detector 
820-0006 Operating Manual 
 
Page ii 
Revised 3/20/2014 
Table of Contents 
1.0 Introduction ...................................................................................................................................................................... 4 
Product Overview ..................................................................................................................................................................... 4 
ESP Safety Inc Contact Information .......................................................................................................................................... 4 
Principles of Operation ............................................................................................................................................................. 5 
SGOES Components.................................................................................................................................................................. 6 
SGOES Dimensional Drawing .................................................................................................................................................... 6 
2.0 Specifications & Technical Data ......................................................................................................................................... 7 
Ordering Guide ......................................................................................................................................................................... 8 
Certifications and Compliance .................................................................................................................................................. 9 
Protective Weather Cover ...................................................................................................................................................... 10 
Internal Optics Heater............................................................................................................................................................. 10 
3.0 Safety Considerations.......................................................................................................................................................10 
Guidelines ............................................................................................................................................................................... 10 
Explosion Protection Means ................................................................................................................................................... 10 
4.0 Installation .......................................................................................................................................................................11 
Component Parts & Delivery Set ............................................................................................................................................ 11 
Visual Examination.................................................................................................................................................................. 11 
Guidelines for Locating the SGOES ......................................................................................................................................... 11 
Mounting ................................................................................................................................................................................ 12 
Earth Grounding...................................................................................................................................................................... 13 
General Wiring Requirements ................................................................................................................................................ 14 
SGOES Wiring Terminal Labels................................................................................................................................................ 14 
Power Up and Stand Alone Operation of SGOES .................................................................................................................... 16 
5.0 Calibration Procedures .....................................................................................................................................................17 
SGOES Calibration Using ESP Commander.............................................................................................................................. 17 
SGOES Calibration Using a HART Communicator.................................................................................................................... 19 
SGOES Calibration Using Magnetic Wand............................................................................................................................... 20 
6.0 Troubleshooting ...............................................................................................................................................................22 
Troubleshooting Table ............................................................................................................................................................ 22 
7.0 Maintenance ....................................................................................................................................................................23 
Periodic Maintenance............................................................................................................................................................. 23 
Maintenance Activities ........................................................................................................................................................... 23 
8.0 Warranties .......................................................................................................................................................................24 
9.0 Repair and Return.............................................................................................................................................................25 
Field Repair ............................................................................................................................................................................. 25 
Return Material Authorization (RMA) Number....................................................................................................................... 25 
10.0 Parts Ordering Information.............................................................................................................................................26 

SGOES Infrared Combustible Gas Detector

820-0006 Operating Manual

Page iii

Revised 3/20/2014

Appendix 1: Calculating Values...............................................................................................................................................27

Appendix 2: Gas Measurement Range....................................................................................................................................28

Appendix 3: Gas Flash Point Temperatures.............................................................................................................................29

Appendix 4: SGOES Terminal Block & Wiring for 3-wire and 4-wire Systems...........................................................................30

Appendix 5: Maximum Cable Lengths for Analog Connection (using 24VDC Supply) ...............................................................31

Appendix 6: HART Menu Tree.................................................................................................................................................32

Appendix 7: SGOES to Vector FCU ..........................................................................................................................................33

Appendix 8: SGOES to UPES....................................................................................................................................................34

Appendix 9: SGOES to Analog Input Module...........................................................................................................................35

It is important that this entire manual be thoroughly read and

understood prior to installing or operating the SGOES. Any

deviation from this manual may impair system performance and

compromise safety.

SGOES Infrared Combustible Gas Detector

820-0006 Operating Manual

Page 4

1.0 Introduction

Product Overview

The SGOES is a combustible gas detector that measures the concentration of

hydrocarbon gases present in the monitored environment. The SGOES is configured to

report alarms when the gas concentrations in the environment reach two independently

programmable levels, expressed as a percentage of the lower explosive limit (LEL) in air.

As determined by application requirements, the SGOES is factory calibrated with one of

eight hydrocarbon-based gases (typically methane or propane). Conversion factors are

used to correct for gases other than the factory calibration gas.

Moreover, SGOES is not sensitive to inadvertent detection of gases, such as nitrogen,

oxygen, carbonic acid, ammonia, and hydrogen sulfide. This makes the SGOES an

excellent choice for environments where non-hydrocarbon gases are present and precise

monitoring of combustible hydrocarbons like methane and propane is required.

Key Features

•Fast response time (T90 ≤ 5sec @ 100% LEL methane)

•Broadest operating temperature of detectors in its class (-60⁰C to 125⁰C / -

76⁰F to 257⁰F w optional Extended Temperature package)

•No significant zero drift

•High-performance weather protective cover eliminates water ingress of the

gas detection chamber, a common cause of false alarms with most IR detectors

•Simple, non-intrusive zero and span calibration

•Can be used in conjunction with ESPs SSS-903 or VECTOR Field Control Units to

provide local display of gas readings, alarm levels and device status.

ESP Safety, Inc. Contact

Information

Contact ESP Safety for application assistance or order placement.

ESP Safety, Inc.

555 North First Street

San Jose, CA 95112

USA

Telephone: 408-886-9746

FAX: 408-886-9757

website: www.espsafetyinc.com

email: [email protected]

Our Mission

ESP Safety, Inc.’s mission is to provide complete turn-key protection solutions beginning

with the design stage, through system installation and commissioning, and on-going field

service in hazardous environments. Our line of industry-leading products, services, and

systems benefits society, saves lives, and preserves capital resources.

SGOES Infrared Combustible Gas Detector

820-0006 Operating Manual

Page 5

Principles of Operation

Operation is based on selective signal disruption by hydrocarbon molecules. An infrared

light source is reflected to a set of optical detectors that simultaneously monitors the

infrared power at multiple wavelengths of the infrared spectrum. If no gas is present, the

photodetectors will receive all of the power radiated by the IR source. When gas

molecules enter the collection chamber the gas selectively absorbs infrared energy at

wavelengths specific to the gas. As a result the detector monitoring the wavelength

specific to the gas records a drop in infrared signal, and the signal from the detector

monitoring a wavelength unaffected by the gas does not change. The ratio of the

photodetector signals, when properly calibrated, provides a quantitative measurement

of the target gas concentration.

Figure 1-1: Hydrocarbon Gas Detection

SGOES Infrared Combustible Gas Detector

820-0006 Operating Manual

Page 6

SGOES Components

A. Explosion proof housing

B. Conduit entry for Field Wiring (3/4” NPT), x2

C. Tri-color LED Status Indicator

D. HART communication port (3/4” NPT), x1

E. Gas detection chamber

F. Integral mounting lugs

G. Magnetic Calibration Point

Figure 1-2: SGOES Components

Figure 1-3: SGOES Dimensions

SGOES Infrared Combustible Gas Detector

820-0006 Operating Manual

Page 7

2.0 Specifications and Technical Data

Mechanical Characteristics

Material

Stainless Steel (Type 316)

Conduit Connection

¾” NPT

2 connections for Field Wiring

1 connection for HART/USB

Dimensions

8.01” x 5.30” x 5.12”(203.5mm x 134.50mm x 130mm)

Weight (no sensors)

14.33lb (6.5 kg)

Optics Protection

Weatherproof Cover

Electrical Characteristics

Input Voltage

+24VDC Nominal (+18 to 32VDC)

Power Consumption

7.9W Maximum

Output From SGOES

+4-20mA industry standard analog with embedded HART

Digital RS-485 MODBUS RTU

HART interface with easy access dedicated connector

3 “Dry Contact” relays. Fault relay (NC/Form-B), alarm level 1 (NO/Form-A), alarm level 2

(NO/Form-A).

All Relays Contact Rating 1Amp@125VAC/30VDC

Alarm Relays

2 User Programmed Alarm Relays (factory default setting: NO)

1 Fault Condition Programmed Relay (factory default setting: NC)

Operational Characteristics

Gases detected

Methane, Propane, Butane, Pentane, Hexane,

Isobutane, Cyclopentane, Ethanol.

(The target gas is factory configured according to customer request.)

Gas Detection Range

0-100% LEL

Accuracy

± 2% of the full-scale gas concentration

Response Time

(for 100% LEL methane)

50% full scale < 1.9 seconds

90% full scale < 5.0 seconds

Humidity Range

Up to 95% RH, non-condensing

(Withstands up to 100% RH for short periods)

Warm-up time

10 minutes

Operating Temperature

-40oF to + 167oF (-40oC to +75oC), Extended Range -76oF to + 257oF (-60oC to +125oC)

Ingress Protection

IP66

RFI/EMI Protection

EN50081-1 / Class B E> 50270

*Operates with no interference from a 5 watt walkie-talkie keyed (transmitting) at 1 meter

Status Indication

Tri-color status LED indicates operational mode, fault, and gas presence.

Displayed information when

used w/ Field Control Unit

(SSS-903 or Vector)

Continuous sensor data

Gas Type

Measuring Units

Three Fixed Alarm Thresholds

Graphic display of trending data for Peak Readings and Time-Weighted Average (TWA) of

gas concentration 3-30 minutes

SGOES Infrared Combustible Gas Detector

820-0006 Operating Manual

Page 8

Ordering Guide

For simplicity of ordering, the SGOES is factory configured for detection specific gases. For gases not included in the

table below, please contact ESP Safety.

Scale Range

SGOES Model to

Order

Detected

Hydrocarbon

%LEL

%vol IEC6007920-

2000/BSEN617791:200

%vol ISO 10156

100-0001-M11-C1

Methane

0 to 100

0 to 4.4

0 to 5.0

100-0001-M11-C2

Propane

0 to 100

0 to 1.7

0 to 2.1

100-0001-05

Butane

0 to 50

0 to 0.7

0 to 0.9

100-0001-07

Isobutane

0 to 50

0 to 0.65

0 to 0.9

100-0001-09

Pentane

0 to 50

0 to 0.7

0 to 0.75

100-0001-11

Cyclopentane

0 to 50

0 to 0.7

0 to 0.75

100-0001-13

Hexane

0 to 50

0 to 0.5

0 to 0.55

100-0001-15

Propylene/Propene

0 to 50

0 to 0.1

0 to 1.5

100-0001-17

Methanol Vapor

0 to 50

0 to 2.75

0 to 3.65

100-0001-19

Ethanol Vapor

0 to 25

0 to 50

0 to 0.78

0 to 1.55

0 to 1.08

0 to 2.15

SGOES Infrared Combustible Gas Detector

820-0006 Operating Manual

Page 9

Certifications and Compliance

Explosion-proof for Class 1, Div.1, Group B, C, D (T4) Hazardous (classified) locations per FM 3615,

6310

Dust ignition-proof for Class II, Div.1, Group E, F, G Hazardous (classified) locations per FM 3615,

6310

Non-incendiary for Class 1, Div.2, Group A, B, C, D (T4), Class 2, Div.2, Group E, F, G (T4) Hazardous

(classified) locations per FM 3611

Performance verified up to 100% LEL methane-in-air atmosphere per FM 6320

Explosion-proof for Class 1, Div.1, Group B, C, D (T4) Hazardous (classified) locations per CSA C

22.2 # 30 and Ex d IIC T4 per CSA E 60079-0-1

Dust ignition-proof for Class II, Div.1, Group E, F, G Hazardous (classified) locations per CSA C 22.2

# 25

Non-incendiary for Class 1, Div.2, Group A, B, C, D (T4), Class 2, Div.2, Group E, F, G (T4) Hazardous

(classified) locations per CSA C 22.2 # 213

Performance verified up to 100% LEL methane-in-air atmosphere per CSA C 22.2 # 152

CE 0539 II 2 G

Ex d[ia] IIC T4 (Tamb 75°C)

IP 66

Ex d [ia] IIC T4

(Tamb 75°C)

IP 66

1 Ex d [ia] IIC T4 X T= -60°C....75°C

IP 66

EN Standards

EN 60079-0: 2006

EN 60079-1: 2007

EN 61779-1: 2000

EN 60529: 1991+A1: 2000

EN 50270: 2006.

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