ESP Safety SGOES, Руководство по эксплуатации

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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. 3 0” 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 -40
o
F to + 167
o
F (-40
o
C to +75
o
C), Extended Range -76
o
F to + 257
o
F (-60
o
C to +125
o
C)
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