2
Technical description
2.1
Features
•
Long range gas detection from 23 ft (7 m) up to 660 ft (201 m)
•
Detection of methane, ethylene, or propane gases
•
High sensitivity and fast response to hydrocarbon gases
•
Heated optics to improve performance in icing, condensation, and snow conditions
•
Continuous operation in extreme and harsh environmental conditions
•
Solar blind and immune to industrial environments
•
Withstands extreme vibration conditions
•
Standard 0-20 mA output
•
Maintenance call (3 mA)
•
HART
®
protocol: communication protocol
•
RS-485 output Modbus
®
-compatible for personal computer (PC) communication
network for a maximum of 247 systems
•
Simple one person installation, alignment, and calibration
•
ATEX, IECEx, and UK CA per:
Ex II 2(2) G D
Ex db eb ib [ib Gb] IIB + H
2
T4 Gb
Ex tb [ib Db] IIIC T135 °C Db
T
a
= -55 °C to 65 °C
•
TUV approved per SIL2 requirements.
•
FM / FMC approved per:
Class I Div. 1 Group B, C, and D
Class II/III Div. 1 Group E, F, and G
•
Functional tested by FM per EN60079-29-4 and approved per FM 6325.
•
Programmable configuration via the Field Communicator
•
Fast connections to intrinsically safe (I.S.) approved hand-held diagnostic/calibration
unit
•
Three-year warranty
Reference Manual
Technical description
00809-0100-4035
May 2022
Rosemount 935
9
Содержание Rosemount 935
Страница 1: ...Reference Manual 00809 0100 4035 Rev AH May 2022 Rosemount 935 Open Path Combustible Gas Detector ...
Страница 8: ...Product overview Reference Manual May 2022 00809 0100 4035 8 Emerson com Rosemount ...
Страница 16: ...Technical description Reference Manual May 2022 00809 0100 4035 16 Emerson com Rosemount ...
Страница 22: ...Operating modes Reference Manual May 2022 00809 0100 4035 22 Emerson com Rosemount ...
Страница 46: ...Operation Reference Manual May 2022 00809 0100 4035 46 Emerson com Rosemount ...
Страница 48: ...10 Do a functional check Maintenance Reference Manual May 2022 00809 0100 4035 48 Emerson com Rosemount ...
Страница 52: ...Troubleshooting Reference Manual May 2022 00809 0100 4035 52 Emerson com Rosemount ...
Страница 56: ...Ordering information Reference Manual May 2022 00809 0100 4035 56 Emerson com Rosemount ...
Страница 62: ...Specifications Reference Manual May 2022 00809 0100 4035 62 Emerson com Rosemount ...
Страница 70: ...Wiring configurations Reference Manual May 2022 00809 0100 4035 70 Emerson com Rosemount ...
Страница 74: ...Support Reference Manual May 2022 00809 0100 4035 74 Emerson com Rosemount ...