Lel Sensor Types - Teledyne PS200 Series Operation & Maintenance Manual

A.2. LEL Sensor Types
There are several LEL sensor types available for the monitor. The following table shows the bene-
fits of each sensor and the combustible gases it will detect:
LEL Sensor
Standard
Detects most
Filtered
combustible gases
P/N: 66725
Enhanced Enhanced H2S &
Filtered Silicone poisoning resis-
P/N: 64825 tance
Low Power
Improved battery life
P/N: 66750
Improved battery life,
poison / silicone /
Infrared P/N: contamination resistant;
66761 Able to detect methane in
oxygen depleted
atmospheres
WARNING: ONLY THE STANDARD FILTERED AND THE ENHANCED FILTERED
SENSORS ARE INTERCHANGABLE.
A-2
Benefit
C1 - C8 Hydrocarbons
Includes but not limited to:
Methane, Ethane, Propane,
Butane, Pentane, Hexane,
Heptane, Octane &
Hydrogen
C1 - C6 Hydrocarbons
Includes but not limited to:
Methane, Ethane, Propane,
Butane, Pentane, Hexane &
Hydrogen
C1 - C5 Hydrocarbons
Includes but not limited to:
Methane, Ethane, Propane,
Butane, Pentane
Methane only;
Will not detect Hydrogen (H
OPERATING PARAMETERS & SENSOR TYPES
Gas Detected
IIC
A,B,C & D
IIC
A,B,C & D
IIB
C & D
IIC
ATEX/IECEx
)
2
only
PORTABLE GAS MONITOR
Certification
Division/Zone
Gas Group
Class I, Div 1,2
Zones 1,2
Class I, Div 1,2
Zones 1,2
Class I, Div 1,2
Zones 0,1,2
Zone 1
ATEX/IECEx
only
64171, Rev. 11/December 2019
PS200