Figure 3: Detector Assembly Breakaway; Figure 4: Olct 700 Assembly Front View - Teledyne 700 IR Series Instruction Manual

700 IR Series
INFRARED GAS DETECTOR FOR COMBUSTIBLE AND CO
GASES
USER MANUAL
Housing Bottom
Assembly
Splash Guard
1) OLCT 700 IR Intelligent Transmitter Module (ITM). The ITM is a fully encapsulated
microprocessor-based package that accepts a plug-in field replaceable sensor. Circuit
functions include LED display, magnetic programming switches, a linear 4-20mA DC
output, and a Modbus™ RS-485 output. Magnetic program switches allow non-intrusive
operator interface.
2) Field Replaceable Plug-in Infra-Red Gas Sensor
3) Housing Bottom Assembly (contains the Housing Bottom, Flame Arrestor, Retaining Ring,
and rubber O-Rings)
4) Splash Guard.
NOTE: All metal components are constructed from electro-polished 316 Stainless Steel in order
to maximize corrosion resistance in harsh environments.
Program Switch #1
Splash Guard Adapter
Locking Set-Screw
4
Plug-in Replacable
Combustible
Hydrocarbon Sensor
Housing Bottom
O-Rings
Locking Set-Screw

Figure 3: Detector Assembly Breakaway

detcon inc.
OLDHAM
MODEL
IR-700
LEL-LIE-UEG
LEL Sensor

Figure 4: OLCT 700 Assembly Front View

2
Lens and LCD
Display
Intelligent Transmitter Module (ITM)
Magnetic
Micro-Processor controlled circuit
Programming
encapsulated in an explosion proof
Switches
housing.
LED Display
Program Switch #2
NP700IRIMEN
Revision E.0