OLCT 700/710 TP
Page 2 of 45
Rev. C.1
OLCT 700/710 TP Instruction Manual
1.2
Modular Mechanical Design
The OLCT 700 TP Detector Assembly is completely modular and is made up of four parts (See Figure
below):
O-Rings
Splash Guard
Adapter
Plug-in Replaceable
H2S Sensor
Lens and LED
Display
Interconnect
Wires
Housing Bottom
Locking Set-Screw
Intelligent Transmitter Module (ITM)
Micro-processor controlled circuit
encapsulated in an Explosion proof
housing.
Magnetic
Programming
Switches
M
OD
E
L
TP-7
00
de
tco
n
in
c.
H
2
S Sen
so
r
SplashGuard
Figure 1:
Detector Assembly Breakaway
1)
Intelligent Transmitter Module (ITM). The Intelligent Transmitter Module (ITM) is a fully
encapsulated microprocessor-based package that accepts a plug-in field replaceable H
2
S 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 H
2
S Gas Sensor
3)
Housing Bottom Assembly (contains the Housing Bottom, Flame Arrestor, Retaining Ring, and
rubber O-Ring’s)
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
LED Display
Program Switch #2
MODEL
TP-700
detcon inc.
H
2
S Sensor
Splash Guard Adapter
Locking Set-Screw
Figure 2:
OLCT 700 Assembly Front View
OLDHAM
OLCT
700 TP
O
L
D
H
A
M
O
L
CT
700
TP
Housing Bottom
Assembly
Summary of Contents for 700 TP Series
Page 6: ...OLCT 700 710 TP vi OLCT 700 710 TP This page has been left blank intentionally...
Page 20: ...OLCT 700 710 TP Page 14 of 45 Rev C 1 OLCT 700 710 TP Instruction Manual...
Page 46: ...OLCT 700 710 TP Page 40 of 45 Rev C 1 OLCT 700 710 TP Instruction Manual...
Page 48: ...OLCT 700 710 TP Page 42 of 45 Rev C 1 OLCT 700 710 TP Instruction Manual...
