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OLC20 Series
ISC/Oldham OLC20 Series User Manual
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7
A
B
C
D
Casing
E
E
x e
Cable gland
PG9
for
∅
6mm
to
∅
11 mm
cable
Shielded cable
L
ength
10 m
Remote detector
A
B
C
D
FIG 6
6
8
Table of Contents
Default Chapter
9
Table of Contents
9
Description of the OLC / OLCT20 Family
11
General
11
Main Characteristics of the Various Versions
12
Description of the OLCT40 / OLCT40D Family
13
General
13
Main Characteristics of the Various Versions
13
Mechanical Installation of the Various Versions
14
OLC20 and OLCT20
14
OLC20D and OLCT20D (Remote Version)
14
Olct 40
14
OLCT 40D (Remote Version)
14
Wiring of the Various Versions
14
Wire Versions
14
Wire Intrinsic Safety Versions
14
Maintenance
15
Detectors OLC20 and OLC20D
15
Calibration
15
Replacing a Cell Unit on OLC 20 or OLC 20 D
16
Transmitters OLCT20/20D and OLCT40/40D
16
Calibration
16
Calibration Specifications
18
Replacing a Cell Unit on OLCT 20/20D or OLCT 40/40 D
18
List of Spare Parts
19
Explosion-Proof Cell Units OLCT 20/20 D and OLCT40/40D
19
Intrinsic Safety Cell Units OLCT 20/20 D and OLCT40/40D
20
Explosion-Proof Cell Units OLC20 and OLC20D (Remote Cell)
21
List of Accessories for Detectors OLC20/20D and Transmitters OLCT20/20D, OLCT40/40D
22
TECHNICAL CHARACTERISTICS of OLC20 and OLC20D
23
Electric Power Supply
23
Miscellaneous
23
Technical Characteristics of OLCT20/20D and OLCT40/40D
24
Electric Power Supply
24
Output Signal
24
Miscellaneous
25
Special Specifications for Use in Potentially Explosive Atmospheres in Accordance with European Directive ATEX 94/9/EC
26
Specifications for Mechanical and Electrical Installation in Classified Areas
26
Explosion-Proof Detectors (D): OLC/OLCT 20 D and Enlarged Safety (E)
26
And Explosion-Proof (D) : OLC/OLCT40 D
26
Explosion-Proof Detector (D) Version HT High Temperature
26
Intrinsic Safety Detectors (I) OLCT20 I and OLCT40 I
27
Metrological Specifications for Explosive Gas and Oxygen Measurement Detectors
27
Technical Specifications and Special Instructions for Explosive Gas Detectors
28
Technical Specifications and Special Instructions for Oxygen Detectors
31
Markings
32
Explosion-Proof Safety Version : Olc20D and OLCT20 D
32
Explosion-Proof Safety Version: Olc20D High Temperature HT
32
Intrinsic Safety Version: OLCT20 I
32
Explosion-Proof and Enlarged Safety Version : OLC 40 D/Olct40D
33
Intrinsic Safety Version: OLCT40 I
33
Appendices
36
4
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ISC/Oldham OLC20 Series Specifications
General
Brand
ISC/Oldham
Model
OLC20 Series
Category
Security Sensors
Language
English
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