Specifications
7
REF.
No. DESCRIPTION OFSA REF MATERIAL
1 1 CEX / CTX300 BRACE 6132380 INOX
2 4 CHC LI2 SCREW 6902218 INOX
3 4 A25 ACCD WASHER 6905518 .
2. ELECTRICAL CONNECTIONS
2.1. Wiring specifications
If needed: consult the grounding instructions for INDUSTRIAL SCIENTIFIC instruments and
related connection materials in Annex 1.
2.2. Cable glands and cable types
Sensor types Cable gland type Cable entry
CTX 300 (TOX and OX)
CTX 300 SC
CTX 300 CO
2
Nickel-plated brass
Neoprene
Between 6–11 mm
CEX 300 with shielded cable
Nickel-plated brass
Between 6–11 mm
CEX 300 with armored cable
5
Double compression nickel-
plated brass
Between 8.5–16 mm
2.3. Connections for the various types of sensors
CEX 300
CTX 300 (TOX
and OX)
CTX 300 (TOX
and OX)
without display
CTX 300
SC and
CO
2
without
display
Output
signal
voltage 4-20 mA 4-20 mA 4-20 mA
Number of
wires
3 wires 3 wires 2 wires 3 wires
Max.
impedance
(Z) of the line
Refer to the characteristics for the central controller
The CEX 300 sensor only connects to INDUSTRIAL SCIENTIFIC
central controllers
5
Here, the CEX 300 case is equipped with a grounding reclaim screw to connect the cable armor to the ground cable.










