Critical Environment Technologies FCS 128, Operation Manual, Page: 13 / 84

© 2022 All rights reserved. Data subject to change without notice. 13
Rev. C | 2022.02 FCS - Operation Manual
3 LIST OF COMPATIBLE DEVICES
NOTE: The FCS does not have any internal gas sensors. It is strictly a controller that can
accept digital and analog inputs (ie. transmitters and other remote and/or peripheral
devices).
Analog and/or Digital
Transmitters
Output
Signal
Gases Sensor Type
ART Infrared Refrigerant
4-20 mA or
Modbus®
R134A, R404A, R407A,
R407C, R407F, R410A,
R427A, R448A, R449A,
R507, HF01233ZD, R422A,
R422D, R45sA, R513A,
HF01234YF, HF01234ZE,
R22, R32
Infrared
CGAS-A Analog 4-20 mA
CO
2
, NH
3
, CO, NO
2
, CLO
2
,
Cl
2
, C
3
H
4
, C
2
H
4
O, CH
2
, H
2
,
H
2
S, HCl, HCN, NO, O
2
, O
3
,
PH
3
, SIH
4
, SO
2
, CH
4
, C
3
H
8
,
TVOCs, Refrigerants
Infrared
CGAS-AP Public Spaces 4-20 mA
CO
2
, CO, CH
2
O,
Refrigerants, C
3
H
8
, TVOCs,
Particulates
Various - Infrared,
Solid State,
Catalytic, PID
CGAS-D Digital Modbus®
CO
2
, NH
3
, CO, NO
2
, CLO
2
,
Cl
2
, C
3
H
4
, C
2
H
4
O, CH
2
, H
2
,
H
2
S, HCl, HCN, NO, O
2
, O
3
,
PH
3
, SIH
4
, SO
2
, CH
4
, C
3
H
8
,
TVOCs, Refrigerants
Various - Infrared,
Electrochemical,
Catalytic, Solid
State
CGAS-DP Public Spaces Modbus®
CO
2
, CO, CH
2
O,
Refrigerants, C
3
H
8
, TVOCs,
Particulates
Various - Infrared,
Solid State,
Catalytic, PID
CXT Explosion Proof
4-20 mA or
Modbus®
NH
3
, CO, CO
2
, H
2
, H
2
S, NO
2
,
O
2
, PH
3
, SO
2
, CH
4
, C
3
H
8
,
C
5
H
12
Electrochemical,
Infrared, Catalytic
CXT2 Explosion Proof
4-20 mA or
Modbus®
NH
3
, CO, CO
2
, H
2
, H
2
S, NO
2
,
O
2
, PH
3
, SO
2
, CH
4
, C
3
H
8
,
C
5
H
12
Electrochemical,
Infrared, Catalytic
LPT Low Power 4-20 mA NH
3
, CO, NO
2
, Cl
2
, O
2
, O
3
Electrochemical
LPT-A Analog 4-20 mA
NH
3
, CO, NO
2
, CLO
2
, Cl
2
,
C
3
H
4
, C
2
H
4
O, CH
2
, H
2
, H
2
S,
HCl, HCN, NO, O
2
, O
3
,
PH
3
, SIH
4
, SO
2
, CH
4
, C
3
H
8
,
TVOCs, Refrigerants
Electrochemical,
Solid State,
Catalytic