22
12.4
95-8616
APPENDIX D
OTHER APPROVALS
The following items, functions, and options describe various other approvals applicable to the GT3000.
SIL APPROVAL
IEC 61508
Certified SIL 2 Capable.
SIL Certification includes H
2
S and O
2
GTS models only. For specific information regarding SIL models, refer to the
GT3000 Safety Reference Manual, form 95-8685.
INMETRO (BRAZIL)
Explosion Proof Model
UL-BR 15.0752X
Ex db mb [ia Ga] IIC T4 Gb IP66
Tamb –40°C to +50°C (H
2
S)
Tamb –20°C to +50°C (other)
Specific Conditions of Use:
1. A GTS Toxic Gas Sensor Module, separately certified, shall be installed on to the GTX Transmitter to complete
the enclosure and the intrinsically safe circuit.
2. The GTX Toxic Gas Transmitter module shall be connected directly to a junction box or instrument suitable for
the area of installation to provide protection for the flying leads.
3. The GTX Toxic Gas Module shall be connected to a suitably rated UD10, UD20, STB or U9500 enclosure,
separately certified, supplied by the manufacturer and rated to maintain the type of protection specified on this
certification.
Intrinsically Safe Model
UL-BR 15.0404X
Ex ia IIC T4 Ga IP66
Tamb –40°C to +50°C
Ui = 30 V, Ii = 200 mA, Pi = 1.0 W, Ci = 0, Li = 0
Specific Conditions of Use:
1. The GT3000 Detector Head shall be connected directly to a junction box suitable for the area of installation to
provide protection for the flying leads.
2. The GTX Transmitter shall be installed with a GTS Toxic Sensor to form the GT3000 gas detector
DNV
Type Approval Certificate TAA000002D (O2);
TAA000002F (CO & H2S)
MED
Certificate MEDB000107 (O2)
RUSSIA / KAZAKHSTAN / INDIA
Contact Det-Tronics for details.