Det-Tronics PIRECL Infrared Hydrocarbon Gas Detector PointWatch Eclipse SAFETY MANUAL - Manual (Page 6)

5.1 95-8630 6
ProDUCT rEPAir
The PIRECL is not field repairable, and any internal
device repairs must be conducted at the factory. No
firmware changes are permitted or authorized. All
failures detected by the transmitter diagnostics or by
the Proof Test that cannot be resolved through the
procedures described in the FAULT/FAILURE ACTION
PLAN section must be reported to the manufacturer.
oPErATiNG, ENViroNMENTAL, AND
PErForMANCE SPECiFiCATioNS
The operating temperature range for the Safety
Certified PIRECL is –55°C to +75°C for the analog
output and –40°C to +75°C for the relay outputs. Other
environmental operating specifications are applicable
as published in the general specifications section in
the PIRECL instruction manual. The Safety-Certified
PIRECL product versions fully comply with, and
must be operated in accordance with the functional,
environmental, and performance specifications
provided in the PIRECL instruction manual. A 24 hour
mean time to repair should be assumed for safety
availability calculations.
SPArE PArTS
Refer to “Ordering Information” in the PIRECL instruction
manual. Safety Certification is based on a sufficient
number of spares to achieve a 24 hour mean time to
repair.
CErTiFiCATioN AND FAiLUrE rATE DATA
All Safety-Certified PIRECL models are certified
compliant to:
IEC61508: 2010
Type B Element
Systematic Capability: SIL 2 certified
HFT: 0
Low Demand Mode
PFDavg should be calculated for any safety
instrumented function using the PIRECL. (Refer to
FMEDA report for necessary information, including DU
rate.)
Safety accuracy:
±10% of applied gas
concentration
Safety Response Time: Refer to the PIRECL
instruction manual for details.
Product Life: 20 years, based on
manufacturer data.
All failure rate data for SIL verification is in the FMEDA
report, which is available upon request.
ADDiTioNAL CErTiFiCATioNS
FM, CSA, ATEX, CE, and others.
Refer to the PIRECL Instruction Manual for details.
For complete information regarding performance,
installation, operation, maintenance and specifications
of PIRECL, refer to instruction manual 95-8526.