Optronics PG11 - Technical Specifications

1.1 Technical Specifications
Detection
technology
Gas Detection by Dual band Optical absorption in target gases.
Solid-state Infrared SafeSource™ . Temperature compensated Optical Gas detection for rugged
applications
Gases and
maximum
measuring range
Detector configured from factory for one of the following gases with 100 %vol as maximum range:
● Methane
● Propane
● Ethylene
● Butane
● CO2
● Biogas (mixture of CH4 in CO2)
Ambient
conditions
Temperature
Humidity
Vibration
Severe vibration conditions
Storage: -60 to +85°C / -76 to +185°F
Operating: -40 to +75°C / -40 to +167°F (Desert)
-40 to +65°C / -40 to +149°F (Standard)
-55 to +65°C / -76 to +149°F (Arctic)
0 - 99 %RH
Resistant to shock and vibration.
Tested for mounting on applications such as diesel engines and
compressors (vibrations up to 4G).
Electrical
Cable entry
M20 (standard), M25, 1/2" NPT or 3/4" NPT
Maximum conductor size
2.5 mm² (Stranded), 4 mm² (Solid)
Supply voltage
24 V DC, range 18-50 VDC
Power consumption
< 3 W average (standard configuration)
< 5 W average (arctic configuration)
Start-up current
Soft boot-up to keep rush current less than 1 A
Performance key
characteristics
Accuracy
± 3 %FS*
Repeatability
± 1% FS*
Response time
T90 ≤ 2 sec, with Environment Shield
T20 ≤ 0.5 sec, with Environment Shield
Start-up time
Ambient above -20°C
Ambient below -20°C
< 2 minutes,
< 20 minutes
Calibration
Calibrated at the factory, no field calibration shall be done.
Signal outputs
Analog output
Current source or sink 4 - 20 mA
HART® digital communication
RS-485 serial port
Modbus RTU for OptoCom™ modules, Safety protocols or Condition
monitoring.
Status indicator light
Multicolor indicator light in front of detector.
Miswiring
protection
The electronics have been designed to withstand powering up the detector with terminal wires
accidentally being swapped.
Self-test
Continuous self-verification of all important functions.
Housing
Housing material
Stainless steel 316
Weight
3.4 kg (3.9 kg with the optional steel rear lid)
Ingress Protection
IP66 and IP67
Approvals
ATEX / IECEx
Ex db eb ib IIC T5 Gb
North America
Class I, Division 1, Groups B, C and D (Pending)
Various
MED, BV, LR, DnV GL, ABS type approvals
Safety Integrity
SIL2, and SIL3 in 1oo2 redundancy setup (Pending)
* The accuracy is specified for room temperature +25°C.
Document 022-80036-OM Revision R03 Page 6 of 48