OLCT 700/710 TP
OLCT 700/710 TP Instruction Manual Rev. C.1 Page 35 of 45
7. Appendix
7.1 Specifications
Sensor Type: Continuous diffusion/adsorption type
CHEMFET Solid State MOS type
True plug-in replaceable type
Sensor Life: 5-10 years typical
Measuring Ranges: 0-20ppm, 0-50ppm, 0-100ppm
Accuracy/ Repeatability: ± 10% of reading or ± 2ppm (whichever is greater)
Response Time: T50 < 30 seconds, T80 < 60 seconds
Analog Output: Linear 4-20mA DC current (1000 ohms maximum loop load @ 24VDC)
0mA All Fault Diagnostics
2mA In-Calibration
4-20mA 0-100% full-scale
22mA Over-range condition
Serial Output: RS-485 Modbus™ RTU
9600 BPS (9600,N,8,1 Half Duplex)
Status Indicators: 4-digit LED Display with gas concentration
full-script menu prompts for AutoSpan,
Set-up Options, and Fault Reporting
Faults Monitored: Heater, Loop, Input Voltage, Sensor, Processor, Memory, Calibration
ATEX Marking: II 2 G Ex d IIB+H
2
T4 Gb
(Tamb=-40° to +75°C)
Ingress Protection: NEMA 4X, IP66
Safety Approvals: ATEX
CE Marking
SIL2 FMEDA Rating
Warranty: Sensor – 5 year
Transmitter – 2 years
Environmental Specifications
Operating Temperature: -40°F to +167°F; -40°C to +75°C
FM ISA 92.0.01 Certified from -40°C to +65°C for H
2
S
Storage Temperature: -31°F to +131°F; -35°C to +55°C
Operating Humidity: 5-100% RH (Non-condensing)
Operating Pressure Range: Atmospheric ± 10%
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