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Teledyne Detcon OLCT 700 / 710 Fixed Gas Detection

SKU: OLCT-700-710
Manufacturer:
Detcon

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Model Series OLCT 700/710 industrial gas detection sensors are a new generation of intelligent sensor modules that incorporate and integrate several leading edge improvements.

The sensors are specifically designed for harsh and extreme locations. This new and superior level of environmental durability in sensor design includes an electropolished 316 stainless steel housing, multi-layered transient spike protection circuitry and 100% encapsulated electronics.

The sensor electronics are completely protected and immune to water ingress and corrosion. The gas detector sensor elements are all plug-in components and can easily be replaced in the field.

Operator interface is non-intrusive via a small handheld magnet. Configuration and routine calibration is intuitive and menu driven with fully scripted instructions. Sensor status is displayed on a built-in alphanumeric LED display. Model Series OLCT 700/710 intelligent sensor modules feature dual outputs, a linear 4-20 milliamp analog signal and a Modbus RS-485 serial output.

It is becoming increasingly important that safety systems meet the Safety Integrity Level (SIL) requirements of IEC 61508 and IEC 61511. The SIL rating can only be determined by considering the complete safety system.

FEATURES:

  • 316 SS Construction
  • IP 66
  • Multi-Layer Surge Protection
  • SIL2 Certified
  • Environmentally Bulletproof

Series OLCT 700/710

The SERIES OLCT 700/710 sensor modules are designed with this in mind and feature a new and unmatched level of pre-emptive fault diagnostics. Application variables like input voltage range, operating temperature range, maintenance schedule, detector reliability and output integrity are all monitored and reported via the 4-20 mA and RS-485 serial output. As a component of a SIL rated system, the Safe Failure Fraction (SFF) of SERIES OLCT 700/710 sensors are designed to meet the requirements for any SIL 2 rated system.

SERIES OLCT 700’s sensors utilize distinctive gas detection technologies to satisfy a wide range of industrial applications that require monitoring of, toxic and flammable gases.

Sensors for Hydrogen Sulfide

CHEMFET MOS Solid State Technology CHEMFET MOS Solid State Technology
Harsh and Extreme Locations
Wide Temperature & Humidity Range
5-year Sensor Warranty


Sensors for Combustible Gas

Catalytic Technology Catalytic Technology
Non-selective Combustible Gas Sensor
2-year Sensor Warranty
Rugged Construction
Infrared Technology Infrared Technology
Combustible Hydrocarbon Gas Sensor
2-year Sensor Warranty


Sensors for Carbon Dioxide

Sensors for Carbon Dioxide Infrared Technology
Selective CO2 Gas Sensor
2-year Sensor Warranty


Scrolling Full Message/Text Display


ANATOMY of the OLCT 700/710

ANATOMY of the OLCT 700 710

SPECIFICATIONS:

Combustible Hydrocarbon & Carbon Dioxide Gas Detectors

Model OLCT 700/710 IR
Gas Combustible Hydrocarbons or CO2
Range 0-100 % LEL* or 0-5% vol.* CO2
Temperature -40°C to +75°C
Warranty 2 years on electronics,
2 years on sensor
*Standard Range


Hydrogen Sulfide Gas Detector (solid state metal oxide semiconductor)

Model OLCT 700/710 TP
Gas / Symbol Hydrogen Sulfide/H2S
Range 0-20 ppm, 0-50 ppm,
0-100 ppm*, 0-200 ppm
Temperature -40°C to +75°C
Warranty 2 years on electronics,
5 years on sensor


Combustible Gas Detector (matched pair catalytic bead)

Model OLCT 700/710 FP
Gas / Symbol Combustible Gas
Range 0-100 % LEL
Temperature -40°C to +75°C
Warranty 2 years on electronics,
2 years on sensor

 

OLCT 700 OLCT 710
Input Voltage 11.5 – 28 VDC standard
Power Consumption < 2 watts typical
Outputs Linear 4-20 mA DC
RS – 485 ModbusTM RTU
Dimensions 178mm (7″) Height x 65mm
(2.2″) Ø
349mm (13.74″) Height x
127 mm (5″) Width x 130 mm
(5.12″) Depth
Weight 1.14 kg (2.5 lbs) Aluminun 3,36 kg (7.40 lbs)
Stainless steel version 7.44 kg
(16.40 lbs)
Approvals ATEX II 2G
Ex d IIB+H2 T4 Gb
Functional Safety SIL2 as per IEC 61508 (except CO2)
Performance Approvals OLCT 700 IR, OLCT 700 FP to ISA 12.13, CSA #152
Accuracy / Repeatability OLCT 700/710 FP and IR:
±3% LEL 0-50% LEL; ±5% LEL 50-100% LEL
OLCT 700 TP:
±10% of reading or ±2 ppm (greater of)
OLCT 700 IR-CO2
: ±5% full scale
Response / Clearing Time OLCT 700/710 FP and IR-CH:
T50 <10 s; T90 <30s (respectively 6s and
10s as tested with 1 LPM flow rate)
OLCT 700 TP: T50 <30 s; T80 <60 s
OLCT 700 IR-CO2
: T50 <15 s; T90 <40 s
Operating Humidity Range (Continuous) OLCT 700 FP: 0-99% RH non-condensing
OLCT 700 TP: 15-100% RH non-condensing
OLCT 700 IR: 0-99% RH non-condensing

 

Product Data Sheet

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