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OLCT 700 & 710 Fixed Gas Detection
Brand: Oldham
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, multilayered 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 mA Analog signal and a Modbus RS-485 serial output.
Features- 316 stainless steel construction
- IP66
- Multi-layer surge protection
- SIL 2 certified
- Environmentally bulletproof
Specifications
Brand
Accuracy
- ± 10 % of Reading or ± 2 ppm (Greater of) - Model OLCT 700 TP
- ± 3 % LEL (0 to 50 % LEL) - Model OLCT 700/710 FP & IR
- ± 5 % LEL (50 to 100 % Lower Explosive Limit (LEL)) - Model OLCT 700/710 FP & IR
- ± 5 % of Full Scale - Model OLCT 700 IR-CO₂
Approvals & Certifications
- SIL 2 IEC 61508 (Except CO₂), IEC 61511
- ATEX II 2 G, Ex d IIB + H₂ T4 Gb
- CE
- CSA 152 - Model OLCT 700 IR & FP
- Ex
Communication
- Output: RS-485 Modbus RTU
Consumption
- Power: < 2 W Typical
Display
- Scrolling Alphanumeric LED Display
Electrical Connectors
- Junction Box - Model OLCT 710
Enclosure, Body Material
- 316 Stainless Steel
Environmental Protection
- IP66
Humidity
- Operating (Continuous): 0 to 99 % Relative Humidity, Non-Condensing - Model OLCT 700 FP & IR
- Operating (Continuous): 15 to 100 % Relative Humidity, Non-Condensing - Model OLCT 700 TP
Input
- 11.5-28 Vdc
Measuring Range
- 0 to 100 ppm - Model OLCT 700/710 TP
- 0 to 100 % Lower Explosive Limit (LEL) - Model OLCT 700/710 IR & FP
- 0 to 20 ppm - Model OLCT 700/710 TP
- 0 to 200 ppm - Model OLCT 700/710 TP
- 0 to 5 % Volume - Model OLCT 700/710 IR
- 0 to 50 ppm - Model OLCT 700/710 TP
NPT Connection
- 3/4” NPT Male
Output
- Linear: 4-20 mA DC
Repeatability
- ± 10 % of Reading or ± 2 ppm (Greater of) - Model OLCT 700 TP
- ± 3 % LEL (0 to 50 % LEL) - Model OLCT 700/710 FP & IR
- ± 5 % LEL (50 to 100 % Lower Explosive Limit (LEL)) - Model OLCT 700/710 FP & IR
- ± 5 % of Full Scale - Model OLCT 700 IR-CO₂
Response Time
- < 30 seconds - Model OLCT 700/710 FP & IR-CH (T90), OLCT 700 TP (T50)
- 10 seconds with 1 LPM Flow Rate - Model OLCT 700/710 FP & IR-CH
- 6 seconds with 1 LPM Flow Rate - Model OLCT 700/710 FP & IR-CH
- T50 < 10 seconds - Model OLCT 700 / 710 FP & IR-CH
- T50 < 15 seconds - Model OLCT 700 IR-CO₂
- T80 < 60 seconds - Model OLCT 700 TP
- T90 < 40 seconds - Model OLCT 700 IR-CO₂
Temperature Range
- -40° to 75° C (-40° to 167° F)