Oldham Simtronics

C5H12, Pentane 0.35% Vol. O2, Oxygen 19% Vol. N2 112L (112DA). Part number B104642 belongs to the Teledyne Gas and Flame Detection (Oldham) Calibration gases (Arras) product line. List price $255.00 USD per each. Supplied by PE Energy Industrial Supply, Houston, TX. Request a quote for volume pricing, lead time or help choosing the right configuration. Browse all Oldham Simtronics products on the PE Energy Oldham Simtronics brand page.

What is the Oldham Simtronics B105507?The Oldham Simtronics B105507 is: EX plug stopping ATEX/IECEx/FM, SS316, M20x150 for GD10P-Display-xx-ATEX. The GD10P and GD10PE are point gas detectors built on non dispersive infrared (NDIR) detection, using a solid state infrared source flashing at 32 Hz across a dual wavelength, dual path optical bench. Because detection is optical rather than chemical, the detector needs no oxygen to measure correctly and works in an inert gas atmosphere, cannot be poisoned by silicon vapours or hydrogen sulphide, is unaffected by gas velocity, and has no saturation effect, so it can read up to 100% volume. Calibration is factory set and no field recalibration is needed. The GD10PE is the version built for critical applications with large volumes of air at high velocity, where low gas concentrations must be caught quickly, such as HVAC and air generator intakes serving inhabited areas and gas turbine installations. The GD10P / GD10PE Point IR Gas Detectors group in the 2026 price book lists 157 orderable part numbers, and this one is the 316 stainless steel build, ordered against ATEX approval.What are the specifications of the GD10P / GD10PE Point IR Gas Detectors?Detection method: infrared absorption, dual wavelength, dual path, with a solid state 32 Hz flash IR sourceGases detected: hydrocarbon gases and carbon dioxide; the target gas and scale are fixed by the ordered part numberAccuracy: plus or minus 3% of full scale between 0 and 50% of reading, plus or minus 5% between 50 and 100%Lifetime stability: plus or minus 5% of full scale readingResponse time: T20 0.7 s, T50 1.7 s, T90 4.0 s (fast option: 0.2 s, 0.4 s, 1.0 s)Start-up 65 s typical; 30 minutes warm up to full specification performanceOutput: 4-20 mA current source as standard, current sink as an option, maximum load impedance 500 ohmContinuous self-test, with dirty optics warning at 55% signal attenuation and dirty optics fault at 70%Suitable for use in SIL 2 and SIL 3 systems, with CSA, IECEx, ATEX and INMETRO approvalsGD10PE variant only: detection range 0-20% LEL (0-1% Vol.) methane; the GD10P target gas and scale are fixed by the ordered part numberWhat should you check before ordering?Teledyne guarantees parts and workmanship for 5 years and the infrared sources for 15 years, which is the figure behind the claim of the longest combined detector and IR source warranty on the market. That warranty is void if parts of unspecified origin are fitted, so a spare bought outside the vendor chain can cost the remaining source cover. The practical consequence of the NDIR bench is maintenance cost rather than performance: no chemical reaction means no poisoning by silicon vapours or hydrogen sulphide, and factory calibration means the detector is not on a recalibration schedule the way a catalytic bead point is.How do the part numbers differ?In this part numbering the output stage is selected by one character: H is the 4-20 mA current source version and J is the current sink version. Every complete description in the 2026 price book follows that rule without exception across 107 rows.Where is it used?Typical service: Fixed point combustible gas monitoring in boiler rooms and process areas; Offshore and onshore petrochemical installations; Inert or oxygen-free atmospheres where catalytic sensors cannot measure; HVAC and air generator intakes serving inhabited areas (GD10PE); High temperature areas of gas turbine installations (GD10PE).How do I order or get a quote?PE Energy supplies the Oldham Simtronics B105507 on a quote basis: send the part number with your application details and we return pricing and lead time. Fixed gas and flame detection is quoted rather than listed because most references ship configured for target gas, range, approval scope and cable entry, and those choices are fixed at the part number. This part belongs to the same product line as the GD10P IR point gas detector already in our catalogue.