BARTON Chart Recorders Models 202E, 202N, 242E and J8A Cameron’s BARTON® chart recorders are the industry standard for accurate, reliable measurement and recording of pressure, differential pressure and temperature in a variety of applications. Differential pressure models, like the 202E and 202N, utilize the BARTON rupture-proof bellows DPU as the actuating unit, featuring over-range protection and pulsation dampening. Common Components • Thermal Systems – The systems consist • Case – The case is made of rugged, of a bourdon tube, a capillary with lightweight die-cast aluminum that stainless steel armor and a bulb with a features a built-in rainshield. It is finished bendable extension. All parts are stainless in polyurethane electrostatic powder paint steel. Systems are available in Class I liquid that has a high resistance to weathering, fill with a 3/8” OD bulb. Temperature scratches, and industrial fumes. An ranges for each design are listed below. aircraft-type door hinge (made of 302 SST) A thermal system must have a span of provides excellent resistance to salt spray • Pressure Elements – Used in Models more than 50° F (27° C) and the high and H2S. The seal between the door and 202E, 242E, and J8A, genuine BARTON temperature limit must be greater than the case is made of neoprene, a material pressure elements are a precision wound 95° F (35° C). that is non-absorbant and resistant to oils helical-type, available in a variety of ○○ Class IB ( liquid environmental fill – and most solvents. pressure ranges from 0 to 25 psi (1.72 case compensated) 14° F to 300° F • Chart Drive – Chart drives are available in bar), up to 0 to 30,000 psi (2068 bar). (-20° C to 150° C) battery and spring-wound versions with a The Model 202N uses a Monel K500 ○○ lass IA (liquid hydrocarbon, fully C wide variety of rotation speeds. All chart pressure element in ranges from 0 to compensated) – temperature range drives have a simple, positive chart lock 250 psi (17 bar), up to 0 to 6000 psi varies with fill material hub and are interchangeable. (414 bar). Connections available in 1/4” • thyl-benzene: -125° F to 350° F E • NUFLO™ Charts – The charts are made NPT for ranges up to 10,000 psi (689 bar). (-87° C to 177° C) from wood-free paper – a special, Ranges greater than 10,000 psi (689 bar) • onsult factory for other fill C low-shrinkage, high quality product utilize an Aminco 9/16–18 (1/4” ODT) materials and ranges that eliminates eccentric and elliptical female connection. errors. Charts are shrink-wrapped to help ○○ lass IB (liquid hydrocarbon, case C ○○ Uncertainty ± 1.0% of Full Scale maintain the factory default size until the compensated) – temperature range package is opened by the user. Once a box varies with fill material of charts is opened, it can be stored in the • thyl-benzene: -125° F to 350° F E supplied, plastic, resealable storage bag. (-87° C to 177° C) • Recording Mechanism – All parts are • onsult factory for other fill C stainless steel for long life. The pen mount materials and ranges is exceptionally rugged and pen shafts are ○○ Uncertainty ± 1.0% of Full Scale fitted with ball pivots to minimize friction. ○○ Hardware Capillary standard length is All links are adjustable, with micrometer 10’. Case compensated available up to adjustments for accurate calibration. All 20’. Lengths longer than 20’ feet must adjustments

The 202E is a 12” chart recorder, widely used in gas transmission The 202N is a 12” chart recorder designed to measure flow, static and in production fields because of its high accuracy recording pressure and temperature in sour gas applications. The 202N mechanism, even under extreme variations in flowing pressure and meets all NACE requirements for H2S environments, per MR-01-75 ambient temperatures. The 202E is available in 1 to 4 pen configurations (DP+ 3 additional Static pressure is measured by precision wound helical elements, pens). The additional pens can be used to record temperature...

Model 242E (Temperature/Pressure) The 242E is a 12” chart recorder with pressure and/or temperature elements. Configurations can be any combination of pressure and temperature elements, up to 4 pens. Specifications Pressure Element Range Minimum span of 0-25 PSIG (0-1.72 bar) Maximum span of 0-30,000 PSIG (0-2068 bar) Uncertainty Ambient Temperature Limits Model J8A (Temperature/Pressure) The J8A is a compact 8” chart recorder designed to record pressure and/or temperature. Available as a single or dual pen unit, it can use any combination of pressure measuring helical elements or temperature...

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