AMETEK PI - Model 682T-HP -Sulfur Analyzer

The sample is irradiated with high-energy x-rays, which are absorbed by the sulfur atoms. A detector on the opposite side of the flowcell measures the x-rays that get through and that signal intensity is inversely proportional to the sulfur concentration.

Having minimal, if any, sample conditioning and recovery requirements, the 682T-HP provides an ideal solution for on-line monitoring of sulfur in the hydrocarbon processing industry.

FAST AND RELIABLE
The 682T-HP provides continuous, reliable detection of sulfur at working process pressures. It can operate as a stand-alone analyzer or can be tied in to plantwide automation systems to provide real-time strategic measurements.

INTEGRATED PROCESSOR
Analyzer operation is regulated by an integrated processor that monitors instrument parameters such as process temperature, density and system diagnostics. It also provides a suite of alarms and a standard platform for communicating to a plantwide distribution control system (DCS).

PRECISE ANALYSIS
With its rugged, time-proven proportional counter detector and x-ray tube source, the 682T-HP gives superb analytical precision, with a sulfur limit of detection of 200 ppm. Rapid update rates are provided as frequently as once every five seconds.

The 682T-HP is the high-temperature, high-pressure solution for the continuous analysis of sulfur in viscous hydrocarbons – Find out more.

• Large flowcell diameter reduces interferences
• Fully integrated densitometer
• Automatic density compensation
• Touchscreen controls with password-protection

Process Conditions

• Normal Product: Crude oil, heavy hydrocarbons, bunker fuels
• Sulfur Concentration: 0.02 - 6%
• Pressure at flowcell: Up to 800 psi *
• Flow rate at cell: Up to 200 liters/ minute
• Temperature: 662ºF/350ºC *
• Density Gauge: Required (supplied by AMETEK or the customer)
• Ambient Temperatures: Minimum 15ºC, maximum 40ºC *

* Contact an AMETEK Representative for Special Requirements

Enclosures

• Standard: Stainless steel, NEMA 4X (IP-65), NEMA 7 Ex d
• Dimensions: Controller 36x30x12 inch minimum
• Purge: Type X for Class I, Division I, Groups A - D area classification, (ATEX Category 2) or Type Z for Class I, Division 2. Groups A - D area classification, (ATEX Category 3)
• Optional: Heating and Air Conditioning System
• Power: 115 or 230 VAC ± 10%, 50x60 Hertz, 80 W typical, 300 W max

Controller

• Interface
• Class 1 DIV 2: External Touch Screen Interface, Power Switch, Valve Control Switch, Remote/ Local Control Switch, Capture Enable
• Class 1 DIV 1: Internal Touch Screen Interface, Power Switch, Valve Control Switch, Auto Start/Stop Switch, Capture Enable
• Standard Outputs: 4-20 mA for sulfur and density, dry contact for common alarm, enclosure safety alarm, data valid, in bounds signal, RS-485 serial data
• Optional Outputs: Profibus, Modbus, Ethernet
• Standard Inputs: Densitometer input, dry contact for analyzer stop/start, mode switching

Measurement Flowcell

• Technique: X-ray Transmission (XRT)
• Analysis Time: Nominally 100 seconds
• Typical One Sigma Precision: ±50 ppm @ 0.1 Wt% sulfur
• ± 30 ppm @ 3.2 Wt% sulfur (consult AMETEK for application)
• X-ray Source: X-ray tube
• X-ray Detector: High resolution gas filled proportional counter Leak Detection: Capacitive leak sensor

• 682T-HP ATEX Zone 2 Hazardous location certificate
• 682T-HP ATEX Zone 1 Hazardous location certificate
• 682T-HP IECEx Zone 2 Hazardous location certificate