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ASTM D1655-MicroDist

Surpassing Expectations With a Real Distillation

State-of-the-Art Solution

For refining and midstream facilities who need the confidence of a reliable, real distillation, MicroDist is a process distillation analyzer capable of delivering boiling point, density, and cetane index in a single measurement.

Product Overview

ASTM D86, ASTM D7345, ISO 3405, D4814, D975, D1655, D7566

The PAC MicroDist online analyzer is designed to quickly and accurately determine the boiling range characteristics of various commercially available petroleum products, light and middle distillates, on process streams.

The easy-to-use MicroDist performs a complete distillation of the sample in less than 10 minutes. The results obtained correlate to the ASTM D86, ASTM D7345, ISO 3405 test methods and their analogs. Due to the fast and reliable measurements, the MicroDist enables precise and continuous adjustment of the process streams. An optional density meter enables continuous Cetane Index analysis.

The analytical engine described by ASTM D7345 is used in MicroDist and our OptiPMD laboratory analyzer, and is an approved method for D4814, D975, D1655 and D7566 fuel specifications.

Key Features

1

Excellent System Performance

2

Innovative Technology for High Availability

3

Robust and Reliable Process Control

4

Increase Profitability

Specs

General Info

Test Methods Standards: ASTM D86, ISO3405, IP123, Cetane Index in accordance to ASTM D4737 and ASTM D976 (procedure A & B); Cetane Index Application: Capability to measure density (API) and Cetane Index

Operation

Measurement Cycle Time: Less than 10 minutes; Measurement/Temperature Range: Full boiling point curve 20 – 425 ºC (68 – 797ºF); Repeatability: +/- 1.5°C (equal or better than ASTM D86); Accuracy: Distillation accuracy: better than D86, IP-123, ISO 3405 Density accuracy: +/-0.0005g/ml; Resolution: +/- 0.1°C

Sample Requirements

Consumption: <2L/hr (sample should be homogenous, single-phase with no water content); Return Pressure: Atmospheric to < 8 bar or 120 psig (1.4 bar or 20 psig less than supply) Sample flow rate 10-20 L/ hour (application dependent); Temperature Min. 15ºC below IBP without cooler – Max. 30 ºC above IBP, (application dependent) with cooler; Pressure 2 – 10 bars (30-145 psi)

Enclosure/Utilities

Dimensions Depth: 398 x Height: 925 x Width: 1000 mm (15.7 in. X 37.3 X 39.4 inches);
Weight 75 kg (165 lb.) ; 80 kg (176 lb) with optional density meter; Operating Temperature 5ºC to 40°C (41 to 104°F); Area Classification NEC Class 1 Division 2 Groups B, C & D, CSA or ATEX Certified , Ex II 2 G Ex db pxb IIC T4 Gb , Ex II 2 (2) G Ex db pxb [ib] IIC T4 Gb (density meter option); Power 115 VAC/6A max, 50/60Hz, 700W; 230 VAC/3A max, 50/60Hz, 700W; Cabinet Purge Gas Air Flow > 150 l/min (5.3 SCFM), pressure 4 – 10 bars (58 – 145psi) Inert Gas Nitrogen, inlet pressure 3-10bars (43 – 145psi), purity > 95% ; Installation Site Avoid direct sun light and provide rain-proof shelter for outdoor installation ; Flame Arrestors (2) IIA standard

Customer Connections

Analog Output Signal Isolated (4) 4-20mA outputs for selected distillation cut point values; Digital Input/Outputs 8 digital inputs, 8 digital outputs, user assignable, optional 4 additional outputs; Serial Input/Outputs Single RS232 or RS485 bi-directional, Modbus for full curve or Ethernet TCP/IP

Documentation

Title Description PDF
Brochure MicroDist Brochure Download
Brochure Maintenance Kit Download
Application Notes Measuring Distillation in Gasoline Blending Download
Press Article Alternative ASTM D86 = More Options Distillation Download
Poster Atmospheric Distillation of Fuel Blendings Download
Article ASTM D86 Options for Gasoline Distillation Download

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