Electronic Sensor Technology, Inc. Receives order from Macrochem Group, the largest trading corporation in Ukraine.

Monday November 6, 9:30 ET

NEWBURY PARK, Calif.--(BUSINESS WIRE)—Nov. 6, 2006--Electronic Sensor Technology (EST) (OTCBB: ESNR.OB), a leading provider of instruments for Security and Environmental applications, has received an order for a zNoseâ to be used to expand The Macchrochem Group’s capabilities into the Russian Security market. The Machrochem Group represents some of the largest companies in the world such as Dow Chemical, BASF, Merck KGaA, etc. The company’s markets extend from Germany, Ukraine and Russia. EST has already trained some the Machrochem’s best technical salesmen to represent EST’s interests in the Securities markets.

"We are very excited with this order from the Machrochem Group, the largest trading group in the Ukraine. I believe that the capabilities offered by the zNose® instruments in the Security market can provide Machrochem Group with a valuable tool in this vibrant market” said Dr. Teong Lim, President and CEO of EST.

More information on the use of the zNose® for enhancing Security can be obtained by clicking the following link:

http://www.estcal.com/TechPapers/Security/Odors_of _Explosives2.pdf.

About Electronic Sensor Technology:

Founded in 1995, Electronic Sensor Technology has developed and patented a chemical vapor analysis process. We believe that the Company's product line is positioned to eliminate key vulnerabilities in the homeland security market, specifically in maritime port, airport and border security applications.

SEC Filings and Forward-Looking Statements

This press release includes forward-looking statements, including the Company's expectations regarding its ability to develop and access capital markets and its ability to achieve expected results in the chemical detection and analysis industry. The forward-looking statements are identified through use of the words "potential," "anticipate," "expect," "planned" and other words of similar meaning. These forward-looking statements may be affected by the risks and uncertainties inherent in the chemical detection and analysis industry and in the Company's business. The Company cautions readers that certain important factors may have affected and could in the future affect the Company's beliefs and expectations, and could cause the actual results to differ materially from those expressed in any forward-looking statement made by or on behalf of the Company. For a discussion of these factors, please refer to our recent filings with the Securities and Exchange Commission, including our most recent report on Form 10-KSB. The Company undertakes no obligation to update forward-looking statements to reflect events or circumstances after the date hereof.

For Further Information:
Contact:

Electronic Sensor Technology
Frank Zuhde, 805-480-1994, ext. 135
or
Aurelius Consulting Group, Inc.
Jon Cunningham, 407-644-4256, ext. 107