Technologies LLC

A diesel opacity emissions meter manufacturer

Beryl BT 4000 SAE J1667 Wireless Smoke Opacity Meter

Brand-New

BT 4000 Wireless Opacity Meter

Test Smarter, Not Harder — with the BT 4000 Wireless Opacity Meter.

The Fastest, Easiest Way to Test and Submit Results to CTC-VIS ARB Portal.

EC Check to ARB Portal—Opacity Test, ARB Signed Submission, and Customer Email Receipt

All typically completed in under 10 minutes.

Built for Accuracy. Designed for Speed.

Beryl BT 2000 Wireless Smoke Opacity Meter

Meets or Exceeds all SAE J1667 Specifications

Meets all New California ARB's Requirements

No False Pass/Fail Meter Readings

with the BT2000

Simple to Set Max Opacity to 5%, 20% 30% or 40%

Video of BT2000 Complete Smoke Opacity Test

From Data Entry to Test Printout

Done in 3 1/2 minutes with one Operator

Wireless SAE J1667 Smoke Opacity Meter Products for CTC

Item	Sensor	Network	Part #	Unit Price	Stock*
BT 4000 8 inch 5G Tablet	Wireless 4.1	5G Unlocked + to ARB Website	P188GX	Click for Quote	Shipping Waitlist
BT 4000 8 inch Tablet	Wireless 4.1	WiFi to ARB Website	P188WX	Click for Quote	Shipping Waitlist
BT 4000 10 inch 5G Tablet	Wireless 4.1	5G Unlocked + to ARB Website	P18AGX	Click for Quote	Shipping Waitlist
BT 4000 10 inch Tablet	Wireless 4.1	WiFi to ARB Website	P18AWX	Click for Quote	Shipping Waitlist
BT 2000 to BT 4000 Upgrade to 8 inch Tablet	Wireless	WiFi to ARB Website	P198WX	Level 1 Update Level 2 Update	Available

+ 5G functionality requires an eSIM and carrier plan purchased separately. Beryl does not provide eSIMs or plans.
* Ships 0 to 2 business days After Receipt of Order (ARO) Shipments may take a few day more at Low Stock. Longer with very low stock 3

Inventory status last updated: Dec 24,2025; 07:24

Meets all of CARB's New Printout and Reporting Rules

BT 4000: Seamless Compliance: Instantly perform SAE J1667 tests and upload results to ARB with just a few taps.

BT4000: Simple Easy to read and download test results

BT 4000: Simple and easy to read and download test results.

BT4000: Simple Easy to submit test results

BT 4000: Simple and easy to submit test result to ARB with automatic VIN and test data entry.

Simple Instant attach and detach:

(Watch the Quick Connect Demo Video)

Designed

in the USA

A smoke opacity meter manufacturer for diesel emissions testing

All trademarks and trade names are the property of their respective trademark holders. Beryl Technologies, LLC is not responsible for typographical errors. All typographical errors are subject to correction. All Prices, specifications, and images are subject to change without notice.

No parts of this site, or any of its content, including images and written texts, may be duplicated in whole or in part without express written permission

Note: The operator is responsible for verifying that the correct maximum smoke opacity is set for each vehicle. The ARB is moving to an OBD system; please refer to the ARB website for more information. Beryl Technologies will not be liable for any incorrect maximum smoke opacity limit. After all smoke tests, always print a hard copy of the test. Always verify that all data items were properly inputted and printed. Download the data from the meter after each test or at the end of the day. We recommend downloading the data at the end of each day and verifying that all smoke tests performed during the day were added to the smoke test database. Always use a secure and redundant backup system for test data storage. Beryl Technologies will not be liable for any lost or corrupted data. By submitting forms or sending emails to Beryl Technologies LLC, you consent to receive SMS or MMS messages from us.
Please note that all prices listed on this website are subject to change and may be corrected in case of an error. The information on this website is the property of Beryl Technologies LLC and may not be copied or quoted without our express written permission. We reserve the right to modify or discontinue, temporarily or permanently, any part of this website or any products or services offered through it for any reason and without notice. This includes but is not limited to, making changes to product specifications, availability, and pricing.
While we endeavor to keep the information on this website accurate and up-to-date, we make no warranties or representations, express or implied, about its completeness, accuracy, reliability, or suitability for any particular purpose. You use this website and the information contained at your own risk.

(562) 698-2444