Application Bulletins

Using a MiniSentinel in a PLC Controlled Machine

Typical wiring diagrams and program listing for a Sentinel I-21 controlled by an Allen Bradley SLC500 PLC.

Connection Power to the MiniSentinel Instrument

Correction for 110 volt wiring on early Sentinel B-21 and I-21 instrument models (prior to 1995).

Optimizing Leak Test Performance

Step-by-step procedure to optimize the test performance of the Sentinel B-21 and I-21. Information can applied for optimizing Sentinel C-20 performance as well.

Continuous Logging of Test Results to a Computer

Description of the communication settings, data formats, and wiring to download test results and calibration information to a printer or computer from the Sentinel B-21, I-21, or F-21 instruments.

Sentinel I-21 Serial Communications

Description of the communication hardware and software to initiate two way communication with a Sentinel B-21 or I-21 instruments.

Using a Non-Standard Printer with the MiniSentinel

Description of hardware and communication settings to download test results to a printer.

Interfacing to MiniSentinel Valve Outputs

Application considerations when using outputs designated for the test valves for other purposes.

Using Solid State Sensors for Inputs

Application considerations to follow when using solid state sensors and other devices as inputs to the Sentinel B-21/I-21/F-21 instruments.

Using Visual Basic to Communicate with a MiniSentinel Instrument

Description of software considerations to write a Visual Basic program to communicate with the Sentinel B-21/I-21/F-21 instruments. Reference AB105 for additional information.

Invoking the Security on a MiniSentinel Instrument

Description of how to initiate the security options available in the sentinel B-21/I-21/F-21 instruments.

Configuring MiniSentinel Instruments for High Flow Applications

Considerations for applying a Sentinel B-21 or I-21 pressure decay instrument to a high flow test.

Calibration Methods for Multiple Instrument Test Systems

Calibration considerations for multiple instruments that are testing the same part.

Using the MiniSentinel Instrument with a Gage Talker

Interfacing the Sentinel B-21/I-21/F-21 with GageTalker.

Using the MiniSentinel Instrument with a DataMyte

Interfacing the Sentinel B-21/I-21/F-21 with DataMyte.

Sentinel C-20 Installation Information

Sentinel C-20 installation instructions including mounting, electrical connections, and pneumatic connections.

SENTINEL B-21 and I-21 Installation Information

Sentinel B-21 and I-21 installation instructions including mounting, electrical connections, pneumatic connections

How to Establish an Acceptable Leak Rate Criteria for Automated Testing with SENTINEL Instruments

Automatic calibration procedure (AUTOCAL) for I-21, B-21, and C-20

C-20 Quik Test function explained

New Quik Test feature in Sentinel C-20 that reduces the test timer for obvious accept and reject parts resulting in faster test cycles for most parts.

Mass Spec Testing of fuel systems and gas tanks

Production testing of automotive fuel components to meet new emission standards.

MD Instrument/Stand to test for liquid filled containers

Production or audit packaging testing of soft contact lens detecting liquid leaks.

I-21, B-21, & F-21 pressure transducer span adjustment procedure

How to adjust the span of the Sentinel B-21/I-21/F-21 instruments to match a certified pressure gage.

Preventive Maintenance Service Contracts

Preventive maintenance service contracts for pressure decay, mass flow and helium mass spectrometer systems.

F-21 flow sensor calibration procedure using F-21 Uploader program

F-21 flow sensor calibration procedure using F-21 Uploader program. Procedure for uploading calibration data for new mass sensors .

Instrument Resolution

Shows how to determine instrument resolution requirements for a pressure decay leak test.

Coil saver board for external valves

Picture and wiring diagram for coil saver board.

Sentinel C-20-Cyclone High speed part presence or integrity testing

Description of the features of the Sentinel C-20-Cyclone that provide high speed testing capability.

Brake Components

Pressure decay leak testing applications: Production testing of automotive brake components.

Sentinel C-20 Plus

Features of the Sentinel C-20 Plus Instrument.

Sentinel Printer

Optional printer for Sentinel B-21, I-21, C-20, and F-21 instruments

Power Steering Components

Pressure decay leak testing applications: Production testing of automotive steering components.

Total Service

Description of services offered by Cincinnati Test Systems, Inc.

Sentinel Instruments

300 psi high pressure option.

Calibrated Leak Orifices For Sentinel Instruments

Specifying Orifice Values for Sentinel C-20, B-21 or I-21 Instruments

External Exhaust Valve

For Sentinel C-20, B-21, I-21 and F-21 Instruments

Sentinel M24 Installation Information

Communication Setup & Execution Sentinel M24 Instrument

Leak Rate Units : sccm, ccm, accm

Equivalent Leak Standards

AB143 Derivation of Pressure Loss to Leak Rate formula from the Ideal Gas Law

Derivation of Pressure Loss to Leak Rate formula from the Ideal Gas Law

Falcon^® Applications: Head Lights & Tail Lights

Automotive Headlights and Taillights Tested with Falcon System

Changing the Calibrated Leak Standard

Falcon^® Applications Fuel Handling Components

Fuel Rail Testing with Falcon^®

Gage vs. Differential Pressure Decay Instruments

Gage (or absolute) and differential pressure decay methods discussed.

Pressure and Leak Rate Accuracy

Pressure and Leak Rate Accuracy
Sentinel I24 and M24
Pressure Decay Instruments

Sentinel M24 120 to 24 Volt IO

Sentinel M24 Wiring for 24 Volt DC Inputs and Outputs With 120 or 230 VAC Supply Power

Sentinel I24 Digital Input and Output Configuration

Interface configuration for input and output on the Sentinel I24 instrument.

Formatting USB and Downloading Sentinel I24 Firmware

Formatting the USB flash drive to FAT32 and Downloading the Sentinel I24 Firmware

Sentinel I24 QUICK START

Sentinel I24 Installation Information QUICK START

Testing Sealed Parts: Fixed Volume Fill Testing

Sealed parts with no charge ports are tested differently then most parts.