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4.1.4 TEST SPEED All test methods require a test Speed. The Speed setting is the crosshead velocity during the test. NOTE When Return Home occurs, the crosshead will move at the maximum allowed velocity, up to 40 in/min (1016 mm/min).
4.2.2 LOAD UNITS OPTION Load Units let you specify the units of measure that represent your load result and load measurement. Available units of measure for load are N (newton), LBF (pound-force), KGF (kilogram-force) , GF (gram-force) and OZF (ounce-force). 4.2.3 DISTANCE UNITS OPTION Distance Units let you specify the units of measure that represent your distance result and distance measurement. Available units of measure for distance are IN (inch) and mm (millimeter). 4.2.4 SET HOME OPTION Set Home may be YES or NO. If Set Home = YES, the home position, which is the starting position for your crosshead prior to you selecting START TEST, is automatic. If the Set Home option = NO, the operator is required to manually select the SET HOME touch target located to the left of the START TEST touch target. CAUTION You should exercise caution when using Set Home = YES. Damage can occur to your load cell sensor if your Set Home position is incorrect and the crosshead automatically returns to an erroneous position once a test is completed. 4.2.5 SAMPLING RATE (HZ) OPTION Your L1 Series system has a maximum Sampling (Hz) rate of 1000 samples per second. The factory setting is 100 Hz and is usually more than sufficient for capturing peak load, etc. If you need a higher sampling rate, you can change the rate using the numeric keypad. NOTE The L1 software will save up to 100,000 data points for a test run. When using durations for holds or for cycling, make sure to adjust the Sampling Rate (Hz) to a value much lower than 100Hz. At 100 Hz, your test duration cannot exceed 1000 seconds (15 minutes). 4.2.6 USER PROMPT OPTIONS Pre Test settings include the ability to use prompting. Two prompts are available: • Operator Prompt • Batch Prompt
The Speed setting is the velocity for the test. It is the velocity at which the crosshead will travel once the test is started.
4.2 PRE TEST STAGE The Pre Test step provides you with options that may be performed before the test is actually conducted. The Pre Test options are common to all template types. The Pre Test step consists of three sections: Settings, User Prompts and Set Datum.
Shown: L1 Pre Test Stage options
4.2.1 LOCK TEST OPTION When the Lock Test option is set to YES, an unauthorized user is prevented from making changes to the test setup. This option also prevents the test setup from being deleted. The default value for Lock Test is NO. NO means that you can make changes to the test setup once it has been created. NOTE If a test method is Locked, it can only be edited, copied or deleted by the user that created the test. It is a "good practice" to maintain a copy of all tests on a secure server. Use this copy as the master where you can control access and editing.
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