Mass Outside Limits Error | DDS Calorimeters

"MASS OUTSIDE LIMITS" ERROR - TROUBLESHOOTING

How to troubleshoot the "mass outside limits" error on the CAL3K oxygen bomb calorimeter system. When entering the sample mass on the calorimeter (manually or automatically) the following error might appear : "Mass Outside Limits".

Learn how to solve this error when using any of the CAL3K Oxygen Bomb Calorimeter Systems from DDS Calorimeters. Follow along with our step-by-step video below or consult our technical team for more information.

WHY DOES THIS ERROR APPEAR?

The Mass Outside Limits error appears when the sample mass is below the minimum mass set up in the CAL3K Software. The "Mass Outside Limits" error might appear when trying to enter the mass on the calorimeter i.e. when a balance is connected to the calorimeter and the user presses "F5" and "Enter" to enter the mass, or when weighing gelatine capsules.

HOW DO WE FIX THIS ERROR?

With the laptop/PC connected to the calorimeter and the CAL3K software open, press the "F1" key on the laptop. This will open the CAL3K Parameters screen where the Minimum Mass can be adjusted. Highlight the minimum mass in the text box and type the new minimum mass to be a lower value than the current sample mass.

Now move back to the calorimeter and keyboard and try entering the sample mass again (manually or automatically). The calorimeter will now accept the lower sample mass value.


MANUAL MASS ENTRY

The Mass is entered in two ways: through a keyboard entry or through a balance connection. After the last entry the mass appears in the top line. This indicates it is locked. A locked mass can’t be changed, and if a change is required, then the mass must be unlocked with the following procedure...

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BALANCE MASS ENTRY

The default baud rate of the balance port is 2400 baud. The Baud rate can be changed with a PC or from the keyboard (Password). Connect the balance via the balance interface cable (CAL2K-BC) to the CAL3K. Once the cable is connected: Press F5 and wait until the balance displays a stable weight.

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KEYBOARD FUNCTIONALITY

The CAL3K keyboard is a standard PC keyboard. However, not all the keys are utilized : Function Keys, Special Keys, General Keyboard Sequence, Mass Entry, Sample Identification, Setting Calibration...

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