What is WAVERSAVER?

The following simplified explanation describes what WAVERSAVER™ does, without attempting to describe how it does it.

WAVERSAVER™ is a combination of software and hardware which allows accurate weight readings despite vibration. To perform this function WAVERSAVER™ has many of the characteristics of a automatic filter. It allows load cell signals to pass, while it attenuates (reduces) noisy signals. The primary advantage of the WAVERSAVER™ technique is the ability to perform this function without changing filter setting for each application.

Averaging is used by most process weighing industry manufacturers to ignore the impact of product moving on and off the scale. WAVERSAVER™ is a program designed and patented by Hardy Instruments to ignore in-plant vibration that causes fluctuations in weight readings. All Hardy Instruments with WAVERSAVER™ also have an AVERAGING feature. See additional WebTech answers concerning AVERAGING.

WAVERSAVER™ settings are 0.25hz, 0.5hz, 1hz, 3.5hz, and 7.5hz. Some models have an OFF setting. The lower the frequency ignored, the longer it takes to generate a final weight reading. This time frame is as a rolling average and you do not have to wait this amount of time for each reading. At each update the oldest reading is dumped and the newest reading added. After one time base the weight readings are current at the update rate. The approximate times to generate a weight reading are as follows:

7.5 Hz = 60 ms
3.5 Hz = 210 ms
1.0 Hz = 600 ms
0.5 Hz = 1.25 sec
0.25hz = 2.5 sec

WAVERSAVER™ is standard on all of our products except the 2201/2204 strain gage level indicators.

For more information go to here.

You can also view a short YouTube video to see WaverSaver in action. Go to http://www.youtube.com/results?search_query=hardy+instruments&aq=f