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MANUAL 

WASTESCALE WSS 

FoodWasteTracker, measurement device and tablet 

 

 
 

 
 

 

 

 

 

 

 

 

Support: 

4 (5) 

smartkitchen.solutions 

[email protected] 

 

01/2022 

Record the waste and automatically reduce the weight of the container 

The waste scale is typically used with a waste container on top of the scale into which the waste is poured. 
Another way is to place the container with the waste directly on the scale. For example, when weighing 
food leftover from a serving in its own container. The weight of the container is automatically reduced from 
the weight saved. The containers used for weighing are defined in advance in the SmartKitchen service. The 
container to be used is selected in the application before the waste is recorded. During recording, the name 
of the selected container and its weight will also be displayed next to the weight. In other respects, the 
waste is recorded as described previously. 

Calibrating the SmartKitchen WasteScale 

The WasteScale is calibrated if its measurement results are suspected to deviate significantly from the 
correct value. Calibration is a procedure that should only be performed for a valid reason, not just for 
certainty. 

Deviation of the scale measurement results may occur if the measurement is made at a significantly higher 
or lower temperature than the room temperature. The deviation may also occur over a longer period during 
normal use. The using frequency of the scale is also notable. If the scale is used continuously, its deviation 
may increase faster than the scale used occasionally. Dropping the scale or dropping the load on the scale 
may also cause the need for calibration. Likewise, exposing the device to vibration. 

First, confirm the need for calibration by weighing a suitable object with another, accurate and calibrated 
scale. Check the deviation of the WasteScale by weighing this object before starting the calibration. The 
scale must be switched on for at least half an hour before starting the calibration. 

The WasteScale application guides the user through the calibration process: 

1.

 

Log in to the WasteScale app. Make sure the tablet you are using has internet connection and 
Bluetooth is turned on. Make sure the scale has been on for at least 30 minutes

.

 

2.

 

Select “Start Calibration” from the application menu and follow the on

-screen instructions: 

 

Attention! You are about to start calibration 

WasteScale should only be calibrated if its measurement results are suspected to deviate 
significantly from the correct values

 

Clear scale 

Make sure that the scale is empty.

 

 

Set the calibration weight  

Set the known weight on the scale. The weight should be at least 10% of the maximum weight 
of the scale. In other words, the weight used on a 35 kg scale must be at least 3.5 kg and on a 
150 kg scale at least 15 kg.

 

 

Define weight 

Enter the exact weight of the calibration object

.

 

 

Calibration complete 

Verify the calibration by weighting the same amount that was used to calibrate the scale.

 

Summary of Contents for WSS35

Page 1: ...creen SmartKitchen Waste Scale with touch screen WSS is designed for monitoring the food waste in professional kitchens and contract catering companies There are two different scale models available The scale is operated with the included Android tablet WSS35 size 350 350 40 mm max load 35 kg repeatability 10 g WSS150 size 600 600 40 mm max load 150 kg repeatability 50 g ...

Page 2: ...r or other liquids The scale is splashproof Use a damp cloth and detergent for cleaning Deploying the SmartKitchen WasteScale Place the scale on a flat surface The flatness and slope must not differ more than 1 5 cm per 100 cm The scale must be placed in location where it will not be exposed to large temperature changes The scale operates on mains power Make sure that both the scale and the tablet...

Page 3: ...re it from the application menu If the scale does not show 0 000 kg tare it by pressing and holding the weight reading window on the display The increasing bar in the window reflects the progress of the tare When tare is complete the scale will show 0 000 kg Using instructions The WasteScale is intended to be used as follows The scale and tablet must be always connected to the mains If the app has...

Page 4: ...al use The using frequency of the scale is also notable If the scale is used continuously its deviation may increase faster than the scale used occasionally Dropping the scale or dropping the load on the scale may also cause the need for calibration Likewise exposing the device to vibration First confirm the need for calibration by weighing a suitable object with another accurate and calibrated sc...

Page 5: ... to the power supply and reconnect if necessary 5 Tablet is not showing the waste weight Solution Make sure your tablet s Bluetooth is turned on 6 The waste weighing results are not transferred into the SmartKitchen service Solution Check the tablet s internet connection 7 The changes made in the service waste categories waste items are not visible in the application Solution Close and restart the...

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