Digital Load cells QS-D 30t
Load cell Keli QS-D is one of the most popular models of load cells submitting by manufacturer Keli. It applies for railway and truck scales. The present model of load cells possesses advantages such as explosion safety, impact resistance and high accuracy.
Digital load cells QS-D in their design have built-in analogue-digital transformer (ADT). Digital signal about weight is transmitted under RS-485 interface that permits to increase considerably distance between weighing platform and weighing indicator (up to 1000 m).
Digital load cells have some advantages as compared with analogue models:
Digital technology protects equipment against fraudulent operations.
Unreceptive to external noise, pickup.
Continuous auto diagnostics of load cells.
Simplicity of maintenance and repair.
Possibility of removal of equipment up to 1 km.
Type of QS-D is Double Ended Shear Beams.
Protocol Type: C type, E type.
Application in truck scales, rail weight scales, Silo scales.
Black Load cell cable (φ6mm × 16m)
|12V||GND||TXD or A+||RXD or B-||shield|
|Rated load (Еmax)||10t, 15t, 20t, 25t, 30t, 40t, 50t|
|Accuracy class OIML R60||С3|
|Update rate (Hz)||50|
|Creep (30min)||± 0,02% F.S.|
|Total error||± 0,02% F.S.|
|Operating temperature range||– 30 ~ + 70°С|
|Advisable voltage supply (V)||9 ~ 12|
|Maximum transmission range (m)||1200|
|Housing material||Alloyed steel (A)|
Stainless steel (SS/S)
|Rated sensitivity (ISN)||500,000|
|Baud rate (BPS)||9600|
|Sensitivity temperature deviation||± 0,02%/10°С|
|Maximum permissible load||150% F.S.|
|Breaking load||150% F.S.|
|Maximum voltage supply (V)||20|
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