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Help CenterDigital Load Cell for Weightbridge (QSA-D)(5t~40t)
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Double Ended Shear Beam digital load cell (QSA-D)(5t~40t)
Brief introduction of the digital load cell
Digital loadcell is a late new electric weighing technology combined with modern microelectronics Tech & microcomputer Tech,based on the strain gauge load cells. It includes of analog load cell and digital convert module;Digital module is made up of high compositive IC circuit with SMT surface stick technology , mainly including amplifier,A/D convertor,controller (CPU), memorizer,interface circuit and digital temperature load cell etc.
1.Digital error compensation technology and high compositive electric components are applicated in the capability parameters of load cells
Managing software is used for the intergrated compensation of Linearity Zero TC SPAN and Creep etc.Eliminating the influence of the human factor to the compensation greatly improves the precision and reliability
2.Output consistency error of the load cell is within 0.02%.Keep the same parameter for the mass production,excellent interchange ability.
3.Application of the A/D converting circuit .digital signal transmission and digital wavefilter technology improving the signal transmission distance up to 1200M enhancing the ability of anti disturbance and good stability.
4.Automatic data collection,pre-disposal and memory having exclusive mark for easy trouble shooting.
5.Adopting standard digital communication connector can be connected to PC directly or standard industrial control line,assembly easily.
6.The digital load cell that has a“-D”in the load cell models.
Chaiacteristics for digital load cell′s function
1.Higher precision and reliability ,C3
2.More flexible,without calibration in special application loadcells with different capacities can be exchanged,which with will not affect the accuracy and overload capacity of the whole system
3.Good Anti-Jumping capacity. higher stability and consistency.
4.Very strong anti-cheat abitity.
Digital managing software
The software is used easily and multi-functional in calibration,4-corner adjustment,data-protection,data-inquiry,statistics,malfunction-checkout,etc..The whole weighing system is safe and reliable without any indicator.
Product description
1.Unique bridge structure ,cup and steel ball mounted
2.Self-resetting and centering , good side force resistance and shock resistance
3.Moisture-proof sealed ,ideal for hostile environment
4.Simple to install , easy to use ,good interchangeability
5.Suitable for electronic truck scale , railroad scale and various special scales.
Load cell QSA Dimensions(mm)
Load cell QSA Specifications
Rated Load(Emax) | t | 10/20/25/30/40/50 | |
Accuracy Class according to OIML R60 |
| D1 | C3 |
Max. numbers of verification intervals(nLC) | d | 1000 | 3000 |
Min.load cell verification interval(Vmin) | %of Emax | 0.02 | 0.01 |
Sensitivity(Cn) | digit | 1000000 | |
Sensitivity tolerance | % | ±0.03 | |
Temperature effect on sensitivity | % of/Cn/10k | ±0.025 | ±0.012 |
Temperature effect on zero | % of/Cn/10k | ±0.0285 | ±0.012 |
Hysteresis error(dhy) | % of Cn | ±0.033 | ±0.017 |
Non-Linearity(dlin) | % of Cn | ±0.033 | ±0.018 |
Creep(dcr),30 min. | % of Cn | ±0.033 | ±0.0167 |
Reference excitation voltage(Uref) | V(dc) | 12 | |
Nominal range of excitation voltage(Bu) | V(dc) | 7~15 | |
Current consumption | mA | ≤40 | |
Resolution | Bit | 20(at 1 Hz) | |
Measuring rate | M/sec | 112,56,28,14,7,3 | |
Filter mode | Hz | 8~0.05 | |
Asynchrone Interface |
| RS-485/4 | |
Baudrate | Baud | 1200...19200 | |
Number of bus adresses |
| Max.32 | |
Nominal temperature range(Bt) | ℃ | -10~+40 | |
Service temperature range(Btu) | ℃ | -20~+70 | |
Storage temperauure range(Btl) | ℃ | -50~+85 | |
Permissible dynamic load | % of Emax | 70 | |
Safe overload | %F.S | 150 | |
Ultimate overload | %F.S | 250 | |
Insulation resistance | MΩ/50V | >5000 | |
Protection class |
| IP67;IP68 | |
Load cell material |
| Alloy steel | |
Cable length | m | 12/16 | |
Cable outer caliber | mm | Φ6 | |
Packaging & Delivery
Delivery Usually 15days after receiving 30% deposit (for T/T terms), but 30days for customized.
Our Company:
Silvanus Electric Manufacture (Yixing) Co., Ltd. is a professional hi-tech enterprise, which specializes in manufacturing high precision load cells.
On the basis of strong R&D ability and advanced equipment in production, inspection and testing, we specialize in scientific research, production and sales of all kinds of high precision load cells. Our products are widely used in electric weighing apparatuses, metallurgy, petrifaction, environmental protection, mechanism, textiles, medicines, construction examining, and ports.
We insist on the policy of "customer oriented" and aim at producing the best load cells. In controlling and managing the quality of our products. We comply with OIML and ISO9001:2000 standards. According to the quality policy of "Through building a system of quality and management which is lasting and effective", we serve customers with better quality products on time. We will always improve ourselves and bring our company a brand-new future.
LETTER OF PATENT:
Transportation | Routine |
| By car | 3 hours from Shanghai to Yixing |
| By high speed railway | 2 hour from Shanghai(or Shanghai Hongqiao) railway station to YiXing railway station,then we will pick you up.It will take 10 mins by car from Yixing railway station to our company. |
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