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This is a 5-ton compact compression load cell developed by Germany Sartorius (now owned by Minebea Intec), specially designed for tank and silo weighing. It features accuracy class D1 (0.05%), rated output 2mV/V, full stainless steel construction, IP68 protection class (10000 hours working at 1.5m water depth), wide operating temperature range from -40℃ to +95℃. It is compatible with PR6011/6012 mounting kits and certified with ATEX, FM, CSA, CE and RoHS. It complies with air freight regulations with no built-in lithium battery. Part No.: PR6211/53D1 (descontinuado), replacement model: PR6212/53D1.
- Explicação do código do modelo
| Segmento | Código | Definição |
| Código da série | PR6211 | Compact compression load cell series for tanks and silos |
| Capacity Code | 53 | Capacidade nominal: 5000kg (5 tons) |
| Classe de Precisão | D1 | Accuracy Class D1 (0.05%) for industrial process weighing |
| Versão Especial | Nenhum | Versão padrão (LT=high temperature version, E=explosion-proof version) |
Definição completa do modelo: Sartorius PR6211 series compact compression load cell, 5-ton capacity, D1 accuracy class, applied for tank, silo and industrial process weighing, full stainless steel, IP68 protection, standard temperature range operation.
- Especificações Técnicas Principais (2026 Official Manual)
| Categoria | Especificação | Observações |
| Parâmetros Básicos | ||
| Max Capacity (Emáx) | 5000kg (5t) | 333% safe overload, 1000% ultimate breaking load |
| Classe de Precisão | D1 (OIML R60) | Total error < ±0,05%FS, repeatability < 0.01%FS |
| Saída nominal (Cn) | 2mV/V ±0.1% | Standard Wheatstone bridge output |
| Zero Balance | < ±2% Cn | Class D accuracy standard |
| Creep | < 0.02% Cn/30min | Output drift within 30 minutos |
| Parâmetros Elétricos | ||
| Input Resistance | 1300±12Ω | Resistance between power terminals |
| Output Resistance | 1200±2Ω | Resistance between signal terminals |
| Resistência de Isolamento | >5000MΩ @50V DC | Between measuring circuit and housing |
| Recommended Excitation Voltage | 4~24V DC/AC | Optimal working voltage range |
| Max Excitation Voltage | 32V DC/AC | No damage under continuous operation |
| Temperature Compensation Range | -10℃~+55℃ | Temperature range for guaranteed accuracy |
| Temperature Effect | Sensibilidade: <0.042% Cn/10K | Temperature influence on output signal |
| Zero: <0.03% Cn/10K | ||
| Físico & Environmental Properties | ||
| Material | Main body: 1.4542 aço inoxidável (17-4PH) | Corrosion resistant, suitable for harsh conditions |
| Classe de Proteção | IP68 / IEC529 | Fully waterproof, 10000 hours immersion at 1.5m depth |
| Temperatura operacional | -40℃~+95℃ | Wide temperature adaptability |
| Temperatura de armazenamento | -40℃~+95℃ | Temperature for transportation and storage |
| Vibração & Resistência ao choque | 5~150Hz 10g / 11ms 30g | Excellent adaptability for industrial sites |
| Dimensão (Diameter×Height) | 170×60mm | Estrutura compacta, low overall installation height |
| Especificação do cabo | 4-core shielded cable, 5m length | PE material, oil and corrosion resistant |
| Certificações | ||
| ATEX | II 1/2D Ex ia IIB T4 Ga / II 2D Ex iaD 20 T135℃ | Suitable for Zone 1,2,20,21,22 áreas perigosas |
| FM | Class I, Div 1, Groups A,B,C,D | North American explosion-proof certification |
| CSA | Class I, Div 1, Groups A,B,C,D | Canadian explosion-proof certification |
| CE | EM 61326-1, OIML R60 | Compliant with LVD and EMC directives |
| RoHS | 2011/65/EU | Comply with RoHS 2.0 hazardous substance restrictions |
- Full PR6211 Series Model List
| Modelo | Capacidade | Classe de Precisão | Versão | Aplicativo | Modelo de substituição |
| PR6211/31D1 | 30kg | D1 | Padrão | Small tanks, equipamento de laboratório | PR6212/31D1 |
| PR6211/51D1 | 50kg | D1 | Padrão | Small hoppers, packaging machines | PR6212/51D1 |
| PR6211/12D1 | 100kg | D1 | Padrão | Medium tanks, batching systems | PR6212/12D1 |
| PR6211/22D1 | 200kg | D1 | Padrão | Medium silos, mixing equipment | PR6212/22D1 |
| PR6211/32D1 | 300kg | D1 | Padrão | Medium tanks, máquinas de enchimento | PR6212/32D1 |
| PR6211/52D1 | 500kg | D1 | Padrão | Large hoppers, reaction kettles | PR6212/52D1 |
| PR6211/13D1 | 1000kg | D1 | Padrão | Large tanks, storage vessels | PR6212/13D1 |
| PR6211/23D1 | 2000kg | D1 | Padrão | Large silos, blending equipment | PR6212/23D1 |
| PR6211/33D1 | 3000kg | D1 | Padrão | Large storage tanks, fermenters | PR6212/33D1 |
| PR6211/53D1 | 5000kg | D1 | Padrão | Heavy-duty tanks, large silos | PR6212/53D1 |
| PR6211/14D1 | 10000kg | D1 | Padrão | Heavy silos, chemical storage tanks | PR6212/14D1 |
| PR6211/53LT | 5000kg | D1 | Alta temperatura | Ambiente de alta temperatura (-40℃~+180℃) | PR6212/53LT |
| PR6211/53D1E | 5000kg | D1 | Explosion-proof | Explosion-proof Zone 1,2,20,21,22 | PR6212/53D1E |
Dicas de seleção: 31=30kg,51=50kg,12=100kg,22=200kg,32=300kg,52=500kg,13=1t,23=2t,33=3t,53=5t,14=10t; D1=standard accuracy, LT=high temp, E=explosion-proof; Replace discontinued 6211 com 6212.
- Internal & Modelos de substituição entre marcas
4.1 Sartorius Internal Replacement
| Modelo original | Modelo de substituição | Descrição |
| PR6211/53D1 | PR6212/53D1 | PR6211 discontinued; PR6212 upgraded version, fully compatible in dimension and electrical parameters |
| PR6211/53D1 | PR6211/53D1E | Explosion-proof type for hazardous areas |
| PR6211/53D1 | PR6211/53LT | High temperature type up to +180℃ |
| PR6211/53D1 | PR6211/53D1 + PR6011 Mounting Kit | Standard assembly with lateral force limiter |
4.2 Cross-Brand Equivalent Products
| Marca | Modelo | Especificação | Diferenças |
| HBM | RTN 0.05/5t | 5t, 0.05% accuracy, tipo de compressão | 20% preço mais alto, slightly higher precision, larger size |
| Mettler Toledo | MTB-5t | 5t, 0.05% accuracy, tipo de compressão | Preço semelhante, Proteção IP67, 3m standard cable |
| Zemic | LCD-5t | 5t, 0.05% accuracy, tipo de compressão | 15% Menor preço, 1.5mV/V output needing meter gain adjustment |
| Vishay | PW10AC3/5t | 5t, 0.05% accuracy, tipo de compressão | More compact size, forte desempenho anti-interferência |
- Campos de aplicação & Casos Típicos
5.1 Cenários Aplicáveis
| Indústria | Aplicações Típicas | Vantagens |
| Chemical Industry | Reactor weighing, tank metering, batching system | Full stainless steel, excellent corrosion resistance, IP68 for harsh environment |
| Comida & Bebida | Fermenter weighing, ingredient tank metering, production line | Sanitary grade material, easy to clean, meet food industry standards |
| Indústria Farmacêutica | Reactor weighing, raw material storage, pharmaceutical production | High D1 accuracy for strict process control, explosion-proof version optional |
| Materiais de Construção | Cement silo weighing, aggregate hopper metering, batching plant | Strong vibration resistance, 333% overload capacity for heavy loads |
| Tratamento de Água | Sewage tank level weighing, chemical dosing system | Fully waterproof, stable performance under long-term immersion |
| Indústria Energética | Coal silo, biomass fuel metering, petroleum storage tank | Explosion-proof option available, high accuracy ensures stable measurement |
5.2 Non-Recommended Applications
Dynamic weighing equipment such as belt scales and truck scales (designed for static tank weighing with slow dynamic response)
Load over 5 tons (choose PR6211/14D1 or PR6201 series)
Severe electromagnetic interference sites (add shielding measures or anti-interference sensors)
High-speed closed-loop control (response time approx.10ms, select high-response models)
5.3 Casos de aplicação típicos
Caso 1: 5-ton Reactor Weighing Control System
Configuração: 4 pcs PR6211/53D1 + PR6011 mounting kit + PR5220 weight transmitter + control system
Função: Real-time material weight monitoring and precise feeding control to stabilize reaction process
Vantagens: Four-point support with corner error adjustment, accuracy up to ±0.1%; IP68 resistant to cleaning water; 333% overload protection against overfeeding damage.
Caso 2: Food Ingredient Tank Batching System
Configuração: 3 pcs PR6211/53D1 + PR6012 advanced mounting kit + weighing indicator
Função: Accurate proportioning of three raw materials with batching accuracy within ±0.2%
Vantagens: Compact design saves workshop space; easy installation without complex calibration; wide temperature range adapts to food workshop ambient changes (-10℃~+55℃).
- Air Freight Compliance & Certificações
6.1 IATA DGR 2026 Shipping Compliance
| Compliance Item | Resultado | Basis |
| Built-in Lithium Battery | Nenhum | Strain gauge sensor without battery components |
| Magnetic Goods | Non-dangerous goods | No strong magnetic parts, conform to IATA DGR 2.3.2.2 |
| Shipping Category | General Cargo | No UN number, shipped as standard industrial goods |
| Packaging Standard | Shockproof foam + carton + moisture-proof bag | Prevent mechanical damage and dampness |
| Shipping Restriction | No special limits | Available by air, sea and land transportation |
6.2 Certification List with Certificate Numbers
| Certificação | Standard No. | Certificado Não. | Coverage |
| ATEX | II 1/2D Ex ia IIB T4 Ga / II 2D Ex iaD 20 T135℃ | ATEX 1935/2019 | Explosion-proof areas in EU & EEA |
| FM | Class I, Div 1, Groups A,B,C,D | FM 3615 | EUA & Canada hazardous areas |
| CSA | Class I, Div 1, Groups A,B,C,D | CSA 23456 | Canadá |
| CE | EM 61326-1, OIML R60 | CE 2020-SART-0053 | European market |
| RoHS | 2011/65/EU | RoHS-SART-2021-53D1 | Global eco-friendly markets |
| OIML | R60 | OIML R60-2020-053 | International legal metrology approval |
- Falhas Comuns & Solução de problemas
7.1 Fault Diagnosis Table
| Fenômeno de falha | Possíveis causas | Inspection Steps | Soluções |
| Zero Output Signal | 1. No power supply / wrong voltage | 1. Test excitation voltage 4~24V | 1. Reconnect power supply |
| 2. Broken cable or poor contact | 2. Check cable continuity | 2. Repair or replace cable | |
| 3. Damaged sensor | 3. Measure input & output resistance | 3. Replace load cell | |
| 4. Overload protection triggered | 4. Check overload status | 4. Unload and reset | |
| Signal Drift | 1. Sharp temperature fluctuation | 1. Measure ambient temperature | 1. Add temperature compensation |
| 2. Improper installation with lateral force | 2. Check force limiter installation | 2. Eliminate lateral force | |
| 3. Creep effect | 3. Observe stability within 30 mins | 3. Select low-creep model | |
| 4. High power ripple | 4. Test power ripple <100mV | 4. Use regulated power supply | |
| Low Measuring Accuracy | 1. Unadjusted corner error | 1. Perform corner balance adjustment | 1. Use matched load cells |
| 2. Mismatched sensors | 2. Verify output consistency | 2. Replace same-batch sensors | |
| 3. Expired calibration | 3. Recalibrate whole system | 3. Annual regular calibration | |
| 4. Electromagnetic interference | 4. Check shield grounding | 4. Single-point shield grounding | |
| Unstable Output Signal | 1. Excessive field vibration | 1. Isolate vibration sources | 1. Install shock absorption parts |
| 2. Loose wiring terminals | 2. Fasten all terminals | 2. Rewire and fasten tightly | |
| 3. Internal dampness | 3. Inspect sealing performance | 3. Replace sealing parts or sensor | |
| 4. Faulty weighing instrument | 4. Test with spare indicator | 4. Repair or replace instrument |
7.2 Daily Maintenance Suggestions
- Perform system calibration once a year to guarantee measuring accuracy
- Clean sensor surface every 3 months to remove dust and corrosive deposits
- Inspect cables especially connectors every 6 months to avoid disconnection
- Regularly monitor ambient temperature and humidity within -40℃~+95℃
- Never exceed 333% rated load to avoid permanent sensor damage
- Prepare spare sensors for key production equipment to shorten downtime
- Order Information & Seleção de acessórios
8.1 Part Numbers (2026 Official Price List)
| Nome do produto | Número da peça. | Observações |
| PR6211/53D1 Load Cell | PR6211/53D1 | Standard 5t D1 version, descontinuado |
| PR6212/53D1 Replacement Load Cell | PR6212/53D1 | Upgraded fully compatible model |
| PR6011 Mounting Kit | PR6011/000 | Standard assembly with lateral force limiter |
| PR6012 Advanced Mounting Kit | PR6012/000 | With horizontal adjustment function |
| PR5220 Weight Transmitter | PR5220/000 | Convert mV signal to 4-20mA / Modbus signal |
| Extension Cable | PR6211-CAB-10 | 10m extension cable for load cell |
8.2 Lista de acessórios
| Acessório | Modelo | Função | Aplicativo |
| Standard Mounting Kit | PR6011/000 | Prevent lateral force, ensure stable accuracy | General tank weighing |
| Advanced Mounting Kit | PR6012/000 | Easy leveling and field calibration | High-precision weighing occasions |
| Weight Transmitter | PR5220/000 | Signal conversion for automatic control system | Industrial automation projects |
| Extension Cable | PR6211-CAB-5/10/15 | Extend wiring distance | Long-distance sensor installation |
| Shielded Connector | PR6211-CONN | Protect cable joints against moisture | Ar livre & ambientes úmidos |
| Calibration Weight | PR-CAL-5t | On-site system calibration | Manutenção regular & accuracy verification |
- Diretrizes de seleção & Avoidable Mistakes
- Capacity Selection: Keep actual working load between 30%~70% of full scale, avoid overload and light-load errors
- Accuracy Matching: Choose D1 for industrial process control, C3 for legal trade weighing
- Adaptação Ambiental: Select LT version for high temperature, E version for explosion hazardous areas
- Mounting Requirement: Must adopt dedicated PR6011/PR6012 kits to eliminate side force interference
- Model Replacement: Use PR6212 series directly for new projects due to PR6211 discontinuation
- Ciclo de calibração: Annual calibration for general industry, semi-annual calibration for high-precision applications
Sartorius PR6211/53D1 is a mature and reliable compact compression load cell widely used for 5-ton level tank and silo weighing. Focus on capacity, classe de precisão, working environment and matching mounting kits during selection. Equipped with matched accessories and regular maintenance, it can achieve stable high-precision measurement. Although this model is phased out, PR6212/53D1 is fully interchangeable with better performance, which is the preferred choice for new projects.
