伺服罐表
Technical Data
CompareContinuous / Liquids
| Measuring Principle | Servo / Float Tank Gauging |
| Characteristic / Application | Servo Tank Gauging: High precision measurement for liquid level, interface, spot density, profile density |
| Specialities | Custody transfer level measurement Interface measurement Spot density, density profile measurement |
| Supply / Communication | 85-264VAC 52-74VAC 19-64VDC |
| Accuracy | up to 0.4 mm |
| Ambient temperature | Standard: -40°C…60°C (-40°F...140°F) For calibration to regulatory standards: -25°C…55°C (-13°F...131°F) |
| Process temperature | -200°C...200°C (-328°F...392°F) |
| Process pressure / max. overpressure limit | 0,2...6 bar abs |
| Main wetted parts | 316L, AlloyC276, PTFE |
| Process connection | Flange: DN80/3" / DN150/6" |
| Max. measurement distance | 36 m (118 ft) |
| Communication | Outputs: Fieldbus: Modbus RS485, V1, WM550 HART, BPM and TRL/2 (via GE option) Analog 4-20mA output (Exi/ Exd) Relay output (Exd) Inputs: Analog 4-20mA input (Exi/ Exd) 2-, 3-, 4-wire RTD input Discrete input (Exd, passive/ active) |
| Certificates / Approvals | ATEX, FM, IEC Ex, EAC, JPN Ex, KC Ex, INMETRO, NEPSI |
| Safety approvals | Overfill protection WHG SIL |
| Metrological approvals and certificates | OIML, NMi, PTB, LNE Calibration performed on accredited calibration facilities (acc.to ISO/IEC 17025) |
| Options | Redundant fieldbus Weather protection cover Guide wire assembly Relief valve Gas purging nozzle connection Pressure gauge Cleaning nozzle connection |
| Application limits | Stilling well or guide wires for turbulent application Recommend PTFE displacer for high viscosity application Recommend AlloyC276 displacer for corrosive application Interface measurement requires min. difference of 0.100 g/ml between layers |
Density
| Measuring Principle | Servo / Float Tank Gauging |
| Characteristic / Application | Servo Tank Gauging: High precision measurement for liquid level, interface, spot density, profile density |
| Supply / Communication | 85-264VAC |
| Ambient temperature | Standard: -40°C…60°C (-40°F...140°F) For calibration to regulatory standards: -25°C…55°C (-13°F...131°F) |
| Process temperature | -200°C...200°C (-328°F...392°F) |
| Process pressure | 0.2...6 bar abs |
| Wetted parts | 316L, AlloyC276, PTFE |
| Output | Outputs: Fieldbus: Modbus RS485, V1, HART Analog 4-20mA output (Exi/ Exd) Relay output (Exd) Inputs: Analog 4-20mA input (Exi/ Exd) 2-, 3-, 4-wire RTD input Discrete input (Exd, passive/ active) |
| Certificates / Approvals | ATEX, FM, IEC Ex, NEPSI, EAC |
| Options | Weather protection cover Guide wire assembly Relief valve Gas purging nozzle connection Pressure gauge Cleaning nozzle connection |
| Specialities | Custody transfer level measurement Interface measurement Spot density, density profile measurement |
| Measuring range | 36 m (118 ft) |
| Other approvals and certificates | OIML, NMi, PTB |
The Proservo NMS80 intelligent tank gauge can perform high-precision level measurement in custody transfer and inventory control applications and is certified by NMi and PTB. It complies with the relevant requirements of OIML R85 and API 3.1B. It meets the strict requirements of tank farm inventory management and loss control and has been optimized for total cost savings and safe operation.
Advantages
Hardware and software design in accordance with IEC 61508, maximum safety SIL3 (in homogeneous redundant systems)
Maximum measuring accuracy of ±0.4 mm (±0.02"), therefore maximum reliability
Design complies with international metrology regulations, e.g. OIML R85 and API MPMS standards
Local and national certifications, e.g. NMi or PTB certification for custody transfer applications
Simple connection to higher-level DCS systems via open protocols, easy installation and trouble-free operation
Can measure up to three interfaces, tank bottom, single-point temperature and density gradient
Application
High-precision custody transfer measurement of crude oil, gasoline, diesel, petroleum and chemicals.
Process connection: flange
Temperature: -200...+200°C (-328...+392°F)
Pressure: 0...+6 bar (0...+87 psi)
Maximum measuring range: 36 m (118 ft)
Measuring accuracy: ±0.4 mm (±0.02")
International explosion protection and custody transfer certification, WHG overfill protection, SIL certification
Technical documentation
Technical data
Documents/Manuals/Software
Accessories/Spare parts
Source:Endress+Hauserwebsite public information
Case Studies
市政污水处理污水处理厂 · 罐区应用案例
项目背景
市政污水处理客户在污水处理厂环节，长期面临「出水水质监测精度不足、仪表易受污染导致数据漂移，影响达标排放」的困扰，对罐区的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况，为客户选配了适配的罐区，并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升，数据稳定可靠；
- 仪表适应市政污水处理复杂工况，维护量大幅降低；
- 助力客户实现连续在线监测与降本增效，获得客户高度认可。
食品饮料食品生产线 · 罐区应用案例
项目背景
食品饮料客户在食品生产线环节，长期面临「卫生级测量要求高，在线仪表需耐 CIP/SIP 清洗且精度稳定」的困扰，对罐区的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况，为客户选配了适配的罐区，并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升，数据稳定可靠；
- 仪表适应食品饮料复杂工况，维护量大幅降低；
- 助力客户实现连续在线监测与降本增效，获得客户高度认可。
化工制药反应釜与储罐 · 罐区应用案例
项目背景
化工制药客户在反应釜与储罐环节，长期面临「介质腐蚀性强、工况复杂，仪表需耐腐蚀且防爆」的困扰，对罐区的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况，为客户选配了适配的罐区，并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升，数据稳定可靠；
- 仪表适应化工制药复杂工况，维护量大幅降低；
- 助力客户实现连续在线监测与降本增效，获得客户高度认可。
电力能源电厂锅炉与汽机 · 罐区应用案例
项目背景
电力能源客户在电厂锅炉与汽机环节，长期面临「高温高压工况下测量不稳定，维护停机成本高」的困扰，对罐区的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况，为客户选配了适配的罐区，并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升，数据稳定可靠；
- 仪表适应电力能源复杂工况，维护量大幅降低；
- 助力客户实现连续在线监测与降本增效，获得客户高度认可。
