Technical Data
CompareContinuous / Liquids
| Measuring Principle | Level radar |
| Characteristic / Application | Field gateway for tank sensor operation and monitoring and integration into inventory control system |
| Specialities | Hydrostatic Tank Gauging (HTG) |
| Supply / Communication | 85-264VAC 52-74VAC 19-64VDC |
| Accuracy | Depend on the sensor |
| 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 | Depend on the sensor |
| Process pressure / max. overpressure limit | Depend on the sensor |
| Main wetted parts | Non-contact |
| Communication | Outputs: Fieldbus: Modbus RS485, V1, WM550 HART, BPM and TRL/2 (via GE option) Analog 4-20mA (Exi/Exd) Relay (Exd) Inputs: Analog 4-20mA (Exi/Exd) 2-, 3-, 4-wire RTD Discrete input (Exd, passive/active) |
| Certificates / Approvals | ATEX, FM, IEC Ex, EAC, JPN Ex, NEPSI, UK Ex |
| Safety approvals | SIL Overfill protection WHG |
| Metrological approvals and certificates | OIML, NMi, PTB |
| Options | Redundant fieldbus Alu-coated or 316L housing Weather protection cover mounting kit pipe |
Field of application
The NRF81 tank side monitor is used for the integration and monitoring of tank measuring sensors. It integrates the data of multiple level, temperature and pressure tank sensors into the host control system. Different alarms and outputs are available as options.
Performs power supply and signal transmission for connected devices. Parameter setting and measured value display of connected devices. Tank farm calculation with precise calibration of tank deviations. W&M certified for use in custody transfer applications.
Output: Modbus EIA485 (RS485), Sakura V1
Temperature: -40...60°C (-40...140°F)
International explosion protection certification
Advantages
Hardware and software designed in accordance with IEC 61508, up to safety integrity level SIL3 (in homogeneous redundant systems)
Provides intrinsically safe power and communication for Micropilot radar level meters and Levelflex guided radar level meters
Simple connection to higher-level DCS systems via open protocols, simple installation and trouble-free operation
Explosion protection certified for use in hazardous areas
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Source:Endress+Hauserpublic information from the website
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Case Studies
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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。







