回路供电的现场指示仪
Technical Data
CompareProcess indicator & control units
| Measuring Principle | Loop powered indicators |
| Measuring principle | Loop-powered field indicator |
| Function | Display |
| Display | LCD 26 mm (1.02") 5-digit Bargraph Plain text display |
| Power Supply | Loop powered |
| Input | 1 x analogue 4...20 mA |
| Output | 1 x open collector |
| Software functions | Not defined |
| Certificates | ATEX Ex ib[ia] CSA General Purpose CSA IS, NI FM IS, NI EAC Ex ib[ia] IECEx Ex ib[ia] NEPSI Ex ib[ia] UK Ex ib [ia Ga] IND Ex PESO Ex marine certificate |
| SIL | Not defined |
| Panel mounting | field |
The indicator's large backlit display shows the measured value; an optional bar graph visualizes the measured value for a faster process overview. Editable plain text can display engineering units or TAG information. If a limit value is exceeded, a signal is output that opens the collector. The indicator requires no separate power supply and can be powered directly by the 4...20 mA loop. The device is Ex-certified and suitable for hazardous areas.
Advantages
4...20 mA measured value display
5-digit measured value display including dimension, bar graph and backlighting
No external power supply required
Version: glass-fiber reinforced plastic or aluminum, suitable for Ex applications
Simple 3-key operation; or via FieldCare PC software; or via the setup box, without power supply
International approvals; marine approval
Allows the HART® transmission protocol to pass through freely
Application
The display unit is housed in a field instrument housing with a microcontroller and LC backlit display. The display of measuring range, decimal point and offset can be easily configured via 3 keys after opening the housing, or on a computer using the FieldCare PC software.
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Technical documentation
Technical data
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Source:Endress+Hauserwebsite public information
Case Studies
市政污水处理污水处理厂 · 过程测控仪应用案例
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,对过程测控仪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过程测控仪,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 · 过程测控仪应用案例
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,对过程测控仪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过程测控仪,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 · 过程测控仪应用案例
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,对过程测控仪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过程测控仪,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 · 过程测控仪应用案例
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,对过程测控仪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过程测控仪,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。







