APPLICATION DECISIONS
Engineering logic for the measurement point
Map the measurement point to its local environment rather than applying one plant-wide specification. A cooling-water line, hydraulic skid, furnace-pressure tap and dust-collector hopper have different media and failure mechanisms. Provide process and ambient temperatures, radiant heat, vibration, shock, dust, washdown and access. Pressure taps or level probes may need protection from plugging, impact or abrasion, but every accessory changes response, installation and maintenance.
For gas, air and pressure systems, record minimum, normal and maximum values, pulsation, vacuum, surges, dust loading, condensation and tapping geometry. Differential-pressure flow or filter monitoring requires static pressure, impulse design and primary-element or equipment data. Cooling-water flow needs actual pipe and fluid conditions. Temperature measurement requires sensor type, insertion, thermowell and mechanical review, particularly where velocity or vibration can load the assembly.
Bulk-material points add particle size, bulk density, moisture, buildup, bridging, angle of repose and filling impact. A switch probe or radar echo path must be positioned using a vessel drawing. Plan isolation, purging, cleaning, removal and spare strategy before order. Final selection should link the proposed SKU to drawings, environmental and pressure-temperature limits, wetted materials and required evidence; no claim here establishes performance in an unspecified furnace or process.
Measurement and engineering factors
- Local environment
- State ambient and radiant temperature, dust, water, vibration, shock, electromagnetic environment and access restrictions at the exact point.
- Process medium
- Identify gas, air, water, hydraulic fluid, slurry or bulk solid plus solids, moisture, abrasiveness, coating and phase behaviour.
- Dynamic envelope
- Provide minimum, normal and maximum values, pulses, surges, vacuum, cycling, filling impact and abnormal conditions.
- Protection and maintenance
- Define impulse protection, cooling, purge, abrasion shield, isolation, cleaning, removal, calibration and spare expectations.
- Integration and evidence
- Specify power, output, cable route, enclosure, area classification and required drawings, material or calibration records.
Application scenarios for review
- Cooling-water, hydraulic and lubrication systems where fluid condition, pressure pulses, pipe layout and maintenance isolation are known.
- Furnace, gas-cleaning and air systems where dust, condensation, heat, impulse paths and differential pressure are engineered.
- Bins, hoppers and material handling where bulk density, abrasion, buildup, impact, geometry and access guide level selection.
Limitations and confirmation points
- Extreme radiant heat, slag, severe abrasion, high dust loading or impact may require protective equipment and specialist design beyond a standard instrument.
- This page does not establish suitability for furnace safety, emissions compliance or hazardous areas without the project design and current scoped evidence.
APPLICATION RFQ
Information to send for application review
- Plant area and measurement purpose
- Process medium or bulk solid
- Minimum, normal, maximum and transient values
- Process, ambient and radiant temperatures
- Dust, vibration, shock and abrasion
- Pipe, vessel, tapping or mounting drawing
- Protection, purge, cooling and isolation plan
- Power, output and cable route
- Area or environmental document requirements
- Quantity, maintenance and spare strategy
PRODUCT FAMILIES
Related measurement categories
APPLICATION FAQ
Frequently asked questions
How should radiant heat be included in an instrument RFQ?
State the normal and maximum ambient temperature at the mounting point, nearby surface or furnace temperatures, distance, shielding, insulation, airflow and exposure duration. Include start-up, maintenance and abnormal conditions. A process-temperature value alone does not describe heat reaching the electronics or cable. Provide a layout or photograph where possible. The proposed mounting, stand-off, impulse line or shield and every component limit should be reviewed as one installation.
What causes pressure and differential-pressure problems in dusty gas service?
Dust can plug taps and impulse lines, while condensation can combine with particles and change the blockage mechanism. Pulsation, vibration, unequal line routing and poor slopes can add error or slow response. Describe dust loading, particle behaviour, gas temperature, dew-point risk, pressure range, tapping location and cleaning or purge method. Selection must cover the transmitter and the complete tapping, isolation and maintenance arrangement rather than relying on a nominal differential range.
Which inputs matter for bulk-solid level points in a metallurgical plant?
Provide material name, particle size, bulk density, moisture, abrasiveness, temperature, dust, buildup, bridging and angle of repose. Add vessel height and shape, nozzle or mounting location, filling and discharge points, internals and possible impact loads. These inputs help compare radar or point-switch principles and mechanical protection. The final antenna, probe, range, dead zone, connection and environmental limits remain configuration-specific and should be confirmed in controlled documents.