Примеры использования Measuring insert на Английском языке и их переводы на Русский язык
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Measuring inserts RTD or TC.
The following versions of measuring insert are available.
The beginning of the product name refers to the type of sensor in the measuring insert.
All thermowells require a measuring insert with a diameter of 6 mm/ 0.24.
A measuring insert with a thermocouple is better suited to heavy thermal or mechanical loads.
Transmitter either inside on the measuring insert or outside.
Sheaths of measuring inserts made of mineral insulated cable.
Process temperature -200 +600 C/ -328 +1112 F,depending on measuring insert, design and material.
The version of the measuring insert type of sensor, type of circuit, measuring range.
The versions, dimensions andother construction features of the measuring inserts are standardised in DIN 43735.
This is true of both measuring inserts with Pt100 RTDs and measuring inserts with thermocouples.
All industrial thermometers for advanced requirements require a measuring insert with a diameter of 6 mm/ 0.24.
So, ensure that the measuring insert touches the bottom of the thermowell using the spring-loaded mounting.
The protection tube with welded screw fitting functions as an integrated thermowell and the measuring insert can be replaced without interrupting the process.
Measuring insert with Pt100 RTD: measurement error in accordance with tolerance classes A, B, 1/3 B and 1/10 B according to DIN EN 60751.
The selection of the right measuring insert depends on the conditions of use.
The sensors of series R1/T1 to R4/T4 comprise a protective fitting with various process connections,a connection head and an exchangeable measuring insert.
The type of measuring principle depends on the measuring insert sensor that you combine with the transmitter.
Thermowells and thermowell tips The thermowell is designed to prevent external loads(e. g. static pressure, flowing and aggressive media) from damaging the measuring insert.
You can determine the length of the measuring insert for threaded thermometers without thermowell as follows.
Both measuring inserts are available in three different versions(for more information see refer to Measuring insert designs and measuring insert length on page 14), the manufacturer also offers a variety of thermowell tips for more information see refer to Thermowells and thermowell tips on page 18.
In matters of the thermometer type the manufacturer offers two different measuring inserts, either with a resistance thermometer or with a thermocouple.
Bending radius The immersion tubes on the measuring inserts can be bent but the smallest bending radius must be at least 3 times the diameter of the immersion tube.
The temperature sensors of series R5/T5 andR6/T6 comprise measuring inserts with connection head or connection box and various process connections.
Slow response to changes in temperature If the measuring insert is not resting firmly on the bottom of the thermowell, the response to any changes in temperature may be slowed.
ET521 screw-in RTD thermometers with terminal head and replaceable measuring insert are designed for measuring temperatures in liquids and gases under demanding conditions.
When increased accuracy is required, a measuring insert with a resistance thermometer is better suited for temperatures up to +500 C/ +932 F and in exceptional cases up to +600 C/ +1112 F.
ATEX Ex i pending for all thermometers with a measuring insert featuring a diameter of 6 mm/ 0.24" and the following sensor: 1 x Pt100, class A, wire-wound RTD.
The most probable cause of a fault is the measuring insert itself and its electronic components see the handbook for measuring inserts, subsection"Faults: Reasons and Remedies.
Severe heat transfer caused by too short insertion length of thermowell or measuring insert: the thermometer indicates a temperature that is too low when it is above the ambient temperature and one that is too high when it is below the ambient temperature.