beautypg.com

Device description – KROHNE OPTITEMP TRA-TCA EN User Manual

Page 12

background image

2

DEVICE DESCRIPTION

12

OPTITEMP TRA/TCA

www.krohne.com

08/2010 - 4000630501 - MA OPTITEMP TRA/TCA R01 en

2.2.3 Types of measuring inserts and measuring insert lengths

The replaceable measuring insert contains the temperature sensor, which may be either a Pt100
RTD or a thermocouple. The measuring insert is pushed through the open connection head into
the thermometer assembly and attached using two spring loaded M4 screws (this guarantees
that the tip of the measuring insert is in constant contact with the bottom of the thermowell). The
following versions of measuring insert are available:

One distinguishing dimension of the measuring insert is its length. The length is measured from
the bottom edge of the base to the tip of the immersion tube ("a" in the drawing below):

INFORMATION!
The versions, dimensions and other construction features of the measuring inserts are
standardised in DIN 43735-1.

1 Measuring insert with head-mounted temperature transmitter
2 Measuring insert with ceramic terminal block
3 Measuring insert with flying wires

.book Page 12 Tuesday, August 17, 2010 12:18 PM