KROHNE OPTITEMP TCA Ex EN - Manual (Page 6)

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DEVICE DESCRIPTION
6
OPTITEMP TRA/TCA
www.krohne.com 10/2010 - 4001087001 - Ex AD OPTITEMP TRA/TCA R02 en
VGC key
Designation Variants
1 Type of thermowell tip
VGC 1 = straight tip
VGC 4 = tapered tip
2 Abbreviation for full
description of
thermometer
For VGC1: 1 = TRA-P10 (insert version); 2 = TRA-S11 (threaded version);
3 = TRA-S12 (threaded version); 4 = TRA-F13 (flange version); A = TCA-P10
(insert version); B = TCA-S11 (threaded version);
C = TCA-S12 (threaded version); D = TCA-F13 (flange version); L = TRA-
P14 (without thermowell); T = TCA-P14 (without thermowell)
For VGC4: 1 = TRA-P40 (insert version); 2 = TRA-S41 (threaded version);
3 = TRA-F42 (flange version); A = TCA-P40 (insert version); B = TCA-S41
(threaded version);C = TCA-F42 (flange version)
3 Ex-Approval 0 = without; 2 = ATEX- Ex-i
4 Type of connection
head
3 = BUZ-T; 5 = BUZ-H
5 Sensor circuit type 0 = without; 1 = 1xPt100 2-wire; 2 = 1xPt100 3-wire; 3 = 1xPt100 4-wire;
A = 1xthermocouple type J; B = 1xthermocouple type K
6 Sensor class 4 = class A, Mi, WW;, A = Class 1, thermocouple
7 Thermowell material 0 = without; 1 = 1,4571, 316Ti; 2 = 1,4841, 314
8 Not Ex-relevant
9 Insertion length For VGC1: 0 = without; 1 = 75 mm / 2.95"; 2 = 100 mm / 3.94"; 3 = 115 mm /
4.53"; 4 = 160 mm / 6.30"; 6 = 225 mm / 8.86"; 7 = 250 mm / 9.84";
8 = 270 mm / 10.63"; A = 305 mm / 12.01"; B = 315 mm / 12.40";
C = 390 mm / 15.35"; D = 395 mm / 15.55";
E = 400 mm / 15.75"; F = 465 mm / 18.31"; G = 480 mm / 18.90";
H = 545 mm / 21.46"; K = 725 mm / 28.54"; Z = special length
For VGC4: 0 = without; 1 = 160 mm / 6.30"; 2 = 220 mm / 8.66";
3 = 225 mm / 8.86"; 4 = 280 mm / 11.02"; 5 = 285 mm / 11.22"; 6 = 307mm;
7 = 345 mm / 13.58"; 8 = 367 mm / 14.45"; A = 427 mm / 16.81"; Z = special
length
10 Length of neck pipe For VGC1: 0 = without; 1 = 80 mm / 3.15"; 3 = 145 mm / 5.71; Z = special
length
For VGC4: 0 = without; 1 = 80 mm / 3.15"; 2 = 82 mm / 3.23"; 3 = 145 mm /
5.71; 4 = 147 mm / 5.79
11 Connection type
(head-mounted
transmitter)
0 = without; 2 = head-mounted transmitter TT10C; 7 = head-mounted
transmitter TT30C; D = head-mounted transmitter TT50C; E = head-
mounted transmitter TT51C; F = head-mounted transmitter TT60C
12 Connection type (rail-
mount transmitter)
0 = without; 6 = rail-mount transmitter TT30R; 7 = rail-mount transmitter
TT31R (1channel); 8 = rail-mount transmitter TT31R (2channel)
13 Not Ex-relevant (14th to 20th position), not used (21st to 25th position)
.book Page 6 Friday, November 19, 2010 2:23 PM