Panametrics BWT System Installation Manual page 56

The use of this apparatus is subject to the EU directive on minimum requirements for improving the safety and health
protection of workers potentially at risk from explosive atmospheres, Council Directive 1999/92/EC. The installer is
required to be familiar with this document or the National transposing legislation.
Manufacturer and certificate owner:
Alternative manufacturing site:
QAN License Number:
Notified Body for Quality Assurance Notification:
Notified Body Number:
Certificate Number:
Apparatus Markings (see example below):
Examples of Markings
Enclosure, BWT Assembly
[Serial number format is MMYYNNNN, where MMYY is month and year of construction and NNNN is a sequential number.]
Thermal Data
The relation between process temperature, ambient temperature and temperature class is shown in the table below.
Max. Process Temp.
+70 °C
+85 °C
+120 °C
+175 °C
+285 °C
+435 °C
+565 °C
+600 °C
Min. Process Temp.
-40 °C
-194 °C
-194 °C
48
BWT Transducer/Junction Box Details
Max. Ambient
Temp.
(XAMP / No XAMP)
+40 °C / +60 °C
+40 °C / +60 °C
+40 °C / +60 °C
+40 °C / +60 °C
+40 °C / +60 °C
+40 °C / +60 °C
+40 °C / +60 °C
+40 °C / +60 °C
Min. Ambient
Temp.
-40 °C
-5 °C
-25 °C
Panametrics Sensing Inc, Billerica, MA 01821, USA.
Baker Hughes EMEA, Shannon, Co. Clare, Ireland
0794
SGS Baseefa
1180
KEMA 01ATEX2051; IECEx KEM 09.0010
II 2 G Ex d IIC T6 Gb -40°C < Tamb < +70°C
Buffer Length
0" / 2" / 6" / 10"
2" / 6" / 10"
2" / 6" / 10"
2" / 6" / 10"
2" (SS only) / 6" / 10"
6" / 10"
6" / 10"
10"
Buffer Length
0" / 2" / 6" / 10"
2"
6" / 10"
BWT Transducer Body
Temp. Class
T6
T5
T4
T3
T2
T1
580°C
615°C
BWT™ System Installation Guide