BS01

BS01
BS01
BELT HEAT FLUX SENSOR
The BS01 is a large-area flexible heat flux and
temperature sensor for in-situ evaluation of the
insulation value of pipes. With years of
experience put into the design, it is the
“standard” for pipe insulation testing for subsea
oil pipes.
193.5
25
13
T3
100
T2
40
T1
T4
195
1.2
7.
8.
9.
10.
11.
12.
13.
14.
7
1.
2.
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380
Figure 1
BS01 on pipe during in service testing.
3 Cabling, 4 Pipeline to be tested
5 BS01 mounted on pipeline (cover and springs
for fixation are not shown)
BS01 SPECIFICATIONS
Heat flux measurement:
Temperature measurement:
Flexibility:
Sensitivity (nominal):
Expected accuracy (to 50°C):
Temperature coefficient
of the calibration coefficient:
Temperature range:
Pressure range:
Cover dimensions:
3 separate heat flux
sensors
4 type K
thermocouples
30 mm minimum
radius
50 µV/Wm-2
within 2.5 %
INTRODUCTION
The BS01 contains three heat flux sensing areas
and four integrated temperature sensors.
Originally designed for “simulated service
conditions testing” for subsea oil pipelines, it can
withstand high hydrostatic pressures up to 110
bar and is (contrary to other sensors) completely
water-tight. The main development effort has
gone into the prevention of penetration of
moisture into the sensor at high pressures. With
other sensors not specifically prepared for the
high pressure, penetrated moisture will on the
long term lead to instability of the sensor
calibration.
The sensor is provided with a mounting set for
easy fixation, consisting of a cover and two
springs.
BS01 was originally designed by TNO TPD.
Scientific publication about this sensor: D.
Haldane (Heriot Watt University), F. van der
Graaf, A.M. Lankhorst (TNO TPD): A direct
Measurement System to obtain the Thermal
Conductivity of Pipeline Insulation Coating
Systems under Simulated Service Conditions.
SUGGESTED USE

General pipeline insulation testing

Simulated service testing for subsea
pipelines
MORE INFORMATION / OPTIONS
Alternative designs: Hukseflux is specialised in
heat flux sensor design, and can offer sensors
with modified dimensions and specifications.
- 0.17 %/°C
0-100 °C
1-110 bar
140 x 360 mm
V ers io n 1003 (page 1 of 1 ) Huks ef lux re serv es the r ig ht to alter s pec if ic atio ns w ithout pr ior no tic e
H UKS EFL UX ™ THER MAL S ENSORS . WW W .HU KS EFLU X .CO M . INFO @HU KS EF LU X.CO M
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