© Sensorlink Swarm AS 2021
5 Swarm S2 product overview
The Swarm S2 System and all its components are intended to be used in outdoor industrial environment and to be
installed on pipelines and vessels with the purpose to monitor metal loss of the pipe/vessels walls. The equipment is
intended to be used in wet environment complying to IP65.
The main specifications of the system are:
Operating voltage 7,2VDC
Current consumption 80mA active/0.12mA idle
Frequency of UT sensor 4-5MHz
Relative humidity Up to 100%
Max altitude 2000m
Operating Temperature range -40 until 70°C
Pollution degree (environment) 4 (industrial)
Protection grade IP65
Hazardous classification Zone 1 (IEC Ex (ATEX) Exib IIB T4)
Battery life 3-5 years (one measurement per day)
Swarm S2 has two basic configurations, Low Temperature version (LT) and High Temperature version (U)HT. The only
difference between the two is the interface to the sensors, as can be seen from the images on the next pages indicating
the different connector interfaces. Both the LT and the (U)HT Dataloggers come in two basic variants one with only
Bluetooth® interface and one with Bluetooth® and ISA100 wireless interface.
The system can be supplied with 3 different sensor types:
− Swarm S2 LT Sensor, handling temperature from -40°C to +150°C.
− Swarm S2 HT Sensor, handling temperature from -+150°C to +380°C.
− Swarm S2 UHT Sensor, handling temperature from +350°C to +550°C.
In this respect the temperature given is indicative of the surface temperature of the pipe onto which the sensor is
mounted. For the LT and HT, they will though handle ambient temperatures up to the limit.
The Swarm S2 datalogger is equipped to measure up to 4 UT sensors simultaneously allowing for easy installation and
monitoring of top and bottom of line corrosion in addition to any other relevant locations, like for example any known
phase transitions (liquid/gas) that may occur in the pipe. Or one can apply up to 4 sensors along a bend to monitor
erosion in bend.
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