Gas Detection
The Basic and Basic+ gas detection units are
used for monitoring and warning of hazardous
gas concentrations. They can be used for
detecting commonly used refrigerants. The Basic and Basic+ gas detection units are intended to be connected to a central system like Gas Detection Controller Unit, or a PLC, by either Analog or RS485 open Modbus communications. The central system converts the alarm signal from the Basic unit to activation of alarm devices. The gas detection units come with a factory
default, 2-step alarm set-up ready for use. The
integrated software enables the user to
configure two individual alarm ranges. Alarm 1,
a pre-alarm indicating the gas level has passed
a predefined treshold 1, and – if the gas level
passes predefined treshold 2 – the final alarm 2.
Features and benefits
- Digital, factory configured and pre-calibrated gas detectors for plug-and-play installation (no adjustment required)
- Easy configuration via intuitive user-interface; helps simplify operator handling and minimize risk of operational, settings and calibration errors
- Flexible connection - by either Analog or RS485 open Modbus communications
- Fieldbus wiring - connect and power up to 96 sensors, wire length max. 900 meter per segment; expansion modules permits additional segments
- Automatic self-diagnostics to ensure correct communication and operation
- Sensor seal cap to prevent premature exposure during installation
- Digital user interface ensures higher sensor accuracy
- Reduced risk of false alarms due to temperature compensated sensors
- Password protected alarm settings allowing authorized access only
- LED status signals and alarms
- Buzzer & Light option for local audio and visual alarms (Basic+)
- On-board acknowledge button to reset alarms and to verify the that no gas leaks are present
- Service alerts on unit, controller or both, readable via service tool Display
- Quick and precise calibration procedures - either by Plug & Play replacement sensors or calibration with gas. No potentiometers or multi-meters required
- For improved safety and to optimize the lifetime of the sensor, degenerated sensors with too low sensitivity (<30%) are rejected during calibration process
- Conformity to EN 50271, EN 61010-1, ANSI/UL 61010 1, CAN/CSA-C22.2 No. 61010-1
- Enables regulatory compliance with EN 378:2016, ISO 5149:2014, IIAR 2-2017, and ASHRAE 15:2016