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AVR 20 : Alarm Flasher and Sounder

This sounder/flashers operates at 24VDC. The sounder can be permanently disabled so that unit acts as a flasher only. These units are designed for internal use. These are available in Red or Amber.

GDA 2300 : MODBUS Gas Detection Sensor

The GDA 2300 series board is a slave MODBUS interface board that can read from a 2500 series sensor head and/or a 4-20 mA sensor input. The slave device can communicate MODBUS RTU with a baud rate of 9600 or 19200 bps and can have up to 32 devices on a single MODBUS line. The device support the functions ‘Read Holding Register’ (0x03) to read the concentration of the sensors and ‘Write Single Register’ (0x06) to control the 2 output relays from the MODBUS Master. The calibration of the device is easily done with span and zero push buttons that are mounted on the board.

GDA 2525 : Carbon Monoxide Gas Sensor (0-100 ppm, 0-150 ppm, 0-200 ppm, 4-20 mA o/p)

The GDA 2525 carbon monoxide gas sensor is a 2 wire 4-20 mA Loop Powered device. It has an electrochemical carbon monoxide sensor unit which is temperature compensated. The carbon monoxide sensor element is on a pluggable lead to allow ease of replacement. The carbon monoxide gas sensor comes with user selectable ranges 0-100ppm, 0-150ppm and 0-200ppm. The carbon monoxide gas sensor electronics are housed in a robust ABS sun tolerant plastic enclosure rated IP65; the sensor head and its electronics are housed in a metal enclosure giving it excellent RFI and EMC compatibility. The sensor head is fitted with a splash proof cover giving an IP62 rating. 

DESIGNED, MANUFACTURED and SUPPORTED by GAS DETECTION AUSTRALIA.

GDA 2526 : Ammonia Gas Sensor (0-100 ppm, 4-20 mA o/p)

The GDA 2526 Ammonia gas sensor is a 2 wire 4-20 mA Loop Powered device. It has an electrochemical sensing unit which is temperature compensated. The sensor element is on a pluggable lead allow ease of replacement. The ammonia gas sensor electronics are housed in a robust ABS sun tolerant plastic enclosure rated IP65; the sensor head and its electronics are housed in a metal enclosure giving it excellent RFI and EMC compatibility. The sensor head is fitted with a splash proof cover giving an IP62 rating.
DESIGNED, MANUFACTURED and SUPPORTED by GAS DETECTION AUSTRALIA.

GDA 2528 : Oxygen Gas Sensor (0-25% Vol, 4-20 mA o/p)

The 2528 Oxygen gas sensor is a 2 wire 4-20 mA Loop Powered device with a range of 0-25% vol Oxygen. It has an electrochemical gas sensing unit which is temperature compensated. The gas sensor element is on a pluggable lead allow ease of replacement. The oxygen gas sensor electronics are housed in a robust ABS sun tolerant plastic enclosure rated IP65; the sensor head and its electronics are housed in a metal enclosure giving it excellent RFI and EMC compatibility. The sensor head is fitted with a splash proof cover giving an IP62 rating.

DESIGNED, MANUFACTURED and SUPPORTED by GAS DETECTION AUSTRALIA.

GDA 2625 : Carbon Monoxide Gas Sensor (0-100 ppm, 0-150ppm, 0-200 ppm, 4-20 mA, 0-5 V, 0-10 V o/p)

The GDA 2625 Carbon monoxide gas sensor is a further enhancement of the GDA 2525 Carbon monoxide gas sensor that allows AC and DC operation as well as providing the option of 4-20 mA, 0-10 V, and 0-5 V  operation. The additional voltage o/p can be used on BMS systems that use voltage inputs as opposed to current input. It has an electrochemical gas sensing unit which is temperature compensated. The gas sensor element is on a pluggable lead to allow ease of replacement. The carbon monoxide gas sensor electronics are housed in a robust ABS sun tolerant plastic enclosure rated IP65; the sensor head and its electronics are housed in a metal enclosure giving it excellent RFI and EMC compatibility. The sensor head is fitted with a splash proof cover giving an IP62 rating.

DESIGNED, MANUFACTURED and SUPPORTED by GAS DETECTION AUSTRALIA

GDA 2626 : Ammonia Gas Sensor (0-100 ppm, 4-20 mA, 0-5 V, 0-10 V o/p)

The GDA 2626 Ammonia gas sensor is a further enhancement of the GDA 2526 Ammonia gas sensor that allows AC and DC operation as well as providing the option of 4-20 mA, 0-10 V, and 0-5 V operation. The additional voltage o/p can be used on BMS systems that use voltage inputs as opposed to current input. It has an electrochemical gas sensing unit which is temperature compensated. The gas sensor element is on a pluggable lead to allow ease of replacement. The ammonia gas sensor electronics are housed in a robust ABS sun tolerant plastic enclosure rated IP65; the sensor head and its electronics are housed in a metal enclosure giving it excellent RFI and EMC compatibility. The sensor head is fitted with a splash proof cover giving an IP62 rating.

DESIGNED, MANUFACTURED and SUPPORTED by GAS DETECTION AUSTRALIA

GDA 2628 : Oxygen Gas Sensor (0-25% vol, 4-20 mA, 0-5 V, 0-10 V o/p)

The GDA 2628 Oxygen gas sensor is a further enhancement of the GDA 2528 Oxygen gas sensor that allows AC and DC operation as well as providing the option of 4-20 mA, 0-10 V and 0-5 V operation. The additional voltage o/p can be used on BMS systems that use voltage inputs as opposed to current input. It has an electrochemical gas sensing unit which is temperature compensated. The gas sensor element is on a pluggable lead to allow ease of replacement. The oxygen gas sensor electronics are housed in a robust ABS sun tolerant plastic enclosure rated IP65; the sensor head and its electronics are housed in a metal enclosure giving it excellent RFI and EMC compatibility. The sensor head is fitted with a splash proof cover giving an IP62 rating.

DESIGNED, MANUFACTURED and SUPPORTED by GAS DETECTION AUSTRALIA

GDA 3000 : Explosion Proof (IEC Ex) Methane/Propane/Butane/Carbon Dioxide Gas Detector

This Infra red sensor is certified for use in Zone 1 Hazardous areas within Australia. The sensor is certified IEC Ex. It operates from 24 VDC and gives a 4-20 mA o/p over the range 0-100% LEL of the gas to which it is calibrated to. The sensor also has two users settable alarm points with the associated output SPCO relays as well as a dedicated FAULT relay .The unit can be programmed and calibrated without opening. The display indicates the gas level reading. It is fitted with a sensor splash cover giving a head IP rating of IP66. The sensor is available for use with specific hydrocarbon gases and also CO2. The sensor has 2 user programmable alarm relays with volt free contacts as well as a fault relay with volt free contacts.

FULLY TECHNICALLY SUPPORTED by GAS DETECTION AUSTRALIA.

GDA 4020 : Two Channel Controller

The GDA 4020 control unit has 2 x 4-20 mA i/p with 3 associated programmable relay alarm levels per sensor. There is an independent fault relay. There are 3 x analog o/p’s which can be configured for either channel as 4-20 mA, 0-20 mA, 0-5 V or 0-10 V. The controller has an isolated RS485 o/p which can be configured to drive modbus or an interface to the M2001 mimic panel. All configurations are carried out via the front panel push buttons. The unit requires 24 VDC.

DESIGNED, MANUFACTURED and SUPPORTED by GAS DETECTION AUSTRALIA.

GDA 2400 : Multiplexed 8 Input Controller

The GDA 2400 control unit can take up to 8 x 4-20 mA I/P's. The controller selects the highest reading from the sensors and displays the highest reading of gas from the sensors. This controller is used when ALL the gas sensors are the same type. It is particularly useful in Periphery monitoring and CAR PARK Ventilation control. There are 3 x programmable relay alarm levels. There is an independent fault relay. There are 3 x analog O/P’s which can be configured for either channel as 4-20, 0-20 mA, 0-5 or 0-10 V (with resistor) O/P’s. The controller has an isolated RS485 O/P which can be configured to drive modbus or an interface to the M2001 mimic panel. All configurations are carried out via the push buttons located on the rear of the control board. The unit requires 240 VAC.

DESIGNED, MANUFACTURED and SUPPORTED by GAS DETECTION AUSTRALIA.

SMS 320 : Alarm Broadcast SMS Unit

The GDA SMS message is designed to send a SMS text to 3 individual mobile No's to inform of an alarm OR fault condition. The system has its own mains power unit and batteries back up to allow transmission of fault conduction in the case of power outages.

DESIGNED, MANUFACTURED and SUPPORTED by GAS DETECTION AUSTRALIA.