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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 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 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 4350 : Carbon Dioxide Gas Sensor

The GDA 4350 is a 3 wire 4-20 mA Non Dispersive Infra red (NDIR) Carbon Dioxide sensor. It gives a 4-20 mA o/p over the range of the sensor. It is housed in an IP65 ABS plastic case with an IP60 aperture for the gas path. It uses laser LED to give reliable performance. Calibration for non critical safety applications is every 3 years. There is a low temperature version (suffix LT) which operates from - 25°C to 30°C and a process version (suffix -P) on the ranges 5, 20, 100% vol with a stainless steel 5/8” BSP connection.

DESIGNED, MANUFACTURED and SUPPORTED by GAS DETECTION AUSTRALIA.

GDA 4360 : Flush Mount Carbon Dioxide Gas Sensor

The GDA 4360 is a 3 wire 4-20 mA Non Dispersive Infra red (NDIR) Carbon Dioxide detector. It gives a 4-20 mA o/p over the range of the sensor. Designed for applications where low profile intrusion into a room space is required. The unit fits into a GPO Clipsal spacing using P clamps. It uses laser LED to give reliable performance. Calibration for non critical safety applications is every 3 years. There is a low temperature version (suffix LT) which operates from - 25°C to 45°C.


DESIGNED, MANUFACTURED and SUPPORTED by GAS DETECTION AUSTRALIA.

GDA 7228 : Flush Mount Oxygen Gas Sensor

The 7228 Flush Mount 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. It is designed to fit into a Clipsal double gang GPO wall mount. The total protrusion from the wall is 13 mm; the sensor head and its electronics are housed in a metal enclosure giving it excellent RFI and EMC compatibility.

DESIGNED, MANUFACTURED and SUPPORTED by GAS DETECTION AUSTRALIA.

GDA 40127 : Carbon Dioxide Gas Detection Controller (4-20 mA o/p)

The GDA 40127 is an integrated, wall mounted single gas detector control unit for Carbon Dioxide detection with a display. The carbon dioxide detector is a Non Dispersive Infra Red gas detector. The unit has 2 user relays which can be programmed to operate at any level within the gas detectors operational range. Additional to this there is an independent fail safe fault relay. There is an additional o/p to drive a 24 VDC sounder / flasher AVR20Y/R which can be muted from the front panel. The alarms are indicated on the display and by flashing LEDS. The unit has a 4-20 mA o/p. There is also a facility for modbus connection which can be added to the gas GDA 40127.

DESIGNED, MANUFACTURED and SUPPORTED by GAS DETECTION AUSTRALIA.

GDA 4011 : Flush Mount Single Channel Controller

This is a flush wall mounted (Clipsal GPO) single channel control unit. It interfaces to all the GD a series of 4-20mA sensors. There are 3 relay o/p’s, Alarm 1, 2, and fault. These relays are SPCO. The backlit LCD display indicates current gas concentration and alarm status. There is an internal sounder which can be muted from the front panel. The unit requires 24v dc.

DESIGNED, MANUFACTURED and 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/ps. 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 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 mA, 0-20 mA, 0-5 V or 0-10 V 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 front panel push buttons. The unit requires 240 VAC.

DESIGNED, MANUFACTURED and SUPPORTED by GAS DETECTION AUSTRALIA.

M2001 : Flush Mount Mimic Panel

The M2001 is a low profile flush wall mounted MIMIC panel. These units are used on multi entry rooms so that users may view the gas levels and alarm status of each entry point for entering the room The M2001 is used in conjunction with the GDA 4020 AND GDA 2400 control unit. The M2001 derives its power and RS485 communications from the 4020/ 2400. The unit’s backlit LED display shows the real time concentration of the gas sensors connected to the 4020/ 2400 and any alarms that occur. The M2001 has an inbuilt sounder which can be muted from the front panel. The unit has two alarm relays which activate and deactivate in conjunction with the alarm status of the 4020 and 2400 control panel.

DESIGNED, MANUFACTURED and SUPPORTED by GAS DETECTION AUSTRALIA.

REP 2016 : Repeater Panel

The GDA Dual Channel Repeater Panel allows for simple replication of the alarm and system status of all GDA gas detection controllers by visual and auditory indicators. GDA Repeater Panels run from the same power supply as the GDA’s controllers and multiple Repeater Panel and be run from the same controller to show the alarm information in multiple locations. The number of daisy-chained Repeater Panels is limited by the capabilities of the system’s power supply. The Repeater Panel can be run in conjunction with GDA’s AVR20 sounder flashers.

MS001 : Flush Mount Mute Switch

The MS001 uses one of the alarm SPCO relays from the GDA 4020, GDA 4011, or GDA 2400 to drive the AVR-20R/YM sounder- flasher. The sounder- flasher can be muted by incorporating the MS001 into the o/p switched 24 VDC from the control panel. The sounder will sound when a gas alarm occurs and continue sounding until either the alarm level falls below its threshold value or the MS001 button is pressed. The Mute function automatically resets when the alarm condition terminates.

DESIGNED, MANUFACTURED and SUPPORTED by GAS DETECTION AUSTRALIA.