Fixed Conventional Gas Detector

... with wide range of SMART plugged-in sensors 

Model GAScan G1 series

GAScan G1 series is one of GDS latest inclusion in our product range, providing a complementary solution to our customers, with a wide range of fixed conventional gas detectors, with our unique SMART plug-in design type of gas sensors, for detection of many gases; including combustible gases C1 - C10, oxygen, and many toxic gases.  For a full range of toxic gases, please contact us.

 Features:

​​

plug-in SMART feature

to ensure reliable, and ease of installation, testing and commissioning of detector at site

Wide selection of gas sensors

for user selection and choices, to meet various demands and  

applications in many market sectors. 

All-weather venturi-type gas inlet 

has proven to yield effective sensor response and long-sensor life beyond expectations

Built-in Temp / Humidity sensors

to ensure accurate and real-time compensation in measurements under all weather conditions

  • 4 - 20 mA analog and MODBUS RS485 output.

  • stable and accurate measurements highly resistance to humidity interference.

  • Explosion proof EEx d IIC T6 for hazardous application.

  • With unique venturi-designed all-weathered gas inlet for improved and effective draw in sample gas.

  • Contactless Infra-red interface for non-intrusive access to menu.

  • Large LED display

 Specifications:

 

Sensor type                              Catalytic combustion CC type

                                                 Electro-chemical EC type

Sensor gas-type                       Flammable: C1 Methane (Standard) , C2, C3, C4, C5

                                                 Common: Oxygen, CO, H2S, NH3, Cl2, CO2

                                                 Exotic: ETO, CH3-OH, VCM, O3, H2, HCl, HCN, HF, ClO2, Phosgene

                                                             SO, NO, NO2

                                                             NOTE: for other toxic gases not listed, please consult manufacturer

Range / (Optional Ranges)      Flammable:      0 - 100% LEL (standard)  /  (0 - 100 %VOL)

                                                 Oxygen:            0 - 30% VOL / (25% VOL)

                                                 Common Toxic gases:

                                                 CO:                   0 - 1,000 ppm / (2,000 , 3,000, 5,000 ppm)

                                                 H2S:                 0 - 100 ppm / (200, 500, 1,000 ppm) 

                                                 NH3:                 0 - 100 ppm (200, 300, 500, 1,000 ppm)

                                                 Cl2:                   0 - 20 ppm / (50, 100 pm)

                                                                           NOTE: for other range not listed, please consult manufacturer

Self-test                                    Built-in self-testing     

Relay contacts                         SPST dry contact for Relay (connected with audible/visual alarms or drive
                                                 exhaust device).

LEDs Alarm                             Built-in alarm LEDs; Yellow and Red

Response Time                       See user manual for T90 response time for specific sensor.

EX Approval                            ATEX II 2G Ex d IICT6Gb

IP Rating                                 IP66                  

Power                                     16~30V DC.                              

Cable                                     3 or 4 active wires screened between detector and centralized unit. 3×1.5mm2
                                               for 4-20mA signal OR 4*1.5mm2 for RS485 signal, external diameter ≥ 10mm

Output                                    4 - 20 mA                                  

                                               Modbus RS 485                     

                                               SPST relay contact (connected with audible/visual alarms or drive exhaust device).

Sampling method                  Diffusion type; gas inlet with unique venturi-type design

Display                                  Large LED 

User interface                       Non-intrusive using Infra-red interface to access menu.

Operating Cond.                  Temperature:-20℃~+60℃ Humidity: < 90%(without condensation)                                

Physical Data                        Weight: 1200g.                                

                                              Dimension: L 114 x D 125 x H 166 (mm)

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GDS INSTRUMENTS PTE LTD

33 Ubi Avenue 3, Unit 05-28,

Vertex Building Tower B

Singapore 408868.

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