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.

GAScan G1 series comprises:

- Model G1

- Model G1Max

- Model GTYQ-G1

- Model GTYQ-G1Max

Download G1 (English)

Download G1 (Chinese)

Download G1Max (English)

Download G1Max (Chinese)

Download GTYQ-G1 (English)

Download GTYQ-G1 (Chinese)

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.

Download GTYQ-G1Max (English)

Download GTYQ-G1Max (Chinese)

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; HART as optional.

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 , HART (option)

Modbus RS 485

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

Sampling method Diffusion type or Pump 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)