GTQ-DX401 Fixed Multi Gas Detector

1、Multi-gas detector:methane,oxygen,carbon monoxide and hydrogen sulfide;
2、Humanized GUl operation interface;Color LCD display;
3、Adopts advanced micro-power technology sensor; Adopt the latest semiconductor nanotechnology ultra-low power 32-bit microprocessor and 16-bit ADC data acquisition chip;
4、Large LCD display with backlight, can display gas concentration, type, unit, working status, etc.;
5、Standard RS485 signal: using standard MODBUS RTU protocol, transmission distance <1km; PPM, %VOL, mg/m3, μmol/mol, units can be switched;
6、Two-level alarm setting, two sets of relay passive signal output; The indicator light indicates the working status, normal, low alarm, highalarm, and fault;
7、Have explosion-proof certificate.
8、No calibration is required when replacing the sensor, and the key parameters of the sensor are identified automatically; The sensor has up to 5 levels of target point calibration function to ensure measurement accuracy and linearity;
9、Chinese and English can be switched;
10、It has overvoltage protection, lightning protection, short circuit protection, reverse connection protection, anti-static interference anti-magnetic field interference and other functions to prevent the detector from being damaged by external reasons, human factors. natural disasters, etc.;

Gas Type:
CH4 0~100%LEL~1%LEL
O2 0~30%VOL~0.1%VOL
CO 0~1000umol/mol~1 umol/mol
H2S 0~100umol/mol ~1 umol/mol
sensor: Support electrochemical, catalytic, semiconductor, PlD andinfrared gas sensors Diffusion
Relay: Two sets of relay outputs, contact capacity: 30V DC 3A/250V AC 3A
port: M20X1.5、G1/2
Operating humidity:≤95%RH,no dew
Explosion proof mark: II 2 G Ex db llC T6 Gb
Work Pressure: 86~106KPa