Đầu báo khí TGAS-1031

TGAS-1031 China Fixed gas detector, good quality

7,400,000₫

SKU: TGAS-1031 Categories: , Tags: , , ,
China

Description

TGas-1031  fixed explosion-proof gas alarm detector

Main features

  • Two kinds of optional mode of power supply, including centralized busbar type and independent area type
  • High and low concentration alarm, performing real-time monitor to gas
  • Anti-poisoning type gas sensor with high sensitivity
  • Automatic modification of ageing curve of sensor, keeping constant alarm sensitivity
  • Function of automatic recognition of sensor trouble, function of high concentration gas above-norm of sensor
  • Function of automatic detection at starting up, and it has advanced function of self-diagnosis and self-reparing.
  • The calibrated concentration value is adjustable, facilitating users to set by themselves
  • When the sensor loses the function of monitoring alarm because of ageing, the detector is capable of automatic recognition and alarm, so as to effectively avoid missing report

Brand

China

Specification

Technical parameters

Parameters Characteristics
Detectable gas Combustible vapour of liquids, including methane, LPG, coal gas and gasoline, etc., as well as poisonous and harmful gas
Measurement precision ±5%F.S
Repeatability 2%
Measurement range Refer to lectotype table for details
Drift Zero drift: ±2%F.S

Range drift: ±5%F.S
Response time <30s(T90)
Sampling method Diffusion
Working environment Temperature: -30°C to 60°C; humidity: below 85% (no coagulation)
Remote control mode By the adjustment mode by infrared remote control, the detector can be adjusted without opening of cover
4-20mA

output

 4-20mA output corresponding to 0-100%, maximum load 800 ohms
Alarm output The effective alarm is 1 point or 2 points; each alarm shall use SPDT electronic relay.

Contact rating of alarm relay:

Ohmic load: 5A@24Vdc or 120Vac or 240Vac

Inductive load: 50VA
Communication Communication description: two-Communication wire system parallel RS485 protocol, 32 points at most

Connection: Twisted pair with shield

Distance: maximum 1000m
Input voltage 24VDC±25%; power: 2W/way
Certificate Explosion-proof grade: ExdIICT5

Protection class: IP66
Using cable ≥2.5mm2×4  Screened cable line, outside diameter of cable is required to be between 6mm- 9mm

Lectotype table for detected gas (part gas)

Model Range Low alarm setting range High alarm setting range Low alarm point High alarm point
TGas-1031-FL 0-100%LEL 10%LEL-5%LEL 25%LEL-80%LEL 20%LEL 50%LEL
TGas-1031-CO 0-500ppm 25ppm-100ppm 100ppm-500ppm 35ppm 200ppm
TGas-1031-CO 0-1000ppm 25ppm-100ppm 100ppm-500ppm 35ppm 200ppm
TGas-1031-H2S 0-100ppm 5ppm-15ppm 15ppm-30ppm 10ppm 15ppm
TGas-1031-SO2 0-100ppm 1ppm-3ppm 3ppm-10ppm 2ppm 5ppm
TGas-1031-CL2 0-20ppm 3ppm-10ppm 5ppm-15ppm 5ppm 10ppm
TGas-1031-NH3 0-100ppm 20ppm-30ppm 30ppm-70ppm 25ppm 50ppm
TGas-1031-NO 0-250ppm 20ppm-50ppm 50ppm-100ppm 25ppm 50ppm
TGas-1031-NO2 0-100ppm 1ppm-2ppm 2ppm-5ppm 1ppm 2ppm
TGas-1031-HCN 0-30ppm 5ppm-10ppm 10ppm-15ppm 5ppm 10ppm
TGas-1031-PH3 0-1ppm 0.3ppm-0.5ppm 0.5ppm-0.8ppm 0.3ppm 0.6ppm

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