Industrial online explosion-proof audible and visual gas alarm detector for combustible and toxic gas detection - GQB-200A9

Gas alarm detector, 120dB spot alarm, 3+2 digital LED display, 4-20mA/RS485 alternative, Lifetime readable /imported sensor - more info check here: http://www.buymeasuringtools.com/Industrial-online-explosion-proof-audible-and-visual-gas-alarm-detector-for-combustible-and-toxic-gas-detection-10290571/

Quick Brief

Place of Origin: Heilongjiang China (Mainland) Brand Name: EAST Model Number: GQB-200A9 material of shell: magnalium material of lamp cover: polytetrafluoroethylene Lifetime of detector: >3year T90: <15s Alarm of sound & light: 120dB red color alarm Explosion-proof grade: ExdIICT6 Protection grade: IP65/IP66/IP67 Detection gas: Combustible gas Detection range: 0-100%LEL Alarm concentration: adjustable

Specifications and Product Details:

Industrial online explosion-proof audible and visual gas alarm detector for combustible and toxic gas detection GQB-200A9

Performance and characteristics

1. full function of gas detection

2. Sensor lifetime readable

3. Multi-sensor design, applied for extreme environments

4. Importing sensor with original package

5. Double-window LED display with 3+2 digits

6. High brightness LED instruction( clearly seen in 10 meters)

7. Output of 4-20mA,Rs485( optional)

8. All stainless steel, 120dB sound with explosion-proof sound&light alarm

Certificates

1.one patent of practical new technique.

2.two patents of appearance technique.

3.fire control type approval of the ministry of public security.

4.National explosion-proof electric inspection.

Characteristics of sensor

1.plug and play

2. High concentrations protection (applies only to catalytic sensor)

3. High precision & wide range hardware VGA (variable gain amplifier) avoids the sensitivity decrease brought only by software amplification.

4. Each probe contains a extra temperature sensor to compensate the impacts to gas sensor by temperature.

5. Artificial intelligence compensation technology makes reading more smooth and stable.

6. Sensor lifetime system from the viewpoint of sensor helps the user know whether the sensor need to replace or not.

7. Double output of current completely satisfy the requirements of Dual-use machine.

Technical parameters

Sensor type	Catalysis sensor
Operating current	<400mA
Operating voltage	DC24V±5V
Signal outputs	4-20mA,RS-485(optional)
display	3+2 LED display 3-color LED status light
Relay output	AC220V/3A DC24V/3A
Detection gas	Combustible gas
Detection range	0-100%LEL
Alarm concentration	adjustable
T90	<15s
Detection precision	3%
Zero drift	2%/year
Lifetime of detector	>3year
Allowable application areas	Hazardous location zone I & II
Alarm of sound & light	120dB red color alarm
Ambient condition	Outdoor usage
Relative humidity	10~95%RH(Non condensation)
Atm press	86~106Kpa
Operation temperature	-40ºC~+70ºC
Storage temperature	-40ºC~+85ºC
Transmission cable	Three-core shielding line; Wire diamete 1~1. 5 mm²
Transmission range	≤2Km(4-20mA); ≤1.2Km(RS485);
Electric connector	M20*1.5(cast Al)
Explosion-proof grade	ExdIICT6
weight	2.5kg(cast Al)
Protection grade	IP65/IP66/IP67

Standard configuration

FSG-103 explosion-proof audible & visual alarm; Signal adjustor (one for five pieces), installation support; sun visor; environmental protection; user manual; gland nut; certificate of quality.

Selective configuration

Calibrating gas; flow meter; reducing valve; breather pipe.