GaoPin NGP5-O2-A and Bosean BH-90M-O2 compare

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Model selection comparator If you have any questions, please click below Service	GaoPin NGP5-O2-A Fixed oxygen alarm In coming China Detail	Bosean BH-90M-O2 Gas Detector 648.0 RMB China Detail

Model comparison

Type	Portable	Portable
Number of Gases	Single gas	Single gas
Sensors	Electrochemistry
Gases	O2	O2
Sampling Mode	Diffusion Pump	Diffusion

Parameter comparison

Detect gas	Oxygen O2
Range	0~30%VoL
Resolution	0.01%vol	0.1%vol
Sensors principle	Electrochemistry
Display	LCD liquid crystal displayOn-site 1.7-inch high definition color screen display, optional on-site no display, or optional MIC2000 Controller remote display, control, alarm
Detection Accuracy	±3%F.S.
Sensors Life	2~ 3 years	2 years (depending on the environment)
Linearity	≤±2%
Repeatability	≤±2%
uncertainty	≤±2%
Response time	T90≤20s	T90<60s
recovery time	≤30s
Signal output	Bus system RS485 (RTU), three (four) wire system 4~ 20mA, optional: 0~20mA, 1~ 5V, 0~5V, 0~10V, wireless transmission, network transmission, SMS alarm
Operating Environment	Built-in Filter for High Humidity or High Dust environments	Temperature -10~55 ℃; Humidity < 95% RH No condensation
Display	LCD liquid crystal displayOn-site 1.7-inch high definition color screen display, optional on-site no display, or optional MIC2000 Controller remote display, control, alarm
Power Supply	12~ 30VDC DC, the standard Power Supply of a single device is 24V, 1A or greater than 1A DC regulated switching Power Supply24V, 2.1A switching Power Supply can drive 40 toxic Gas Detectors, or 15 combustible, infrared Gas Detectors
Power Supply	12~ 30VDC DC, the standard Power Supply of a single device is 24V, 1A or greater than 1A DC regulated switching Power Supply24V, 2.1A switching Power Supply can drive 40 toxic Gas Detectors, or 15 combustible, infrared Gas Detectors
Operating Mode	Fixed installation, online detection, diffusion measurement; optional pipeline, flow, pump suction measurement
Installation method	Wall-mounted, pipeline type
Alarm mode	Default 1 channel, optional 2 passive touchpoint (dry node) output, three-level alarm, alarm point can be set. On-site sound and light alarm (optional)
Connecting cable	4~ 20mA choose three-core Shielding cable, RS485 choose four-core, when the distance exceeds 1000 meters, the single Wire diameter is ≥ 1.5mm; Shielding is connected to the earth
Protection level	IP65
Explosion-proof sign	flameproof typeExia II CT6, Certificate number: CNEx15.1283	ExibIICT4Gb
Explosion-proof sign	flameproof typeExia II CT6, Certificate number: CNEx15.1283	ExibIICT4Gb
Dimensions	21017085mm
Weight	1.8Kg	≤ 172G (without portable accessories)
wireless transmission	Optional function, you can wirelessly transmit data to mobile phones, remote monitoring centers, monitoring computers and other monitoring equipment, and use the host computer to perform Data analysis, storage, printing and other functions on the computer
Operating temperature	-40~70℃
Environmental humidity	≤10~95%RH

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