Bosean BH-90-H2 and Bosean BH-90M-H2 compare

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Model selection comparator If you have any questions, please click below Service	Bosean BH-90-H2 Gas Detector 999.0 RMB China Detail	Bosean BH-90M-H2 Gas Detector 1080.0 RMB China Detail

Model comparison

Type	Portable	Portable
Number of Gases	Single gas	Single gas
Sensors	Catalytic combustion
Gases	H2	H2
Sampling Mode	Diffusion	Diffusion

Parameter comparison

type	Portable
Detect the amount of gas	single gas
Sensors principle	Catalytic combustion
Detect gas	hydrogen
Sampling method	DiffusionDiffusion
Range	0~1000ppm
Resolution	1ppm	1ppm
Sampling method	DiffusionDiffusion
Display	12864 dot matrix display
alarm method	Sound, light, vibration.
alarm characteristics	Alarm light: red LED flashing alarm, ≥ 20m alarm sound: buzzer alarm ≥ 75dB vibration alarm
Operating temperature	-20℃～50℃
Power Supply	3.7V rechargeable lithium battery
Sensors Life	2 years	2 years (depending on the environment)
Charging time	4h-6h	4~6h
Data Logging	1000 sets of alarm records
standby time	Work continuously for more than 8 hours
password protection	With password protection function and password modification function (default password 8888)
recovery operation	Support factory calibration function and factory parameter setting function
Explosion-proof sign	Exib IIB T3 Gb	ExibIICT4Gb
Support for Sensors	Supports more than 30 types of Sensors, flexible configuration, and can be customized according to customer needs
Additional features	Flashlight
Operating humidity	0-95% RH (non-condensing, humidity greater than 90% RH, need to be equipped with filtrate drying cylinder)
Shell material	ABS
Dimensions	109x60x30mm
Color options	Blue, yellow, orange.
alarm point	Low: 50ppm, High: 150ppm	It can be set manually, and the default alarm points for different gases are different.
display error	≤±5%FS
Response time	T<60s	T90<60s
Instruction method	LCD display real-time data and system status, Light Emitting Diode, sound, vibration indication alarm, fault and underVoltage	LCD Real-time Data Display, System Status Light Emitting Diode, Sound, Vibration Indication Alarm and Low Battery Prompt
Working Voltage	DC3.7V (lithium battery Capacity 1500mAh)	DC3.7V (lithium battery)
Protection class	IP65
Weight	About 130g (excluding portable accessories)	≤ 172G (without portable accessories)
Measurement Certificate number	Yuji 01000158
optional range	0~5000ppm

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