Bosean BH 60

Bosean Bh-60 Fixed Lel Gas Detector fixed gas detector adopts advanced catalytic gas sensor or electrochemical sensor,
which can translate the gas concentration in the air to the digital signal output.
Bosean Bh-60 Fixed Lel Gas Detector chemical plant, LPG station,
boiler room, painting plant and other places with gas exists.

Gas Detected	Ex, O2, CO, H2S, CH4, NH3, CL2, HCL, H2, NO, NO2, NOX, CH2O, O3, CO2, SO2, ETO, PH3, HCN, N2, HF
Detection principle	catalytic or electrochemical or PID’s or infrared principles
Sampling Method	wall, pipeline, flow-through (with the monitoring of the environment-related)
Resolution	1%LEL, 0.1ppm, 1ppm, 0.01%vol
Precision	＜5% F.S.
Output signal	4-20mA ,0-5V, RS485, relays, wireless digital (optional)
Response Time	≦30S
Recovery Time	≦10S
Repeatability	≦±1%
Linearity error	≦±1%
Zero shift	≦±1% (FS / year)
Display Technology	Display high brightness LED display
Connection mode	G1 / 2 male proof hose pipe thread size Thread size M45 * 2mm
Working temperature	-20℃-55℃
Explosion-Proof	Ex d II CT6
Working voltage	DC 24V
Dimensions	190×150×95mm
Cable requirement	4-20mA, RVVP, 3-line, ≧1.5 mm2
Cable requirement	Modbus, RVVP, 4-line, ≧1.5 mm2

S.No.	Gas	Range	Detection Accuracy	90% Response Time	Minimum Readout	Alarm Set Point Low/High
1	PH3	0-2000ppm	±5%(F.S)	≦25s	0.01ppm	0.3/5ppm
2	O2	0-30%vol	±5%	≦15s	0.10%	19.5%/23.0%
3	EX	0-100%LEL	±5%(F.S)	≦5s	1%LEL	25.0%/50.0%LEL
4	CO	0-1000ppm	±5%(F.S)	≦25s	1ppm	50ppm/100ppm
5	CO2	0-5000ppm	±5%(F.S)	≦25s	1ppm	1000ppm/2000ppm
6	H2S	0-100ppm	±5%(F.S)	≦30s	1ppm	10ppm/20ppm
7	NO2	0-20ppm	±5%(F.S)	≦25s	0.1ppm	3ppm/10ppm
8	NO	0-250ppm	±5%(F.S)	≦60s	1ppm	25ppm/50ppm
9	SO2	0-100ppm	±5%(F.S)	≦30s	0.1ppm	2ppm/10pppm
10	CL2	0-20ppm	±5%(F.S)	≦30s	0.1ppm	1ppm/10ppm
11	NH3	0-100ppm	±5%(F.S)	≦50s	1ppm	25ppm/50ppm
12	H2	0-1000ppm	±5%(F.S)	≦60s	1ppm	50ppm/10ppm
13	HCN	0-50ppm	±5%(F.S)	≦200s	0.1ppm	10ppm/20ppm
14	HCL	0-20ppm	±5%(F.S)	≦60s	0.1ppm	5ppm/10ppm
15	CH4	0-100%LEL	±5%(F.S)	≦5s	1%LEL	25.0%/50.0%LEL

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