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Bosean BH-90A Portable CO Gas Detector

Brand: Bosean ● In Stock & Ready for Dispatch
Bosean BH-90A portable carbon monoxide gas detector for marine, offshore, industrial, and confined space safety monitoring.
The Bosean BH-90A is a portable single gas detector designed for accurate carbon monoxide monitoring in marine, offshore, industrial, and confined-space applications.

The Bosean BH-90A Portable Single Gas Detector (CO) is a compact, diffusion-type gas detector designed for continuous monitoring of carbon monoxide (CO) in industrial, marine, and confined-space environments. Equipped with a high-performance electrochemical sensor, the BH-90A provides fast and accurate CO concentration measurements, helping protect personnel from hazardous gas exposure. Its rugged, explosion-proof design, multiple alarm modes, rechargeable lithium battery, and simple operation make it suitable for daily personal safety monitoring in demanding workplaces.

Technical Specifications

SpecificationDetails
Product ModelBosean BH-90A Portable Single Gas Detector (CO)
Gas DetectedCarbon Monoxide (CO)
Detection MethodNatural diffusion
Sensor TypeElectrochemical sensor
Measuring Range0–1000 ppm
Resolution1 ppm
Accuracy≤ ±5% Full Scale (F.S.)
Response Time (T90)<30 seconds
Low Alarm Set Point50 ppm (adjustable)
High Alarm Set Point150 ppm (adjustable)
DisplayLCD display showing gas concentration, alarm status, battery level, and operating status
Alarm MethodsAudible buzzer, high-brightness LED, and vibration alarm
Alarm Sound Level≥75 dB
Self-Test FunctionAutomatic sensor and device self-check on startup
Battery TypeRechargeable 3.7 V Lithium-ion battery
Battery Capacity1500 mAh
Continuous Operating Time≥8 hours
Charging Time4–6 hours
Operating Temperature-20°C to +50°C (CO version)
Operating Humidity<95% RH (non-condensing)
Protection RatingIP65
Explosion ProtectionEx ib IIB T3 Gb
Housing MaterialHigh-strength ABS engineering plastic with anti-slip rubber coating
Dimensions100 × 60 × 30 mm
WeightApproximately 130 g (including battery)
Sensor Service LifeApproximately 2 years (typical)
Low Battery WarningYes
CalibrationUser-adjustable calibration and alarm settings
ApplicationsIndustrial safety, confined space entry, oil & gas, mining, chemical plants, boilers, parking garages, warehouses, and environmental monitoring.

Frequently Asked Questions

What is the standard delivery lead time for Bosean BH-90A Portable CO Gas Detector?
For standard stocked units, we provide same-day or next-day launch delivery to Singapore anchorages, Jurong port, and shipyards. For international vessels, we dispatch worldwide via DHL/FedEx Express air freight with 2 to 4 business days delivery.
Does this equipment include calibration certificates?
Yes. All portable and fixed detectors, UTI meters, and monitoring instruments supplied or calibrated by Ship Care Service include manufacturer inspection reports and traceable international calibration test certificates.
Are genuine spare parts and replacement sensors available for this model?
Yes, we maintain an extensive inventory of original manufacturer sensors, PCB motherboards, sampling pumps, filters, and sealing kits specifically for Bosean.
How can I request a commercial quotation?
Simply fill out the Request a Quote form on the right or click "Chat on WhatsApp". Our marine sales engineering desk provides firm commercial quotes with lead times within 2 to 4 hours.
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Need Bosean BH-90A Portable CO Gas Detector or Spare Parts?

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