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China BT-CAHG300-4 Portable Industrial Multi Gas Analyzer - Reliable Suppliers & Factory for CO H2S O2 EX Detection
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China BT-CAHG300-4 Portable Industrial Multi Gas Analyzer - Reliable Suppliers & Factory for CO H2S O2 EX Detection

Introducing the BT-CAHG300-4 lightweight handheld gas detector, designed for reliable industrial use. Weighing just 250g and measuring 147×71×33mm, this compact device is perfect for detecting toxic and flammable gases in various settings, including chemical plants, oil depots, and boiler rooms. The multi-gas monitor supports different sensor types and features auto zero adjustment along with self-diagnosis capabilities. With two customizable alarm thresholds and an impressive 200-hour standby time, the BT-CAHG300-4 ensures stable performance even in challenging conditions (86~106kPa). As a trusted supplier in China, our factory guarantees high-quality products that meet the needs of safety professionals worldwide
  • Product Name Portable Gas Detector
  • Model Number BT-CAHG300-4
  • Detected Gases Toxic and hazardous gases
  • Detection Principle Electrochemical, Infrared (IR), Photoionization (PID)
  • Sampling Method Diffusion
  • Power Supply Lithium battery DC3.7V/2000mA (over 200 hours of operation)
  • Detection Error <5% F.S.
  • Response Time <30 seconds
  • Operating Pressure 86~106 kPa
  • Dimensions 147 x 71 x 33 mm
  • Weight Approx. 250 g
  • Operating Environment Temperature -25°C to 55°C; Relative Humidity ≤95% RH (non-condensing)

The BT-CAHG300-4 is a high-performance, multi-functional industrial-grade portable gas detector. Utilizing advanced microprocessor technology and premium sensors, it simultaneously detects and displays concentrations of up to four gases. This product features a well-designed, user-friendly interface with high precision, rapid response, and stable reliability. It serves as an ideal tool for on-site safety monitoring and hazard warning in industries such as petroleum, chemical, gas, and firefighting, providing robust safety assurance for personnel.
Core Features
Multi-Gas Detection

Capable of configuring and monitoring up to four different gases in real time, such as combustible gases, carbon monoxide, ammonia, chlorine, hydrogen sulfide, oxygen, etc.

Intelligent Processing

Features an advanced low-power microprocessor with full self-diagnostic, self-repair, and automatic zero-point adjustment capabilities for simplified maintenance and enhanced data accuracy.

High Precision & Response

Detection error <±5% F.S., response time <30 seconds, ensuring timely and effective detection of hazardous gas leaks.

Rugged & Durable Design

Compact dimensions (147x71x33mm) and lightweight (approx. 250g) for use in harsh industrial environments. Wide operating temperature range (-25°C to 55°C) and humidity tolerance up to 95%RH without condensation.

User Safety Design

Features two-level alarm points, audible/visual alarms, and low-battery alerts to maintain optimal device performance. Intrinsically safe design for use in explosion-proof zones.

Long-lasting Battery Life

Equipped with a high-capacity 3.7V/2000mAh lithium battery, providing over 200 hours of continuous operation to meet extended task requirements.

Application Areas

The BT-CAHG300-4 is widely used in locations where combustible or toxic gases pose risks, including:

Petroleum Refining Chemical Production Gas Transmission & Distribution Energy & Power Generation Metallurgical Casting Firefighting & Emergency Rescue Wastewater Treatment Tunnel Construction
Frequently Asked Questions

Q: Which gases can the BT-CAHG300-4 detect?

A: The detector is capable of simultaneously monitoring up to four different gases, including combustible gases, carbon monoxide (CO), ammonia (NH3), chlorine (Cl2), hydrogen sulfide (H2S), oxygen (O2), and more, depending on your configuration.

Q: What is the battery capacity and operating runtime of this device?

A: It is equipped with a high-capacity 3.7V/2000mAh rechargeable lithium battery, which delivers over 200 hours of continuous operation to support long shifts and extended field tasks.

Q: How fast and accurate is the gas concentration measurement?

A: The BT-CAHG300-4 features high-precision sensors with a detection error of less than ±5% F.S. and a rapid response time of less than 30 seconds, ensuring prompt alerts for hazardous gas leaks.

Q: Can this gas detector be used in harsh industrial environments?

A: Yes. It is built with a rugged, intrinsically safe design for explosion-proof zones. It operates reliably in temperatures ranging from -25°C to 55°C and relative humidity levels up to 95%RH (non-condensing).

Q: What type of alarms and safety warnings does the device feature?

A: The device is designed with two-level alarm points, audible and visual alerts, and low-battery warnings to ensure operators are immediately notified of danger and that the device remains in optimal working condition.