**Product Specifications:**

**Brand:** BeiHai

**Model:** PLT840

**Weight:** 300g

**Display Error:** ≤±5%FS

**Response Time:** T<30s

**Charging Time:** 4h-6h

**Sensor Lifespan:** 2 years

**Protection Level:** IP65

**Gas Types:** EX, H2S, CO, O2

**Resolution:** 1%LEL, 1ppm

**Operating Voltage:** DC3.7V (1800mAh lithium battery)

**Standby Time:** 20 hours

**Detection Range:** 0-100%LEL, 0-100ppm

**Voice Alert:** Real-time human voice prompts for gas concentration and battery status

**Language:** Chinese, English

**Features:** Triple alarm system, dual language support, durable design, stainless steel clip, high-grade PPT engineering plastics packaging

**Applications:** Suitable for pipeline operations, chemical plants, research experiments, oil exploration, archaeological work, agricultural monitoring

**Certifications:** CE, RoHS

**Manufacturer:** Shenzhen Putong Electronic Technology Co., Ltd.

**Contact:** 400-886-3020

**Additional Information:** GasDetector is a versatile gas detection device designed for various industrial and commercial applications. It features sensitive sensors, triple alarm system, durable construction, and user-friendly design. The product is backed by rigorous testing and quality control processes to ensure accurate and reliable performance.