Riken Keiki HS-04 Single Gas Detector

Overview

Riken Keiki HS-04 Single Gas Detector (Hydrogen Sulphide)

The Riken Keiki HS-04 Single Gas Detector is a compact, portable Hydrogen Sulphide (H₂S) gas detector designed for continuous personal safety monitoring in hazardous industrial and confined-space environments. Featuring a high-performance electrochemical sensor with diffusion sampling, the HS-04 delivers fast and accurate H₂S detection while offering exceptional durability, long battery life, and intrinsic safety certification. Its lightweight design, IP66/IP67-rated enclosure, and reliable alarm system make it an ideal choice for marine, offshore, oil & gas, wastewater treatment, chemical processing, and industrial maintenance applications.

Key Features of Riken Keiki HS-04

• Dedicated Hydrogen Sulphide (H₂S) monitoring

• High-performance electrochemical sensor

• Natural diffusion sampling

• Compact, lightweight, pocket-sized design

• Large LCD with real-time H₂S concentration display

• Audible, visual, and vibration alarms

• Approximately 9,000 hours continuous operation using two AAA alkaline batteries

• IP66/IP67-rated dustproof and waterproof enclosure

• Intrinsically safe for hazardous locations

• One-button operation for simple daily use

• Three-year sensor warranty

• Data logging capability

• Fast response with reliable measurement accuracy

• Rugged construction suitable for harsh industrial environments

Gas Type Detected

The Riken Keiki HS-04 is specifically designed to detect:

• Hydrogen Sulphide (H₂S)

Typical Measuring Range

• 0.0–100.0 ppm H₂S

• Display range extends up to 200 ppm depending on alarm indication.

Riken Keiki HS-04 Applications

The HS-04 is widely used in:

• Marine vessels

• Ship engine rooms

• Offshore platforms

• Confined space entry

• Oil & Gas facilities

• Petrochemical plants

• Chemical processing industries

• Refineries

• Wastewater treatment plants

• Mining operations

• Utility maintenance

• Fire & Rescue services

• Hazardous material response

• Industrial maintenance

• Personal safety monitoring

Why Choose Riken Keiki HS-04 Single Gas Detector?

The Riken Keiki HS-04 is engineered for dependable hydrogen sulphide monitoring in demanding industrial environments. Its long battery life, durable construction, compact size, and highly accurate electrochemical sensor provide reliable protection against H₂S exposure. With IP66/IP67 environmental protection, intrinsic safety certification, data logging capability, and Riken Keiki's proven sensing technology, the HS-04 is an excellent choice for marine, offshore, industrial, and confined-space safety applications.