Riken Keiki GX-9000H
Portable multi-gas detector for hazardous, hydrocarbon-rich atmospheres. Precise multi-gas monitoring, fast response and robust performance.

Riken Keiki
GX-9000H Portable multi-gas detector
The Riken Keiki GX-9000H is a high-performance portable multi-gas detector specifically designed for use in hazardous and demanding environments. Ideal for confined space entry, tank inspections and onboard safety applications, it provides reliable, simultaneous detection of multiple gases with exceptional accuracy.
Equipped with advanced sensor technology, the GX-9000H delivers fast response times and stable measurements, ensuring maximum safety for personnel at all times. Its robust and compact design makes it perfectly suited for harsh marine and industrial conditions, while the intuitive interface allows for easy operation even in critical situations.
Designed for durability and long-term use, the GX-9000H supports efficient maintenance and operational readiness — a trusted solution for professional gas monitoring where safety cannot be compromised.
Specifications
- Target gas
- C₂H₂, CH₄, Cl₂, CO, CO₂, H₂, H₂S, HCl, HCN, i-C₄H₁₀, NH₃, O₂, O₃, SO₂, VOC
- Sampling method
- Automatic sampling pump (suction type)
- Principle of detection
- New ceramic catalytic combustion, thermal conductivity, NDIR, electrochemical (potentiostatic), PID
- Type of alarm
- Gas alarm / fault alarm
- Alarm indication
- Visual (LED lamp), audible (buzzer), gas concentration display flashing
- IP rating
- IP66 / IP68
- Approvals
- Japan Ex, ATEX, IECEx, JIS
- CE marking
- EMC / ATEX / RoHS
- Power source
- Lithium-ion battery unit or dry battery unit (6 × AA alkaline batteries)
- Continuous operation
- Up to 25 hours (fully charged)
- Dimensions
- Approx. 158 (W) × 85 (H) × 132 (D) mm
- Weight
- Approx. 1.1 kg
- Operating temperature range
- -40 °C to +60 °C


