Industrial Safety Monitoring Solution – RIKEN KEIKI GD-70D | GD-70D Series
Where This Product Is Used
The RIKEN KEIKI GD-70D is engineered for demanding industrial environments where continuous, reliable gas detection is mission-critical. Typical deployment sites include:
- Oil & Gas Refineries – Continuous monitoring of combustible and toxic gases in confined spaces, pump stations, and processing units.
- Chemical & Petrochemical Plants – Detection of VOCs, H₂S, CO, and O₂ deficiency in reaction vessels and storage areas.
- Wastewater Treatment Facilities – Monitoring H₂S and methane in sewer entry and pump rooms.
- Shipbuilding & Marine Maintenance – Confined-space entry compliance for ballast tanks and engine rooms.
- Mining Operations – Real-time gas hazard assessment in underground tunnels and shafts.
- Utilities & Power Generation – Transformer room and substation gas leak detection.
- Construction & Tunneling – Worker safety monitoring during excavation and underground work.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | GD-70D |
| Series | GD-70D Series |
| Manufacturer | RIKEN KEIKI Co., Ltd. (Japan) |
| Detection Principle | Electrochemical / Catalytic combustion (model-dependent) |
| Display | LCD with backlight |
| Alarm Type | Audible, visual, and vibration alarm |
| Power Supply | Rechargeable Li-ion battery |
| Operating Temperature | -20°C to +50°C |
| Protection Rating | IP67 (dust-tight & waterproof) |
| Weight | Approx. 600 g (with battery) |
| Certifications | ATEX / IECEx / JIS (region-dependent) |
| Data Logging | Internal memory with PC download capability |
| Warm-up Time | < 60 seconds |
Why Engineers Specify This Model
- Japanese Precision Manufacturing – RIKEN KEIKI has over 75 years of gas detection expertise; the GD-70D reflects that heritage in sensor accuracy and build quality.
- IP67 Ruggedized Housing – Survives water immersion and heavy dust ingress, ideal for outdoor and wet-process environments.
- Multi-Gas Capability – Simultaneous monitoring of up to 4 gases reduces the need for multiple instruments on a single worker.
- Long Battery Life – Full-shift operation (12+ hours) without recharging, minimizing downtime.
- Vibration Alarm – Critical for noisy plant environments where audible alarms may be masked.
- Data Logging & Compliance Reporting – Onboard memory supports regulatory audit trails and incident investigation.
- Compact & Clip-Mountable – Ergonomic design for belt or lapel attachment; minimal interference with PPE.
Complete System Bill of Materials
For a fully operational GD-70D gas detection system, engineers typically specify:
- RIKEN KEIKI GD-70D Main Unit (this listing)
- Replacement sensor cartridges (O₂, CO, H₂S, LEL – specify gas type at order)
- GD-70D Charging cradle / docking station
- PC data download cable & software (GW-Viewer or equivalent)
- Calibration gas cylinder (span gas, appropriate concentration)
- Demand-flow regulator for calibration
- Carrying case / transport pouch
- Replacement filter caps and O-rings (annual maintenance kit)
Compliance & Industry Standards
- ATEX Directive 2014/34/EU – Approved for use in explosive atmospheres (Zone 1/2)
- IECEx – International certification for hazardous area equipment
- JIS T 8201 – Japanese Industrial Standard for portable gas detectors
- OSHA 29 CFR 1910.146 – Confined Space Entry compliance support
- EN 60079 Series – Explosive atmospheres equipment standard
- RoHS Compliant – Restriction of hazardous substances in electronics
Quality Assurance & Sourcing
Konmask.com sources RIKEN KEIKI instruments exclusively through authorized distribution channels. Every GD-70D unit supplied by Konmask:
- Ships with original manufacturer documentation and calibration certificate
- Is inspected for physical integrity and sensor functionality prior to dispatch
- Carries the full RIKEN KEIKI factory warranty
- Is traceable to batch and serial number for compliance records
- Can be accompanied by a Certificate of Conformity (CoC) upon request
How to Source This Part
To place an order or request a quotation for the RIKEN KEIKI GD-70D:
- Online: Add to cart directly on this page for standard stock units.
- Bulk / Project Orders: Contact support@konmask.com for volume pricing and lead-time confirmation.
- Phone / WhatsApp: +0086 19859288691 (Mon–Fri, 09:00–18:00 CST)
- Specify at order: Target gas(es), required certification (ATEX/IECEx/JIS), and region of use to ensure correct sensor configuration.
- Lead Time: Standard stock ships within 3–5 business days; special configurations 2–4 weeks.
Application-Specific FAQ
Q: Can the GD-70D detect multiple gases simultaneously?
A: Yes. The GD-70D platform supports up to 4 simultaneous gas channels. Specify your target gases (e.g., O₂ + CO + H₂S + LEL) at the time of order.
Q: Is the GD-70D suitable for confined space entry per OSHA 1910.146?
A: Yes. It monitors the four key parameters required for permit-required confined space entry: oxygen, combustible gas, CO, and H₂S.
Q: How often does the GD-70D require calibration?
A: RIKEN KEIKI recommends bump testing before each use and full calibration every 6 months, or per your site safety management plan.
Q: What is the sensor replacement interval?
A: Electrochemical sensors (O₂, CO, H₂S) typically last 2 years; catalytic bead LEL sensors 3–4 years under normal conditions. Konmask supplies all replacement sensor cartridges.
Q: Can data logs be exported for regulatory reporting?
A: Yes. The GD-70D stores event and exposure logs downloadable via USB to RIKEN KEIKI’s PC software for OSHA/HSE compliance documentation.
Q: Is this unit available with ATEX certification for European hazardous areas?
A: Yes. Please specify ATEX/IECEx requirement at order. Konmask will confirm the applicable Ex marking and documentation.
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Contact: support@konmask.com | +0086 19859288691
