"> Riken Keiki Riken GD-70D+ H2S
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Riken Keiki

Riken GD-70D+ H2S

Riken Keiki Riken GD-70D+ H2S — Gas Detection. It is normally installed in the protected space, on the person, or at a fixed detector point according to the listed system. Its primary purpose is to detect hazardous gas, oxygen condition, smoke, heat or another safety-related atmosphere or fire indication. Fixed, portable, open-path, smoke and heat detectors use different sensing principles, so calibration and testing must match the actual sensor type. The model designation identifies the listed configuration, but no additional meaning is inferred from the model code beyond the information supplied in the source record. For exact ratings, dimensions, settings, capacities, materials and variant-specific limits, refer to the manufacturer documentation for the exact figure.

Components & Design

Component data being added…

Technical Data

target gas H2S

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Common failures & inspection points

Sensor ageing, poisoning, contamination or dirt causes drift, slow response, false alarms or failed tests
Power, battery, wiring or communication faults cause device-failure alarms or loss of indication
Water ingress, corrosion or impact damage causes intermittent operation or failed controls
Blocked sampling paths or obstructed detector exposure delays response or prevents correct detection
Incorrect calibration, configuration or detector type causes misleading readings or nuisance alarms

Service & Maintenance

Inspect sensors, sample paths or detector openings, wiring, power, mounting and alarm interfaces. Perform bump tests, functional tests or calibration using the approved method for the device type. Review alarm history and confirm remote indications. Refer to the manufacturer documentation for the exact figure for calibration and alarm criteria.

Suppliers & Spare Parts

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Replacement Parts

Carry detector heads or sensor cartridges, filters, sampling parts, batteries or chargers, fuses, calibration accessories and approved test consumables.
Equipment Model #130690 · ✓ still in production