AIR OXYGEN MEASURING DEVICE ECO410T-35, With sensor and T-valve

The ECO 410 / 410T deliberately focuses on the essential functions of measurement technology for reliable measurement of the O2 concentration in gases. The sensors used, GOEL 370 and GOEL 381, which are especially suitable for wet environments, are essential for reliability and durability.

The devices also impress with their ergonomics, water protection and display backlight.

This makes the ECO 410 / 410T an inexpensive and precise immersion gas detector, but it is also an inexpensive yet high-quality entry-level device for many other oxygen measurements - for example inert gas measurements.

Technical Specifications & Hardware

• O₂ Measurement Range: 0.0–100.0 vol % O₂; optimal precision in 0.2–35 vol % range using GOEL 370 sensor 

• Accuracy: ±0.2 to ±0.35 vol % under 35 % O₂ (with GOEL 370); precision beyond 35 % is unspecified 

• Resolution: 0.1 vol % 

• Sensor: GOEL 370, user-replaceable, cable ~0.95 m with protective sleeve; lifespan ~2 years at ambient O₂

• Sampling Rate: ~1 measurement per second 

• MOD Function (ECO 410T Variant): Calculates maximum operating depth for nitrox up to 36 % O₂ 

• Display: Three-line backlit LCD, overhead view option, battery-level indication, hold/min/max functions 

• Battery: 2×AA, >3000 h life (without backlight); auto power-off feature with configurable settings 

• Housing & Environment: Durable ABS, IP65/67 for device and IP54 for sensor, operable at –20 to 50 °C; sensor best at 0–45 °C (5–30 °C optimal); tolerates humidity up to 95 % RH 

• Size & Weight: 108×54×28 mm (excluding sensor cable), ~175 g including batteries & sensor 

 Connectivity & Accessories

• Sensor Connection: 0.95 m PVC cable with standard 3.5 mm jack, flexible protective sleeve 

• Process (Gas Inlet): M16×1 threaded inlet, typical for cylinder adapters Included “Set” Kit Accessories (common in ECO 410T‑35 packages): ESA 369 flow diverter, ZOT 369 T‑piece adapter, manual, and batteries

 Practical Usage & Features

• Calibration: Must be calibrated in ambient air (~20.9 % O₂) for accuracy 

• Cylinder Measurement: Attach sensor + T‑piece to cylinder valve; press-to-hold readings and view MOD (T‑model only)

• Replaceable Sensor: Easily swapped without tools—minimizes downtime 

• Versatility: Used for diving, industrial protective gases, lab analysis, environmental monitoring, and medical gas checks

Summary Table

Ideal For:

• Recreational and technical divers verifying Nitrox mixtures

• Pre-dive cylinder safety checks

• Industrial use: protective gas, welding, packaging
  

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