Greisinger GMH 5690 - Waterproof Air Oxygen Meter Without Sensor

HIGHLIGHTS:

• high display resolution (0.01% O ₂ concentration)
• waterproof and robust (silicone protective cover)
• large dual display with backlight
• Multi-point calibration for precision measurements
• Ambient pressure compensation with integrated barometer
• alarm function

APPLICATIONS:

Inert gas measurements at

• welding and soldering
• in food technology / packaging technology (MAP, see also the ResOx 5695 set)
• for food storage, semiconductor components, etc.
• Diving gas testing: checking the oxygen concentration of nitrox, trimix or similar gas mixtures

Note:
Not suitable for use in "underwater applications" (rebreathers etc.)

TECHNICAL SPECIFICATIONS:

Measuring channels:
O ₂ , T, air pressure (integrated) 
Measuring ranges
O ₂ concentration:
0.0 ... 100.0 % O ₂ vol. or
0.00 ... 100.00 % O ₂ vol. (resolution selectable via menu )
O ₂ partial pressure:
0 ... 1100 hPa O2 / 0 ... 825 mmHg O ₂ ,
0.0 ... 1100.0 hPa O ₂ / 0.0 ... 825.0 mmHg O ₂ (resolution via Menu selectable)
Temperature:
-5.0 ... +50.0 °C
Air pressure:
10 ... 1200 hPa abs 
Accuracy (device at nominal temperature = 25 °C)
O ₂ concentration:
±0.1% ± 1 digit
Temperature:
±0.1 °C ± 1 digit
Air pressure:
±3 hPa or 0.1% of MW (higher applicable)
Scope of delivery:
Hand-held measuring device including batteries (2xAAA), protective silicone cover, operating instructions, quick start guide