HANNA HI83099-02 COD and multiparameter bench meter

Light Source : tungsten lamps with narrow-band interference filters
Light Detection: silicon photocell
Power Supply: external 12 VDC power adapter or built-in rechargeable battery
Auto-off: after 10 min of non-use in measuring mode; after 1 hour of non-use in calibration mode with last reading reminder
Environment: 0 to 50°C (32 to 122°F); max 90% RH non-condensing
Dimensions: 235 x 200 x 110 mm (9.2 x 7.87 x 4.33)
Weight : 0.9 Kg (2 lbs.)
Include: HI 83099-02 (230V) is supplied with glass cuvettes (3), cell protective cap, batteries, 12 VDC adapter and instructions.

Manual