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HD3409.2 Concentration (in mg/l) of dissolved Oxygen in liquids, the saturation index (in %) and the temperature meter.
The HD3409.2 measures the concentration (in mg/l) of dissolved Oxygen in liquids, the saturation index (in %) and the temperature using SICRAM combined probes of polarographic type with two or three electrodes and integrated temperature sensor.
Temperature is measured by Pt100-SICRAM or direct 4 wire-immersion, penetration or contact probes.

HD3409.2 dissolved oxygen meter

Model  Description 
HD 3409.2  Dissolved Oxygen concentration meter.

Thanks to an internal pressure sensor, the instruments automatically compensate for barometric pressure.
The instrument anticipates automatic compensation of the Oxygen probe membrane permeability and of the salinity of the liquid being examined. The dissolved Oxygen probes quick calibration function guarantees timely correctness of the performed measurements.

HD3409.2 Dissolved oxygen meter specifications
Measurement of the concentration of dissolved Oxygen
Measurement range 0.00 - 90.00mg/l
Resolution 0.01mg/l
Accuracy ±0.03mg/l ±1digit
60...110%, 1013mbar, 20...25°C)
Measurement of the saturation index of dissolved Oxygen
Measurement range 0.0 - 600.0%
Resolution 0.1%
Accuracy ±0.3% ±1digit (in the range .0 - 199.9%)
±1% ±1digit (in the range 00.0 - 600.0%)
Automatic/manual temperature compensation
  0 - 50°C
Measurement of barometric pressure
Measurement range 0.0 - 1100.0mbar
Resolution 0.1mbar
Accuracy ±2mbar ±1digit between 18 and 25°C
±(2mbar+0.1mbar/°C)in the remaining range
Salinity setting
Setting range 0.0 - 70.0g/l
Resolution 0.1g/l
Temperature measurement with the sensor inside the dissolved Oxygen probe
Measurement range 0.0 - +45.0°C
Resolution 0.1°C
Accuracy ±0.1°C
Drift after 1 year 0.1°C/year
Temperature measurement by Instrument with Pt100 probe
Pt100 Measurement range -200 - +650°C
Resolution 0.1°C
Accuracy ±0.1°C
Drift after 1 year 0.1°C/year

Ordering codes
HD 3409.2 Bench-top Oxymeter-Thermometer measures dissolved oxygen, saturation index by polarographic
type combined probes, temperature by Pt100 probes with SICRAM module.
Data logger which stores maximum, minimum, average value. RS232 C serial output or USB 2.0 for data
download to a PC or printer from memory or in real time. Functions: REL, HOLD, auto power off which can be
disabled., protection degree IP 66. Battery power supply or mains power supply by SWD10 (optional).
Complete with 3 batteries, instructions manual, calibrator DO9709/20, software Deltalog 9 suitable from
version 2. Oxygen probes, zero and reference solutions, TP47 series temperature probes with SICRAM
module, cables for PC connection and outer power supplier have to be ordered separately.